Se desexas distinguir vos teus produtos, servizos ou ambos os dous doutra empresa, é posible que necesites unha marca ou nome comercial. Descobre que son, en que consiste ou seu procedemento de rexistro e que implica.
Información sobre los plazos de presentación de solicitudes de transformación de marcas de la Unión Europea en marca nacional española. Más información
Se tes un novo dispositivo, produto ou procedemento que resolva un problema técnico ou teña unha vantaxe práctica, existen distintas formas de protexelo en España e noutros países. Descobre como facelo.
A túa innovación reside na estética, a ornamentación ou a aparencia do teu produto? Protéxea mediante un deseño industrial. Descobre que dereitos confire ou rexistro e como realizar a tramitación.
As patentes publicadas en todo ou mundo son unha valiosa fonte de información científica, técnica e comercial.
El Bono 3 del Fondo para PYMEs 2025, que cubre la elaboración de Informes Tecnológicos de Patentes (ITP) y Búsquedas Retrospectivas se cerrará el lunes 10 de febrero de 2025 al cierre de la jornada laboral. Próximamente se informará sobre su reapertura. Puede consultar más información aquí.
Ése emprendedor/a ou unha empresa e queres potenciar e mellorar a rendibilidade do teu negocio protexendo de forma adecuada vos activos intangibles dá túa organización, neste espazo atoparás ou necesario.
1238
resultados
Última actualización
22/07/2025 [07:13:00]
Resumen de: DE102024200381A1
Die Erfindung betrifft ein Verfahren zur Fertigung eines Lithium-Ionen-Akkumulators (2), welcher zumindest eine Akkumulator-Zelle (4) aufweist mit einer Zelleinhausung (24), in der eine Elektrode (10) eines ersten Typs angeordnet ist, wobei zur Herstellung der Elektrode (10) des ersten Typs eine Lithium aufweisende Passivierungsbeschichtung (16) ausgebildet wird, wobei die Elektrode (10) des ersten Typs im Zuge einer Zellassemblierung in die Zelleinhausung (24) eingebracht wird und wobei die zumindest eine Akkumulator-Zelle (4) einem Formations-Prozess unterzogen wird, bei dem die Passivierungsbeschichtung (16) nachbehandelt wird, indem Metall-Ionen (30) eines Metalls mit größerem Atomdurchmesser als Lithium in die Passivierungsbeschichtung (16) getrieben werden.
Resumen de: DE102024105549A1
Eine Akkumulatoranordnung definiert eine vertikale Achse und eine Längsachse und umfasst eine erste Elektrode, die eine Lasche an einem ersten Ende davon in einer ersten Richtung entlang der Längsachse, eine zweite Elektrode in einer mit der ersten Elektrode gestapelten Auslegung entlang der vertikalen Achse und einen Separator, der wenigstens ein zweites Ende der ersten Elektrode in einer zweiten Richtung entlang der Längsachse abdeckt, umfasst.
Resumen de: DE102024200298A1
Die Erfindung betrifft ein Modulares Batteriesystem, umfassend ein Batteriemodul, in welchem mindestens zwei Batterieschnittstellen ausgebildet sind, wobei jede Batterieschnittstelle eingerichtet ist zur elektrischen und mechanischen Verbindung mit einem Wechselakkupack, wobei das Batteriemodul pro Batterieschnittstelle jeweils einen Gleichspannungswandler aufweist, wobei das Batteriemodul eine Stromschiene aufweist, die mit jedem Gleichspannungswandler elektrisch verbunden ist, und wobei das Batteriemodul mindestens einen elektrischen Anschluss aufweist, der mit der Stromschiene elektrisch verbunden ist, und der eingerichtet ist zur Verbindung mit einem Verbraucher und einer Ladevorrichtung, und wobei sämtliche Gleichspannungswandler eingerichtet sind, um separat voneinander jeweils einen elektrischen Strom der entsprechenden Batterieschnittstelle zu regeln.
Resumen de: DE102024100910A1
Die Erfindung betrifft eine Vorrichtung zur Herstellung einer Elektrode für eine Batteriezelle, wobei die Elektrode einen Stromableiter aufweist, der beidseitig mit einer Beschichtung aus einem Materialgemisch aus einem Aktivmaterial und einem Bindemittel beschichtet ist, wobei der Stromableiter einen unbeschichteten Bereich aufweist, wobei die Vor-richtung aufweist: (i) eine erste Verdichtungs-Einrichtung, durch welche die Elektrode in einer Beförderungsrichtung hindurchgeführt und dabei verdichtet werden kann, (ii) eine Heizeinrichtung zur Bestrahlung der Elektrode mit thermischer Energie, wobei die Heizeinrichtung in Bezug auf die Beförderungsrichtung vor oder nach der ersten Verdichtungs-Einrichtung angeordnet ist, (iii) wobei die Heizeinrichtung ein erstes Teilelement ein zweites Teilelement aufweist, wobei das erste Teilelement mit einem ersten Abstand zu einer der Beschichtungen angeordnet ist, und das zweite Teilelement mit einem zweiten Abstand zu dem unbeschichteten Bereich des Stromableiters angeordnet ist; (iv) wobei der erste Abstand und der zweite Abstand im Wesentlichen gleich sind.
Resumen de: DE102024200342A1
Es wird ein Verfahren zum Heizen einer Komponente eines Elektrofahrzeugs mittels eines indirekten Wärmetransportmittelkreis(lauf)systems vorgeschlagen.Indem kaskadiert geprüft wird, ob einer von mehreren Betriebsmodi des Wärmetransportmittelkreis(lauf)systems möglich ist und dabei ausreicht, um die betreffende Komponente - wie gewünscht und dabei - energieeffizient aufheizen zu können, wird ein Minimum an Energie verbraucht bzw. aufgebracht.Zudem werden eine Pumpen-Ventil-Verteil(er)einheit, ein Wärmetransportmittelkreis(lauf)system, ein Elektrofahrzeug, ein Computerprogramm und ein Computerprogrammprodukt vorgeschlagen.
Resumen de: DE102024105942A1
Ein wiederaufladbares Energiespeichersystem enthält ein Gehäuse, das eine Wanne und eine Seitenwandstruktur enthält. Mehrere Trägeranordnungen verlaufen parallel über das Gehäuse, wobei die mehreren Trägeranordnungen jeweils eine untere Abdeckung enthalten, die eine Grundplatte und ein Paar paralleler Rippen, das von der Grundplatte vorsteht, besitzt. Eine Kühlmitteldurchlass-Platte ist zwischen einem Paar gewellter Platten eingebettet, wobei ein erstes Ende zwischen dem Paar paralleler Rippen der unteren Abdeckung angeordnet ist. Die Kühlmitteldurchlass-Platte ist mit einer Kühlmittelquelle verbunden. Es sind mehrere Batteriezellen in dem Gehäuse angeordnet und mit den gewellten Platten benachbarter Trägeranordnungen in Kontakt.
Resumen de: DE102024105551A1
Ein System zur Überwachung der Qualität des Elektrolyten für eine Akkumulatorzelle umfasst ein Reservoir, das dazu ausgelegt ist, einen Elektrolyten aufzunehmen, einen kapazitiven Sensor, der in dem Reservoir angeordnet ist, und ein Steuermodul, das mit dem kapazitiven Sensor in Verbindung steht. Der kapazitive Sensor ist dazu ausgelegt, die Kapazität des Elektrolyten zu erfassen, wenn er in dem Reservoir aufgenommen ist. Das Steuermodul ist dazu ausgelegt, ein Signal von dem kapazitiven Sensor zu empfangen, das die Kapazität des Elektrolyten anzeigt, und auf der Grundlage der Kapazität des Elektrolyten und eines definierten Schwellenwerts zu ermitteln, ob der aufgenommene Elektrolyt verunreinigt ist. Weitere beispielhafte Systeme und Verfahren zur Überwachung der Qualität des Elektrolyten für Akkumulatorzellen sind ebenfalls offenbart.
Resumen de: DE102024200406A1
Es wird ein Kühlsystem (1) für ein Elektrofahrzeug bereitgestellt, wobei das Fahrzeug eine Antriebseinheit, einen Fahrgastraum und einen Energiespeicher (4) aufweist, umfassend: einen ersten Kühlkreislauf (10), welcher dazu ausgestaltet ist, Wärme mit der Antriebseinheit auszutauschen, einen zweiten Kühlkreislauf (20), welcher dazu ausgestaltet ist, Wärme mit dem Fahrgastraum auszutauschen, einen dritten Kühlkreislauf (30), der dazu ausgestaltet ist, Wärme mit dem Energiespeicher (4) auszutauschen, und wobei der dritte Kühlkreislauf (30) unabhängig von dem ersten Kühlkreislauf (10) und dem zweiten Kühlkreislauf (20) ist. Ferner wird ein Elektrofahrzeug und ein Verfahren zum Kühlen von Komponenten eines Elektrofahrzeugs bereitgestellt.
Resumen de: DE102024109668A1
Eine Elektrolytzusammensetzung für eine Batterie enthält ein Lithiumsalz, das in einem organischen Lösungsmittel gelöst ist, und 0,01 bis weniger als 1 Gew.-% Lithium-4,5-dicyano-2-(trifluormethyl)imidazolid, Lithium-4,5-dicyano-2-(pentafluorethyl)imidazolid, Lithium-4,5-dicyano-2-(n-heptafluorpropyl)imidazolid oder eine Kombination davon, bezogen auf das Gesamtgewicht der Elektrolytzusammensetzung.
Resumen de: DE102025100379A1
Bei Betrachtung eines Querschnitts eines Elektroden-Aktivmaterials dieser Offenbarung sind die Beziehungen 2,30 ≤ A2 / A1 ≤ 44,00 und 0,50 ≤ A3 / A1 ≤ 1,90 erfüllt. Dabei ist A1 ein Flächenverhältnis einer O2-Typ-Struktur im Querschnitt; A2 ist ein Flächenverhältnis einer O2-Typ-Struktur im Querschnitt; und A3 ist ein Flächenverhältnis einer T#2-Typ-Struktur im Querschnitt.
Resumen de: WO2025149237A1
The invention relates to a device (1) for controlling the temperature of a predefined number of electronic and/or electrical components (7), which device comprises: a support (37) configured to carry the predefined number of components; at least one compartment configured to receive at least one component and delimited at least by a housing bottom; and a dielectric fluid circuit comprising at least one collection channel (11) formed in the housing bottom, the support (37) being provided with at least one elongate collection port (16), associated with the at least one compartment and opening into the at least one dielectric fluid collection channel (11), the support comprising at least one element (18) for disrupting the flow of the dielectric fluid, extending from a border (16a, 16b) that defines the at least one collection port (16) and projecting from the support (37).
Resumen de: WO2025149238A1
The invention relates to a temperature control device (1) for controlling the temperature of a predefined number of components (7), the device including a housing which comprises at least one compartment (4) for receiving at least one component (7) and is delimited at least by a housing bottom (35), and a dielectric fluid circuit which comprises at least one dielectric fluid circulation channel opening onto the at least one compartment (4), so as to spray and/or at least partially submerge the at least one component (7) received in the compartment (4). The housing bottom (35) includes at least one discharge opening (15) associated with the at least one compartment (4) so as to allow discharge by gravity, the discharge opening (15) being removably closed by a plug (17).
Resumen de: WO2025149551A1
The invention shows a bracket for wall-mounting at least one module, preferably a battery module or a battery management module, having at least two connecting structures configured to insert and hold at least one module by means of a module-side connecting element. The at least two connecting structures are configured for guided movement between three respective positions. The three positions are a receiving position in which the module-side connecting element can be inserted through the connecting structure, an operating position configured to hold a module in a position enabling operation of the module, and a maintenance position configured to hold a module in a position. The receiving position is arranged between the operating position and the maintenance position, and the bracket further has latching structures corresponding to the upper of the operating position and the maintenance position and configured for use with a latching means.
Resumen de: WO2025149207A1
The present invention relates to the technical field of safety protection of commercial lithium-ion batteries, and in particular, to a battery thermal protection system and application thereof. The battery thermal protection system consists of multifunctional coatings coated on a surface of an aluminum housing of each cell of a commercial lithium-ion battery and a fluid between cells in a module. The multifunctional coatings are one or a combination of an organic coating, an inorganic coating, and an organic-inorganic hybrid coating, and the number of layers of the multifunctional coatings is 1-10. Damage of thermal runaway of a single cell to adjacent cells and a whole battery set can be greatly reduced, and propagation of the thermal runaway is blocked.
Resumen de: WO2025149580A1
The invention relates to a device (9) for applying pressure for an electric battery comprising an electrochemical cell (2), the device (9) comprising a first compression plate (11) and a second compression plate (13), the first and second plates (11, 13) being suitable for being inserted such that they frame the electrochemical cell (2), characterised in that the device comprises at least one assembly (15) comprising: - a first notched element (16); - a second notched element (23) that can be moved in translation in its longitudinal direction, the first and second elements (16, 23) being jointly arranged such that the second element (23) is held together with the first element (16); and - a spring (33) oriented axially in the longitudinal direction of the notched elements, the at least one assembly (15) being capable of being installed such that the spring (33) is capable of bearing between the second notched element (23) and the first or second plate (11, 13), and the spring (33) being dimensioned to manage the variations in the volume of the cell (2) during a charging and discharging cycle, and to cause the second notched element (23) to engage by one step with the first notched element (16) after a predetermined number of cycles.
Resumen de: WO2025149579A1
The invention relates to an electrical energy storage device, in particular for electrically powering a motor vehicle, the device comprising at least two electrical energy storage cells (2) and at least one so-called internal electrical connector (8) electrically connecting the cells (2) in pairs so as to form a sequence (10) of cells (2), the device further comprising a protective casing (12), the sequence (10) of cells (2) and the one or more internal connectors (8) being arranged inside the casing (12), the casing being capable of being folded so as to allow the cells (2) to be stacked in a stacking direction, characterised in that the device further comprises at least one measuring contactor (16) for reading an electrical voltage between two consecutive cells (2) of the sequence (10) of cells, the contactor (16) passing through the protective casing (12).
Resumen de: WO2025149809A1
The invention relates to a battery carrier die-cast part for at least partly delimiting a receiving chamber (4) for at least one battery cell and/or at least one battery module which is used as a drive energy storage device for an electrically powered vehicle, wherein the battery carrier die-cast part (2) has at least one portion (8, 10) which extends substantially along the longitudinal axis, and the portion (8, 10) has a substantially closed contour (20). The substantially closed contour (20) comprises a cavity (38), in particular the contour encloses a cavity (38), and the closed contour (20) extends integrally around the cavity (38). The invention likewise relates to a method for producing a battery carrier die-cast part.
Resumen de: WO2025149864A1
A stack for an electrochemical cell is described. The stack has a laminate structure comprising a first gel separator layer and a second gel separator layer, and a first electrode layer between the first and second gel separator layers. The first gel separator layer and second gel separator layer each extend beyond a peripheral edge of the first electrode layer. The first gel separator layer and second gel separator layer are adhered to one another by a heat-seal adjacent to opposing edges of the first electrode layer. Electrochemical secondary cells and energy storage devices containing the stack are also described, as are methods of manufacturing the stack.
Resumen de: US2025233153A1
A composite positive electrode material and a preparation method thereof, a positive electrode plate, a battery, and an electrical device. The composite positive electrode material includes a composite formed by a positive active material and carbon. In a particle structure of the composite, a mass ratio of a carbon content inside to a carbon content on a surface is (0.8 to 2):1.
Resumen de: US2025233123A1
An anode for a secondary battery according to exemplary embodiments of the present disclosure includes: an anode current collector; a first anode active material layer which is disposed on at least one surface of the anode current collector and includes natural graphite and artificial graphite; and a second anode active material layer which is disposed on the first anode active material layer and includes a silicon-based active material, a graphite-based active material and carbon nanotubes. Accordingly, a lithium secondary battery having improved rapid charge/discharge cycle lifespan characteristics may be implemented.
Resumen de: WO2025149043A1
The present invention belongs to the technical field of liquid cooling. Disclosed is a liquid-cooling quick-release connector, comprising a female head assembly and a male head assembly. A first pipe is arranged in the female head assembly, a first tongue rod being disposed in the first pipe, a first protruding ring being disposed on the first tongue rod, and a flow guide part being formed between the first protruding ring and an inner side wall of the first pipe. A first flow limiting assembly is sleeved on the first tongue rod, the first flow limiting assembly being connected to a first elastic piece, and the first elastic piece being used for pushing the first flow limiting assembly to block the flow guide part. The male head assembly is provided with an insertion part, the insertion part being inserted into the first pipe, and able to push the first flow limiting assembly to move in a direction away from the flow guide part. By means of an interaction effect between the male head assembly and the female head assembly, rapid connection and disconnection of liquid can be achieved, thereby facilitating rapid replacement and maintenance of a liquid-cooling system. Moreover, the automatic closing mechanism in the female head assembly immediately starts, thus effectively reducing liquid leakage, and improving overall operation safety.
Resumen de: WO2025148962A1
The present application discloses an insulating member, a tab assembly, a battery cell, a battery, and an electric device. The insulating member is configured to be connected to a tab, and comprises a first base layer, a first packaging layer, and a second packaging layer, wherein the first base layer is located between the first packaging layer and the second packaging layer, and the melting point A of the first base layer satisfies A≥185°C. When the temperature rises significantly, the insulating member is melted, and thus the tab comes into contact with a metal layer of an electrode assembly or a battery cell casing, resulting in a short circuit. The first base layer having a relatively high melting point is provided, thereby reducing the risk of a short circuit caused by the melting of the first base layer.
Resumen de: WO2025148988A1
The present application relates to the technical field of energy storage, and in particular to a cell and a secondary battery. The cell comprises a first electrode sheet, a second electrode sheet, a separator, and a first insulating member; the polarity of the second electrode sheet is opposite to that of the first electrode sheet; the separator is arranged between the first electrode sheet and the second electrode sheet; and the first electrode sheet, the separator and the second electrode sheet are wound in a winding direction to form an electrode assembly. In the winding direction, the first electrode sheet comprises a first winding start section located on a first layer of the innermost circle of the electrode assembly; and the first winding start section has a first winding start end. The first insulating member is arranged on two surfaces of a part of the first winding start section and extends beyond the first winding start end in a first direction; the portion extending beyond the first winding start end is a first part of the first insulating member; and the first direction is the length direction of the first electrode sheet. The first part can shield burrs of the first electrode sheet at the first winding start end, so as to protect the separator between the first electrode sheet and the second electrode sheet, thereby improving the safety of the cell.
Resumen de: WO2025148042A1
Disclosed in the present invention are a prediction method and apparatus for a crushing particle size of a ternary positive electrode material. The method comprises: for each crushing device, collecting crushing particle size measurement results of the crushing device under different process parameters to form a sample data set, the sample data set comprising the crushing particle size measurement results corresponding to the crushing device under different process parameters; performing preprocessing and standard-compliant data screening on the sample data set; on the basis of different products, selecting corresponding sample data sub-sets from the sample data set for training to obtain crushing particle size prediction models corresponding to different products; and inputting process parameters, obtained on site, of the crushing device into a corresponding crushing particle size prediction model so as to obtain a crushing particle size index prediction result. By using the present invention, crushing particle size prediction models are used to obtain predicted measurement particle sizes corresponding to process parameters of current devices, so that a worker can adjust the process parameters of the devices on the basis of the deviation between the predicted measurement particle sizes and target particle size data.
Resumen de: WO2025147986A1
A wound lithium ion battery positive electrode sheet recycling processing device, comprising an unwinding assembly, a winding assembly, and a pulse assembly. The unwinding assembly is used for controlling the unwinding length of a positive electrode sheet to be processed; the winding assembly is used for collecting a processed positive electrode sheet; in the conveying direction of the positive electrode sheet, a high-voltage pulse region is arranged between the unwinding assembly and the winding assembly; the pulse assembly is arranged in the high-voltage pulse region; the pulse assembly comprises a first electrode plate and a second electrode plate; the first electrode plate and the second electrode plate are spaced from each other in the width direction of the positive electrode sheet; and both the first electrode plate and the second electrode plate can move in the thickness direction perpendicular to the positive electrode sheet, so that the first electrode plate and the second electrode plate selectively abut against the edge of the positive electrode sheet.
Resumen de: WO2025147847A1
A preparation method for a ternary positive electrode material having a coating layer, which method comprises the following steps: S1, mixing a ternary material precursor with a lithium source, pre-sintering same to obtain a pre-sintered material, mixing the pre-sintered material again, and then calcining same, so as to obtain a primary ternary positive electrode material; S2, dissolving an additive T to obtain a solution U, subjecting the primary ternary positive electrode material and the solution U to mixing and washing, and drying same, so as to obtain a secondary ternary positive electrode material; and S3, subjecting the secondary ternary positive electrode material to an atomic layer deposition treatment, so as to obtain a ternary positive electrode material, wherein the additive T is composed of a lithium-containing material and a sodium-containing material, and the stirring Reynolds number during the process of washing is 200-20000. Further disclosed are a ternary positive electrode material prepared according to the method, and a lithium-ion battery.
Resumen de: US2025229619A1
A power storage device is a power storage device provided on a lower surface of a floor panel of a vehicle, the power storage device including: a housing case; a power storage module housed in the housing case; and a cooler housed in the housing case to cool the power storage module, wherein the housing case includes a bottom plate, a refrigerant passage through which a refrigerant flows is formed in a portion of the housing case, the portion being located above the bottom plate, and the refrigerant passage is connected to the cooler.
Resumen de: US2025229603A1
Abstract: The present invention relates to a driving control apparatus of a fluid heater for controlling battery temperature and a control method therefor, and more particularly, to a driving control apparatus for a fluid heater and a control method therefor that are capable of maximizing the allowable voltage range while simultaneously ensuring the stability of the fluid heater in such a way as to satisfy peak current limit, maximum heater heating amount limit, and allowable maximum watt density by adjusting the connection configuration between the power supply and the first and second heating elements based on the voltage value supplied from the power supply unit.
Resumen de: US2025229303A1
The sealing tool cleaning device according to one example includes a laser generation part generating a carbon dioxide laser; a cleaning head part provided to enter a separation space between the pair of sealing tools, and including a head case having first and second openings opened toward the pair of sealing tools, respectively, and a head mirror part rotatably installed within the head case and provided to reflect the carbon dioxide laser toward the first opening or the second opening; and a laser transmission part provided to transmit the carbon dioxide laser generated by the laser generation part to the cleaning head part.
Resumen de: US2025229289A1
A coating device includes: a first die head and a second die head connected with each other, wherein a flow channel is formed between the first die head and the second die head, and the flow channel includes a material inlet and a material outlet; and an adjusting member, wherein at least part of the adjusting member is detachably arranged in the flow channel, the adjusting member is used to adjust a size of a material along a width direction when the material is discharged from the material outlet, and the width direction is perpendicular to a stacking direction of the first die head and the second die head, and perpendicular to a direction from the material inlet to the material outlet.
Resumen de: US2025229406A1
An interface for a battery pack and an electrical combination. The interface may include a battery-receiving portion configured to receive a battery pack and including a cavity. The cavity is defined by a pair of sidewalls with rails defining a groove between the rails and a lower surface of the cavity. The rails are stepped or angled along a battery insertion axis and are configured to guide the sliding engagement of a battery pack within the battery-receiving portion.
Resumen de: US2025229018A1
A drug infusion device with integrated power supply includes a drug reservoir, used for accommodating the drug to be infused, provided with a piston and a screw; a driving wheel, connected with the screw, driving the screw to push the piston forward by rotation; a power supply, used to supply power to the infusion device, including a power supply shell, a power supply cell, electrolyte and a cover plate; and a case, including an upper case and a lower case, for accommodating the drug reservoir, the drive wheel and the power supply. The power supply shell is integrated with the lower and/or the cover plate is integrated with the upper case.
Resumen de: US2025233213A1
A solid-state battery includes a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer, in this order, in which: the positive electrode active material layer and the solid electrolyte layer contain moisture; and (i) the moisture amount of the positive electrode active material layer is 100 ppm to 350 ppm, and the moisture amount of the solid electrolyte layer is 1500 ppm to 2000 ppm, and/or (ii) the hydroxyl group standard value of the positive electrode active material layer is 0.63 to 0.71, and the hydroxyl group standard value of the solid electrolyte layer is 0.87 to 1.04.
Resumen de: US2025233154A1
In a lithium-ion battery, the lithium ion migration kinetic coefficient Fc of the positive electrode coating and the lithium ion migration kinetic coefficient Fa of the negative electrode coating satisfy: 0.25≤Fc/Fa≤5; Fc=2 (Dvc50+5Mc)+PDc/4Pc, Fa=Dva50+Ma+PDa/2Pa, Dvc50 is an average particle size of a positive active material in the positive electrode coating; Mc is an internal resistance of the positive electrode plate; PDc is a compaction density of the positive electrode coating; Pc is a porosity of the positive electrode coating; Dva50 is an average particle size of a negative active material in the negative electrode coating; Ma is an internal resistance of the negative electrode plate; PDa is a compaction density of the negative electrode coating; Pa is a porosity of the negative electrode coating. The rates of lithium ion deintercalation from the positive electrode coating and lithium ion intercalation into the negative electrode coating are balanced, thereby ensuring charging capacity.
Resumen de: US2025233124A1
Provided is a lithium secondary battery including a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material comprising lithium iron phosphate particles, and the positive electrode has a loading amount of 450 mg/25 cm2 to 740 mg/25 cm2, and the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, wherein the organic solvent includes ethylene carbonate, and dimethyl carbonate, and the dimethyl carbonate is included in 5 vol % to 75 vol % in the organic solvent, and the additive contains vinylene carbonate, and the weight ratio of the vinylene carbonate to the dimethyl carbonate is greater than 0 to 0.2 or less.
Resumen de: US2025233120A1
A method for manufacturing a cathode electrode for a battery cell includes mixing a cathode active material, a conductive filler, a binder, a solvent, and a cathode electrolyte interface (CEI)-enhancing additive to form a slurry mixture; and casting the slurry mixture onto a cathode current collector to form a cathode active material layer of a cathode electrode.
Resumen de: US2025233131A1
The present invention relates to a silicon-carbon composite, a preparation method therefor, and an anode active material comprising same. The silicon-carbon composite includes silicon particles, silicon oxides, magnesium compounds, and carbon. As a molar ratio (O/Si) of oxygen (O) atoms to silicon (Si) atoms in the silicon-carbon composite satisfies 0.01 to 0.60, when the silicon-carbon composite is applied to an anode active material, the discharge capacity, initial efficiency, and capacity retention ratio after cycles of a lithium secondary battery may be simultaneously improved.
Resumen de: WO2025148992A1
Provided in the present application is a battery assembly, comprising: a battery cell, which is provided with a first end and a second end arranged opposite each other, and comprises a positive electrode located at the first end and a negative electrode located at the second end; a negative electrode adapter, which is electrically connected to the negative electrode of the battery cell and extends from the second end to the first end; a positive output terminal and a negative output terminal, which are both located at the first end of the battery cell, wherein the positive output terminal is electrically connected to the positive electrode of the battery cell, the negative output terminal is electrically connected to the negative electrode adapter, and the negative output terminal at least partially surrounds the periphery of the positive output terminal; and a first fixing member, which is arranged at the first end, wherein the positive output terminal and the negative output terminal are held spaced apart from each other on the first fixing member, and the positive output terminal and the negative output terminal are both at least partially exposed to an outer surface of the first fixing member, such that the battery assembly and a housing of an aerosol-generating device can be assembled and disassembled conveniently.
Resumen de: WO2025148963A1
The present application discloses an insulating member, a tab assembly, a battery cell, a battery, and an electrical device. The insulating member comprises a first insulating member and a second insulating member; the first insulating member and the second insulating member are configured to be connected to the two sides of a tab in the thickness direction; the first insulating member comprises a first substrate layer, and the melting point of the first substrate layer is higher than the melting point of the second insulating member. The first insulating member and the second insulating member are arranged on the two sides of the tab, and the melting point of the first substrate layer is higher than the melting point of the second insulating member, so that when the temperature rise of the tab intensifies, the risk of a short circuit caused by the melting of the first substrate layer leading to exposure of the tab on the side where the first substrate layer is located, thermal damage to a separator of the battery cell and contact of the tab with an adjacent electrode sheet, can be reduced; additionally, the risk of a short circuit occurring between adjacent first and second electrode sheets can also be reduced.
Resumen de: WO2025148889A1
An electrode sheet, a battery cell, and an electrical device. The electrode sheet comprises a current collector (300), two active substance layers, and two transition layers. The current collector (300) comprises a support layer (10), and a first conductive layer (11) and a second conductive layer (12) that are arranged on the two sides of the support layer (10) in a first direction. One active substance layer (102) is arranged on the side of the first conductive layer (11) away from the support layer (10), and the other active substance layer (102) is arranged on the side of the second conductive layer (12) away from the support layer. One transition layer (22) is arranged between at least a part of the first conductive layer (11) and the corresponding active substance layer (102) and protrudes out of the active substance layer (102) in a second direction, and the other transition layer (22) is arranged between at least a part of the second conductive layer (12) and the corresponding active substance layer (102) and protrudes out of the active substance layer (102) in the second direction. Each active substance layer (102) comprises active substance particles, and the average particle size of the active substance particles ranges from 5 μm to 20 μm. Each transition layer comprises solid particles, and the average particle size of the solid particles ranges from 500 nm to 1500 nm. The electrode sheet can improve the structural strength.
Resumen de: WO2025147809A1
A polymer and a use thereof. The polymer at least comprises the structural formula shown in Formula 1; in Formula 1, R1 is selected from a substituted or unsubstituted C1-C30 alkyl, and a substituted or unsubstituted C6-C60 aryl; R2 is selected from a substituted or unsubstituted polyether group, a substituted or unsubstituted C1-C30 alkyl, a substituted or unsubstituted C1-C30 alkoxy, and *-b1-S-S-b2-*, b1 and b2 each being independently selected from a substituted or unsubstituted C2-C15 alkyl, and a substituted or unsubstituted C6-C60 aryl; R3 is an ionic liquid group; n≥1, and is an integer. The special molecular structure of the polymer enables it to have excellent room temperature ionic conductivity when applied to a polymer electrolyte.
Resumen de: WO2025147971A1
A metal-ion-doped lithium iron phosphate material, a preparation method therefor, and a use thereof, relating to the technical field of lithium batteries. The metal-ion-doped lithium iron phosphate material comprises a lithium iron phosphate sheet and metal ions loaded on and doped in the lithium iron phosphate sheet, and the lithium iron phosphate sheet has a porous structure. The method comprises: using an organic metal compound as a deposition raw material, and depositing a carbon layer and metal oxide particles on a surface of a porous Fe2O3 sheet precursor to obtain a composite material; and mixing the composite material, a lithium source, and a phosphorus source according to a stoichiometric ratio, and then drying and sintering to obtain an M-LiFePO4 material. The prepared M-LiFePO4 has good uniformity, is not prone to agglomeration, inherits the two-dimensional sheet-like morphology of the precursor material, has a porous structure, has good capability for rapid charging and discharging, and improves the rate performance of a lithium iron phosphate material by means of doping same with metal ions.
Resumen de: WO2025147805A1
The present application provides a polymer and a use thereof. The polymer comprises a first block represented by formula 1 and a second block represented by formula 2, wherein R1 is selected from a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted polyether group, a substituted or unsubstituted C1-C30 alkoxy group, and a substituted or unsubstituted C6-C60 aryl group; R2 is selected from a substituted or unsubstituted polyether group, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C6-C60 aryl group, and *-b1-S-S-b2-*; b1 and b2 are each independently selected from a substituted or unsubstituted C2-C15 alkyl group or a substituted or unsubstituted C6-C60 aryl group; and R3 is an ionic liquid-containing group. The special molecular structure of the polymer enables the polymer to have excellent electrochemical performance and mechanical strength when the polymer is applied to a composite electrolyte.
Resumen de: US2025228839A1
The present invention relates to discloses a pharmaceutical composition of 2,4,6-trifluoro-N-6-(1-methyl-piperidin-4-ylcarbonyl)-pyridin-2-yl-benzamide and a pharmaceutically acceptable carrier.
Resumen de: US2025231252A1
In a method and apparatus for diagnosing voltage abnormality of a battery cell in an eco-friendly vehicle, the method for diagnosing voltage abnormality of a battery cell in an eco-friendly vehicle includes the steps of determining whether a voltage deviation of at least one cell of a plurality of cells forming a battery occurs at or above a first threshold voltage a threshold number of times or more than the threshold number during a one-cycle discharge period of the battery, and concluding that voltage deviation abnormality has occurred in the at least one cell if the voltage deviation of the at least one cell has occurred at or above the first threshold voltage the threshold number of times or more than the threshold number.
Resumen de: US2025231251A1
A battery managing apparatus according to an embodiment of the present disclosure includes a profile acquisition unit configured to acquire a first profile for each of a plurality of batteries included in a battery pack; and a diagnosis unit configured to calculate a target value based on a capacity value for each of the plurality of batteries as a diagnostic factor on a basis of a first target point included in each of a plurality of first profiles, generate a distribution profile indicating a correspondence relationship between a plurality of calculated target values and the number of each of the plurality of target values, determine whether the distribution profile satisfies a predetermined condition, and diagnose a state of the battery pack according to a determination result.
Resumen de: US2025231247A1
A method for abnormality detection in an energy unit includes passively detecting an abnormality in an energy unit by detecting electromagnetic radiation generated by the abnormality, the energy unit comprising at least one of an electrical energy unit and an electrochemical energy unit. A method for detecting an abnormality in an energy unit includes (a) applying a signal to the energy unit, (b) performing a plurality of measurements, at a respective plurality of different locations within the energy unit, of a response of the energy unit to the signal, and (c) processing the plurality of measurements to identify the abnormality.
Resumen de: US2025231246A1
A charge/discharge test system includes: a plurality of charge/discharge test devices configured to perform charging and discharging of charge/discharge targets; a switching circuit capable of switching between combinations of electrical connection between one or more of the charge/discharge test devices and one or more of the charge/discharge targets, and a control unit configured to control the switching circuit to execute switching between the combinations.
Resumen de: US2025231248A1
An object of the present disclosure is to provide a method for accurately estimating battery capacity, and a method for accurately estimating SOC of battery based on the estimated battery capacity determined by such a method for estimating battery capacity. The method of the present disclosure for estimating battery capacity, comprises having a computer execute the following steps: (a) determining a specific internal resistance, in a prescribed provisional SOC of 80% or more and a prescribed temperature, by charging at a prescribed charging speed for a prescribed time; and (b) determining an estimated battery capacity from the specific internal resistance based on a pre-specified first relationship between the specific internal resistance and battery capacity. The method of the present disclosure for estimating battery SOC comprises, after step (b), having a computer execute determining an estimated amount of change in SOC or an estimated SOC after change associated with battery degradation.
Resumen de: US2025233144A1
A manganese-based solid solution positive-electrode material, wherein the manganese-based solid solution positive-electrode material has a layered structure, and a chemical formula of the manganese-based solid solution positive-electrode material is aNa2MnxR1-xO3·(1−a)LiMnyγM1-γO2, where 0.05≤a<1, 0
Resumen de: US2025233146A1
Disclosed are positive electrode active materials, methods of fabricating the same, and rechargeable lithium batteries including the same. The positive electrode active material includes a first particle including a first lithium composite oxide. The first particle includes a first primary particle that extends in a radial direction from a center of the first particle toward a surface of the first particle, and a second primary particle on the surface. An aspect ratio of the first primary particle is about 2 to about 15. An aspect ratio of the second primary particle is about 0.7 to about 3.
Resumen de: US2025233142A1
An all-solid-state battery having excellent output characteristics, and a negative electrode for an all-solid-state battery that can be used in the all-solid-state battery are provided. A negative electrode for an all-solid-state battery according to the present invention includes a molded body made of a negative electrode mixture that contains a negative-electrode active material, a solid electrolyte, and a conductive assistant, and lithium titanium oxide particles in which a ratio Dp/D50 of a primary particle diameter Dp to a particle diameter D50 is greater than 0.6 and a specific surface area is 2 m2/g or more are contained as the negative-electrode active material. Also, an all-solid-state battery according to the present invention includes a positive electrode, a negative electrode, and a solid electrolyte layer located between the positive electrode and the negative electrode, and the negative electrode for an all-solid-state battery according to the present invention is used as the negative electrode.
Resumen de: US2025233140A1
To make an electrode material (312). Nb2O5 powder (110) is milled (112) to generate Nb2O5 nanoparticles. An oxidant is added to the Nb2O5 nanoparticles to form oxidant coated Nb2O5 nanoparticles (114). The oxidant coated Nb2O5 nanoparticles is sealed with a carbon compound that releases a carbon compound vapor, which polymerizes on the Nb2O5 nanoparticles, which agglomerate to form polymerized Nb2O5 nanoparticles (116). The polymerized Nb2O5 nanoparticles are calcinated to form a hierarchical N-rich carbon conductive electrode layer (118). An electrode (302) that includes a Ti2Nb10O29@NC (312) layer is applied to a conductive substrate (310). A battery (300) includes an anode (314), a cathode (302) and an electrolyte (318) between the anode and the cathode (302). The cathode (302) includes a Ti2Nb10029@NC@NC layer (312).
Resumen de: US2025233134A1
An all-solid-state lithium-ion secondary battery includes a positive electrode, a negative electrode, and a solid electrolyte between the positive electrode and the negative electrode. The negative electrode has a negative electrode current collector and a negative electrode active material layer that comprises a carbon material and Ag.
Resumen de: WO2025148888A1
A protective board assembly, a battery and an electric device. The protective board assembly comprises a first circuit board, a connector, a first electronic element and an encapsulation member, wherein the first circuit board comprises a base and a first extension section connected to the base, the first extension section protruding from the base, and the first extension section comprising a first surface and a second surface, which are arranged opposite each other in a first arrangement direction; the connector is connected to the first surface and is configured to electrically connect to an external circuit; the first electronic element is connected to the second surface and is configured to form a protective circuit; the encapsulation member is connected to the second surface and wraps around the first electronic element; and in the first arrangement direction, the projection of the encapsulation member overlaps the projection of the connector. The protective board assembly facilitates the increase of the energy density of a battery provided with the protective board assembly.
Resumen de: WO2025148525A1
A negative electrode material, a preparation method, a negative electrode plate, a sodium ion battery, and an electronic device, relating to the technical field of batteries. The electrode material comprises carbonaceous particles, the carbonaceous particles comprising first amorphous carbon particles and second amorphous carbon particles, the first amorphous carbon particles having a blocky structure, and the second amorphous carbon particles having a spherical hard carbon structure. The Dv50 particle size of the second amorphous carbon particles is smaller than the Dv50 particle size of the first amorphous carbon particles, and the sphericity of the second amorphous carbon particles B is 0.7-1.0. The negative electrode material can improve compaction density while ensuring high sodium storage capacity.
Resumen de: WO2025148585A1
Disclosed are a negative electrode plate and a preparation method therefor, a lithium ion battery, and a vehicle. The negative electrode plate comprises a current collector, a first active material layer disposed on the current collector, and a second active material layer disposed on the first active material layer. The first active material layer comprises first graphite, and the second active material layer comprises second graphite. The convexity and volume median diameter of the first graphite, and the convexity and volume median diameter of the second graphite satisfy: 1≤(T1×Dv502)/(T2×Dv501)≤4.
Resumen de: US2025233241A1
The present disclosure relates to an end cover assembly, a battery cell, a battery pack and a device. The end cover assembly includes a cover assembly, a terminal assembly, a sealing piece and a first connected flow channel. The cover assembly is provided with an installation hole, and the installation hole penetrates through the cover assembly along an axial direction of the installation hole; the terminal assembly is installed in the installation hole; the sealing piece is configured to seal the installation hole; the first connected flow channel is arranged in at least one of the terminal assembly and the cover assembly, and the first connected flow channel is configured as follows: when the sealing of the sealing piece is invalid, the first connected flow channel enables the inside and the outside of the housing to be communicated through the installation hole.
Resumen de: US2025233231A1
The battery module according to one embodiment of the present disclosure includes: a battery cell stack in which a plurality of battery cells are stacked; a module frame housing the battery cell stack; and a first heat sink located at an upper part of the module frame, wherein the first heat sink includes an upper plate and a lower plate, wherein a lower plate of the first heat sink constitutes an upper cover of the module frame, and wherein the first heat sink includes a cooling flow passage having at least one partition wall formed between the upper plate and the upper cover of the module frame.
Resumen de: US2025233147A1
A positive electrode active material has a small difference in a crystal structure between the charged state and the discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are less likely to be changed by charging and discharging as compared with those of a known positive electrode active material. In order to form the positive electrode active material having the pseudo-spinel crystal structure in the charged state, it is preferable that a halogen source such as a fluorine and a magnesium source be mixed with particles of a composite oxide containing lithium, a transition metal, and oxygen, which is synthesized in advance, and then the mixture be heated at an appropriate temperature for an appropriate time.
Resumen de: US2025233257A1
Provided is a battery pack according to example embodiments of the present technology. The battery pack includes a housing with a plate part, and first and second battery assemblies provided on an upper surface of the plate part of the housing and including a plurality of battery cells, in which each of the first and second battery assemblies includes a cell stack and first and second cross-beams spaced apart from each other with the cell stack interposed therebetween, a shape of the first cross-beam of the second battery assembly is different from and complementary to a shape of the second cross-beam of the first battery assembly, the first cross-beam of the second battery assembly faces the second cross-beam of the first battery assembly, and the first cross-beam of the second battery assembly is spaced apart from the second cross-beam of the first battery assembly.
Resumen de: US2025230550A1
A metallized resin film includes a resin composition layer, an electroless copper plating layer, and an adhesion layer including ionic copper interposed between the resin composition layer and the electroless copper plating layer. The resin composition layer includes a metal oxide particle and a polyimide-based resin having a storage modulus of 0.02 GPa or more at a temperature of 300° C. The adhesion layer has a light reflectance of 30% or less.
Resumen de: WO2025149865A1
A stack for an electrochemical cell has a laminate structure including a first gel separator layer and a second gel separator layer; a solid solvent-cast electrode layer between the first and second gel separator layers; and a gel electrode layer in contact with the first gel separator layer. The stack finds use in electrochemical secondary cells, including lithium ion secondary cells.
Resumen de: WO2025151255A1
In some implementations, a battery module (104) may include a battery stack comprising a plurality of battery cells (106), one or more module interconnect bus bars (208), and a printed circuit board (PCB) (204) disposed on the battery stack and defining a plurality of openings (214). The PCB (204) may be configured as a carrier for the one or more module interconnect bus bars (208). The plurality of openings (214) may be arranged such that each of the plurality of openings (214) aligns with a terminal of each of the plurality of battery cells (106). The one or more module interconnect bus bars (208) may be attached to the PCB (204) in alignment with the plurality of openings (214) and electrically connected to the plurality of battery cells (106) of the battery stack.
Resumen de: WO2025149114A1
The invention relates to a method and a device (10) for conveying flat elements (12) for the production of galvanic cells, wherein the method is carried out with the continuous movement of a flat element (12) in a direction of conveyance (14). In a pneumatic diverter (18) of the conveying device (10), by means of which the conveyance path (16; 22; 24) is vertically divided into two directions (22; 24), air nozzles (60; 62) are arranged both above and below guide belts (21; 23) which delimit a diverter region (18). The air nozzles (60; 62) produce an as narrow and wide an air flow (30; 31) as possible and push the flat element (12) onto one of the conveying belts (21; 23). In the upward switching direction, the air flow (30) of a lower nozzle (60) pushes the flat element (12) onto the underside of the upper conveying belt (21). In the downward switching direction, the air flow (31) of an upper nozzle (62) pushes the flat element (12) onto the upper side of the lower conveying belt (23). As soon as the flat element (12) has reached a wedging point at the diverter outlet, the air flow can be switched over. Therefore, no particular minimum distance between the flat elements (12) is necessary, because the switching operation does not have to wait for the flat element (12) to completely pass through.
Resumen de: DE102024100799A1
Die Erfindung betrifft ein Akkupack (1) zum lösbaren Verbinden mit einem Elektrogerät mit einem Akkupackgehäuse (2), das eine Gehäuseaußenseite (3) aufweist, mit zumindest einem im Akkupackgehäuse (2) angeordneten Akkumulator (23), mit einer im Akkupackgehäuse (2) angeordneten Steuerungseinheit (24) und mit einer an der Gehäuseaußenseite (3) ausgebildeten Geräteschnittstelle (4) zum lösbaren Verbinden des Akkupacks (1) mit dem Elektrogerät. Erfindungsgemäß umfasst das Akkupackgehäuse (2) ein erstes Gehäuseteil (5) und ein zweites Gehäuseteil (6). Das erste Gehäuseteil (5) umfasst eine erste Innenschnittstelle (7) und das zweite Gehäuseteil (6) eine mit der ersten Innenschnittstelle (7) korrespondierende zweite Innenschnittstelle (8), über die das erste Gehäuseteil (5) und das zweite Gehäuseteil (6) mechanisch und elektrisch miteinander verbindbar sind.
Resumen de: US2025233540A1
An electric power system has a power inverter system with a quasi-resonant circuit (QRC), and a controller, and couples a DC power supply to an electric machine. The power inverter system includes a positive inverter bus and a negative inverter bus; first paired switches; a positive DC bus terminal; and a negative DC bus terminal. The QRC includes an inverter inductance device, a capacitor, a first bus switch, and a second bus switch. The inverter inductance device and the second bus switch are arranged in series between the positive inverter bus and the first switch node, and the first bus switch is arranged between the positive DC bus terminal and the positive inverter bus. The controller is configured to control the QRC to generate an alternating current in the DC power supply.
Resumen de: DE102024101240A1
Die Erfindung betrifft einen Elektrodenwickel mit einem Wickelkern, umfassend- eine aufgewickelte innere Stromkollektorschicht, wobei eine innere Elektrodenschicht auf der inneren Stromkollektorschicht angeordnet ist,- eine aufgewickelte äußere Stromkollektorschicht, wobei eine äußere Elektrodenschicht auf der äußeren Stromkollektorschicht angeordnet ist,- wobei die innere Elektrodenschicht und die äußere Elektrodenschicht benachbart zueinander angeordnet sind und eine Separatorschicht zwischen der inneren und der äußeren Elektrodenschicht angeordnet ist,- wobei sich die innere Stromkollektorschicht und die äußere Stromkollektorschicht radial ausgehend von dem Wickelkern nach außen erstrecken und die innere Elektrodenschicht näher an Wickelkern angeordnet ist, als die äußere Elektrodenschicht,- wobei die innere Stromkollektorschicht eine innere Beladung mit einer Masse an innerer Elektrodenschicht je Flächeneinheit an innerer Stromkollektorschicht und die äußere Stromkollektorschicht eine äußere Beladung mit einer Masse an äußerer Elektrodenschicht je Flächeneinheit an äußerer Stromkollektorschicht aufweist,- wobei sich die innere Beladung ausgehend von Wickelkern nach außen hin verringert oder sich die äußere Beladung ausgehend von Wickelkern nach außen hin erhöht.Bei einem derartigen Elektrodenwickel können die Flächenkapazitäten der inneren Elektrodenschicht und der äußeren Elektrodenschicht aneinander angepasst werden.
Resumen de: DE102024000111A1
Bei einem Verfahren zum Direktrecycling von Elektrodenschrotte, anfallend als Produktionsabfall bei der Produktion von Lithium-Ionen-Batterien soll in Verfahren zur Verfügung zu stellen, welches es ermöglicht, Elektrodenschrotte aus der LIB-Produktion durch mechanisches Beanspruchen zu recyclen, ohne die Aktivmaterialen negativ zu verändern, damit dieses der Produktion wieder zugeführt werden kann. Dies wird dadurch erreicht, dass das mechanische Beanspruchen der Elektrodenschrotte ein Vorzerkleinern der Elektrodenschrotte zu Schüttgut und ein mechanisches Beanspruchen der vorzerkleinerten Elektrodenschrotte in konditionierter Atmosphäre in einer Fließbettgegenstrahlmühle umfasst.
Resumen de: DE102024105944A1
Eine Lithium-Ionen zyklisierende Batterie umfasst eine negative Elektrode, eine positive Elektrode, einen Separator, der zwischen der negativen Elektrode und der positiven Elektrode angeordnet ist, und einen Ionogel-Elektrolyt. Die negative Elektrode umfasst Teilchen aus elektroaktivem Material, die Silizium umfassen. Die positive Elektrode umfasst ein elektroaktives Material der positiven Elektrode. Der Ionogel-Elektrolyt umfasst eine Polymermatrix, eine ionische Flüssigkeit in der Polymermatrix und ein Lithiumsalz in der ionischen Flüssigkeit. Die ionische Flüssigkeit umfasst ein Kation, das ein Piperidinium-Ion umfasst, und ein Anion, das Bis(fluorsulfonyl)imid (FSI) umfasst.
Resumen de: DE102024101318A1
Batteriezellelektrodenherstellverfahren zur Herstellung einer Batteriezell-Elektrode für eine Lithiumionen-Batteriezelle, wobei die Batteriezell-Elektrode eine Elektroden-Trägerfolie aufweist und wobei auf dieser Trägerfolie ein Elektroden-Aktivmaterial aufgebracht ist und wobei dieses Elektroden-Aktivmaterial inhomogen ist und sogenannte Aktivmaterial-Poren aufweist, welche von Elektroden-Aktivmaterial umgeben sind mit den Schritten:- Bereitstellen der Elektroden-Trägerfolie,- Aufbringen des Elektroden-Aktivmaterials auf die Elektroden-Trägerfolie in einer Elektroden-Längsrichtung,- Bestimmen der auf einen ersten Elektroden-Längsabschnitt aufgebrachten Menge von Elektroden-Aktivmaterial,- Ermitteln einer ersten Elektroden-Schichtdicke für diesen ersten Elektroden-Längsabschnitt in Abhängigkeit der zuvor Bestimmten Menge an aufgebrachten Elektroden-Aktivmaterial,- Verdichten des Elektroden-Aktivmaterials in diesem ersten Elektroden-Längsabschnitt auf die ermittelte Elektroden-Schichtdicke,- Bestimmen der auf wenigstens einen weiteren Elektroden-Längsabschnitt aufgebrachten Menge von Elektroden-Aktivmaterial,- Ermitteln einer weiteren Elektroden-Schichtdicke für diesen wenigstens einen weiteren Elektroden-Längsabschnitt in Abhängigkeit der zuvor bestimmten Menge an auf diesen aufgebrachten Elektroden-Aktivmaterial,- Verdichten des Elektroden-Aktivmaterials in diesem wenigstens einen weiteren Elektroden-Längsabschnitt auf die für ermittelte weitere Elektroden-S
Resumen de: DE102024127709A1
Batterie, beinhaltend einen Positivelektrodenstromabnehmer, eine Positivelektrodenschicht, eine Elektrolytschicht, eine Negativelektrodenschicht und einen Negativelektrodenstromabnehmer in dieser Reihenfolge, wobei die Negativelektrodenschicht eine erste Schicht, die auf der Seite der Elektrolytschicht in einer Dickenrichtung angeordnet ist, und eine zweite Schicht, die auf der Seite des Negativelektrodenstromabnehmers in der Dickenrichtung relativ zu der ersten Schicht angeordnet ist, beinhaltet, wobei die erste Schicht und die zweite Schicht jeweils ein Si-basiertes Aktivmaterial und einen Festelektrolyten als Negativelektrodenaktivmaterial enthalten, wobei der Wert, der durch Subtraktion der Ionenleitfähigkeit der zweiten Schicht von der Ionenleitfähigkeit der ersten Schicht erhalten wird, 0,08 mS/cm oder mehr beträgt, wobei der Prozentsatz des Festelektrolyten in der ersten Schicht 47,5 Vol.-% oder weniger beträgt.
Resumen de: DE102024100768A1
Die Erfindung betrifft ein Verfahren zur Bestimmung einer Schwellung einer Batteriezelle, umfassend die folgenden Schritte:- Verursachung einer Strömung eines Fluids (9) um die Batteriezelle;- Detektion von Schall, der durch das strömende Fluid (9) verursacht wird; und- Bestimmung der Schwellung unter Verwendung des detektierten Schalls.
Resumen de: DE102024105945A1
Eine Batteriezelle umfasst A Anodenelektroden, wobei jede der A Anodenelektroden einen porösen Anodenstromabnehmer und eine aktive Materialschicht umfasst, die Silizium umfasst, das durch physikalisches Dampfaufbringen (PVD) auf dem porösen Anodenstromabnehmer aufgebracht wurde. Die Batteriezelle umfasst C Kathodenelektroden mit einem Kathodenstromabnehmer und einer auf dem Kathodenstromabnehmer angeordneten Kathodenaktiv-Materialschicht sowie S Separatoren, wobei A, C und S ganze Zahlen größer als eins sind.
Resumen de: DE102024200380A1
Die Erfindung betrifft ein Verfahren zur Fertigung eines Lithium-Ionen-Akkumulators (4), welcher zumindest eine Akkumulator-Zelle (6) aufweist, in der eine Elektrode (12) eines ersten Typs angeordnet ist, wobei zur Herstellung der Elektrode (12) des ersten Typs eine Lithium aufweisende Passivierungsbeschichtung (18) ausgebildet wird und wobei hierfür Lithium genutzt wird, welches bei einem Kalzinierungs-Prozess zur Herstellung von Kathodenmaterial abfällt.
Resumen de: DE102024106560A1
Batteriemodul mit einer Vielzahl von Batteriezellen, die zum Speichern und Liefern elektrischer Energie konfiguriert sind, einem Zellenhalter, der zum Tragen der Batteriezellen konfiguriert ist, einem vorgeformten Einsatz, der ein Vergussmaterial enthält, das so geformt ist, dass es eine Vielzahl von Kühlmittelkanälen für die Batteriezellen definiert, und einem Durchflusssteuerungssystem, das zum Steuern eines Kühlmittelflusses durch die Kühlmittelkanäle betreibbar ist.
Resumen de: DE102024100951A1
Energiespeichereinrichtung für ein Kraftfahrzeug (1), umfassend ein Energiespeichergehäuse (6) und wenigstens eine hierin aufgenommene Batteriezelle (5), wobei wenigstens eine Kühlvorrichtung (7) derart benachbart zu der Batteriezelle (5) oder zu wenigstens einer der Batteriezellen (5) angeordnet ist, dass diese Batteriezelle (5) mittels eines in wenigstens einem Kühlfluidführungsabschnitt (17) der Kühlvorrichtung (7) geführten Kühlfluids kühlbar ist, wobei zumindest ein Abschnitt der Kühlvorrichtung (7) plastisch oder elastisch verformbar ist, sodass eine ladezyklus- und/oder alterungsbedingte Ausdehnung der benachbarten Batteriezelle (5) oder der benachbarten Batteriezellen (5) eine Verformung der Kühlvorrichtung (7) derart bewirkt, dass sich der Querschnitt des Kühlfluidführungsabschnitts (17) zumindest abschnittsweise verringert.
Resumen de: DE102024100952A1
Batteriezellengehäuse zur Bildung einer Batteriezelle (5) für eine Energiespeichereinrichtung (4) eines Kraftfahrzeugs (1), wobei das Batteriezellengehäuse (15) in seinem Inneren wenigstens eine Aufnahmekammer (18) zur Aufnahme wenigstens einer Aktivmaterialeinheit (16) aufweist, wobei die Aufnahmekammer (18) nach außen mittels wenigstens einer Gehäusewand (19, 20) begrenzt ist, wobei die Gehäusewand (19, 20) wenigstens eine Kühlkammer (7) zur Führung eines zur Kühlung der Aktivmaterialeinheit (16) vorgesehenen Kühlfluids aufweist, wobei zumindest ein Abschnitt der Gehäusewand (19, 20) plastisch oder elastisch verformbar ist, sodass eine ladezyklus- und/oder alterungsbedingte Ausdehnung der Aktivmaterialeinheit (16) eine Verformung der Gehäusewand (19, 20) derart bewirkt, dass sich der Querschnitt der Kühlkammer (7) zumindest abschnittsweise verringert.
Resumen de: DE102024100954A1
Verfahren zur Simulierung eines Verhaltens eines Gehäuses (3) einer Energiespeichereinrichtung (1) oder eines Gehäuseabschnitts eines Gehäuses (3) einer Energiespeichereinrichtung (1) beim Auftreten einer mechanischen Belastung, die aufgrund einer alterungs- und/oder aufladebedingten Ausdehnung wenigstens einer in dem Gehäuse (3) aufgenommenen Batteriezelle (2) auf das Gehäuse (3) oder den Gehäuseabschnitt einwirkt, wobei wenigstens eine Prüfeinrichtung (14) mit mehreren Druckeinheiten (15), mittels denen jeweils eine Prüfkraft generierbar ist, und wenigstens ein Prüfkörper (16), der dem Gehäuse (3) oder dem Gehäuseabschnitt entspricht oder der das Gehäuse (3) oder der Gehäuseabschnitt ist, bereitgestellt wird, wobei die wenigstens eine Prüfeinrichtung (14) und der wenigstens eine Prüfkörper (16) in einen Prüfzustand derart gebracht werden, dass die von den Druckeinheiten (15) generierten Prüfkräfte auf den Prüfkörper (16) zur Simulierung der mechanischen Belastung einwirken, wobei die Prüfkräfte derart generiert werden, dass diese die mechanische Belastung unter Berücksichtigung einer in der Realität zu erwartenden zeitlichen und/oder örtlichen Änderung der mechanischen Belastung simulieren, wobei wenigstens eine der Druckeinheiten (15) einen Kraftgenerator (21) und wenigstens einen hiermit verbundenen Druckstempel (22) aufweist, wobei, bezogen auf den Prüfzustand, die jeweilige Prüfkraft mittels des Kraftgenerators (21) generiert und über den
Resumen de: DE102024200296A1
Die Erfindung betrifft ein Modulares Batteriesystem, umfassend ein Batteriemodul, in welchem mindestens zwei Batterieschnittstellen ausgebildet sind, wobei jede Batterieschnittstelle eingerichtet ist zur elektrischen und mechanischen Verbindung mit einem Wechselakkupack, wobei das Batteriemodul eine Stromschiene aufweist, die mit jeder Batterieschnittstelle elektrisch verbunden ist, und wobei das Batteriemodul mindestens einen elektrischen Anschluss aufweist, der mit der Stromschiene elektrisch verbunden ist, und der eingerichtet ist zur Verbindung mit einem Verbraucher und/oder mit einer Ladevorrichtung.
Resumen de: DE102025000046A1
Ein Fahrzeug beinhaltet Batteriemodule, ein Batteriegehäuse, einen Kollisionssensor und einen Deaktivierungsmechanismus. Die Batteriemodule beinhalten jeweils Batteriezellen und einen Binder. Der Binder bindet die Batteriezellen. Das Batteriegehäuse nimmt die Batteriemodule auf. Der Kollisionssensor ist dazu konfiguriert, eine Detektion einer Kollision des Fahrzeugs durchzuführen. Der Deaktivierungsmechanismus ist dazu konfiguriert, den Binder daran zu hindern, die Batteriezellen als Reaktion auf die Detektion der Kollision durch den Kollisionssensor zu binden. Die Batteriemodule in dem Batteriegehäuse sind dazu konfiguriert, in einer Richtung der Kollision des Fahrzeugs voneinander beabstandet zu sein, sodass ein Raum zwischen den Batteriemodulen bereitgestellt ist. Der Raum ermöglicht es den Batteriezellen, sich zu bewegen, wenn der Binder daran gehindert wird, die Batteriezellen zu binden.
Resumen de: DE102024106081A1
Ein System zum Bewerten einer Batterieanordnung umfasst ein Erfassungsmodul, das so konfiguriert ist, dass es Parameter erfasst, die sich auf eine Batterieanordnung beziehen, und ein Bewertungsmodul, das so konfiguriert ist, dass es ein Ersatzschaltungsmodell erfasst, das eine Batteriezelle der Batterieanordnung darstellt, und das Ersatzschaltungsmodell ausführt, um das Laden und Entladen zu simulieren. Das Ersatzschaltungsmodell umfasst eine Leerlaufspannung (OCV, o-pen circuit voltage), einen Innenwiderstand und drei Widerstands-Kondensator-Paare (R-C, resistor-capacitor), wobei jedes R-C-Paar ein paralleles R-C-Netz ist, das mit dem Innenwiderstand in Reihe geschaltet ist, jedes R-C-Paar eine Zeitkonstante aufweist, die aus einem jeweiligen Zeitkonstantenbereich ausgewählt wird, jeder jeweilige Zeitkonstantenbereich basierend auf Schätzungen physikalischer Phänomene ausgewählt wird, die dem Betrieb der Batteriezelle zugeordnet sind.
Resumen de: WO2025150770A1
A method for manufacturing a separator for a secondary battery, in which ions of a base metal are intercalated into and deintercalated from a positive electrode and a negative electrode during a charging/discharging process, according to the present invention, may comprise the steps of: preparing a first compound containing the base metal and fluorine and a second compound containing a transition metal oxide; physically mixing the first compound and the second compound to prepare a coating layer source; and providing the coating layer source onto a substrate to form a coating layer, wherein in the step of physically mixing the first compound and the second compound to prepare the coating layer source, the molar ratio of the first compound is controlled to be higher than the molar ratio of the second compound in the coating layer source.
Resumen de: WO2025150721A1
The present invention relates to a solid electrolyte powder for an all-solid-state battery. The solid electrolyte for an all-solid-state battery, according to one embodiment of the present invention, may comprise: amorphous powder including LiCl and oxides of Li, B and Al; and crystallized powder including a first crystallized powder including LiCl and oxides of Li, B and Al, and/or a second crystallized powder including LiCl and oxides of Li and B.
Resumen de: WO2025150764A1
A metal-air battery device is disclosed. The metal-air battery device comprises: a metal electrode which releases metal ions; an air electrode which is disposed so as to face the metal electrode and uses oxygen as a positive electrode active material; and an electrolyte supply nozzle which expels an electrolyte onto at least any one of one surface of the metal electrode and one surface of the air electrode which face each other.
Resumen de: WO2025150501A1
This box for a power storage element is disposed inside a thermostatic tank in which performance testing of a power storage element is carried out. The box for the power storage element comprises a box body which houses the power storage element, and electrical wiring which extends inside the box body and which is electrically connected to a tab of the power storage element. The box body contains an insulating and flame-retardant material.
Resumen de: WO2025150778A1
Disclosed are a transfer tray with remarkably improved battery cell transfer efficiency and a battery cell activation system including same. According to an aspect of the present embodiment, provided are a transfer tray capable of significantly improving battery cell transfer efficiency, and a battery cell activation system including same and capable of significantly reducing battery cell transfer time.
Resumen de: WO2025148153A1
The present application relates to the technical field of batteries, and provides a battery cell, a battery, and an electric device. The battery cell comprises an electrode assembly, and the electrode assembly comprises an electrode sheet and an adhesive tape. The electrode sheet is wound along a preset winding direction, and the electrode sheet comprises a first end close to a winding start point and a second end close to a winding end point. The adhesive tape is at least partially bonded to the surface of the first end and/or the second end of the electrode sheet, wherein the adhesive tape comprises through holes passing through the adhesive tape along the thickness direction. According to the battery cell provided by the embodiments of the present application, the adhesive tape is bonded to the surface of the first end of the electrode sheet close to the winding start point, so that the supporting effect of a central hole of the electrode assembly can be improved; the adhesive tape is bonded to the surface of the second end of the electrode sheet close to the winding end point, so that the termination and fixation effects of the electrode sheet can be achieved, thereby preventing the wound electrode assembly from loosening; and the adhesive tape comprises the through holes passing through the adhesive tape along the thickness direction, so that the infiltration effect of an electrolyte during injection into the battery cell can be improved, thereby improving the cycle perf
Resumen de: WO2025148316A1
The present invention relates to the technical field of battery electrolyte additives, and in particular to a difluorobis(oxalato)phosphate composition, and a preparation method therefor and a use thereof. The chemical formula of the composition is: MPF2(C2O4)2·xB, wherein M is an alkali metal, B is an organic solvent, X is a molar ratio, and 0.05<x<1.1. The difluorobis(oxalato)phosphate composition obtained by the present invention has good fluidity and is more suitable for being fed in the process of preparing an electrolyte. Compared with difluorobis(oxalato)phosphate, the yield and product quality of the prepared difluorobis(oxalato)phosphate composition are higher, and the content of impurities in the prepared composition is low.
Resumen de: WO2025148322A1
A battery (10) and an electric device. The battery (10) comprises: a case; at least one group of battery cells (11), each group of battery cells (11) comprising a plurality of battery cells (11) arranged in a first direction; and a pressing strip (12), wherein a channel for accommodating a liquid is provided in the pressing strip (12), and the pressing strip (12) extends in a first direction and is connected to the plurality of battery cells (11).
Resumen de: US2025233255A1
A battery module and a battery pack are provided. The battery module includes a casing including a bottom plate, side plates, end plates, and a top plate fixedly connected to the side plates and the end plates to enclose and form an accommodating cavity; a fixed bracket located in the accommodation cavity, mounted on the bottom plate, and provided with a plurality of rows of positioning slots; a cell stack including cylindrical cells arranged in a plurality of rows, where a top portion of each of the cylindrical cells is provided with an electrode terminal; a cell contact system (CCS) component mounted on one side of the cell stack close to the top plate and electrically connected to the electrode terminals of the cylindrical cells; and a cooling plate arranged on one side of the CCS component away from the cell stack.
Resumen de: US2025233446A1
An apparatus for supplying emergency power according to an embodiment of the present disclosure includes: a protection circuit unit connected to a battery and configured to limit an available voltage range of the battery; a bypass unit connected in parallel to the protection circuit unit and configured to form a bypass path of a current output from the battery according to an operation state of a disposed switching element; and a control unit configured to electrically connect the bypass path formed by the bypass unit by controlling the operation state of the switching element to a turn-on state.
Resumen de: US2025233422A1
The in-vehicle power supply device includes a power storage device, an in-vehicle solar power generator mounted on the vehicle, a power regulator that performs charging of the power storage device using generated electric power from the in-vehicle solar power generator, charging of the power storage device using surplus electric power from an external solar power generator installed in an external facility, and supply of power from the power storage device to the external facility, and a control device that controls the power regulator. The control device controls the power regulator so as to start to warm the power storage device when the electric power generated by the in-vehicle solar power generator reaches first predetermined electric power or more and then to charge the power storage device using the surplus electric power from the external solar power generator.
Resumen de: US2025233245A1
Systems and methods for controlling and/or inhibiting lateral movement of battery components are generally described. Buckling of stacks of electrochemical cells can unfavorably misalign or deform battery components and may negatively impact performance of the battery. The present disclosure is directed, in some embodiments, towards inventive components that can laterally support electrochemical cells of the stack of electrochemical cells to prevent lateral motion of the electrochemical cells, thereby preventing buckling of the stack.
Resumen de: US2025233244A1
A battery and an electric device are disclosed. The battery includes a case, a battery assembly, and a protective assembly. The battery assembly is disposed within the case and comprises a plurality of battery cells. A gap is formed between adjacent battery cells and extends in the height direction of the battery cells, the gap having two opposing openings in the height direction. The protective assembly is connected to the adjacent battery cells and is configured to cover at least one of the openings of the gap. The protective assembly reduces the ingress of foreign matter, minimizes uneven stress on the battery cells, and mitigates the risk of lithium plating. As a result, the cycle performance of the battery cells is improved, thereby enhancing the service life of the battery.
Resumen de: US2025233200A1
A solid lithium-ion battery includes a solid electrolyte and a cathode. The cathode, formed on the surface of the solid electrolyte, includes lithium-metal chloride. The cathode has an alloy and an artificial solid electrolyte interphase layer. Thus, an interface between the solid electrolyte and the cathode has better wettability.
Resumen de: US2025233160A1
The present disclosure is to provide a cylindrical secondary battery that facilitates connecting a busbar by having both positive and negative electrodes on one side, and that has highly reliable electrical contact between an electrode assembly and a case. To that end, the present disclosure provides a secondary battery comprising: an electrode assembly; a case for housing the electrode assembly; a current collector plate welded to the electrode assembly and case; and a cap plate, located above the current collector plate, for sealing the case.
Resumen de: US2025233158A1
A negative electrode plate, an electrode assembly, a battery, and an electric apparatus are described. A coating is provided at an edge of the negative electrode plate, and the coating includes a functional compound, the functional compound being able to react with sodium metal or lithium metal to produce gas.
Resumen de: US2025233193A1
Proposed is a pressurizing and sealing device for an all-solid-state secondary battery. More particularly, proposed is a pressurizing and sealing device for an all-solid-state secondary battery, in which a side of the pressurizing and sealing device is vacuum-adsorbed to seal an all-solid-state secondary battery while forming an internal space that transmits a pressurizing force to the all-solid-state battery, thereby enabling the all-solid-state battery to be pressurized under isotropic pressure conditions during a high-temperature pressurization process for the second battery.
Resumen de: US2025233157A1
Disclosed herein is a current collector, a secondary battery, an electrical device, and a method for preparing the current collector. The current collector includes a substrate. The substrate includes the porous material. The affinity material is disposed in pores of the porous material. The affinity material is configured to promote the deposition of metal ions in an electrolyte solution. The affinity material includes at least one of a carbon-based material, a non-metal oxide, a carbide, a fluoride, a nitride, a sulfide, a phosphide, and an organic material. The above manner is able to effectively reduce the nucleation overpotential of the metal ions on the porous material of the current collector, promote the uniform diffusion and deposition of the metal ions within the pores of the porous material of the current collector, inhibit the generation of a dendrite, and improve the cyclic performance and safety of the battery.
Resumen de: WO2025150707A1
A battery management system and a battery management method are disclosed. The battery system comprises: a battery monitoring IC (BMIC) for measuring a battery state; a processor for controlling all operations of a battery management system; a transceiver for recognizing the measured state of the battery and transmitting same to the processor; and a power source management circuit for providing a power source to the processor, wherein the processor includes a first terminal (VDDS_PowerControl) that outputs a first signal for controlling a first transistor, and uses the first signal to control the first transistor, and thus can provide a VDDS signal for determining a low power mode operation.
Resumen de: WO2025150690A1
The present invention relates to a hybrid fire extinguishing apparatus for a lithium-based battery, capable of, when a fire occurs in a lithium-based battery module of an energy storage system (ESS) or an electric vehicle, creating high-pressure spray and cooling environments by using a hybrid fire extinguishing agent having a reinforcing liquid and carbon dioxide (CO2), thereby rapidly and effectively extinguishing the fire to improve fire extinguishing efficiency in the battery and enabling early fire extinguishment. The hybrid fire extinguishing apparatus comprises: a first fire extinguishing agent storage tank; a second fire extinguishing agent storage tank storing a second fire extinguishing agent of a different type from a first fire extinguishing agent in the first fire extinguishing agent storage tank; a hybrid fire extinguishing agent mixing-discharging unit provided in the first fire extinguishing agent storage tank to discharge a hybrid fire extinguishing agent of the first fire extinguishing agent and the second fire extinguishing agent supplied from the first fire extinguishing agent storage tank and the second fire extinguishing agent storage tank, respectively; and a hybrid fire extinguishing agent ejecting unit connected to an outlet of the hybrid fire extinguishing agent mixing-discharging unit to eject the hybrid fire extinguishing agent.
Resumen de: WO2025150714A1
This cell balancing method for a battery pack comprising a plurality of battery cells comprises the steps of: determining a balancing target cell requiring cell balancing among the plurality of battery cells; measuring a first voltage for the balancing target cell and measuring a first pack current flowing through the battery pack; turning on a balancing switch connected to the balancing target cell; measuring a second voltage for the balancing target cell and measuring a second pack current flowing through the battery pack; determining a balancing current calculation method according to the difference between the first pack current and the second pack current; if the difference between the first pack current and the second pack current is within a predetermined range, calculating a balancing current by using the first voltage and the second voltage; if the difference between the first pack current and the second pack current is outside of the predetermined range, calculating the balancing current by using the first voltage, the second voltage, and a voltage change amount resulting from an internal resistance of the balancing target cell; and estimating a state of charge (SOC) of the balancing target cell according to the balancing current.
Resumen de: WO2025148313A1
Disclosed in the present invention is a zero-discharge treatment method for wastewater resulting from the production of a sodium-ion battery positive electrode material. The method comprises the following specific steps: mixing wastewater resulting from the production of a sodium-ion battery positive electrode material of Prussian blue and an analogue thereof with calcium chloride, carrying out solid-liquid separation after a reaction is completed, and enabling the resulting filtrate to undergo membrane filtration and to flow back; and preparing the resulting filter cake into a slurry and then heating the slurry, adding a sodium carbonate solution for a reaction for a certain period of time and then carrying out solid-liquid separation, and carrying out evaporative crystallization treatment on the resulting filtrate to obtain high-purity sodium citrate. In the present invention, citrate, ferrocyanide, and sulfate radicals in the wastewater resulting from the production of the sodium-ion battery positive electrode material can be recycled or removed by precipitation, avoiding the waste of resources and the risk of secondary pollution, and realizing low-cost green recycling of citrate and ferrocyanide radicals in the wastewater. The present invention has the advantages of low costs, a short process, energy conservation, a high utilization rate, no secondary pollution, etc., and exhibits excellent prospects for industrial application and promotion.
Resumen de: WO2025148310A1
Embodiments of the present application provide a thermal management assembly, a battery, an electric device, and an energy storage device, capable of improving the use performance of the thermal management assembly. The thermal management assembly is used for adjusting the temperature of a battery cell. The thermal management assembly comprises: a first plate and a second plate which are oppositely arranged; and a first pipe, the first pipe being arranged between the first plate and the second plate, wherein the shape of the section, perpendicular to the extending direction of the first pipe, of the first pipe comprises an arc shape.
Resumen de: WO2025148305A1
An electrode manufacturing method, a battery and an electric device. The electrode manufacturing method comprises the following steps: providing slurry, wherein the slurry is mixed with a pore-forming agent; applying the slurry onto a current collector so as to form an active substance layer on the current collector; and electrifying the active substance layer, so that the pore-forming agent in the active substance layer is subjected to an electrochemical reaction to form pores. Before the step of applying the slurry onto the current collector, the method further comprises the step: providing a roller, wherein the roller is used for coating and traveling of the current collector, conductive pieces are arranged on the surface of the roller, and the conductive pieces are used for being electrically connected to the current collector. The step of electrifying the active substance layer comprises electrifying the current collector with the conductive pieces. The technical solution can improve the pore forming efficiency of an electrode, so that when the electrode is applied to a battery, the battery can have relatively high manufacturing efficiency.
Resumen de: US2025229405A1
An interface for a battery pack and an electrical combination. The interface may include a battery-receiving portion configured to receive a battery pack and including a cavity. The cavity is defined by a pair of sidewalls with rails defining a groove between the rails and a lower surface of the cavity. The rails are stepped or angled along a battery insertion axis and are configured to guide the sliding engagement of a battery pack within the battery-receiving portion.
Resumen de: US2025229407A1
An interface for a battery pack and an electrical combination. The interface may include a battery-receiving portion configured to receive a battery pack and including a cavity. The cavity is defined by a pair of sidewalls with rails defining a groove between the rails and a lower surface of the cavity. The rails are stepped or angled along a battery insertion axis and are configured to guide the sliding engagement of a battery pack within the battery-receiving portion.
Resumen de: US2025230050A1
Embodiments described herein relate to anode particles produced in part from discarded graphite particles, and methods of producing the same. In some aspects, a method of forming carbon-coated anode particles can include mixing a first plurality of particles, a second plurality of particles, and a plurality of graphene particles to form a dry powder, the first plurality of graphite particles including particles rejected from a graphite spheronization process, the second plurality of graphite particles including particles rejected from a graphite micronization process, mixing the dry powder with water and a carbon-containing liquid to form a slurry, spray-drying the slurry to form an agglomerated mix, and heating the agglomerated mix to form carbon-coated anode particles. In some embodiments, the spray-drying includes atomizing the slurry to form droplets. In some embodiments, the spray-drying can include heating the droplets in a heated chamber to form dried particles.
Resumen de: US2025230046A1
A method for preparing lithium iron phosphate includes: mixing iron phosphate, a lithium source, a carbon source, a dispersant, and a solvent to make a precursor slurry; sintering the precursor slurry to make lithium iron phosphate, where the dispersant includes an ammonium salt compound represented by Formula (1), in which R1 is a carbon-containing organic group.
Resumen de: US2025233212A1
A battery cell includes a housing, wherein the housing includes a first wall, the first wall includes an inner surface and an outer surface that are arranged oppositely, and a first through-hole penetrating the inner surface and the outer surface; an electrode terminal, at least partially threaded through the first through-hole; a sealing component, configured to seal a gap between the electrode terminal and the first wall; a connecting piece, arranged outside the battery cell and connected to the electrode terminal; a first insulating member, at least partially arranged between the connecting piece and the first wall to separate the connecting piece from the first wall; and a flow-guiding channel, formed between the first insulating member and the first wall, wherein the flow-guiding channel is in communication with the first through-hole.
Resumen de: US2025233211A1
A disclosed all-solid-state battery may include a laminate that has a first surface and a second surface facing each other in a first direction, a third surface and a fourth surface face each other in a second direction and coupling the first surface and the second surface, and a fifth surface and a sixth surface facing each other in a third direction and coupling the first surface and the second surface, and includes solid electrolyte layers, and anode layers and cathode layers that are alternately stacked in the third direction with the solid electrolyte layers interposed therebetween, and a margin member that is disposed on the third surface, the fourth surface, the fifth surface, and the sixth surface of the laminate.
Resumen de: US2025233198A1
The present disclosure relates to a solid electrolyte that is a composite including a first glass ceramic compound and a second glass ceramic compound. The first glass ceramic compound includes a Na super-ionic conductor (NASICON) structure compound or a garnet structure compound. The second glass ceramic compound includes Li, B, O, and halogen elements, and at least one of Ga, Zn, Mg, Al, Ge, Si, Ti, P, and Bi.
Resumen de: US2025233208A1
An electrolyte composition for a battery includes a lithium salt dissolved in an organic solvent; and 0.01 to less than 1 weight percent of lithium 4,5-dicyano-2-(trifluoromethyl)imidazolide, lithium 4,5-dicyano-2-(pentafluoroethyl)imidazolide lithium 4,5-dicyano-2-(n-heptafluoropropyl)imidazolide), or a combination thereof, based on a total weight of the electrolyte composition.
Resumen de: US2025233209A1
A battery comprising a compound of formula (I): (I) wherein X is Al or B; R1 in ach occurrence is independently a substituent; and two R1 groups may be linked to form a ring; and M+ is a cation, and wherein the battery further comprises a solvent wherein a ratio of solvent molecules: M+ ions is no more than 10:1. The battery may be a metal battery, e.g. a lithium battery.
Resumen de: US2025233192A1
The present specification relates to an electrode assembly, in which a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode are stacked and wound, a secondary battery including the same, a battery pack, and a transportation means.
Resumen de: WO2025150228A1
Provided is a secondary battery state determination device with which it is possible to determine the battery interior state from a total of one measurement on a secondary battery. The present invention is characterized by being provided with: a database in which are recorded relaxation spectra measured with respect to a plurality of secondary batteries, and the names of positive-electrode and negative-electrode active materials used in electrodes of the secondary batteries; a measurement unit that measures time-series data of a secondary battery being diagnosed; a calculation unit that calculates, from the time-series data measured by the measurement unit, the relaxation spectrum of the secondary battery being diagnosed; a comparison unit that acquires, from the database, the relaxation spectrum of a secondary battery matching the names of active materials used in the secondary battery being diagnosed, and compares the acquired relaxation spectrum with the relaxation spectrum calculated by the calculation unit; and a determination unit that, on the basis of the result of the comparison performed by the comparison unit, determines whether an abnormality has occurred in the secondary battery being diagnosed.
Resumen de: WO2025150443A1
An acquisition unit (341) acquires time-series data of the voltages of a plurality of single cells connected in series or a plurality of parallel cells in a state where an assembled battery system (31) is charged to a target voltage or in a state where either the single cells connected in series or the parallel cells are charged to the target voltage. A determination unit (342) determines that a micro short circuit has occurred in a single cell or parallel cell of which the voltage is transitioning in a decreasing direction after having been charged to the acquired target voltage.
Resumen de: WO2025150422A1
An SOH calculating unit calculates a plurality of states of health (SOH) of a secondary battery on the basis of an SOC difference between two points obtained by referring to battery data, and an electric current integrated value. A deterioration prediction formula generating unit performs curve regression on the plurality of calculated SOHs to generate a deterioration prediction formula (SOH=m+K×Xf) for the secondary battery. On the basis of actual or predicted battery data of the secondary battery after the start of an (n+1)th use, and deterioration characteristics of the secondary battery, a deterioration rate statistical value calculating unit calculates a statistical value of the rate of deterioration during the (n +1)th use of the secondary battery. The deterioration prediction formula generating unit corrects the rate of deterioration in the deterioration prediction formula during the n-th use of the secondary battery on the basis of the ratio between the statistical value of the rate of deterioration during the n-th use, calculated from the deterioration characteristics of the secondary battery, and the statistical value of the rate of deterioration during the (n+1)th use, calculated from the deterioration characteristics, to generate the deterioration prediction formula during the (n+1)th use.
Resumen de: WO2025148167A1
The present invention relates to the technical field of cylindrical batteries, and in particular to a post terminal end assembling method for a cylindrical battery. The specific steps are as follows: step 1, laser-welding a special-shaped screw at the central position of a current collector plate, so as to form a composite current collector plate; step 2, laser-welding the current collector plate to a tab of a jelly roll; step 3, snap-fastening an insulating piece above the current collector plate; step 4, snap-fastening a housing with an opening facing downward above the insulating piece and the jelly roll, wherein the special-shaped screw penetrates upwardly through a special-shaped hole and extends to the outside of the top of the housing; step 5, compositing a nut with a nut sealing gasket to form a composite nut; step 6, mounting the composite nut onto the special-shaped screw by means of rotation; and step 7, using laser to weld and fix the threaded engagement part of the nut and the special-shaped screw from above. Positioning requirements during an assembling process are met, and a good electrical connection can also be ensured, such that the pass rate of a machining process is significantly improved; in addition, the internal space of a cylindrical battery is fully saved on, the material of a nut can be flexibly selected for a pack application end, and the compatibility of a production line is high.
Resumen de: WO2025148081A1
A high-nickel positive electrode material, a secondary battery and an electric device. The positive electrode material satisfies: 20≤A*B≤50, wherein A is a mixed occupancy ratio of lithium atoms and nickel atoms in the positive electrode material, and B is the average number of primary particles per square micron cross-section of secondary particles with a particle diameter of 5-15 μm in the positive electrode material. In a product to which the positive electrode material is applied, primary particles in secondary particles are protected from the risk of squeezing breakage caused by an excessively dense arrangement thereof, and a sufficient transmission space for lithium ion deintercalation can also be provided; in addition, the problem of lithium deposition caused by mixed arrangement of lithium and nickel is avoided during charging and discharging. Thus, the product has ideal charging and discharging activity and cycling stability.
Resumen de: WO2025148227A1
Provided in the present application are a pipeline connecting structure, a heat management assembly and a battery pack. The pipeline connecting structure comprises a first pipe joint, a second pipe joint and a limiting structure, wherein the second pipe joint is plugged in the first pipe joint, and a first fitting structure is provided on an outer surface of the second pipe joint; one end of the limiting structure is connected to the first pipe joint, and a second fitting structure is provided at the other end of the limiting structure; and the second fitting structure stops and fits with the first fitting structure, and the second fitting structure is in clearance fit with the first fitting structure.
Resumen de: US2025230059A1
The present disclosure provides the methods for preparing nickel-rich hydroxide precursor material and nickel-rich oxide cathode material having a homogeneous structure with an element concentration-gradient distribution by utilizing a continuous Taylor-flow reactor, comprising: (1) preparing an aqueous solution A with metal ion raw materials dissolved therein, an aqueous solution B with a manganese source dissolved therein, an aqueous solution C with a precipitant dissolved therein, and an aqueous solution D with a chelating agent dissolved therein; feeding the aqueous solution A, the aqueous solution C and the aqueous solution D into the continuous Taylor-flow reactor to perform a first co-precipitation reaction; (2) feeding the aqueous solution B into the continuous Taylor-flow reactor to perform a second co-precipitation reaction; (3) washing the precipitate obtained from the second co-precipitation reaction and putting the precipitate into an oven to dry the precipitate to fabricate the nickel-rich hydroxide precursor material. The nickel-rich hydroxide precursor material prepared with the method of the present disclosure exhibiting an element gradient distribution with the nickel-rich inner layer and the manganese-rich outer layer may reduce the diffusion impedance of the lithium ions and increase their migration paths, and the nickel-rich oxide cathode material prepared from the nickel-rich hydroxide precursor material may increase the electrochemical performances and
Resumen de: US2025230054A1
An object of the present disclosure is to provide a negative electrode active material for a fluoride-ion battery capable of improving battery capacity, and a method for manufacturing thereof. The negative electrode active material for a fluoride-ion battery of the present disclosure is represented by the following formula (1): Mg1−xMIIIxF2+x (1), wherein, MIII is a trivalent metal, and x is greater than 0 and less than 0.5. The method for the present disclosure for manufacturing a negative electrode active material comprises the following steps: providing raw materials comprising a magnesium fluoride and a fluoride of the trivalent metal, and applying mechanical impact to the raw materials to cause them to react.
Resumen de: US2025230057A1
A method for treating a manganese-copper mixed solution is disclosed, including the following steps: adjusting a pH value of the manganese-copper mixed solution to 6.5 to 7 to obtain a solution defined as a first solution; adding an oxidant into the first solution to obtain a solution defined as a second solution, where the oxidant reacts with Mn2+ at a pH value of 6.5 to 7 to generate MnO2; and collecting a first precipitate. This method is time-saving in separating manganese ions, and can recover high-purity manganese ions. The recovered waste liquid is treated by a simple method and causes little pollution to the environment.
Resumen de: US2025230052A1
A silicon-based negative electrode active material, a method for preparing the silicon-based negative electrode active material, and a secondary battery including a negative electrode that includes the silicon-based negative electrode active material. The silicon-based negative electrode active material includes a silicate. The silicate contains an alkaline earth metal element, and the silicon-based negative electrode active material contains both the element K and the element Fe.
Resumen de: US2025233206A1
A non-aqueous electrolyte solution having improved capacity deterioration and gas generation associated with the high-temperature storage of non-aqueous electrolyte batteries, is provided. The non-aqueous electrolyte contains an electrolyte, a non-aqueous solvent, a compound having at least two isocyanate groups per molecule and from 0.01 mass % to 1.5 mass % relative to the total mass of the electrolyte solution of a compound of formula (7):M1aM2(C2O4)bRcd (7),wherein n is an integer from 0 to 4.
Resumen de: US2025233141A1
The disclosure relates to a lithium-silicon-carbon composite material, especially formed as a surface-coated lithium-silicon-carbon composite material, comprising a porous carbon scaffold comprising micropores and mesopores and a total pore volume no less than 0.5 cm3/g; a silicon content from 30% to 70%, including 30% and 70%; a Li content from 2% to 20%, including 2% and 20%; and an at least partly applied first surface coating layer forming a surface coating on a surface area of the lithium-silicon-carbon composite comprising one or multiple elements of Li, B, Al, Si, P, Ti, Zr, Nb and/or W.
Resumen de: US2025233155A1
A negative electrode includes: a negative electrode current collector; and a negative electrode active material layer, wherein the negative electrode active material layer includes a first active material, a second active material, an ion conductive polymer, and a conductive material, and the negative electrode active material layer has a structure provided with a void around the first active material.
Resumen de: US2025233137A1
A negative electrode includes a negative current collector, a first negative active material layer and a second negative active material layer. The first negative active material layer is arranged on one side of a first portion of the negative current collector, and the second negative active material layers are arranged on two sides of a second portion, different from the first portion, of the negative current collector. A ratio of a weight per unit area of the first negative active material layer to a weight per unit area of the second negative active material layer on the negative current collector is 0.47 to 0.52, and a ratio of a compacted density of the first negative active material layer to a compacted density of the second negative active material layer is 0.9 to 1.1.
Resumen de: US2025233129A1
A cathode active material for a lithium secondary battery includes first lithium metal phosphate particles, second lithium metal phosphate particles having an average particle diameter (D50) smaller than an average particle diameter (D50) of the first lithium metal phosphate particles and including manganese, and lithium-transition metal oxide particles having an average particle diameter (D50) larger than the average particle diameter (D50) of the first lithium metal phosphate particles and including nickel. A secondary battery include the cathode active material for a lithium secondary battery.
Resumen de: WO2025150367A1
This power supply device is provided with: a plurality of battery packs (10) that are connected in parallel to a piece of external equipment (2); and a control device (9) that communicates with the plurality of battery packs. Each battery pack comprises: a plurality of battery cells (11a, 11b); and a monitoring device (13) that detects the state of the battery cells and controls an electrical connection with the external equipment in accordance with the state of the battery, in cooperation with the control device. The monitoring device grasps a subject number, which is the number of subject battery packs (10d), the subject battery packs being the battery packs that are electrically connected to the external equipment after control is performed. In accordance with the subject number, subject monitoring devices (13d), which are the monitoring devices included in the subject battery packs, each determine a fail-safe for a case in which an abnormality subsequently occurs in the battery cells included in the subject battery pack.
Resumen de: WO2025150323A1
According to the present invention, an MCU (100) of a module interface (MI/F) receives a cell voltage detection signal from a cell monitoring unit (CMU) and transmits a charge-limiting signal for limiting the charge power of a string to an MCU (101) of a power converter (PCS) if the cell voltage is equal to or higher than an upper threshold. The MCU (101) controls the power converter (PCS) to make the charge power of the string approach a designated charge power value while a control signal is received from a string controller (SC) but the charge-limiting signal is not received from the MCU (100), and controls the power converter to make the charge power of the string approach the designated charge power value while the control signal is received from the string controller (SC) and the charge-limiting signal is received from the MCU (100).
Resumen de: WO2025150112A1
Provided is a technology for improving the usefulness of a lithium secondary battery. A secondary battery Ba according to one aspect of the present disclosure includes: a first electrode sheet (a clad electrode 1); and a second electrode sheet (a single metal layer electrode 2) which has the same polarity as that of the first electrode sheet (the clad electrode 1). The first electrode sheet (the clad electrode 1) includes a first current collector (a clad current collector 10) which has a resin layer 100 and a pair of metal layers 102a, 102b that are provided on both surfaces of the resin layer 100, and which has a first end part (a clad end part 120) where the pair of metal layers 102a, 102b are exposed. The second electrode sheet (the single metal layer electrode 2) includes a second current collector (a single layer current collector 20) which includes a metal and does not include the resin layer 100, and which has a second end part (a single layer end part 220) where the metal is exposed. The first end part (the clad end part 120) and the second end part (the single layer end part 220) are stacked and joined to each other.
Resumen de: WO2025148154A1
Provided are a coating die and a coating device. The coating die comprises a die body (10) and a pressure regulating component (20). The die body is provided with a feed port (K1) and a discharge port (K2) which are arranged opposite each other, and comprises a first accommodating cavity (11) and a second accommodating cavity (12) which are in communication with each other, the first accommodating cavity being located on the side of the second accommodating cavity close to the feed port in a first direction (X) and being in communication with the feed port, and the second accommodating cavity being in communication with the discharge port. The pressure regulating component is accommodated in the second accommodating cavity, and comprises a plurality of pressure regulating plates (21) arranged at intervals in a second direction (Y) to form pressure control flow channels (22). The coating die and the coating device can improve the slurry coating uniformity during a coating process.
Resumen de: WO2025148159A1
Disclosed is a battery. The battery comprises a rechargeable core, a circuit board, and a metal sleeve housing. The rechargeable core is mounted in the metal sleeve housing by means of an opening in an upper end of the metal sleeve housing, the circuit board is disposed above the rechargeable core, and the circuit board is electrically connected to the metal sleeve housing. The circuit board comprises a substrate and a charging connection end, and the rechargeable core is electrically connected to the substrate. The metal sleeve housing is provided with a notch portion, and a USB charging seat is installed in the notch part, the USB charging base being electrically connected to the charging connection end. The substrate is provided with a charging and discharging circuit, and a temperature control element, the temperature control element being able to actively stop charging and discharging when thermal runaway occurs in a charging and discharging process. The substrate of the present utility model is provided with the temperature control element, and the temperature control element can actively stop charging and discharging when thermal runaway occurs in a charging and discharging process, thereby ensuring the safety of the battery.
Resumen de: WO2025148106A1
A non-woven fabric composite membrane material, and a preparation method therefor and a use thereof. The non-woven fabric composite membrane material has a three-dimensional network structure, and the membrane material is composed of ultra-long carbon nanotubes and a high polymer membrane, wherein the ultra-long carbon nanotubes are loaded on the fiber surface of the high polymer membrane, and/or a self-supporting network formed by the ultra-long carbon nanotubes is deposited in pores of the high polymer membrane. The ultra-long carbon nanotubes and polyolefin are prepared into a composite membrane material by means of an in-situ composite non-woven fabric processing technology as a lithium battery separator, and by means of excellent conductivity, mechanical properties and thermal stability of the carbon nanotubes, the composite membrane material effectively inhibits the heat shrinkage of polyolefin separators and increases the separator breaking temperature while improving the ion transport properties, thereby improving the mechanical properties of polyolefin fiber membranes and the holding capacity of polyolefin fiber membranes in an electrolyte, and improving the safety and the power density of electric vehicles.
Resumen de: US2025229672A1
Provided are a control method for a battery heating system, a battery heating system, and an electric vehicle. The battery heating system includes a supercapacitor and a pulse control unit. The control method includes: obtaining a temperature value and an SOC value of a power battery; and issuing a heating instruction to the pulse control unit when the temperature value is lower than a predetermined temperature threshold and the SOC value is higher than a predetermined charge threshold, to allow the pulse control unit to control, based on the heating instruction, bi-directional energy flow between the power battery and the supercapacitor by means of a pulse current, to heat the power battery.
Resumen de: US2025229650A1
The invention relates to an electrically operated vehicle containing an electrically rechargeable vehicle battery for supplying an electric drive for moving the vehicle; a tank for receiving a liquid or gaseous fuel; and a fuel cell which is operated using fuel from the tank for heating a passenger compartment, vehicle components, and/or the battery of the vehicle. The invention is characterized in that the tank and the fuel cell form modules with which the vehicle is retrofitted.
Resumen de: US2025229636A1
A method and apparatus for diagnosing battery abnormality of an ecofriendly vehicle may include incrementing a count value based on a cell balancing starting voltage deviation which is a voltage deviation of a plurality of cells forming a battery module of the vehicle when a cell balancing mode for adjusting the voltage deviation of the plurality of cells starts and a cell balancing ending voltage deviation which is a voltage deviation of the plurality of cells when the cell balancing mode ends, storing the count value and the identifier or the identification number of the cell having the minimum voltage among the plurality of cells, and detecting cell abnormality based on the count value and the identifier or the identification number of the cell having the minimum voltage.
Resumen de: US2025229593A1
A thermal management system includes a first loop and a second loop, where a cooler core on the first loop gets a coolant output from a first heat exchange pipe, one end of the first loop is connected to a first end of the valve body assembly, and the other end of the first loop is connected to a second end of the valve body assembly. A battery, a second water pump, a first valve body, and a second valve body are disposed on the second loop. One end of the second loop is connected to a third end of the valve body assembly, and the other end of the second loop is connected to a fourth end of the valve body assembly.
Resumen de: US2025229620A1
A power storage device is a power storage device provided on a lower surface of a floor panel of a vehicle, the power storage device including: a housing case; a power storage module housed in the housing case; and a cooler housed in the housing case to cool the power storage module, wherein the housing case includes a bottom plate, a refrigerant passage through which a refrigerant flows is formed in a portion of the housing case, the portion being located above the bottom plate, and the refrigerant passage is connected to the cooler.
Resumen de: US2025233156A1
An electrode assembly of a secondary battery includes an anode electrode plate, the anode electrode plate includes an anode current collector and an anode active material layer, and the anode active material layer includes an anode active material. A first surface of the anode active material layer has been subjected to a lithium supplementing process treatment, and an active lithium is formed during a formation process of the anode electrode plate. A recessed portion provided in the first surface can serve as a lithium-ion transport channel.
Resumen de: US2025233138A1
Provided herein are electrode composite materials comprising a plurality of particles comprising tin (Sn), where at least some of the plurality of particles has an average particle diameter of from about 1 μm to about 200 μm. Electrodes and batteries incorporating the compounds, compositions, and composite materials are disclosed. Methods of manufacturing the compounds, compositions, and composite materials are also disclosed.
Resumen de: US2025233210A1
A compound of formula (I): Core is a core group; X is Al or B; R1 in each occurrence is independently a substituent and two R1 groups may be linked to form a ring; L is a linking group; M+ is a cation; and n is at least 2. The compound may be used in a battery, e.g. a metal battery.
Resumen de: US2025233135A1
A battery cell includes A anode electrodes, wherein each of the A anode electrodes includes a porous anode current collector and an active material layer comprising silicon deposited using physical vapor deposition (PVD) onto the porous anode current collector. The battery cell includes C cathode electrodes including a cathode current collector and a cathode active material layer arranged on the cathode current collector and S separators, where A, C and S are integers greater than one.
Resumen de: AU2023421725A1
A battery system control apparatus, according to an embodiment disclosed in the present document, comprises: a communication circuit that can communicate with a network switch through which one or more battery management systems (BMSs) are connected to a network; and a processor, wherein the processor may transmit, through the communication circuit, a confirmation signal to internal IP addresses assignable by the network switch, receive, through the communication circuit, a response signal to the confirmation signal from at least one internal IP address among the assignable internal IP addresses, and assign, to designated identification information, a medium access control (MAC) address of a BMS included in the response signal, so as to generate a MAC address-identification information table.
Resumen de: AU2023420189A1
An electrical connection assembly, a battery assembly and a vehicle. The electrical connection assembly comprises an electrical connector and an insulating member, wherein the electrical connector is used for connecting a plurality of battery cells; and the insulating member is arranged on the electrical connector and protrudes out of the side of the electrical connector away from the battery cells.
Resumen de: AU2023403482A1
The present application provides a communication connector, and an energy storage battery system and a terminal resistor matching method therefor. Upon detecting that the input ends of communication connectors are connected to corresponding battery clusters, one communication connector controls the next communication connector in a linkage mode to enable the next communication connector to be disconnected from a terminal resistor of a corresponding battery cluster, and the arrangement sequence of the communication connectors is the same as the sequence that the input ends of the communication connectors are connected to the corresponding battery clusters, and therefore, when a plurality of battery clusters in an energy storage battery system all establish communication with a PCS, the terminal resistors of other battery clusters than a battery cluster corresponding to a first communication connector are disconnected, so that the normal communication between the energy storage battery system and the PCS is ensured. Additionally, since a residential energy storage battery system is also an energy storage battery system, the communication method of the energy storage battery system provided by the present application can ensure the normal communication between the residential energy storage battery system and a PCS when a plurality of battery clusters in the residential energy storage battery system all establish communication with the PCS.
Resumen de: AU2024206311A1
According to an aspect, the present disclosure provides a method of recycling batteries. The method may comprise loading a battery into a processing system before pre-conditioning the battery and processing system, then shredding the battery under a vacuum condition and recovering a solvent chemical.
Resumen de: WO2025148306A1
The present application is applicable to the technical field of battery production devices, and provides a winding device and a battery manufacturing device. The winding device (100) comprises: a compounding mechanism (10) used for unwinding a first electrode sheet (210), a first separator (220), and a second electrode sheet (230), and pressing the first electrode sheet (210), the first separator (220), and the second electrode sheet (230) to form a compounding sheet (250); a separator unwinding mechanism (20) used for unwinding a second separator (240); and a winding mechanism (30) provided on a discharge side of the compounding mechanism (10), the winding mechanism (30) being used for winding the compounding sheet (250) and the second separator (240) to form an electrode assembly (200). The winding device provided by the embodiments of the present application has reasonable layout, and the problem of the crowded space above the winding mechanism is solved.
Resumen de: WO2025148418A1
A positive pole piece and a preparation method therefor, and a secondary battery. The positive pole piece comprises a current collector and a positive electrode active layer. The positive electrode active layer is arranged on at least one surface of the current collector. The positive electrode active layer comprises a first positive electrode active layer at least formed on the current collector, and a second positive electrode active layer formed on the side of the first positive electrode active layer away from the current collector. The first positive electrode active layer comprises lithium iron phosphate particles, and the second positive electrode active layer comprises lithium nickel cobalt manganate particles; or, the first positive electrode active layer comprises lithium nickel cobalt manganate particles, and the second positive electrode active layer comprises lithium iron phosphate particles. The primary average particle size of the lithium iron phosphate particles is 500-3000 nm, and the specific surface area BET of the lithium iron phosphate particles is 3m 2/g-8m 2/g. The positive pole piece can reduce gas production when coating the upper and lower layers of the lithium iron phosphate particles and the lithium nickel cobalt manganate particles, and also has good gram capacity.
Resumen de: WO2025148350A1
An explosion-proof valve (100) and a battery pack (200). When thermal runaway occurs in the battery pack (200), a part of a gas flow formed by a thermal runaway gas can be discharged through a gas discharge channel (13), and the other part thereof enters a chamber (33) of a sound production portion (30) through a gas inlet (34) and flows back after reaching a first end (31). The backflow gas is blocked and reflected by a blocking portion (38) at the gas inlet (34). A part of the gas flow in the chamber (33) may be discharged to the outside of the chamber (33), and the gas flow in the chamber (33) vibrates and continuously produces sound, thereby achieving the aim of raising a thermal runaway alarm, and avoiding the occurrence of safety risks.
Resumen de: US2025233232A1
A battery pack assembly includes a frame, a composite cold plate and at least one battery cell. The frame includes a tray and exhaust channels communicated with the outside and arranged on two opposite sides of the tray. The composite cold plate is arranged on the tray. The composite cold plate includes a flow passage plate, and a concave rib-convex rib structure is formed on the surface of the flow passage plate. A concave rib is arranged between every two adjacent convex ribs. Cold plate flow passages are defined by concave ribs and the tray, and are communicated with the exhaust channels. The battery cell is arranged on the composite cold plate. Poles of the battery cell face the composite cold plate. A first explosion-proof valve is provided on the side of the battery cell facing the composite cold plate, and is communicated with the cold plate flow passages.
Resumen de: US2025233268A1
An electrode assembly includes a positive electrode plate, a separation member, and a negative electrode plate, where the separation member is disposed between the positive electrode plate and the negative electrode plate, and at least one of the positive electrode plate, the negative electrode plate, and the separation member is provided with a groove on a surface.
Resumen de: US2025233267A1
A cylindrical secondary battery of one embodiment of the present disclosure comprises: an electrode body in which a positive electrode and a negative electrode are wound with a separator therebetween; an electrolytic solution; and a cylindrical housing that accommodates the electrode body and the electrolytic solution. A plurality of linear insulators extend in the short-direction of the separator and are disposed between the separator and at least one of the positive electrode and the negative electrode. The insulators do not overlap each other in the radial direction of the electrode body.
Resumen de: US2025233262A1
A battery module includes a cell assembly including a plurality of battery cells stacked, a module case accommodating the cell assembly, and a busbar assembly coupled to the module case and electrically connected to the plurality of battery cells, wherein the cell assembly includes an interrupt member configured to cover a portion of the plurality of battery cells to prevent thermal propagation to adjacent battery cells in a stack direction of the plurality of battery cells upon an occurrence of a thermal event in at least one battery cell.
Resumen de: US2025233263A1
This application provides a separator, a preparation method thereof, and a secondary battery and an electric apparatus related thereto. The separator includes a substrate and a coating disposed on at least one surface of the substrate. The coating includes organosilicon particles, where a particle size by volume Dv90 of the organosilicon particles satisfies 0
Resumen de: US2025233196A1
A cell includes a jellyroll A and a jellyroll B. The jellyroll A is formed by laminating a first positive-electrode sheet, a separator, a negative-electrode sheet, and another separator sequentially; the jellyroll B comprises a first portion of laminates and a second portion of laminates laminated on the first portion of laminates. The first portion of laminates is formed by laminating a first positive-electrode sheet, a separator, a negative-electrode sheet, and another separator sequentially; the second portion of laminates is formed by laminating a ternary positive-electrode sheet, a separator, a negative-electrode sheet, and another separator sequentially.
Resumen de: US2025233195A1
A secondary lithium-ion cell includes an anode having a negative electrode material and a current collector with a strip-shaped main region loaded with a layer of the negative electrode material and a free edge strip not loaded with the negative electrode material. The cell further includes a cathode having a positive electrode material and a current collector with a strip-shaped main region loaded with a layer of the positive electrode material and a free edge strip that is not loaded with the positive electrode material. The cell additionally includes a sheet metal member contacting one of the free edge strips. The anode and the cathode are provided in an electrode-separator assembly with a sequence anode/separator/cathode, the electrode-separator assembly forming a coil with two terminal end faces enclosed in a housing. The negative electrode includes lithium titanate (LTO), and the positive electrode includes lithium manganese oxide (LMO).
Resumen de: US2025233189A1
A jig configured to support an electrode which is transported along a first direction, in which the electrode includes a coated portion coated with an electrode active material and an uncoated portion not coated with the electrode active material, includes a first support portion configured to support an area corresponding to the uncoated portion of the electrode, the first support portion including a laser receiving portion at a location corresponding to an irradiation area of a laser for cutting the uncoated portion; and a second support portion configured to support an area corresponding to the coated portion of the electrode.
Resumen de: US2025233179A1
The control device of the fuel cell system performs a first operation of charging the battery with the generated electric power while supplying air to the fuel cell when the target value of the generated electric power of the fuel cell is higher than the current value of the generated electric power, and performs a second operation of charging the battery with the generated electric power of the fuel cell while supplying the air with the lower flow rate than the first operation when the target value of the generated electric power is lower than the current value of the generated electric power. When an amount of charge in the battery is larger than a reference amount of charge, perform a power supply stop operation of stopping power supply from the fuel cell to the battery.
Resumen de: US2025233203A1
A solid-state battery includes a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer, in this order, in which: the positive electrode active material layer, the solid electrolyte layer, and the negative electrode active material layer contain moisture; and the moisture amount of the positive electrode active material layer is 100 ppm to 350 ppm, the moisture amount of the solid electrolyte layer is 500 ppm to 1400 ppm, and the moisture amount of the negative electrode active material layer is 400 ppm to 1200 ppm, and/or the hydroxyl group standard value of the positive electrode active material layer is 0.63 to 0.71, the hydroxyl group standard value of the solid electrolyte layer is 0.61 to 0.85, and the hydroxyl group standard value of the negative electrode active material layer is 0.66 to 2.85.
Resumen de: AU2024202777A1
CP0024-AU-0120 - 20 - A method and apparatus for correcting a capacity of a battery module and a computer device are provided. The method includes: obtaining a discharge voltage value of the battery module; determining the discharge voltage value as an initial voltage indicator if it is within a 5 dynamic voltage range of fully discharging; obtaining an initial charging capacity corresponding to the initial voltage indicator; obtaining a charging voltage value; determining the charging voltage value as a final voltage indicator if it is within a dynamic voltage range of fully charging; obtaining a final charging capacity corresponding to the final voltage indicator; determining a total capacity based on the initial and final charging capacity; and 10 correcting the capacity based on the total capacity to obtain a corrected capacity of the battery module. This method ensures the consistency of the capacity of each module in the system and improves the user experience. CP0024-AU-0120 A method and apparatus for correcting a capacity of a battery module and a computer device are provided. The method includes: obtaining a discharge voltage value of the battery 5 module; determining the discharge voltage value as an initial voltage indicator if it is within a dynamic voltage range of fully discharging; obtaining an initial charging capacity corresponding to the initial voltage indicator; obtaining a charging voltage value; determining the charging voltage value as a final voltage i
Resumen de: AU2023410638A1
A battery assembly is provided, comprising a battery pack comprising an outer battery pack casing and a base electrical connector; and a service box. The service box comprises an outer service box casing, an intermediate electrical connector and an end electrical connector. The intermediate electrical connector is electrically coupled to the end electrical connector, and the intermediate electrical connector and the base electrical connector are configured to reversibly connect to each other. The battery pack casing is releasably attached to the service box casing to form a single unit in which the base electrical connector is connected to the intermediate electrical connector, and the end electrical connector is externally exposed to allow the battery pack to electrically couple to an external device via the service box. The end electrical connector is mounted to the service box casing such that the end electrical connector can move relative to the service box casing in a direction substantially perpendicular to the connecting direction of the end electrical connector. A battery exchange system is provided, comprising the battery assembly and an external device comprising a battery compartment configured to removably receive the battery assembly. The battery compartment comprises a compartment electrical connector configured to reversibly connect to the end electrical connector of the battery assembly to electrically couple the battery assembly to the external device. A stor
Resumen de: AU2023390971A1
This disclosure pertains to an advanced device for determining physical properties of an electrolysis cell. The device features an innovative energy harvesting mechanism, adeptly configured for secure attachment around an anode rod or busbar of the cell. Equipped with at least one sensor, the device accurately measures vital cell properties. Additionally, it includes a wireless transceiver unit for efficient data communication. A key aspect of this invention is the use of distributed computing capabilities, enabling sophisticated analysis and real-time data processing from the sensors. This enhances measurement precision and contributes to a deeper understanding and optimization of the electrolysis process. The integration of energy harvesting, precise measurement, and distributed computing represents a holistic approach to monitoring and analyzing electrolysis cells, signifying a notable advancement in the field.
Resumen de: WO2025148345A1
The present application relates to a curing device, a current collector processing apparatus and a battery production system. The curing device comprises a baking oven, a compression mechanism and a negative pressure mechanism. The baking oven is used for baking a composite current collector; the compression mechanism is located in the baking oven, and is used for compressing the composite current collector in the direction of thickness thereof; and the negative pressure mechanism is used for creating a negative-pressure environment inside the baking oven. In the curing device, the compression mechanism is arranged in the baking oven, and the negative pressure mechanism is used to vacuumize the baking oven, such that the composite current collector is also synchronously subjected to a negative-pressure action inside the baking oven while being compressed. In this way, during a baking and curing process, residual gas in the composite current collector can be more easily released under the synchronous action of compression and negative pressure, such that the internal porosity is reduced, the internal structure of the composite current collector is more compact, and the binding force of the internal structure is improved, thus facilitating improvement in the use performance of a battery.
Resumen de: WO2025148293A1
The present application belongs to the technical field of batteries. Provided are a control system and method for battery cell welding using an adapter piece. The control system comprises: a first feeding apparatus, which is used for conveying a first top cover to a first pick-up position; a second feeding apparatus, which is used for conveying a second top cover to the first pick-up position during the process of the first feeding apparatus returning to a feeding position; a third feeding apparatus, which is used for conveying a first battery cell and a second battery cell to a second pick-up position; a conveying apparatus, which is used for conveying the first top cover, the second top cover, the first battery cell and the second battery cell to a welding apparatus; and the welding apparatus, which is used for welding the first top cover to the first battery cell and welding the second top cover to the second battery cell. In the present application, the control system realizes uninterrupted continuous feeding by means of two groups of feeding apparatuses, thereby shortening the waiting time for the feeding of top covers, and increasing the efficiency of a production line.
Resumen de: WO2025148278A1
A secondary battery, comprising: a positive electrode piece, a negative electrode piece, a separator arranged between the positive electrode piece and the negative electrode piece, and an electrolyte comprising an electrolyte salt and a solvent; the positive electrode piece comprises a positive current collector and a positive film layer arranged on at least one surface of the positive current collector; the positive electrode film layer comprises first particles, the first particles comprising first manganese iron phosphate particles, the primary average particle size s1 of the first particles being 120-600 nm, and the manganese dissolution amount of the secondary battery being ≤50 ppm.
Resumen de: US2025233269A1
A secondary battery includes a first electrode assembly including a first positive electrode plate including a first positive electrode active material layer thereon, the first positive electrode active material layer including a first positive electrode active material, a first negative electrode plate facing the first positive electrode plate, and a first separator between the first positive electrode plate and the first negative electrode plate; a second electrode assembly including a second positive electrode plate including a second positive electrode active material layer thereon, the second positive electrode active material layer including a second positive electrode active material different from the first positive electrode active material, a second negative electrode plate facing the second positive electrode plate, and a second separator between the second positive electrode plate and the second negative electrode plate; and an assembly separator separating the first electrode assembly and the second electrode assembly from each other.
Resumen de: US2025233259A1
A secondary battery includes a case that accommodates an electrode assembly; a cap plate sealing an opening of the case and including a first exhaust hole, and having a first polarity; an insulating member disposed on a lower portion of the cap plate and including a second exhaust hole with a larger diameter than the first exhaust hole, and positioned to correspond to the first exhaust hole; a current collecting member disposed on a lower portion of the insulating member and electrically connected to the electrode assembly, and having a second polarity different from the first polarity; a guide member disposed in a lower portion of the second exhaust hole and electrically connected to the current collecting member; and a short-circuit member including a conductive material and disposed in the guide member to move to come into contact with the cap plate in response to pressure generated within the case.
Resumen de: US2025233279A1
A battery module and a battery pack are provided. A battery module, includes a housing, comprising a bottom plate, side plates, a top plate, and end plates, wherein the top plate is fixedly connected to the bottom plate, the side plates, and the end plates sequentially to enclose and form a containing cavity; a fixing bracket located in the containing cavity and mounted on the bottom plate; a battery cell stack, comprising cylindrical battery cells arranged in a plurality of rows, wherein a top portion of each of the cylindrical battery cells is provided with an electrode terminalcell; a cell contact system (CCS) component, disposed on a side of the battery cell stack close to the top plate, and electrically connected to the electrode terminals of the cylindrical battery cells; and a serpentine cooling plate disposed between two rows of cylindrical battery cells.
Resumen de: US2025233265A1
The present disclosure relates to a separator for secondary batteries, the separator including: a porous substrate layer; and a fusion layer laminated to a preset fusion thickness on at least one area of one or both surfaces of the porous substrate layer and including polymer particles having a glass transition temperature higher than or equal to 30° C. or lower than or equal to 90° C., an electrode assembly including the same, and a method of manufacturing the electrode assembly.
Resumen de: US2025233227A1
A battery module which includes: a battery stack formed by stacking a plurality of battery cells respectively including electrode tabs on each other; bus bar assemblies located on both sides of the battery stack, from which the electrode tabs are drawn, to electrically connect the plurality of battery cells to each other through the plurality of electrode tabs; and a sensing module assembly disposed on one side of the battery stack, from which the electrode tab is not drawn out, to electrically connect the bus bar assemblies on both sides of the battery stack.
Resumen de: US2025233205A1
A negative electrode includes: a negative electrode current collector; and a negative electrode active material layer, wherein the negative electrode active material layer includes a first active material, a second active material, and a gel electrolyte, the gel electrolyte includes a polymer and a conductive material, the negative electrode active material layer includes the gel electrolyte in a surrounding of the first active material, and a concentration of the gel electrolyte in the surrounding of the first active material is higher than a concentration of the gel electrolyte in a region of the negative electrode active material layer other than the surrounding of the first active material.
Resumen de: US2025233201A1
Provided is a sulfide solid electrolyte glass ceramic containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom and having peaks at diffraction angles (2θ) of 20.2° and 29.3° in X-ray diffractometry using CuKα line. Due to an intensity ratio (PA/PB) of a peak intensity (PA) of the peak appearing at 2θ=20.2° to a peak intensity (PB) of the peak appearing at 2θ=29.3° made into more than 1.0, the sulfide solid electrolyte glass ceramic has a high ionic conductivity and has an increased water resistance. A method for producing the sulfide solid electrolyte glass ceramic is also provided.
Resumen de: US2025233207A1
An electrolyte additive is provided. The additive is a quaternary ammonium or phosphonium salt effective to suppress hydrogen evolution and metal dendrite formation during operation of a zinc electrochemical cell such as a zinc-air battery. A zinc battery cell is also provided, which contains an effective amount of the electrolyte additive.
Resumen de: US2025233204A1
A battery that cycles lithium ions includes a negative electrode, a positive electrode, a separator disposed between the negative electrode and the positive electrode, and an ionogel electrolyte. The negative electrode includes electroactive material particles comprising silicon. The positive electrode includes an electroactive positive electrode material. The ionogel electrolyte includes a polymer matrix, an ionic liquid in the polymer matrix, and a lithium salt in the ionic liquid. The ionic liquid includes a cation including a piperidinium ion and an anion including bis(fluorosulfonyl)imide (FSI).
Resumen de: US2025233150A1
Provided are graphite particles which can use carbon dioxide as a raw material and can be used as an electrode material. As to graphite particles, an interplanar spacing d 002 based on a diffraction peak corresponding to a lattice plane (002) being measured by a powder X-ray diffraction method is 0.3355 nm or more and 0.3370 nm or less, a primary particle diameter is 50 nm or more and 500 nm or less, a value of 50% of an integrated value in number base particle diameter distribution (a mean particle diameter) is a secondary particle diameter (d50), the secondary particle diameter (d50) is 0.15 μm or more and 1.6 μm or less, and a specific surface area (BET) being calculated from a nitrogen-adsorption amount at 77 K is 10 m2/g or more and 400 m2/g or less.
Resumen de: US2025233202A1
Disclosed are a solid electrolyte for a lithium secondary battery including a substitution element such as gallium (Ga), etc. and a method of manufacturing the same.
Resumen de: WO2025148410A1
Provided in the present application are a stacking device, a method for manufacturing an electrode plate assembly, and an electrode plate thermal lamination apparatus. The stacking device comprises a stacking table, a first driving roller assembly and a second driving roller assembly, wherein a first interval d1 is provided between the first driving roller assembly and the second driving roller assembly, and the length of an electrode plate unit is defined as L, where d1 is smaller than L, or d1 is greater than L, and the ratio of d1 to L is a non-integer.
Resumen de: WO2025148355A1
Disclosed in the present application are a winding needle (10), a winding device (1000) and a battery processing system. The winding needle comprises: an inner needle (11); at least two outer needles (12), which surround the inner needle along the circumference of the inner needle, and are movably arranged on the circumferential side of the inner needle in the radial direction of the inner needle; and a first structural member (13), which abuts against the outer needles, and can move relative to the outer needles in the axial direction of the inner needle to push the outer needles away from the inner needle in the radial direction of the inner needle. In the winding needle of the present application, the first structural member pushes the outer needles away from the inner needle in the radial direction of the inner needle, thereby achieving the effect of expanding the outer diameter of the winding needle; and the first structural member can be disengaged from the outer needles, and then an electrode assembly can apply pressure to the winding needle to enable the outer needles to move close to the inner needle in the radial direction of the inner needle, thereby achieving the effect of reducing the outer diameter of the winding needle. In this way, the outer diameter of the winding needle can be increased or decreased, so that the outer diameter of the winding needle can be adjusted during the winding process of the electrode assembly, thereby reducing the tab misalignment.
Resumen de: WO2025148365A1
A positive electrode active material, a preparation method therefor, a positive pole piece, a secondary battery and an electrical apparatus. In particular, the positive electrode active material comprises first lithium iron phosphate particles and second lithium iron phosphate particles, wherein the primary average particle size of the first lithium iron phosphate particles is 500-3000 nm, and the primary average particle size of the second lithium iron phosphate particles is 120-600 nm.
Resumen de: WO2025148364A1
Large-particle, low-specific-surface-area and high-dynamics lithium iron phosphate particles. The primary average particle size of the lithium iron phosphate particles is 500-3000 nm, and the BET specific surface area thereof is 3 m2/g to 8 m2/g. By means of calculation on the basis of the total weight of the lithium iron phosphate particles, the carbon content of the lithium iron phosphate particles is Cx weight%, where 0.8≤Cx≤2.0.
Resumen de: US2025233222A1
The purpose of the present disclosure is to provide a method for recovering a solid state electrolyte from an all-solid-state battery, which simultaneously recovers rare metals through a hydrometallurgical process. In order to achieve the purpose, an aspect of the present disclosure provides a method for recovering a solid state electrolyte from an all-solid-state battery, the method comprising steps of: (a) crushing or grinding the all-solid-state battery; (b) acid leaching the crushed or ground all-solid-state battery to form a leaching solution; (c) adding a first precipitant to the leaching solution to separate the leaching solution into a first precipitate and a first leachate; (d) adding a pH modifier to the first leachate to separate the first leachate into a second precipitate and a second leachate; and (e) adding a second precipitant to the second leachate to recover a third precipitate.
Resumen de: US2025233440A1
A battery control device that controls a battery pack in which a plurality of batteries are connected to each other detects a voltage variation between the plurality of batteries, calculates a restriction coefficient based on a charging rate of the battery pack and the voltage variation, and restricts inputtable/outputtable power based on the restriction coefficient, the inputtable/outputtable power being maximum power inputtable to and outputtable from the battery pack.
Resumen de: US2025233248A1
The present application provides a box body, a battery and a vehicle. The box body is used for the battery. The box body includes a bearing plate and a reinforcing beam. The bearing plate is configured to fix a battery cell. The reinforcing beam is arranged on a side of the bearing plate facing away from the battery cell and is fixed to the bearing plate. In the present application, the reinforcing beam is arranged on a side of the bearing plate facing away from the battery cell, such that the bearing plate has improved compression resistance, and the deformation thereof is alleviated when the battery is subjected to an external impact, thereby reducing the risk that the bearing plate presses the battery cell and causes damage thereto, and improving the safety of the battery.
Resumen de: US2025233256A1
Embodiments of the present disclosure provide a battery box assembly, a cell, and a battery pack, and belong to the technical field of batteries. The battery box assembly includes a box body and a separator, wherein the box body has an accommodating space, and the separator is arranged in the accommodating space; the separator is configured to divide the accommodating space into a first region and a second region; a vent hole is provided in the separator, and the vent hole is configured to connect the first region to the second region; the first region is configured to mount a cell; and the vent hole is arranged in a position corresponding to an explosion-proof valve of the cell, the vent hole is configured to guide gas and liquid flows flowing from the explosion-proof valve to the second region in a case where the explosion-proof valve of the cell is opened.
Resumen de: US2025233221A1
In a process for the direct recycling of electrode scrap which is yielded as production waste in the production of lithium-ion batteries, a process is to be provided which makes it possible to recycle electrode scrap from LIB production by mechanical stress without adversely changing the active materials so that it can be fed back into production. This is achieved in that the mechanical stressing of the electrode scrap includes pre-crushing the electrode scrap into bulk material and mechanical stressing of the pre-crushed electrode scrap in a conditioned atmosphere in a fluidised bed opposed jet mill.
Resumen de: US2025233152A1
An electrode assembly include a first electrode; a separator; and a second electrode. The first electrode includes a first substrate, a first active material layer including a first front surface active material layer and a first rear surface active material layer respectively formed on a front surface and a rear surface of the first substrate, a functional layer formed on the rear surface of the first substrate, a first finishing tape covering an end portion of the rear surface first active material layer and one end portion of the functional layer, a second finishing tape covering an end portion of the first front surface active material layer, and a third finishing tape covering an end portion of the second finishing tape. Another end portion of the functional layer overlaps the third finishing tape.
Resumen de: US2025233191A1
An electrode assembly includes a separator, a first electrode and a second electrode located with the separator therebetween and wound together with the separator. The first electrode includes a substrate including a body on which a composite layer and an insulating layer are located, and a plurality of tabs extending from one side of the body and contacting the insulating layer. A plurality of cut lines are located parallel to each other in at least one of the plurality of tabs. The plurality of cut lines are located at a distance from an edge of the tab.
Resumen de: US2025233163A1
Provided is a high areal capacity loading electrode that includes: a metal current collector; and an active material layer on the metal current collector, wherein the electrode has high areal capacity loading of greater than or equal to about 2.0 mAh/cm2, and the electrode is perforated with holes spaced from each other at an average distance ranging from about 70 μm to about 900 μm. An energy storage device including the high loading electrode is also provided.
Resumen de: US2025233162A1
A lithium secondary battery including a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte having lithium-ion conductivity. At the negative electrode, lithium metal deposits during charging, and the lithium metal dissolves during discharging. The negative electrode has a porous resin substrate, and a lithium metal layer laminated with the porous resin substrate. The porous resin substrate has a porous region in which the lithium metal layer is not packed.
Resumen de: US2025233161A1
An electrode assembly includes a first electrode plate. The first electrode plate includes a plurality of first stacked sections and at least one first bent section. The first bent section includes a plurality of first nicks arranged along a second direction. The second direction is an extension direction of the first bent section. The plurality of first nicks include first edge nicks located at two ends of the first electrode plate along the second direction and a first middle nick located in a middle region of the first electrode plate. A length of each first edge nick along the second direction is greater than a length of the first middle nick along the second direction.
Resumen de: WO2025148396A1
An electrode sheet and a preparation method therefor, and a battery and an electric apparatus. The electrode sheet comprises a current collector, and an active layer and a composite film layer, which are sequentially arranged on at least one side of the current collector, wherein the active layer comprises an active material and a functional additive, and the composite film layer comprises a polymer and a porous material. When the electrode sheet is used for preparing a battery, the cycling stability of the battery can be improved.
Resumen de: WO2025148346A1
A composite current collector (100), an electrode sheet, an electrode assembly (413), a secondary battery (410) and an electric apparatus. Exhaust units (31) penetrating through a conductive layer (30) are provided on the conductive layer (30), so that during preparation, the conductive layer (30) is bonded to a substrate (10), and the conductive layer (30) is pressed. Since the exhaust units (31) are provided on the conductive layer (30), residual gas in a glue will be exhausted from the exhaust units (31) during pressing, so that the conductive layer (30) and the substrate (10) are fully adhered to each other, thereby improving the bonding strength between the conductive layer (30) and the substrate (10), and effectively reducing the falling risk of the conductive layer (30). Moreover, during pressing, part of the glue permeates into the exhaust units (31), so as to enhance the adhesion strength, so that the conductive layer (30) and the substrate (10) are tightly bonded, thereby improving the stability of the structure of the composite current collector (100).
Resumen de: WO2025148329A1
A heat exchange device (13), a heat exchange system, a battery (10) and an electrical device, which belong to the technical field of batteries. The heat exchange device (13) is applied to the battery (10). The heat exchange device (13) comprises: a heat exchange body provided with a first heat exchange flow channel (1322) and a second heat exchange flow channel (1332); and an expansion valve (134), wherein an inlet end of the expansion valve (134) is connected to an outlet end of the first heat exchange flow channel (1322), and an outlet end of the expansion valve (134) is connected to an inlet end of the second heat exchange flow channel (1332). The second heat exchange flow channel (1332) comprises an upstream flow channel and a downstream flow channel which are connected in sequence, wherein the upstream flow channel is connected to the outlet end of the expansion valve (134), the upstream flow channel is configured to perform heat exchange with a battery cell (12), and the downstream flow channel is configured to perform heat exchange with the first heat exchange flow channel (1322).
Resumen de: US2025233252A1
A power storage device includes: a plurality of power storage cells; and a case that accommodates the plurality of power storage cells. The case includes a cooling plate and a bottom surface that are fixed to the plurality of power storage cells. In the power storage device, a hollow member is disposed between the plurality of power storage cells and each of the cooling plate and the bottom surface.
Resumen de: US2025233426A1
A power station assembly includes two inverter power stations configured to provide respective power outputs at a voltage and at respective currents. The power station assembly additionally includes a linking module configured to electrically connect to the two inverter power stations to receive the respective power outputs therefrom, combine the respective power outputs into a combined power output, and provide the combined power output to a load.
Resumen de: US2025233215A1
Provided are a water and acid adsorbing battery separator and a preparation method therefor, a water and acid adsorbing electrode plate, and a battery. A metal organic framework material is used and scrape-coated on a battery separator to prepare a composite separator, which can efficiently adsorb impurities such as water/acid from a battery, as a water and acid adsorbing battery separator. In one aspect, the water and acid adsorbing battery separator can effectively improve the cycling stability of a battery by adsorbing impurities such as water and an acid from the battery. In another aspect, the water and acid adsorbing battery separator can reduce control conditions of water during a battery assembly process, thereby effectively reducing the cost.
Resumen de: US2025233431A1
A battery stack includes a plurality of battery management system (BMS) nodes and a controller. Each BMS node includes a battery, an isolation switch configured to selectably isolate the battery of the BMS node from the batteries of the other BMS nodes, and a bypass switch configured to selectably provide a path for electrical current flowing through the battery stack to bypass the battery of the BMS node. The batteries of the BMS nodes are electrically coupled in series. The controller is configured to control the isolation switch and the bypass switch of each BMS node such that the battery of each BMS node can be individually connected to and disconnected from an electrical power source/sink.
Resumen de: US2025233427A1
An improved charging device with Smart IOT connected features is disclosed. The charging device provides AC current to various external devices, including electric vehicles and household appliances. The device includes a portable housing assembly with at least one charging port and an integrated smart battery charger that monitors voltage and current levels. An inverter converts stored DC power into AC power. The LCD touchscreen displays real-time charging status and supports touch activation commands from a mobile communication device for remote operation.
Resumen de: US2025233217A1
A battery system including a battery, wherein the battery is connected to a power system, and includes a detection unit that detects an abnormality of the battery system, and a battery control unit that causes the battery to discharge to the power system when the detection unit detects the abnormality.
Resumen de: US2025233149A1
The present disclosure provides an anode material and a battery, the anode material includes graphite, pores are formed at the surface of and/or inside the graphite, the anode material has a pore volume of V cm3/kg, a true density of D g/cm3, a specific surface area is S m2/g, a degree of graphitization is G %, wherein, 0.7≤V*S/D≤3.95, and 89≤G≤93. The anode material and the battery according to the present disclosure can improve the rate performance and the cycle performance of the graphite anode material under a high rate current.
Resumen de: US2025233188A1
Power storage module manufacturing device includes a conveying device configured to convey a workpiece that is a component of a power storage module from a first device to a second device configured to stack a plurality of the workpieces, a sensor configured to detect the workpiece, and an adjustment mechanism configured to adjust a relative position of the workpiece. The conveying device includes a hand unit configured to pick up and hold the workpiece, and a moving unit configured to covey the workpiece from the first device to a stacking position on the second device by moving the hand unit in a state of holding the workpiece from the first device toward the second device.
Resumen de: US2025233151A1
An electrode material comprising: an anode metal material having an electrochemically active surface; and comprising a) a carbonaceous polymeric material halogenated with a first halogen and a first amorphous halide salt incorporated in a matrix of the carbonaceous polymeric material; or b) an inorganic material halogenated with a third halogen; and a second amorphous halide salt incorporated in a matrix of the inorganic material; and wherein the composite material is a layer disposed on the electrochemically active surface of the anode metal material.
Resumen de: US2025233194A1
A rechargeable battery for a machine tool, having a cell core is provided, wherein no point within the cell core is at a distance of more than 5 mm away from a surface of the rechargeable battery and the rechargeable battery has a capacity of at least 2.2 Ah. A battery pack and a machine tool are also disclosed.
Resumen de: US2025233190A1
This application provides an encasing device. The encasing device includes: a first bracket, where a riveting platform is disposed on the first bracket; a first flipping mechanism, configured to flip a battery shell; a first conveying sliding table, where the first conveying sliding table is disposed between the first flipping mechanism and the first bracket and configured to convey the battery shell to a grip site on the first bracket; a gripping mechanism, disposed on the first bracket, where the gripping mechanism includes a moving mechanism and a gripping piece connected to the moving mechanism; and a relocation mechanism, disposed on the first bracket, where the relocation mechanism is adapted to drive the battery shell to move toward a cell module and fit the cell module into the battery shell.
Resumen de: US2025233199A1
An all-solid-state battery according to present disclosure includes a positive electrode layer and a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer, wherein the solid electrolyte layer includes a first electrolyte layer including a glass-ceramic electrolyte including lithium chloride (LiCl); and a second electrolyte layer disposed on one surface or both surfaces of the first electrolyte layer and including a lithium borosilicate (LBSO)-based electrolyte.
Resumen de: WO2025150511A1
Provided are: a nonaqueous electrolyte solution which contains (I) a solute, (II) a nonaqueous organic solvent, and (III) at least one compound that is selected from the group consisting of a compound represented by general formula (1) and a compound represented by general formula (2); a nonaqueous electrolyte battery which includes the nonaqueous electrolyte solution; and a method for producing the nonaqueous electrolyte battery.
Resumen de: US2025233246A1
A battery carrier for receiving at least one battery module serving as a drive energy storage device for an electrically driven vehicle. The battery carrier can be connected to a body of the vehicle, including a substantially circumferential frame structure having longitudinal sides and transverse sides for forming a receiving area for the at least one battery module, wherein the battery carrier is integrally molded from a light metal material, in particular integrally cast from a light metal material. The receiving area encloses an area of at least 0.5 m2, in particular of at least 0.75 m2, particularly preferably of at least 1 m2. The present invention also relates to methods for die casting a substantially one-piece battery carrier from a light metal melt, in particular from an aluminum alloy melt.
Resumen de: US2025233291A1
A battery cell, a battery, and an electrical apparatus are described. The battery cell comprises a housing, an electrode assembly, an electrode terminal, a fixing member, and a sealing member. The housing comprises a first wall, the first wall is provided with an electrode lead-out hole. The electrode assembly is accommodated in the housing. The electrode terminal is electrically connected to the electrode assembly and covers at least a portion of the electrode lead-out hole. The fixing member surrounds the electrode terminal and connects the electrode terminal and the first wall. The sealing member surrounds the electrode terminal, and at least a portion of the sealing member is sandwiched between the electrode terminal and the fixing member.
Resumen de: US2025233437A1
A battery system according to embodiments of the present invention may include: a battery assembly including a plurality of battery cells; and a battery management apparatus comprising memory and one or more processors configured to collect state information on the battery assembly manage and control the battery assembly based on the collected state information. Here, the one or more processors may be configured to, in a charging mode of the battery assembly, check a charge rate of the battery assembly, and determine whether to initiate a balancing mode for balancing the plurality of battery cells based on the checked charge rate.
Resumen de: US2025233292A1
This application provides a battery and an electrical device. The battery includes a battery cell, a busbar, and an insulation piece. The battery cell includes a shell and an electrode terminal. The shell includes a first wall. The electrode terminal is disposed on the first wall. The busbar is electrically connected to the electrode terminal. The insulation piece is disposed on one side, facing the electrode terminal, of the busbar and covers at least a part of the first wall. The insulation piece includes a first groove recessed along a direction facing away from the first wall. In the battery and electrical device, the first groove is available for accommodating an electrolyte solution leaking from a battery cell.
Resumen de: US2025233233A1
A rechargeable energy storage system includes a housing including a tray and a sidewall structure. A plurality of beam assemblies extend in parallel across the housing, the plurality of beam assemblies each include a bottom cap having a base plate and pair of parallel ribs extending from the base plate. A coolant passage plate is sandwiched between a pair of undulating plates with a first end disposed between the pair of parallel ribs of the bottom cap. The coolant passage plate is connected to a coolant source. A plurality of battery cells are disposed in the housing and in contact with the undulating plates of adjacent beam assemblies.
Resumen de: AU2024287128A1
Abstract The present application relates to a composition for forming a hydrogel as a reinforcement for a cellulose paper battery separator. The composition contains a monomer, a cross-linking reagent, an initiator, and a zinc salt. The monomer is selected from acrylamide, vinyl alcohol, ethylene glycol or chitosan. The cross- linking reagent is selected from N,N’- methylenebis(acrylamide) or glutaraldehyde. The initiator is selected from potassium persulfate, ammonium persulfate or azobisisobutyronitrile. The zinc salt may be selected from zinc sulfate, zinc acetate and zinc chloride. The separator may be fabricated by placing a cellulose paper into a mold, preparing the hydrogel composition by combining the monomer, cross-linking reagent, initiator and a zinc salt in deionized water, applying the hydrogel composition into the mold, covering the lid of the mold with a clipper to prevent air entering, and curing at a controlled temperature and pressure to form the separator. Abstract The present application relates to a composition for forming a hydrogel as a reinforcement for a cellulose paper battery separator. The composition contains a monomer, a cross-linking reagent, an initiator, and a zinc salt. The monomer is selected from acrylamide, vinyl alcohol, ethylene glycol or chitosan. The cross- linking reagent is selected from N,N'- methylenebis(acrylamide) or glutaraldehyde. The initiator is selected from potassium persulfate, ammonium persulfate or azobisisobutyronitri
Resumen de: AU2024373823A1
A battery pack, a power tool, and a connecting device. The battery pack comprises a battery pack body and a battery connecting device. The battery connecting device comprises a device body and multiple battery connecting terminals. The multiple battery connecting terminals are arranged on the device body, and can at least transmit electrical energy; the battery connecting terminals are configured to have a cylindrical structure; and the battery connecting terminals are configured to withstand a maximum current of less than or equal to 400 A.
Resumen de: AU2024278623A1
Ref: 20-1485-US A portable medical device is disclosed. The portable medical device may comprise a display, a defibrillator port, a battery unit, and a processor. The processor may be configured to determine a cycle count of the battery unit, wherein the cycle count represents a number of times the battery unit has been charged and determine whether the cycle count satisfies a cycle count threshold. The processor may also be configured to, in response to determining that the cycle count satisfies the cycle count threshold, cause one or more graphical elements to be displayed on the display. Ref: 20-1485-US A portable medical device is disclosed. The portable medical device may comprise a display, a defibrillator port, a battery unit, and a processor. The processor may be configured to determine a cycle count of the battery unit, wherein the cycle count represents a number of times the battery unit has been charged and determine whether the cycle count satisfies a cycle count threshold. The processor may also be configured to, in response to determining that the cycle count satisfies the cycle count threshold, cause one or more graphical elements to be displayed on the display. ec e f : - - p o r t a b l e m e d i c a l d e v i c e i s d i s c l o s e d h e p o r t a b l e m e d i c a l d e v i c e m a y c o m p r i s e a e c d i s p l a y , a d e f i b r i l l a t o r p o r t , a b a t t e r y u n i t , a n d a p r o c e s s o r h e p r o c e s s o r m a y b e c o n f i g u r
Resumen de: WO2025148747A1
An insulating adhesive, a tab assembly, and a secondary battery. The secondary battery comprises an electrode assembly, a tab assembly, and a packaging pouch; the electrode assembly is accommodated in the packaging pouch; the packaging pouch comprises a sealing part; the tab assembly comprises tabs and insulating adhesives respectively arranged on two sides of respective tabs; and the tabs are connected to the electrode assembly and pass through the sealing part to extend out of the packaging pouch. The insulating adhesive comprises a first insulating adhesive layer, a second insulating adhesive layer and a third insulating adhesive layer which are sequentially stacked in a first direction; the second insulating adhesive layer comprises a cross-linked polymer; and the degree of crosslinking of the cross-linked polymer ranges from 20% to 70%. The insulating adhesive of the secondary battery of the present application is not prone to warping, and has a good sealing effect.
Resumen de: WO2025148526A1
The present application belongs to the technical field of new energy. Disclosed are a battery separator, a secondary battery and an electric device. The battery separator of the present application comprises a separator substrate and a coating arranged on at least one surface of the separator substrate, wherein the coating comprises an aramid fiber layer and adhesive polymer particles, and the aramid fiber layer comprises a first surface and a second surface, which are arranged face to face, the first surface of the aramid fiber layer being in contact with the separator substrate, and the adhesive polymer particles being embedded into the aramid fiber layer and forming dotted bulges on the second surface of the aramid fiber layer. The battery separator of the present application shows good adhesion performance on positive and negative electrode sheets, has a high separator rupture temperature, good air permeability, good compressibility, a good electrolyte infiltration effect and low impedance, and is not only applicable to the preparation of a fast-charge and/or high-power battery, but also capable of ensuring that a battery has good safety.
Resumen de: WO2025148516A1
The present invention belongs to the field of lithium ion batteries, and specifically relates to an in-situ preparation method and a recovery method for a solid polymer electrolyte, as well as a lithium ion battery. The preparation method provided by the present invention comprises the following steps: a) loading an electrolyte precursor onto a surface of a battery separator, and then assembling same with a lithium ion battery positive electrode and a lithium ion battery negative electrode, to obtain a semi-finished lithium ion battery product, components of the electrolyte precursor in step a) comprising a polymer monomer, a lithium salt and an initiator, the lithium salt being lithium perchlorate, lithium hexafluorophosphate, lithium difluorophosphate, or the like; b) under heating conditions, performing in-situ polymerization of the electrolyte precursor on the battery separator in the semi-finished lithium ion battery product, to obtain a solid polymer electrolyte loaded on the battery separator. The preparation method provided by the present invention does not require an additional catalyst, and the prepared solid polymer electrolyte can be depolymerized by means of heating, and has good environmental and economic benefits.
Resumen de: US2025233273A1
The disclosure discloses a battery pack including a battery holder; a battery cell surrounded by and supported in the battery holder; a welding strap including a welding portion welded to an electrode terminal of a battery cell to make an electrical connection, and a projection located at a central portion of the welding portion, the projection being spaced apart from the electrode terminal of the battery cell. By providing the projection aligned with and spaced apart from a non-welding zone of the electrode terminal of the battery cell at the welding portion of the welding strap, the non-welding zone can be protected at the time of welding, and the welding can be accurately performed on an allowable welding zone.
Resumen de: US2025233264A1
Provided is a solid-state secondary battery having an intermediate layer allowing rapid charging and providing desirable charge-discharge efficiency. A solid-state secondary battery includes: a positive electrode layer; a negative electrode layer including at least a negative electrode current collector; a solid electrolyte layer containing a solid electrolyte material; an intermediate layer provided between the negative electrode layer and the solid electrolyte layer, and a buffer material that constrains an electrode assembly formed by joining the positive electrode layer, the solid electrolyte layer, the intermediate layer, and the negative electrode layer, in which the buffer material has a 25% compression load of more than 0.5 MPa and an elongation of less than 100%.
Resumen de: US2025233271A1
Provided is a battery pack. The battery pack comprises a battery cell extending in a vertical direction and comprising a plurality of electrode tabs, a substrate on which a protective element is arranged, the substrate being fixed to an upper end of the battery cell and electrically connected to the plurality of electrode tabs, and a support plate that is disposed between the battery cell and the substrate and that supports the substrate, wherein the support plate comprises at least two partial support portions that are spaced apart from each other in a horizontal direction crossing the vertical direction.
Resumen de: US2025233225A1
A battery cell housing for forming a battery cell for an energy storage device of a motor vehicle. The battery cell housing has at least one receiving chamber in its interior for receiving at least one active material unit. The receiving chamber is delimited on the outside by at least one housing wall, the housing wall has at least one cooling chamber for guiding a cooling fluid provided for cooling the active material unit. At least one portion of the housing wall is plastically or elastically deformable, so that an expansion of the active material unit due to the charging cycle and/or aging causes a deformation of the housing wall such that the cross-section of the cooling chamber is reduced at least in portions.
Resumen de: US2025233261A1
A battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack; and end plates that cover the front and rear surfaces of the battery cell stack exposed from the module frame. The end plate includes a front end plate and a rear end plate, and further includes a first venting hole and a second venting hole formed in the front end plate and the rear end plate, a venting plate formed on the rear end plate so as to be connected to the second venting hole, and a duct member formed on the upper part of the module frame so as to be connected to the venting plate. The duct member extends in a longitudinal direction of an upper part of the module frame and is connected to the front end plate.
Resumen de: US2025233286A1
A secondary battery having higher reliability is provided. The secondary battery includes a first electrode current collector plate, a second electrode current collector plate, and an electrode wound body. The electrode wound body is disposed between the first electrode current collector plate and the second electrode current collector plate, and has a through hole extending in a height direction. The electrode wound body includes a stacked body that includes a first electrode, a second electrode, and a separator and is wound. The first electrode includes a first electrode current collector and a first electrode active material layer. The first electrode includes a first electrode covered region and a first electrode exposed region. At least a portion of the first electrode exposed region is coupled to the first electrode current collector plate. The second electrode includes a second electrode current collector and a second electrode active material layer. The second electrode includes a second electrode covered region and a second electrode exposed region. At least a portion of the second electrode exposed region is coupled to the second electrode current collector plate. The second electrode current collector plate includes a facing part and a band-shaped part. The band-shaped part includes a projection region including multiple projections, and a flat region. The flat region is positioned at a leading end part, of the band-shaped part, on an opposite side of the projectio
Resumen de: US2025233242A1
This application discloses a box assembly, a battery, and an electric apparatus. The box assembly includes a frame, where the frame includes a bottom plate and side plates arranged around the bottom plate, and the bottom plate and the side plates jointly enclose an accommodating cavity; and at least one heat exchange beam, where the heat exchange beam is disposed in the accommodating cavity to divide the accommodating cavity into a plurality of accommodating sub-cavities, and a heat exchange passage is provided in the heat exchange beam for circulating a heat exchange medium. The heat exchange beam can improve the overall rigidity of the frame. In addition, the heat exchange passage is provided in the heat exchange beam for circulating the heat exchange medium, so that the heat exchange beam is integrated with the heat exchange function.
Resumen de: US2025233285A1
A battery cell, a battery, and an electrical device are disclosed. The battery cell includes: a shell, an electrode assembly, an electrode terminal, and a current collecting component. The shell is configured to accommodate the electrode assembly. The electrode assembly includes a tab. The electrode terminal is disposed on the shell. The current collecting component includes a tab connecting portion and a terminal connecting portion. The tab connecting portion is configured to be connected to the tab. The terminal connecting portion is configured to be connected to the electrode terminal. The terminal connecting portion includes a plurality of terminal connecting sub-portions stacked in layers. Each terminal connecting sub-portion includes a riveting sub-portion. Any two adjacent riveting sub-portions are fixed together by riveting.
Resumen de: US2025233293A1
A battery and an electric apparatus are disclosed. The battery includes a plurality of battery cells and a connecting piece, where the battery cells are sequentially stacked, the connecting piece extends in a stacking direction of the battery cells, and the connecting piece is bonded to the plurality of battery cells. The electric apparatus includes the battery described above.
Resumen de: AU2024278393A1
A high voltage box includes: a box, a cover plate, and electrical elements received in a receiving space inside the box. A top of the box defines an opening, and the cover plate covers the opening of the box. The box includes a first side panel and a second side panel opposite to the first side panel; the receiving space is defined between the first side panel and the second side panel; the electrical elements include a battery management system, a positive-electrode fuse arranged on a positive-electrode circuit and/or a negative-electrode fuse arranged on a negative-electrode circuit. The battery management system is located on a side of the receiving space near the first side panel; the positive-electrode fuse and/or the negative-electrode fuse is located on another side of the receiving space near the second side panel. A high voltage box includes: a box, a cover plate, and electrical elements received in a receiving space inside the box. A top of the box defines an opening, and the cover plate covers the opening of the box. The box includes a first side panel and a second side panel opposite to the first side panel; the receiving space is defined between the first side panel and the second side panel; the electrical elements include a battery management system, a positive-electrode fuse arranged on a positive-electrode circuit and/or a negative-electrode fuse arranged on a negative-electrode circuit. The battery management system is located on a side of the receiving spac
Resumen de: AU2024278494A1
A battery pack and a vehicle are disclosed. A battery compartment defined between a first housing and a second housing is configured to accommodate a cell assembly and the cell assembly is effectively protected by the housings. The first connecting portion and the second housing are connected to each other such that the first housing and the second housing are assembled together. A first bending portion extends toward the battery compartment, which enables a sealing member to be closer to the battery compartment. As a result, an enclosure structure is formed at the first connecting portion and a sealing structure is formed at the first bending portion. The sealing member is disposed around a periphery of the battery compartment to seal the periphery of the battery compartment and a connection gap between the first housing and the second housing, reducing an intrusion of external substances into the battery compartment. A battery pack and a vehicle are disclosed. A battery compartment defined between a first housing and a second housing is configured to accommodate a cell assembly and the cell assembly is effectively protected by the housings. The first connecting portion and the second housing are connected to each other such that the first housing and the second housing are assembled together. A first bending portion extends toward the battery compartment, which enables a sealing member to be closer to the battery compartment. As a result, an enclosure structure is formed at
Resumen de: AU2024246892A1
An olivine cathode active material for a lithium secondary battery according to an embodiment of the present invention comprises: a core portion containing a lithium metal phosphate; and a carbon coating layer disposed on the surface of the core portion, and can satisfy the following relational expression 2. Relational expression 2: 0.20 ≤ D50*Dc^2*C/1000 ≤ 0.50 (In relational expression 2, D50 is the average particle size (µm) of the olivine cathode active material, Dc is the grain size (nm) in the olivine cathode active material, and C is the weight percentage (%) of carbon in the olivine cathode active material.)
Resumen de: WO2025148555A1
The present application is applicable to the technical field of batteries, and provides a battery cell, a battery, and an electrical apparatus. The battery cell comprises a positive electrode sheet, a negative electrode sheet, and a separator; the positive electrode sheet, the negative electrode sheet, and the separator are arranged layer by layer on the basis of a preset sequence and are wound to form a wound body; the positive electrode sheet, the negative electrode sheet, and the separator respectively comprises a plurality of straight portions and a plurality of bent portions that are alternately connected; at least one surface of at least one bent portion is coated with a non-continuously distributed coating. According to the battery cell, the battery, and the electrical apparatus provided by the present application, the risk of phenomena such as electrode sheet breakage and lithium precipitation at a corner can be reduced to a certain extent.
Resumen de: WO2025148461A1
The present application relates to the technical field of batteries, and provides a positive electrode sheet and a preparation method therefor, a binder, a battery, and an electric device. The positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer located on at least one surface of the positive electrode current collector, the positive electrode film layer comprises a binder, and the binder comprises a copolymer.
Resumen de: WO2025148501A1
A battery cell (12), a battery (100), and an electrical device. The battery cell (12) comprises a casing (121), pressure relief mechanisms (123), and an electrode assembly (122). The casing (121) has a first end wall (1211) and a side wall (1212), and the side wall (1212) surrounds the first end wall (1211); the first end wall (1211) comprises a body (12111) and protruding portions (12112), and the protruding portions (12112) protrude from the inner surface of the body (12111); the pressure relief mechanisms (123) are arranged on the body (12111); the electrode assembly (122) is accommodated in the casing (121); the electrode assembly (122) comprises a main body (1221) and a first tab (1222), and the first tab (1222) is arranged on one end of the main body (1221); a first gap (124) is formed between the outer peripheral surface of the main body (1221) and the inner surface of the side wall (1212); the first current collector (125) is located between the first end wall (1211) and the electrode assembly (122), the protruding portions (12112) are connected to the first current collector (125), a second gap (126) is formed between the body (12111) and the first current collector (125) in the thickness direction of the first end wall (1211), and the first gap (124) is in communication with the second gap (126). The pressure relief mechanisms (123) can maintain an unobstructed connection with the first gap (124), such that when the battery cell (12) undergoes thermal runaway, the g
Resumen de: US2025233251A1
This disclosure describes a battery tower design using pouch cell or blade cell batteries to build modular towers and assemble battery units to fit within electrified heavy-duty equipment. The battery units are modular to enable expansion of the battery units horizontally and/or vertically to fit within irregular-shaped compartments originally intended for non-electric powertrain components. The battery towers are modular units with frames for holding battery cells with their width in a vertical direction and stacking the cells vertically along a length of a frame that includes passive and active cooling components.
Resumen de: US2025233219A1
The present application relates to a battery cell, a battery, and an electric apparatus. The battery cell comprises a housing, an electrode assembly, and a temperature acquisition member. The housing comprises a plurality of walls that define a first chamber, and at least one wall has a second chamber formed therein. The electrode assembly is accommodated in the first chamber. The temperature acquisition member is accommodated in the second chamber. By arranging the temperature acquisition member in the second chamber, the temperature acquired by the temperature acquisition member is more approximate to the actual temperature of the electrode assembly, thereby instantly reflecting the temperature rise of the electrode assembly and reducing the probability of thermal runaway of the battery cell.
Resumen de: US2025233214A1
A solid-state battery includes a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer, in this order, in which: the positive electrode active material layer contains moisture; and the moisture amount of the positive electrode active material layer is 500 ppm to 1200 ppm, the hydroxyl group standard value of the positive electrode active material layer is 0.72 to 0.85, or the moisture amount of the positive electrode active material layer is 500 ppm to 1200 ppm while the hydroxyl group standard value of the positive electrode active material layer is 0.72 to 0.85.
Resumen de: US2025233235A1
Provided are a battery module and a battery pack. The battery pack includes a battery module. The battery module includes a liquid cooling structure and multiple battery cells. The liquid cooling structure includes an upper case plate, a lower case plate, and a support member. The upper case plate and the lower case plate are oppositely arranged to form accommodation spaces, a surface of the upper case plate and a surface of the lower case plate facing each other are cooling surfaces, the cooling surfaces are provided with grooves, and the grooves are adapted to the circumferential side surfaces of the battery cells. The support member extends along the upper case plate and is perpendicularly connected between the upper case plate and the lower case plate.
Resumen de: US2025233290A1
The present application relates to a battery. According to the invention, the battery comprises a housing made of plastic, which has a cavity delimited by an inner wall of the housing, in which a stack of electrodes is arranged and an electrolyte solution is filled. At least one feed-through element protrudes from a surface of the housing through the housing at least partially into the cavity. At least one contact element made of a conductive material is arranged inside the cavity and is conductively connected to the at least one feed-through element. The at least one contact element is arranged in the cavity in such a way that tab elements of like-poled electrodes of the electrode stack are held in a clamping manner between at least a first surface of the at least one contact element and the inner wall.
Resumen de: US2025233243A1
A battery pack that is connectable to and supportable by a power tool (e.g., a hand-held power tool). The battery pack includes a top housing having a support member. The support member of the battery pack top housing is configured or operable to reinforce a support portion of the battery pack that is used to connect the battery pack to the power tool. By reinforcing the support portion of the battery pack, an interface between the battery pack and the power tool is able to withstand greater forces (e.g., from vibrations caused by the power tool).
Resumen de: US2025233237A1
An all-solid-state battery according to present disclosure includes a cell stack including a solid electrolyte layer, and a positive electrode layer and a negative electrode layer with the solid electrolyte layer disposed therebetween, and an outermost layer disposed on one surface or both surfaces of the cell stack in a stacking direction of the positive electrode layer, the solid electrolyte layer, and the negative electrode layer. The outermost layer includes an epoxy resin and glass particles, and the glass particles include a boron (B) oxide, a silicon (Si) oxide, and an aluminum (Al) oxide.
Resumen de: US2025233283A1
The flexible battery comprising multiple power generation elements. Each of the power generation elements comprises a positive electrode, a negative electrode, and a solid electrolyte layer arranged between the positive and negative electrodes. The positive electrode comprises a positive electrode composition layer and a conductive substrate in a form of a sheet arranged on the surface of the positive electrode composition layer. The negative electrode comprises a negative electrode composition layer and a conductive substrate in a form of a sheet arranged on the surface of the negative electrode composition layer. The multiple power generation elements are arranged on a flexible substrate. Each positive electrode is directly connected to a current collector, thereby connecting the positive electrodes to each other via the current collector. Each negative electrode is directly connected to a current collector, thereby directly connecting the negative electrodes to each other via the current collector.
Resumen de: US2025233278A1
A conductive module includes a bus bar physically and electrically connected to an electrode terminal of one or a pair of battery cells of a battery module in which a plurality of the battery cells is arranged, a first circuit conductor that transmits battery state information of each of the battery cells to a battery monitoring device, a second circuit conductor that is responsible for transmission and reception of a signal between the battery monitoring device and a battery management device that performs battery management control on the battery module, a first connector that is connector-connected to the battery monitoring device to transmit the battery state information from the first circuit conductor to the battery monitoring device, and a second connector that is connector-connected to the battery management device to transmit and receive a signal.
Resumen de: US2025233238A1
A battery cell includes a housing assembly provided with an aperture, an electrode assembly, a conductive strip, and a feed-through assembly including a first gasket, a second gasket, a conductive terminal, and a rivet. The first gasket is disposed on an outer surface of the housing assembly. The second gasket includes an integrally formed second gasket body disposed on an inner surface of the housing assembly and an annular sleeve at least partly located in the aperture. The conductive terminal is disposed on a side of the second gasket facing back from the first gasket. The rivet passes through the first gasket, the aperture, the annular sleeve, the second gasket body, and the conductive terminal, and is electrically connected to the conductive terminal. The rivet abuts against the first gasket and the second gasket to form a seal at the aperture.
Resumen de: WO2025148503A1
Provided are a solution for preparing an electrolyte and a preparation method therefor, an electrolyte and a preparation method therefor, a lithium-ion battery, and an electric device. The solution comprises a non-aqueous solvent and magnesium nitrate, wherein the non-aqueous solvent comprises an ester solvent; and the water content a of the solution satisfies: a<100 ppm. The solution contains magnesium nitrate dissolved therein and has an extremely low water content. An electrolyte prepared from the solution can contain magnesium nitrate and has the advantages of a low water content and a low probability of deterioration; and when being used in a lithium-ion battery, the electrolyte is conducive to improving the cycle life of the lithium-ion battery.
Resumen de: WO2025148494A1
A secondary battery and an electric device. The secondary battery comprises a negative electrode sheet; the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer formed on at least one surface of the negative electrode current collector; the negative electrode film layer comprises a lower region and an upper region; the lower region contains a first negative electrode active material; the upper region contains a second negative electrode active material; the median of the Raman value ID/IG of the first negative electrode active material is denoted as R150; the median of the Raman value ID/IG of the second negative electrode active material is denoted as R250; R150 is less than R250; and the graphitization degree of the first negative electrode active material is greater than that of the second negative electrode active material. The design is beneficial to improving the fast charging performance and energy density of the secondary battery.
Resumen de: WO2025148416A1
A positive electrode plate, comprising a current collector and a positive electrode active layer, the positive electrode active layer being arranged on at least one surface of the current collector, and the positive electrode active layer comprising a first active layer directly coated on the current collector and a second active layer coated on the surface of the side of the first active layer furthest from the current collector side, wherein the first active layer comprises first lithium iron phosphate particles and the thickness of the first active layer is in the range of 15-60 μm, the second active layer comprises second lithium iron phosphate particles and/or second manganese iron phosphate particles and the thickness of the second active layer is in the range from 60-130 μm, the primary average particle size of the first lithium iron phosphate particles is 500-3000 nm, and that of the second lithium iron phosphate particles and/or the second manganese iron phosphate particles is 150-480 nm.
Resumen de: US2025233289A1
This application relates to a battery cell, a battery, and an electric device. The battery cell includes an end cover assembly, a tab bracket, a fixing member, a housing, and an electrode assembly. The housing has an opening. The end cover assembly closes the opening of the housing. The electrode assembly is provided in the housing and provided with a tab. The tab bracket is provided on a side of the end cover assembly facing the electrode assembly, where the tab is bent around the tab bracket. The fixing member is configured to fix the tab bracket to the end cover assembly.
Resumen de: US2025233220A1
Various embodiments of the teachings herein include a device for detecting a defect of an arrangement including a battery housing and a battery cell. An example includes: a first sensor for a gas component within the battery housing; a second gas for the at least one gas component outside the battery housing; and a control apparatus receiving the signals. The control apparatus identifies a defect in the arrangement if the presence and/or a content of the gas component within the battery housing exceeds a predetermined first content threshold value and the absence and/or a content of the gas component outside the battery housing falls below a predetermined second content threshold value.
Resumen de: US2025233428A1
A battery management device, including a first pack terminal and a second pack terminal, a first battery terminal and a second battery terminal to which a battery including a plurality of battery cells is coupled, a charge control switch and a discharge control switch coupled in series between the first pack terminal and the first battery terminal, a current sensor coupled in series with the battery between the first pack terminal and the second pack terminal, and a battery controller controlling the discharge control switch, based on a battery current detected through the current sensor, wherein the battery controller repeats a process, the process including, detecting a generation of an overdischarge current, and when the overdischarge current is detected, temporarily turning off the discharge control switch for a preset delay time before turning the discharge control switch back on again.
Resumen de: US2025233240A1
Provided are a housing assembly for a battery cell, a battery cell, a battery, and an electrical device, which belong to the field of battery cell technologies. The housing assembly for the battery cell includes a housing body and housing cover. The housing body has an opening. The housing cover is arranged at the opening. Each of the housing cover and the housing body has a rough region on surfaces of the housing cover and the housing body fitting each other.
Resumen de: US2025233274A1
Embodiments of the application provide a battery cell, a battery and an electric apparatus. The battery cell comprises a first case, a first electrode assembly, a second case, a second electrode assembly, and an end cover assembly. The first case is provided with a first opening. The first electrode assembly is accommodated within the first case. The second case is provided with a second opening opposite the first opening. The second electrode assembly is accommodated within the second case. The end cover assembly covers the first opening and the second opening, the end cover assembly includes a connecting assembly, and the connecting assembly is configured to electrically connect the first electrode assembly and the second electrode assembly. The first case and the second case, which are sequentially arranged, can increase the overall size of the battery cell, thereby increasing the space utilization of the battery cell in the battery.
Resumen de: US2025233229A1
A battery pack includes battery cells arranged in an array to form a battery module layer. Multiple layers are vertically stacked with thermal management devices, such as active heat exchangers in the form of battery cold plates, above and below each layer to form a multi-layer battery stack that may be held in compression. The battery cold plates include liquid heat exchange medium passageways, the characteristics of which influence the heating and cooling capabilities of the cold plates. The battery cold plates, including at least arrangement and features of the passageways across the battery cold plate, are optimized to achieve desirable pressure drop and temperature distribution across the cold plates, among other benefits.
Resumen de: US2025233294A1
An electrode assembly, includes: a main body including a first electrode and a second electrode stacked and wound with a separator in between, with a first substrate positioned at an outermost part of the main body; and a finishing tape attached to the main body to cover an end of the first substrate, wherein a circumferential length of the finishing tape is smaller than a circumference of the main body, and the first substrate is positioned in two layers over an entire exposed region of the main body which is not covered with the finishing tape.
Resumen de: US2025233276A1
In some implementations, a battery module may include a battery stack comprising a plurality of battery cells, one or more module interconnect bus bars, and a printed circuit board (PCB) disposed on the battery stack and defining a plurality of openings. The PCB may be configured as a carrier for the one or more module interconnect bus bars. The plurality of openings may be arranged such that each of the plurality of openings aligns with a terminal of each of the plurality of battery cells. The one or more module interconnect bus bars may be attached to the PCB in alignment with the plurality of openings and electrically connected to the plurality of battery cells of the battery stack.
Resumen de: US2025233224A1
A battery module including a plurality of battery cells configured for storing and supplying electrical power, a cell holder configured for supporting the battery cells, a preformed insert including a potting material shaped to define a plurality of coolant channels for the battery cells, and a flow control system operable for controlling a coolant flow through the coolant channels.
Resumen de: US2025233234A1
An energy storage device for a motor vehicle, including an energy storage housing and at least one battery cell accommodated therein. At least one cooling device is arranged adjacent to the battery cell or to at least one of the battery cells in such a way that this battery cell can be cooled by a cooling fluid guided in at least one cooling fluid guide portion of the cooling device. At least one portion of the cooling device is plastically or elastically deformable, so that an expansion of the adjacent battery cell or the adjacent battery cells due to the charging cycle and/or aging causes a deformation of the cooling device in such a way that the cross-section of the cooling fluid guide portion is reduced at least in portions.
Resumen de: US2025233230A1
A battery assembly may include a cooling sleeve having a first cooling plate with a first fluid channel defined in the first cooling plate, a second cooling plate with a second fluid channel defined in the second cooling plate, and a chamber defined between the first cooling plate and the second cooling plate. The battery assembly may include a battery cell disposed in the chamber between the first cooling plate and the second cooling plate.
Resumen de: WO2025148414A1
A positive electrode piece, comprising a current collector and a positive electrode active layer, the positive electrode active layer being arranged on at least one surface of the current collector; the positive electrode active layer comprises a first active layer directly coated on the current collector and a second active layer coated on the surface of the side of the first active layer away from the current collector; the first active layer comprises first lithium iron phosphate salt particles and/or first manganese iron phosphate salt particles, the second active layer comprises second lithium iron phosphate salt particles, the primary average particle diameter of the first lithium iron phosphate salt particles and/or the first manganese iron phosphate salt particles is 150 nm to 480 nm, and the primary average particle diameter of the second lithium iron phosphate particles is 500-3000 nm.
Resumen de: WO2025148536A1
Provided in the present application are a positive electrode material and a preparation method therefor, a positive electrode sheet, a battery and an electric device. The positive electrode material of the present application comprises an inner core and a coating layer that coats the inner core, wherein the inner core comprises lithium iron phosphate or M-element-containing lithium iron phosphate, and the coating layer comprises carbon and an optional M element. The positive electrode material satisfies: the powder resistivity at 8 MPa is less than or equal to 20 Ω.cm; and the BET specific surface area at a liquid nitrogen temperature is 6-15.2 m2/g. The positive electrode material of the present application has few side reactions, and improves the cycle performance of a battery.
Resumen de: WO2025148444A1
A lower plastic plate, a top cover assembly, and a battery. The lower plastic plate comprises a plastic plate body (1) and a connecting unit. The plastic plate body (1) comprises a first plastic sub-plate (11) and a second plastic sub-plate (12) which are separated. The first plastic sub-plate (11) is provided with a first pole hole (111), and the second plastic sub-plate (12) is provided with a second pole hole (121). The connecting unit comprises a connecting plate (21) and a snap-fitting member (22). The connecting plate (21) is connected to one of the first plastic sub-plate (11) and the second plastic sub-plate (12), and the snap-fitting member (22) is connected to the other one of the first plastic sub-plate (11) and the second plastic sub-plate (12). The connecting plate (21) is provided with a limiting hole (211), and the snap-fitting member (22) is slidably snap-fitted into the limiting hole (211) in the length direction of the plastic plate body (1).
Resumen de: WO2025148417A1
A positive electrode active material, the positive electrode active material comprises lithium iron phosphate particles and lithium nickel cobalt manganate particles, wherein the primary average particle size of the lithium iron phosphate particles is 500-3000 nm, the specific surface area BET of the lithium iron phosphate particles is 3m 2/g-8m 2/g, and the specific surface area BET of the lithium nickel cobalt manganate particles is 0.4m 2/g-2.0m 2/g. The positive electrode active material has good processability, and also has good gram capacity.
Resumen de: US2025233236A1
The battery includes a plurality of electrode materials, in which the electrode material includes a first pouch, a first collector, a positive electrode, a separator, a negative electrode, a second collector, and a second pouch in this order, at least one of adjacent electrode materials has at least one of a first opening portion between the first pouch and the first collector or a second opening portion between the second pouch and the second collector, at least the other of the adjacent electrode materials has at least one of a first insertion part by the first collector or a second insertion part by the second collector, and the adjacent electrode materials are joined by at least one of insertion of the first insertion part into the first opening portion or insertion of the second insertion part into the second opening portion; and an electrode material applied to the battery.
Resumen de: US2025233223A1
Embodiments described herein relate to methods of recycling battery waste. In some aspects, a method can include applying a first heat treatment at a temperature of between about 100° C. and about 700° C. to the battery waste, the first heat treatment decomposing at least about 80 wt % of the binder, separating the electrode material from the current collector, and applying a second heat treatment at a temperature between about 400° C. and about 1,200° C. to the electrode material to produce a regenerated electrode material, the second heat treatment decomposing at least 90 wt % of binder remaining in the electrode material to produce a regenerated electrode material. In some embodiments, the method can include applying a surface treatment to the electrode material to remove surface coatings and/or surface impurities from the electrode material. In some embodiments, the surface treatment can include applying a solvent to the electrode material.
Resumen de: US2025233284A1
An energy storage cell includes an electrode-separator assembly with the sequence first electrode/separator/second electrode. The first electrode is ribbon-shaped and includes a first ribbon-shaped current collector with a first longitudinal edge, a second longitudinal edge parallel thereto, a main region loaded with a layer of first electrode material, and a free edge strip extending along the first longitudinal edge and being not loaded with the first electrode material. The second electrode is ribbon-shaped and includes a second ribbon-shaped current collector with a first longitudinal edge and a second longitudinal edge parallel thereto. The second ribbon-shaped current collector is loaded with a layer of second electrode material and at least one metallic arrester strip is fixed to the second ribbon-shaped current collector. The at least one metallic arrester strip fixed to the second current collector protrudes from the first terminal end face of the electrode-separator assembly.
Resumen de: US2025233280A1
A rechargeable battery module is provided. The rechargeable battery module includes a busbar holder for covering battery cells, a busbar in the busbar holder for electrically connecting the battery cells, a flexible printed circuit in the busbar holder for transmitting a detection signal of a temperature or a voltage of one of the battery cells, a battery management system for receiving a transmission signal from a wireless communicator connected to the flexible printed circuit, and a printed circuit board on the flexible printed circuit for accommodating a circuit element on the flexible printed circuit for the wireless communicator.
Resumen de: US2025233282A1
A battery module includes a cell stack including a plurality of battery cells, a plurality of busbars electrically connected to the plurality of battery cells, a support frame supporting the plurality of bus bars, and a circuit board electrically connected to the plurality of busbars. The circuit board includes a plurality of extension portions extending in different directions, and at least one overlapping portion in which at least two extension portions, among the plurality of extension portions, overlap.
Resumen de: US2025233216A1
A method of protecting a precharge resistor provided in a battery pack, including attempting a first attempt to charge a precharge capacitor, the precharge capacitor being electrically connected to two ends of a battery module provided in the battery pack and charged by receiving a precharge current from the battery module, adding predetermined penalty points to a summed penalty point total based on a result of the first attempt to charge the precharge capacitor determining whether the precharge resistor is in a limited state based on the summed penalty point total, and preventing a second attempt to charge the precharge capacitor for a predetermined time if the precharge resistor is in the limited state.
Resumen de: US2025233228A1
Cases can couple to a battery device to be held within the case. The case can include features, such as a clip with a heat sink, for dissipating heat away from the battery device while the case is within a pocket of a user. Such features can promote heat dissipation for the battery device even while the battery device is within an enclosed environment. The clip can serve as a mechanical engagement feature as well as a thermal dissipation feature. The clip can conduct heat away from the battery device and into an external environment, providing improved heat dissipation for the battery device and reducing the need for power throttling.
Resumen de: US2025233218A1
A pouch-shaped battery cell includes a pouch case constituted by a lower case and an upper case, an electrode assembly located in the pouch case, and an auxiliary terminal. The electrode assembly includes a positive electrode, a negative electrode, and a separator, and has a pair of electrode tabs formed at one side or opposite sides thereof, and a pair of electrode leads connected to the pair of electrode tabs. The pair of electrode tabs protrude outwards from the pouch case, wherein a sealed portion is formed at edges of the lower case and the upper case that face each other by thermal fusion. The auxiliary terminal is in contact with the first metal layer or the second metal layer so as to enclose a side end of the sealed portion. The present disclosure also provides for a battery module including the same.
Resumen de: US2025233226A1
Provided is a battery heating device. The battery heating device includes a lower plate, a support module arranged on the lower plate and configured to allow each of a plurality of cylindrical batteries to be inserted thereinto, and a heating element arranged between the lower plate and the support module and configured to heat the plurality of cylindrical batteries. The support module may include a first module including a plurality of accommodation spaces in which the plurality of cylindrical batteries are respectively accommodated and a plurality of openings provided to allow the plurality of cylindrical batteries to be inserted thereinto. The support module may include a second module arranged on the first module and including a plurality of penetration portions respectively corresponding to the plurality of openings to adjust positions at which the plurality of cylindrical batteries are respectively accommodated in the plurality of accommodation spaces.
Resumen de: US2025233197A1
A metal battery or metal ion battery comprising an anode, a cathode and a compound of formula (I) disposed between the anode and the cathode: wherein X is Al or B; Ar1 in each occurrence is independently an unsubstituted or substituted arylene or heteroarylene group; Y is a divalent group; and M+ is a cation.
Resumen de: WO2025150842A1
The present invention relates to a positive electrode material, and relates to a positive electrode material, a positive electrode comprising same, and a lithium secondary battery, the positive electrode material comprising: a first positive electrode active material having an olivine structure; and a second positive electrode active material which is a lithium nickel-based oxide having a layered structure with an average particle diameter (D50) larger than the first positive electrode active material, wherein the first positive electrode active material has an average particle diameter (D50) of 0.5-10 ㎛, contains 2-3.5 wt% of carbon (C), and has an average crystal size of 100 nm or more and less than 160 nm.
Resumen de: WO2024147158A1
The present invention relates to a battery pack (10) which includes a casing (20) enclosing a plurality of battery cells, a charge dissipation device (30), an active cooling device (40) and a BMS The BMS monitors the battery pack (10), and if a potential thermal runaway condition exists, the BMS estimates a state of charge (SOC) of the battery pack (10), compares the SOC of the battery pack (10) with a predefined SOC value, actuates the charge dissipation device (30) to rapidly discharge the plurality of battery cells if the SOC of the battery pack (10) is greater than the predefined SOC value, and actuates the active cooling device (40) to decrease the temperature of the battery pack (10) if the SOC of the battery pack (10) is lesser than or equal to the predefined SOC value, for preventing thermal runaway of the plurality of battery cells.
Resumen de: WO2025151082A1
Method For Recycling Battery Materials A method for recycling battery materials comprises soaking negative current collectors in a first solution for a predetermined soaking time period to obtain separated copper foils and graphite powders, extracting the copper foil from the first solution; drying the copper foil; cleaning the copper foil; extracting the graphite powders from the first solution and drying the graphite powder. The soaking step causes an adhesive between a graphite coating and a copper foil to be dissolved in the first solution such that the graphite coating is separated from the copper foil and to cause the graphite coating to be dispersed into the first solution to form graphite powders. A method according to the present invention enables copper material and graphite material recycling from batteries without cutting or shredding the batteries into fragments and achieves battery materials recycling with high efficiency.
Resumen de: WO2025151081A1
An apparatus for recycling electrolytes from batteries comprises a housing which encloses a vacuum chamber therein, a filer plate disposed in the housing, a gate formed on the housing and a press coupled to the housing. The filter plate divides the vacuum chamber into a first compartment and a second compartment. The gate is openable to allow external access to the first compartment, for loading the battery fragments into the vacuum chamber for electrolyte recycling and unloading the solid content from the vacuum chamber thereafter, and closeable to seal the vacuum chamber. After battery fragments are loaded in the first compartment through the gate and with the gate closed, the press moves towards the filter plate to squeezes the battery' fragments and to force electrolytes to flow out of the fragments. The electrolytes thereafter flow into the second compartment through the filter plate for collection.
Resumen de: WO2025151080A1
The present invention relates to a polymer electrolyte comprising a co-polymer and alkali metal ions, the co-polymer comprising a first, a second and optionally a third constitutional unit, wherein, the first constitutional unit is formed from a first monomer selected from the group consisting of a 5 to 8 membered cyclic carbonate and a 5 to 8 membered cyclic ether, wherein said cyclic carbonate or cyclic ether comprises an unsaturated carbon-carbon bond or is substituted by a methylidene, vinyl or allyl group, and is unsubstituted or substituted by one or two C1-6alkyl or phenyl groups; the second constitutional unit is formed from a second monomer selected from the group consisting of a C1-6alkyl acrylate and a C1-6alkyl methacrylate, said C1-6alkyl of the C1-6alkyl acrylate or C1-6alkyl methacrylate substituted by one or more halogen atoms; and the third constitutional unit is formed from a third monomer selected from the group consisting of a poly(ethylene glycol) acrylate and poly(ethylene glycol) methacrylate Also disclosed herein is a method of preparing the polymer electrolyte of the present invention and a battery comprising the polymer electrolyte of the present invention.
Resumen de: WO2025151085A1
The present invention provides an apparatus and method for recycling batteries, the apparatus comprises a sealed chamber having a loading port formed on an upper portion and an unloading port formed on a lower portion, a vacuum device coupled to the sealed chamber for withdrawing air from the sealed chamber, a first gas supply device coupled to the sealed chamber for providing a flame retardant gas into the sealed chamber, a second gas supply device coupled to the sealed chamber for providing a coolant into the sealed chamber, a cutting device coupled to the sealed chamber for performing a severing operation in the sealed chamber, and a conveyor belt disposed horizontally in the sealed chamber to transport batteries received from the loading port to the cutting device for severing the batteries into fragments, and to transport the battery fragments to the unloading port for collection.
Resumen de: WO2025151084A1
The present application relates to battery recycling technology. In particular, the present application relates to a method for recycling battery. According to one embodiment, the method comprises a step of removing an external enclosure of the battery to expose a housing of the battery; a step of removing terminals of the battery; a step of removing a top plate of the battery; a step of extracting a cell of the battery from the housing, and a step of disassembling the cell to obtain electrodes, electrolytes and separators of the battery. The present invention is advantages in that the recycled batter components and materials e.g. the electrodes, separators and electrolytes etc can be sorted and collected by individual types for further usage, which helps in achieving higher recycling rate, lower costs and better pollution control.
Resumen de: WO2025151499A1
Polymer-particle gradient electrolytes, methods of making polymer-particle gradient electrolytes, and uses thereof. In various examples, a polymer-particle gradient electrolyte comprises a gradient or gradients of metal oxide particles, which may be between a surface of a cathode and an anode of a device, disposed in a polymeric material. In various examples, a polymer-particle gradient electrolyte is made by allowing a gradient of metal oxide particles to form in or forming a gradient in a precursor mixture and polymerizing monomers in the precursor mixture, which may be carried out in situ in a precursor device. In various examples, a device, such as, for example, an electrochemical device, e.g., a battery, which may be a solid-state battery, comprises one or more polymer-particle gradient electrolyte(s).
Resumen de: WO2025151370A1
The present inventions relate to methods, systems, apparatuses, controllers, software, and composition of matter associated with curtailing (e.g., preventing) adverse effect(s) relating to a battery cell such as occurring during its lifetime. The adverse effects may be associated with a triggering event (e.g., a melting temperature) affecting at least one material of the battery cell, or of a battery comprising the battery cell. The at least one material may be an insulating material.
Resumen de: WO2025150985A1
According to exemplary embodiments, a method for managing cell tracking data is provided. The method comprises the steps of: loading cell tracking data including an unrecognized jelly roll ID and a jelly roll ID adjacent to the unrecognized jelly roll ID, wherein the jelly roll ID is used to distinguish jelly rolls which are wound structures of a positive electrode, a negative electrode, and a separator; and restoring the unrecognized jelly roll ID on the basis of the jelly roll ID.
Resumen de: WO2025150655A1
The present disclosure relates to a solid electrolyte that is a composite including a first glass ceramic compound and a second glass ceramic compound.
Resumen de: WO2025150590A1
A toxic gas inhibitor for a fire, according to an embodiment of the present invention, comprises: at least one first material having decomposition onset temperatures; and a second material mixed with the first material to bind the first material, wherein the first material is decomposed, when reaching the decomposition onset temperatures, thereby detoxifying toxic materials generated during a secondary-battery fire.
Resumen de: WO2025150617A1
The present invention relates to a solid electrolyte slurry and a preparation method therefor, and, more specifically, the method comprises: preparing a slurry mixture by mixing a solid electrolyte, a binder and a solvent; performing primary kneading on the slurry mixture in which the solid amount has adjusted to 65-80 wt%; injecting a solvent into the slurry mixture in which the primary kneading has been completed; and performing secondary kneading on the slurry mixture in which the solid amount has been adjusted to 55-65 wt%.
Resumen de: WO2025150642A1
Disclosed are: a composite positive electrode active material including a core and a shell disposed on at least a portion of the core, wherein the core includes a composite of Li2S, a first ionic compound, and a first carbon-based material, and the shell includes an organic filler, the organic filler including a second ionic compound, a polymer, a phosphorus (P)-containing compound, or a combination thereof; a positive electrode including same; and an all-solid secondary battery including same.
Resumen de: WO2025150819A1
An apparatus for diagnosing a battery, according to one embodiment of the present invention, comprises: a profile acquisition unit for acquiring a differential profile indicating a correspondence relationship between a voltage and a differential capacity of a battery; and a control unit, which determines a first target peak from among a plurality of peaks included in the differential profile, determines a voltage pattern of the first target peak on the basis of a voltage profile indicating a time series change of the first target peak, and diagnoses the state of the battery according to the determined voltage pattern.
Resumen de: WO2025150872A1
A cell module assembly according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a bus bar housing disposed on the side which electrode leads of the battery cells face; an inter connection board (ICB) disposed in the bus bar housing and comprising a printed circuit board (PCB) having at least one device to transmit data between the battery cells and a battery management system (BMS), and a sensing cable connector to which a sensing cable is coupled; and a connector cover covering the sensing cable connector and the outer surface of a connector pin of the sensing cable.
Resumen de: WO2025150880A1
A method for producing a negative electrode active material for a secondary battery according to exemplary embodiments of the present invention comprises the steps of: introducing a negative electrode active material powder and a first binder powder into a mixer; introducing a first solvent into the mixer and performing first mixing to form a preliminary negative electrode composition; and after the formation of the preliminary negative electrode composition, introducing a second binder powder into the mixer and performing second mixing to form a negative electrode composition.
Resumen de: WO2025150878A1
A method for preparing a negative electrode active material for a secondary battery according to exemplary embodiments of the present disclosure comprises a step of mixing a first binder containing at least one of carboxymethyl cellulose including an acyclic hemiacetal functional group and a salt thereof, and a second binder containing at least one of carboxymethyl cellulose including no acyclic hemiacetal functional group and a salt thereof, wherein the weight average molecular weights of the first and second binders are 300,000 g/mol (exclusive) to 3,500,000 g/mol (exclusive).
Resumen de: WO2025150869A1
According to some embodiments, a battery diagnosis device includes: a data management unit configured to collect an electrical signal data set of a welding process for forming an electrode tab in a plurality of sample battery cells and collect a fracture energy data set of a fracture experiment for measuring tensile strength while separating the electrode tab from the plurality of sample battery cells; and a control unit configured to generate a fracture energy estimation model for estimating fracture energy values corresponding to electrical signal values on the basis of the electrical signal data set and the fracture energy data set, and estimate fracture energy values corresponding to electrical signal values of a target battery cell by using the fracture energy estimation model.
Resumen de: WO2025150865A1
A battery pack according to one embodiment disclosed in the present document comprises: a first module including a plurality of battery cells; a second module connected in series to the first module and disposed in a first direction from the first module; and a third module connected in series to the second module and disposed in the first direction from the second module, wherein the first module, the second module and the third module have capacities that differ from each other.
Resumen de: WO2025151421A1
Disclosed herein is a rechargeable battery, the rechargeable battery including a cathode, an anode comprising a metal, where the metal of the anode forms a metal-ion of a superoxide-peroxide redox pair, and an electrolyte, where the electrolyte includes a non-aqueous solvent, a first electrolyte salt, and a second electrolyte salt, where the second electrolyte salt comprises an anionic moiety and a solvent moiety, and where the solvent moiety is covalently coupled to the anionic moiety. Also disclosed are methods of making the same.
Resumen de: WO2025150928A1
According to exemplary embodiments, a battery pack is provided. The battery pack comprises: a pack housing including a base plate and side walls; a plurality of battery cell assemblies arranged on the base plate; a plurality of first thermal interface material (TIM) layers interposed between the plurality of battery cell assemblies and the pack housing; a lead coupled to the side walls; and second TIM layers interposed between the lead and the plurality of battery cell assemblies, wherein each of the plurality of battery cell assemblies comprises a plurality of battery cells arranged along a first direction, and a plurality of cooling fins interposed between the plurality of battery cells and having an L-shape.
Resumen de: WO2025150888A1
The present invention relates to a positive electrode and a manufacturing method therefor. The positive electrode includes, as a positive electrode active material, lithium manganese iron phosphate having an olivine structure, and thus exhibits high structural stability. In addition, since the lithium manganese iron phosphate is doped and/or substituted with one or more metals to enable easy control of particle size distribution, the positive electrode including same has advantages of excellent rolling density and excellent energy density.
Resumen de: WO2025150933A1
The present invention provides an electrolyte injection and impregnation device (10) comprising: a seating part (100) on which a plurality of battery cells (50) are seated; a plurality of hoppers (200) respectively connected to the plurality of battery cells (50) seated on the seating part (100); an electrolyte supplier (300) connected to the plurality of hoppers (200); and a pressure reducing source (P1) and a pressure increasing source (P2) which are connected to the plurality of hoppers (200). Through the plurality of hoppers (200), an electrolyte is injected into the plurality of battery cells (50), and the inside of the plurality of battery cells (50) can be reduced to a pressure lower than atmospheric pressure and increased to a pressure greater than atmospheric pressure.
Resumen de: WO2025150932A1
The technical idea of the present invention provides an apparatus for manufacturing a secondary battery, wherein the apparatus is configured to manufacture an electrode assembly and the electrode assembly comprises: a folding device including multiple unit cells stacked in a first direction, and a separation film sheet wound to cover an upper surface, a bottom surface, a first side surface, and a second side surface of each of the multiple unit cells; a cutting device configured to cut a first side portion of the separator sheet to form a first cutting area extending in a second direction in the separation film sheet; and a taping device configured to attach tape connecting two portions of the separation film sheet separated by the first cutting area to the separation film sheet.
Resumen de: WO2025150950A1
According to embodiments of the present invention, by replacing oxygen (O), which is a monoanion included in a coating layer, with a polyanion (P-O) including phosphorus (P), conventional metal materials can be replaced, and the electrochemical safety of an all-solid-state battery can be improved.
Resumen de: WO2025150906A1
The present invention relates to a positive electrode active material and a positive electrode comprising same. The positive electrode active material includes a compound having an olivine structure in a core thereof and represented by chemical formula 1, and thus has high safety and excellent economic efficiency. In addition, the positive electrode active material not only has a core with a large specific surface area by including the compound represented by chemical formula 1, but also can more uniformly include a porous carbon layer on the surface of the core due to being prepared by chemical vapor deposition (CVD) using a solid-state carbon source. Therefore, the positive electrode comprising same has the advantages of having excellent output performance during charging and discharging and having excellent lifespan characteristics.
Resumen de: WO2025151017A1
The present invention relates to a cathode active material, a method for preparing same, and a cathode and a lithium secondary battery each comprising same, wherein the cathode active material comprises: a lithium-rich manganese-based oxide including both a Li2MnO3 phase and a LiM'O2 phase (where, M' is an element including at least one selected from Ni and Mn); and a coating part formed on the lithium-rich manganese-based oxide, the lithium-rich manganese-based oxide containing at least two doping elements (Q) selected from W, Al, Co, Zr, Re, V, Cr, Fe, Ga, Si, B, Ru, Ti, Nb, Mo, Mg, Na, and Pt, the coating part containing at least one coating element (R) selected from Zn, Al, Co, Ti, Nb, V, Mo, W, B, and Ni, and satisfies formula 1 described in the present specification.
Resumen de: WO2025150891A1
The present invention relates to a positive electrode and a manufacturing method thereof. The positive electrode has a positive electrode active layer containing both a first positive electrode active material having an olivine crystal structure and a second positive electrode active material having a layered crystal structure, and thus has a high degree of safety and excellent positive electrode charge/discharge capacity. In addition, the positive electrode includes a first positive electrode active material containing three or more metals other than lithium and represented by chemical formula 1, and thus has the advantages of excellent energy density and output.
Resumen de: WO2025150930A1
A winding apparatus is disclosed. The disclosed invention comprises a push member disposed between an input port and a camera for photographing the input port, which is arranged at one side of a rewinder for winding an electrode and a separator, wherein the push member comprises a protruding plate which is disposed between the camera and the input port, and a photographing passage which opens a part of the push member so that at least a part of the input port can be open toward the camera.
Resumen de: WO2025150875A1
According to an embodiment of the present invention, a cell module assembly comprises: a battery cell stack in which multiple batteries are stacked; a bus bar housing disposed on a surface to which an electrode lead of a battery cell is directed; an inter-connection board (ICB) including a printed circuit board to transmit data between the battery cell and a battery management system (BMS); and a sensing cable for electrically connecting the ICB and the BMS to each other, wherein the bus bar housing includes at least one sensing cable fixing unit protruding from an outer surface of the bus bar housing to fix the sensing cable and having a bent and extending shape, and the sensing cable is inserted and fixed in a gap between the outer surface of the bus bar housing and the sensing cable fixing unit.
Resumen de: WO2025150912A1
The purpose of the present invention is to provide an electrolyte additive, for a lithium secondary battery, represented by chemical formula 1, and an electrolyte for a lithium secondary battery and a lithium secondary battery each comprising same. Chemical formula 1 In chemical formula 1, R1 to <sb />R4 each independently represent hydrogen, deuterium, a C1-C6 alkyl group, or a C3-C6 cycloalkyl group, and n represents an integer of 0 to 2. The electrolyte additive for a lithium secondary battery according to the present invention can enhance the high-temperature lifespan of the lithium secondary battery and improve the capacity recovery rate, thickness increase rate, and resistance increase rate during high-temperature storage.
Resumen de: WO2025150864A1
A cell module assembly, according to one embodiment of the present invention, may comprise: a battery cell stack in which a plurality of battery cells are stacked; and a blocking unit disposed between at least one and at least another one of the plurality of battery cells, wherein the blocking unit may include a plurality of support plates and a first buffer member that is interposed between adjacent support plates.
Resumen de: WO2025150922A1
The present invention relates to a sulfide-based solid electrolyte comprising a lithium element, a phosphorus element, a sulfur element, a halogen element, and a boron-based element while comprising an argyrodite-based compound having an argyrodite crystal structure. The sulfide-based solid electrolyte of the present invention can exhibit improvements in electrochemical stability and stability in the air by substitution of some in the crystal structure with boron-based elements.
Resumen de: WO2025150830A1
The present invention relates to a separator substrate, a separator, an electrode assembly, and an electrochemical device. The separator substrate, according to an embodiment of the present invention, comprises a polyolefin-based porous substrate which has regions with different porosities, wherein a silicone rubber is coated on the region with lower porosity.
Resumen de: WO2025150844A1
The present invention relates to a positive electrode material, and a positive electrode and a lithium secondary battery comprising same, the positive electrode material comprising: a first positive electrode active material having an olivine structure; and a second positive electrode active material which is a lithium nickel-based oxide having a layered structure and having a larger average particle diameter (D50) than that of the first positive electrode active material, wherein the first positive electrode active material has an average particle diameter (D50) of 0.5 ㎛ to 10 ㎛ and contains 2 wt% to 3.5 wt% of carbon (C), and the first positive electrode active material is included in an amount of 35 wt% (inclusive) to 90 wt% (exclusive) with respect to the total weight of the first positive electrode active material and the second positive electrode active material.
Resumen de: WO2025150829A1
According to some embodiments, a simulation system comprises: an interface panel configured to receive an operation input from a worker; a main simulator configured to load, on the basis of the operation input, training content for reproducing processes for manufacturing a cylindrical battery through etching electrodes, and provide the training content to the worker through interaction with the worker; and a display configured to display a detailed image pertaining to the processes on the basis of the characteristics of the training content.
Resumen de: WO2025150841A1
According to exemplary embodiments, a battery pack is provided. The battery pack comprises: a pack housing including a base plate and sidewalls; a plurality of battery cell assemblies arranged on the base plate, each of the plurality of battery cell assemblies including a plurality of battery cells and an integrated circuit assembly that is coupled to the plurality of battery cells and includes a first antenna; a battery management system (BMS) including a second antenna; and a lead coupled to the sidewalls, wherein the lead includes a waveguide overlapping the first antenna of each of the plurality of battery cell assemblies and the second antenna, and includes a base portion and a raised portion spaced farther from the base plate than from the base portion, the waveguide being in the raised portion.
Resumen de: WO2025150828A1
According to some embodiments, the battery inspection system includes: a transfer device configured to transfer a battery cell; an inspection device configured to generate a plurality of inspection images for the battery cell; and a control device configured to determine a correction value for external dimensions of the battery cell on the basis of the plurality of inspection images, and determine whether the battery cell is defective, on the basis of the correction value.
Resumen de: WO2025150825A1
According to an embodiment of the present invention, provided is a secondary battery comprising: an electrode assembly comprising a positive electrode, a negative electrode, and a separator; and an electrolyte, wherein the electrode assembly includes two or more unit cells and one or more insulation materials, and at least one of the one or more insulation materials is located between the two or more unit cells.
Resumen de: WO2025150986A1
A cell tracking method, according to one embodiment of the present disclosure, may comprise the steps of: acquiring a cell ID corresponding to a semi-finished cell; acquiring a holder ID corresponding to a holder in which the semi-finished cell is disposed; and matching the cell ID with the holder ID.
Resumen de: US2025230569A1
A method of manufacturing a composite metal foil includes providing a first metal layer and forming a second metal layer on a surface of the first metal layer through electroplating. The first metal layer is copper foil, nickel foil, stainless steel foil, or a combination thereof. A contact angle of a surface of the second metal layer to liquid lithium metal is lower than 90 degrees.
Resumen de: US2025230045A1
The present invention relates to a method for producing a salt of bis(chlorosulfonyl) imide, which is economically feasible at industrial scale and which provides a high-purity product.
Resumen de: US2025228303A1
A technology is provided that can flexibly adjust power consumption in a system in which a charging device for charging an aerosol generation device communicates with a terminal device, the power consumption being due to the communication. An operating method for a terminal device that communicates with a charging device for charging an aerosol generation device. The method includes a step in which charging information relating to a battery of the charging device is acquired from the charging device; a step in which a charging status of the battery is evaluated on the basis of the charging information; and a step in which the possibility or impossibility of communication between the terminal device and the charging device is determined on the basis of the charging status.
Resumen de: US2025228290A1
An electronic cigarette structure that can be quickly disassembled and assembled is provided, which includes a cigarette holder module, a battery cell module, and a host module. The cigarette holder module is provided with the battery cell module and the host module; the battery cell module includes a battery cell upper cover, a stainless-steel shell, a soft pack battery cell, a charging board, a second Type-C female terminal, and a battery cell lower cover. The host module includes a bracket, a magnet, a conductive pin, a first Type-C male terminal, a scheme board, a first Type-C female terminal, a base, and a button. The electronic cigarette achieves rapid disassembly and assembly through a magnetic suction structure and Type-C interface insertion and extraction structure. On the basis of one-time use, it realizes functions of recycling and disassembly, extends the service life of the product, and reduces environmental pollution.
Resumen de: US2025230286A1
Disclosed are chemically end-capped polypiperazine pyrophosphate-modified ammonium polyphosphate with high temperature resistance and precipitation resistance, a preparation method therefor, and an apparatus and application thereof. The chemically end-capped polypiperazine pyrophosphate-modified ammonium polyphosphate flame retardant is formed by polypiperazine pyrophosphate modification based on ammonium polyphosphate, followed by end capping; and the polypiperazine pyrophosphate is prepared by polymerization of an intermediate piperazine diphosphate obtained through dehydration condensation of phosphoric acid and piperazine. The chemically end-capped polypiperazine pyrophosphate-modified ammonium polyphosphate flame retardant of the present solution is prepared by using special equipment, which ensures whiteness and thermal stability of product, and improves properties of ammonium polyphosphate. The chemically end-capped polypiperazine pyrophosphate-modified ammonium polyphosphate flame retardant is further applied to preparation of flame-retardant polypropylene, so that flame-retardancy, temperature resistance and precipitation resistance of the flame retardant in a polypropylene system can be improved.
Resumen de: US2025231244A1
Provided are wireless acquisition device and method for battery safety monitoring of a battery cluster. The device includes a wireless acquisition side, and a wireless reception side. The wireless acquisition side is fixedly arranged on a single battery in a battery module box, and both ends of the wireless acquisition side are electrically and respectively connected to a cathode and an anode of the single battery where the wireless acquisition side is located, and configured to acquire a temperature, a voltage and a current of a battery cell, an atmospheric pressure in the battery module box, and gas composition in a sealed space. The wireless reception side is configured to receive data collected by the wireless acquisition side through wireless transmission, perform edge data processing on the data, and then transmit the data to a battery thermal management system.
Resumen de: US2025231125A1
The present invention relates to a method for calculating battery capacity characteristics, the method including: a negative electrode preparation step for preparing a negative electrode in which graphite and a SiO-based material to be tested are mixed; a charging step for charging a battery including the negative electrode; a data collection step for observing the negative electrode using XRD and thereby collecting time series data for CLi which is the peak value of Li, C6(t) which is the peak value of Li2C12, and C12(t) which is the peak value of LiC12; and a parameter calculation step for calculating parameter K, which is a parameter indicating the battery capacity characteristics, on the basis of the CLi, C6(t), and C12(t) when the time differential value for the C6(t) or the C12(t) is 0, and to a battery in which the value of parameter K is at least 12 times the weight fraction of the SiO-based material in the negative electrode.
Resumen de: US2025230978A1
A drying device includes a solvent supply unit for spraying a solvent onto a non-coated portion, the solvent supply unit including a main flow path sequentially passing through N solvent spray nozzles disposed along a width direction (TD), a sub-flow path branched from the main flow path, and a valve located at a branching point thereof, which may be configured to close the main flow path to allow solvent to flow into the sub-flow path by operation of the valve.The drying device is such that the solvent supply to some of the solvent spray nozzles of the plurality of solvent spray nozzles that do not require solvent spray can be blocked by causing the valve to divert the solvent into a sub-flow path. Thus, depending on the type of electrode coating, it is not necessary to change the design of the solvent supply unit.
Resumen de: US2025231243A1
Proposed is a fuzzy-logic-based method for calculating the state safety of an energy storage system. The method may be performed by a state safety calculation apparatus. The method may also include defining a voltage safety membership function and a temperature safety membership function, and collecting information about charging state, voltage, and temperature from the energy storage system. The method may further include calculating integrated levels of safety by applying a fuzzy rule to the voltage safety membership function and the temperature safety membership function with respect to the collected information. The method may further include calculating the total integrated level of safety by summing the calculated integrated levels of safety; and calculating the momentary integrated level of safety through defuzzification of the total integrated level of safety.
Resumen de: US2025233125A1
The present disclosure provides a lithium iron phosphate battery and a hybrid vehicle. The lithium iron phosphate battery includes a first cathode active material, a second cathode active material, a first anode active material, and a second anode active material. A median particle size of the first cathode active material is different from a median particle size of the second cathode active material. A median particle size of the first anode active material is different from a median particle size of the second anode active material.
Resumen de: US2025233130A1
An electrode having a multilayer structure formed by stacking a plurality of unit electrode active material layers. The electrode is formed from granules comprising an electrode material densely packed in each unit electrode active material layer, and even though different types of electrode active materials are used in each unit electrode active material layer, the intermixing of the electrode active materials does not occur at or near the interface of the unit electrode active material layers, resulting in less interferences of electrochemical properties between the different types of electrode active materials. Additionally, the electrode active material layer has higher porosity of the unit electrode active material layer closer to the electrode surface than the unit electrode active material layer closer to the current collector. Accordingly, it is possible to improve electrolyte wetting and ionic conductivity of the electrode.
Resumen de: US2025233148A1
Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery. The negative electrode includes a current collector; and a negative active material layer, wherein the negative active material layer includes a first active material layer on the current collector and including a first crystalline carbon, a Si—C composite, and a first binder; and a second active material layer on the first active material layer and including a second crystalline carbon, a Si—C composite, and a second binder, a particle diameter of the first crystalline carbon is smaller than a particle diameter of the second crystalline carbon, and based on the total negative active material layer, an amount of the first binder is larger than an amount of the second binder, an amount of the Si is about 3 wt % or more based on 100 wt % of the negative active material layer.
Resumen de: US2025233121A1
An electrode coating device includes a front surface coating part, which is provided on a traveling path of a current collector, for coating a slurry on the front surface of the current collector, a back surface coating part, which is provided on the traveling path, for coating the slurry on the back surface of the current collector passing through the front surface coating part, and a guide roll including a core part having a rotating shaft, and a surface part surrounding the core part and formed of a material different from that of the core part, and transferring the current collector in a state where the back surface of the current collector faces the back surface coating part. A guide roll is also provided.
Resumen de: US2025233133A1
A positive electrode active material including core particles including layered lithium nickel-manganese-based composite oxide, wherein each core particle is a secondary particle formed by agglomerating a plurality of primary particles, and a crystal size of the primary particle is about 105 nm to about 115 nm.
Resumen de: WO2025148724A1
An electrode sheet (10) and a secondary battery. The electrode sheet comprises a current collector (11), a first insulating layer (12), a second insulating layer (13), a first adapter portion (14a) and a second adapter portion (14b), wherein the current collector (11) comprises a first metal layer (112), a polymer layer (111) and a second metal layer (113), which are sequentially arranged, the first metal layer (112) having a first surface (1121) facing away from the polymer layer (111), the second metal layer (113) having a second surface (1131) facing away from the polymer layer (111), and in the widthwise direction of the current collector (11), the current collector (11) comprising a coating section (11a) and an empty foil section (11b), which are connected to each other; the first insulating layer (12) is arranged on the coating section (11a) on the first surface (1121) and extends to the empty foil section (11b); the second insulating layer (13) is arranged on the coating section (11a) on the second surface (1131) and extends to the empty foil section (11b); the first adapter portion (14a) is electrically connected to the current collector (11) on the first surface (1121) of the empty foil section (11b), the distance between the first adapter portion (14a) and the first insulating layer (12) is L1 mm, and 0 mm≤L1≤1 mm; and the second adapter portion (14b) is electrically connected to the current collector (11) on the second surface (1131) of the empty foil section (
Resumen de: WO2025148601A1
A negative electrode material and a preparation method therefor and the use thereof, and a lithium-ion battery. The preparation method for the negative electrode material comprises the following steps: (1) mixing graphitized needle coke, supercritical-fluid-stripped graphene and chitosan to obtain a mixture; and (2) carbonizing the mixture to obtain a negative electrode material. In the method, the graphitized needle coke and the supercritical-fluid-stripped graphene are used in combination with the chitosan, and a graphitized needle coke negative electrode material modified by a graphene two-dimensional laminated structure is obtained by means of solid-phase physical stirring and mixing and carbonization treatment, thereby achieving rapid transport of lithium ions, and providing excellent rate capability and cycle performance.
Resumen de: WO2025148600A1
Disclosed are a graphite negative electrode material, a preparation method therefor and a use thereof, and a lithium-ion battery. The preparation method for the graphite negative electrode material comprises the following steps: (1) dissolving chitosan in a solvent to obtain a chitosan solution, and adding graphite and supercritical fluid-exfoliated graphene into the chitosan solution for mixing to obtain a mixture; and (2) drying the mixture, and then performing carbonization treatment to obtain the graphite negative electrode material.
Resumen de: WO2025148749A1
An insulating adhesive and a secondary battery. The insulating adhesive comprises a first insulating adhesive layer, a second insulating adhesive layer and a third insulating adhesive layer, which are stacked in sequence along a first direction. A degree of swelling of the insulating adhesive when soaked in dimethyl carbonate for 4 hours at room temperature is less than or equal to 5%. Packaging tension between the insulating adhesive and a packaging bag of the secondary battery is high, and a sealing effect is good.
Resumen de: US2025231245A1
A processor of a battery device performs a precharge operation by closing a precharge switch during a precharge duration, closing a positive main switch in response to the precharge operation being complete, and diagnosing the precharge operation based on a voltage of a positive connection terminal measured when the positive main switch is about to be closed and the voltage of the positive connection terminal measured as soon as the positive main switch is closed.
Resumen de: US2025231242A1
A battery managing apparatus according to an embodiment of the present disclosure includes a profile acquisition unit configured to acquire a first profile for each of a plurality of batteries included in a battery pack; and a diagnosis unit configured to calculate a target ratio from each of the plurality of first profiles, calculate each target value as a diagnostic factor based on a plurality of calculated target ratios, generate a distribution profile indicating a correspondence relationship between a plurality of calculated target values and the number of each of the plurality of target values, determine whether the distribution profile satisfies a predetermined condition, and diagnose a state of the battery pack according to a determination result.
Resumen de: US2025230901A1
Methods and structures are disclosed to dispense a liquefied gas solution from a liquefied gas solution (LGE) container. The LGE container comprises a temperature sensor to detect the temperature of the liquefied gas solution within the LGE container. The LGE container temperature is controlled using a temperature control element and a processor connected to the temperature sensor and to the temperature control element. The LGE is transferred from the container into a secondary container through a valve. The method includes the following steps: (a) opening the valve to allow the LGE to flow from the LGE container into the secondary container; (b) taking readings from the temperature sensor; and (c) based on the temperature readings, heating the LGE container to maintain the temperature of the LGE container at a predetermined temperature or within a predetermined temperature range.
Resumen de: US2025234675A1
Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least two access ports and at least one USB port. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.
Resumen de: US2025234115A1
A power tool having multiple wireless communication states and a method of wirelessly communicating by a power tool. The power tool includes a motor, a battery pack interface that selectively receives a battery pack, a backup power source, and a wireless communication controller coupled to the backup power source and the battery pack interface. The wireless communication controller operates in a connectable state when coupled to a battery pack and transmits tool operational data to the external device and receives tool configuration data from the external device. The wireless communication controller operates in an advertisement state when the wireless communication controller is coupled to and powered by the backup power source. In the advertisement state, the wireless communication controller is configured to transmit the unique tool identifier. The external device may also display an indication of the communication state of the power tool.
Resumen de: WO2024052451A1
The present invention relates to a battery module wherein the electric cells are potted into a potting material and the potting material is obtained by mixing (a) one or more organic polyisocyanates, (b) one or more polymeric compounds having at least two isocyanate-reactive hydrogen atoms, (c) 0.5 to 15 wt.-%, based on the total weight of components a) to f), of one or more chain extenders, comprising O-H- chain extenders (c1) and aromatic diamine curing agents (c2), (d) optionally one or more cross linkers, (e) one or more aromatic diamine curing agents, (f) one or more catalysts, (g) 2 to 20 wt.-% based on the total weight of components a) to g), of one or more flame retardants, (h) at least one blowing agent and (i) optionally fillers and/or polyurethane additives, to give a reaction mixture and allow the reaction mixture to cure. The present invention is further directed to a method of producing a battery module wherein the electric cells are potted into a potting material and the potting material is obtained by inserting a reaction mixture according to the invention into the spaces between the adjacent electric cells of a battery case having the electric cells arranged within and allowing the reaction mixture to cure.
Resumen de: EP4585947A1
The present disclosure discloses a current detection method, a capacity prediction method, and a screening method for battery self-discharge, a device and a medium. In the current detection method for battery self-discharge, a battery is charged with a tiny current by a regulated power supply under a preset condition. During a charging process, a charging current provided by the regulated power supply is adjusted until a voltage of the battery remains stable. When the voltage of the battery to be tested remains stable, the charging current is determined as a self-discharge current of the battery under the preset condition.
Resumen de: EP4585353A1
A cutting apparatus (10) for producing an electrode film (E0, 101, 102) usable for producing electrical energy storage devices starting from an incoming film (F1, F1', F1"), comprising a continuous movement device (11) and a cutting unit (14), wherein said cutting unit (14) comprises two laser head devices (17) configured to each generate and focus a respective laser beam (FL) along a desired optical axis (Z), each laser head device (17) comprising two optical movement devices (21) configured to receive and direct the respective laser beam (FL) in such a way as to hit said incoming film (F1, F1', Fl"), and at least one control unit (22a, 24a) configured to control said two optical movement devices (21) so as to selectively move said laser beam (FL) hitting said film (F1, F1', F1") along two respective axes (X, Y) perpendicular to each other and also to said optical axis (Z), so that said two laser head devices (17) in combination are able to continuously perform notching cutting and singularization of said film (F1, F1', F1") in the same passage.
Resumen de: EP4586348A1
An apparatus (10) for stacking monocells (100) for producing electrical energy storage devices, each consisting of electrode films (101, 102), and at least one separator (103) interposed between them (101, 102), The apparatus (10) comprises a transport member (13) which receives a stack (12) of monocells (100) and a collection device (14) provided with a support member (15) movable along a functional axis (F) between a collection position, in which it is within the overall dimensions of one of the monocells (100), and a rest position, in which it is outside the overall dimensions of that monocell (100), and a movement member (16) selectively movable, independently of the support member (15), along a stacking axis (S) between a support position, in which it cooperates with the support member (15), and at least one release position, in which it positions the monocells (100), in cooperation with the transport member (13).
Resumen de: EP4585457A1
A battery pack for generating a synchronization signal according to an embodiment disclosed herein includes one or more battery modules including a plurality of battery cells capable of supplying power to a motor of a vehicle and a battery management system electrically connected to another battery management system of another battery pack, in which the battery management system is configured to transmit a designated first synchronization signal to the other battery pack before performing a designated task, and receive a designated second synchronization signal from the other battery pack, determine a reference synchronization signal based on the first synchronization signal and the second synchronization signal, and perform the designated task based on the reference synchronization signal.
Resumen de: US2025198044A1
A system or method to fabricate a nano surface on a conductive device, including a high voltage DC power source, a pulse generator connected to the power source, a fluid container, in which the electrolyte solution is placed and a cathode and an anode. The anode may be the conductive device and the anode and cathode are connected to the pulse generator with both being positioned within the fluid container and submerged in the electrolyte solution. The delivery of nanosecond pulses of electricity to the electrodes nanosurface the conductive material. The disclosure further includes methods to create a nano surface or texture on a conductive device having for example the steps of cleaning or pretreating the conductive device.
Resumen de: CN119816956A
The present disclosure provides methods and systems for recycling and upgrading reconstituted waste battery cathode materials. In some embodiments, the method may include separating cathode material of a spent battery into a plurality of sets of particles, where a first set of the plurality of sets of particles includes first particles having a first size and a second set of the plurality of sets of particles includes second particles having a second size. The method further includes generating a first precursor solution using the first set of particles; generating a second precursor solution using the second set of particles; generating a first cathode material using the first precursor solution; and generating a second cathode material using the second precursor solution.
Resumen de: WO2024054684A1
A method for discharging end-of-life batteries prior to dismantling and recycling involves recovering residual stored electrical energy by draining the battery to a zero charge state, and reverse biasing the battery to bring the potential from a zero charge state of around 2.7 V to a zero or near zero energy state. The reverse bias inverts the normal usage polarity for inducing a reverse current flow, and continues based on formation of internal short circuits formed on the cathode current collector for rendering the battery with little to no energy storage for safe agitation and dismantling.
Resumen de: CN119816475A
A method comprising: providing a metal salt solution comprising nickel, cobalt, manganese, aluminum, or a combination thereof; the metal salt solution is combined with an alkaline solution, where the combination of the metal salt solution and the alkaline solution is maintained at a pH of not greater than 10 to form a metal hydroxide precursor. To form the cathode active material, the method further includes adding a lithium compound to the metal hydroxide precursor to form a metal hydroxide precursor mixture; and heat treating the metal hydroxide precursor mixture to form the single crystal cathode active material.
Resumen de: CN119836698A
The present invention relates to a binder composition for a positive electrode comprising a polymer P1 containing repeating units derived from vinylidene fluoride and a hydrophilic polymer P2 containing repeating units derived from at least one monomer of formula R1R2C = C (R3) C (O) R (I) wherein R1, R2 and R3 are independently selected from H and C1-C5 alkyl; r is selected from-NHC (CH3) 2CH2C (O) CH3,-NR 'R "or-OR', where R 'and R" are independently selected from H and C1-C18 alkyl optionally substituted by one or more hydroxyl, thiol or amino functional groups or five to six membered heterocycles comprising at least one nitrogen atom in the ring, characterized in that the hydrophilic polymer P2 has a weight average molecular weight greater than 30000 g/mol, advantageously greater than 50000 g/mol, preferably greater than 65000 g/mol, more preferably greater than 80000 g/mol.
Resumen de: WO2024052473A1
According to an embodiment a method is disclosed for designing a heat sink (500- 508) comprising a container with means to guide a coolant from an inlet (100) to an outlet (200) designed to exchange heat with a component comprising the steps of generating a first mesh (600) comprising elements defining a discretized shape of a container in a massive state; generating a heat map of the container by imposing a thermal load of the component thereon thereby identifying thermal spots; repeatedly solving fluid flow equations and energy equations imposed on the first mesh through a topology optimization method by minimizing the heat sink (500-508) thermal resistance and/or maximizing the heat sink thermal uniformity; wherein the method further comprises the step of imposing a channel (400-402) on the first mesh (600) by connecting the inlet (100) with the outlet (200) via the thermal spots thereby identifying obstacles (300-302) within the first mesh (600) for the coolant; and wherein the solving step is up front performed on elements associated with the channel.
Resumen de: CN119856287A
The invention relates to an electrode powder composition, to a method for the production thereof and to the use thereof for producing electrochemical cell parts.
Resumen de: CN119855935A
A target (2) for sputtering in an intermediate frequency alternating current sputtering process or direct current sputtering process, the target (2) comprising a layer (21) of target material predominantly comprising M-doped LixPOy, where x is from 2.5 to 3.5 and where y is from 2.5 to 4.5, where M represents at most 40% by weight of the layer (21) of target material, and where M is at least one chemical element from Groups 13 to 15 of the Periodic Table of Elements, wherein M is selected to provide electrical conductivity to the target material layer (21) such that the resistivity of the target material layer (21) at room temperature is at most 1000 Omega * cm, and wherein the target material layer (21) has a lamellar structure consisting of microsplutters (3) of material.
Resumen de: EP4585941A1
An electronic device according to an embodiment disclosed herein includes a battery module including a plurality of battery cells, a sensor circuit configured to obtain state values of each of the plurality of battery cells, and a processor configured to obtain values related to states of each of the plurality of cells as input data through the sensor circuit, obtain feature data based on a feature matrix derived from the input data by using a designated matrix decomposition algorithm, and identify whether each of the plurality of cells is abnormal, based on the feature data, in which the feature matrix is a matrix where values of a designated number of major diagonal components among a plurality of diagonal components of a diagonal matrix for the input data are substituted by 0. The feature matrix may be a matrix where values of a designated number of major diagonal components among a plurality of diagonal components of a diagonal matrix for the input data are substituted by 0.
Resumen de: EP4585560A1
The present disclosure relates to a carbon nanotube dispersion including carbon nanotubes, a first dispersant having an amide group, a second dispersant having at least one functional group selected from the group consisting of hydroxyl and carboxyl groups, and sulfur. The present disclosure also relates to a method of preparing the dispersion, an electrode slurry composition including the dispersion, an electrode including the electrode slurry composition, and a secondary battery including the electrode.
Resumen de: EP4585940A1
An electronic device according to an embodiment disclosed herein obtains input data through a detection circuit, standardizes each of column vectors of the input data to obtain standardized data for the input data, obtains determination reference data based on the standardized data, and determines first state abnormality and/or second state abnormality of each of the M battery cells based on values indicated by the entries of respective row vectors of the determination reference data. The first state abnormality is determined based on a learning-based model, and the second state abnormality is determined based on a scheme other than the learning-based model.
Resumen de: EP4585314A1
According to embodiments, provided is an electronic device comprising: a first roller; a second roller arranged to face the first roller; and a drive unit that rotatably drives the first roller at a first speed and rotatably drives the second roller at a second speed to form, into a film, a mixture being input between the first roller and the second roller.
Resumen de: EP4586291A1
The present disclosure provides a nonaqueous lithium electricity storage element having high high-temperature cycle durability. The nonaqueous lithium electricity storage element comprises a positive electrode including a positive-electrode active material layer, a negative electrode, a separator, and a nonaqueous electrolytic solution containing lithium ions. The positive-electrode active material layer comprises a positive-electrode active material and an alkali-metal compound. The negative electrode includes a negative-electrode active material layer, the surface of which, when photographed in the state of being not exposed to the air with a scanning electron microscope at a magnification of 100 diameters, gives a secondary-electron image. Binarizing the pixels of the secondary-electron image by lightness gives an image in which a light region and a plurality of dark regions corresponding to deposits formed on the surface of the negative-electrode active material layer are present. When one pixel is taken as 1.46 µm, the areas of the individual dark regions have a maximum value S pixel<sup>2</sup> of 4,000 or less.
Resumen de: EP4586347A1
A battery cell and a method of manufacturing the battery cell are disclosed. A battery cell includes an electrode assembly including a first electrode plate and a second electrode plate, a case in which the electrode assembly is accommodated, a cap assembly covering an open area of the case, and a gasket located between an upper portion of the electrode assembly and the cap assembly and located in close contact with the case.
Resumen de: EP4585660A1
An adhesive composition includes a crystalline modified olefin polymer, an acid anhydride monomer, and a cross-linking agent. The crystalline modified olefin polymer is obtained by modifying a crystalline α-olefin polymer having 2 to 20 carbon atoms with a monomer having a functional group capable of reacting with an epoxy group or an oxazoline group. The acid anhydride monomer has a ring structure and two or more acid anhydride groups. The cross-linking agent includes an epoxy compound and/or an oxazoline compound.
Resumen de: EP4586342A1
Provided is a graphite dispersion for a battery electrode, which is suitable for production of a battery electrode of a lithium ion battery or the like. The graphite dispersion for a battery electrode of the present disclosure includes at least graphite particles having an average particle size of 5 to 50 µm, a dispersing agent, and water.
Resumen de: EP4586488A1
A power conversion apparatus includes: an upper arm switch (SWH) and a lower arm switch (SWL) that are connected in series; a first capacitor (21) that is electrically connected in parallel to the upper arm switch and the lower arm switch; a coil (11) of which a first end side is electrically connected to a connection point between the upper arm switch and the lower arm switch; a second capacitor (90); a high-potential-side electrical path (22H) that is electrically connected to the upper arm switch; and a low-potential-side electrical path (22L) that is electrically connected to the lower arm switch. One of the high-potential-side electrical path and the low-potential-side electrical path and a second end side of the coil are electrically connected via the second capacitor. The other of the high-potential-side electrical path and the low-potential-side electrical path and the second end side of the coil are electrically connected via a power storage unit (33). The power conversion apparatus includes a control unit (100) that performs switching of the upper arm switch and the lower arm switch.
Resumen de: EP4586447A1
In a deterioration inhibition control system, a data obtainment unit obtains battery data including a voltage and an electric current of a secondary battery. A deterioration estimation unit estimates, based on the battery data of the secondary battery, a rate of decrease in an excess capacity of a positive electrode from an initial excess capacity to a current excess capacity of the positive electrode and a rate of decrease in an excess capacity of a negative electrode from an initial excess capacity to a current excess capacity of the negative electrode. When the rate of decrease in the excess capacity of the positive electrode is greater than the rate of decrease in the excess capacity of the negative electrode, a charging/discharging control unit switches charging/discharging control to charging/discharging control that prioritizes deterioration inhibition for the positive electrode, and when the rate of decrease in the excess capacity of the negative electrode is greater than the rate of decrease in the excess capacity of the positive electrode, the charging/discharging control unit switches the charging/discharging control to charging/discharging control that prioritizes deterioration inhibition for the negative electrode.
Resumen de: EP4585308A1
Bei einem Verfahren zum Direktrecycling von Elektrodenschrotte, anfallend als Produktionsabfall bei der Produktion von Lithium-Ionen-Batterien soll in Verfahren zur Verfügung zu stellen, welches es ermöglicht, Elektrodenschrotte aus der LIB-Produktion durch mechanisches Beanspruchen zu recyclen, ohne die Aktivmaterialen negativ zu verändern, damit dieses der Produktion wieder zugeführt werden kann. Dies wird dadurch erreicht, dass das mechanische Beanspruchen der Elektrodenschrotte ein Vorzerkleinern der Elektrodenschrotte zu Schüttgut und ein mechanisches Beanspruchen der vorzerkleinerten Elektrodenschrotte in konditionierter Atmosphäre in einer Fließbettgegenstrahlmühle umfasst.
Resumen de: EP4586332A1
The electrode assembly (100) includes a first electrode plate (10), a second electrode plate (20), and a separator (30). The first electrode plate (10) includes a first current collector (11) and a first tab (12). The first tab (12) extends from one side of the first current collector (11). In an extension direction of the first tab (12), the first tab (12) includes a first portion (121) and a second portion (122) which form a first step (13). The first portion (121) is cut before the formation of the electrode assembly (100), and the second portion (122) is cut after the electrode assembly (100) is formed. This ensures that a first uncoated foil region (15) can be fully cut off during a secondary cutting process to form a complete first tab (11), avoiding the problem of tab folding or reverse insertion during the formation of the electrode assembly (100).
Resumen de: EP4586351A2
A method for tracking a secondary battery manufacturing process is provided, which includes a plurality of sub-processes involving a respective semi-finished cell, wherein the plurality of sub-processes includes at least one sub-process in which a semi-finished cell is placed in a holder. The method comprises: obtaining a cell ID identifying the semi-finished cell; obtaining a holder ID identifying the holder in which the semi-finished cell is placed in a respective sub-process; and associating the cell ID with the holder ID.
Resumen de: EP4586335A1
An anode active material for a lithium secondary battery includes a silicon-based active material particle doped with a metal element and including pores. A porosity of the silicon-based active material particle is in a range from 0.4% to 3.5%. A lithium secondary battery includes the anode and a cathode facing the anode.
Resumen de: EP4586421A1
A high voltage box includes: a box (10), a cover plate (20), and electrical elements received in a receiving space inside the box. A top of the box defines an opening, and the cover plate covers the opening of the box. The box includes a first side panel (101) and a second side panel (102) opposite to the first side panel; the receiving space is defined between the first side panel and the second side panel; the electrical elements include a battery management system (302), a positive-electrode fuse (305) arranged on a positive-electrode circuit and/or a negative-electrode fuse (307) arranged on a negative-electrode circuit. The battery management system is located on a side of the receiving space near the first side panel; the positive-electrode fuse and/or the negative-electrode fuse is located on another side of the receiving space near the second side panel.
Resumen de: EP4586446A1
An acquisition unit of a charging control system acquires battery data including at least one of a current flowing through a battery and a temperature of the battery when the battery is charged. A detector thereof detects an abnormal phenomenon of the battery based on at least one of a behavior of the current and a behavior of the temperature when the battery is charged. A charging current changer thereof changes a current rate when the battery is charged next time to a value obtained by multiplying α (0 < a < 1) by the current rate when the abnormal phenomenon of the battery is detected.
Resumen de: EP4586385A1
A battery pack that can smoothly exhaust high-temperature and high-pressure gas to outside even if high-temperature and high-pressure gas is exhausted from a secondary battery cell inside the battery pack. Battery pack 100 includes a plurality of secondary battery cells 1, and outer covering case 10 housing the plurality of secondary battery cells 1. Outer covering case 10 includes gas exhaust hole 13 in a part thereof, and outer covering case 10 includes, inside thereof, an exhaust guide 6 defining gas guiding path 34 that guides gas to the gas exhaust hole 13 when the gas is released from any one of the plurality of secondary battery cells, and exhaust guide 6 includes inclined wall 18 inclined from an orientation facing the direction in which the gas is exhausted.
Resumen de: EP4586382A1
As a battery pack in which battery blocks are stacked in multiple layers, a battery pack is provided the thickness of which can be reduced even while space for gas ducts is secured. Battery pack 100 includes: first battery block 20A and second battery block 20B each including a plurality of secondary battery cells 1; spacer 30 disposed between first battery block 20A and second battery block 20B stacked; and outer covering case 10 that stores first battery block 20A, second battery block 20B, and spacer 30. Spacer 30 separates first battery block 20A and second battery block 20B from each other and includes partition 32 that defines first space 31A facing first battery block 20A and second space 31B facing second battery block 20B. Partition 32 includes fracture region 33 at least in regions facing secondary battery cell 1.
Resumen de: EP4586375A1
A cylindrical battery gasket (32) has insulation properties and is to be fitted with a sealing body (24) for sealing an opening of a bottomed exterior can (10) for a cylindrical battery. The gasket has a bottom part, and a cylindrical circumferential wall rising upwardly from a peripheral portion of the bottom part. An inclined surface (32A) is provided to the entire circumference of the outer circumference portion of the gasket in a manner such that the outer diameter of the circumferential wall increases upward and becomes larger than the inner diameter of an opening end part (10A) of the exterior can. The circumferential wall has a shape in which the thickness of the wall gradually increases toward the upper portion of the wall.
Resumen de: EP4586365A1
Die vorliegende Erfindung betrifft ein Trennverfahren zum Lösen einer stoffschlüssigen Verbindung zwischen einem Zellverbinder und einem Kontaktbereich einer Batteriezelle, so dass die Batteriezelle ohne weiterer Nacharbeitungsschritte erneut stoffschlüssig verbindbar ist, wobei auf die stoffschlüssige Verbindung eine Scherbelastung und/oder eine Schälbelastung und/oder eine Torsionsbelastung wirkt.
Resumen de: EP4586334A1
An anode for a secondary battery according to exemplary embodiments of the present disclosure includes: an anode current collector; a first anode active material layer which is disposed on at least one surface of the anode current collector and includes natural graphite and artificial graphite; and a second anode active material layer which is disposed on the first anode active material layer and includes a silicon-based active material, a graphite-based active material and carbon nanotubes. Accordingly, a lithium secondary battery having improved rapid charge/discharge cycle lifespan characteristics may be implemented.
Resumen de: EP4586366A1
A battery pack includes battery cells arranged in an array to form a battery module layer. Multiple layers are vertically stacked with thermal management devices, such as active heat exchangers in the form of battery cold plates (120), above and below each layer to form a multi-layer battery stack that may be held in compression. The battery cold plates include liquid heat exchange medium passageways (124), the characteristics of which influence the heating and cooling capabilities of the cold plates. The battery cold plates, including at least arrangement and features of the passageways across the battery cold plate, are optimized to achieve desirable pressure drop and temperature distribution across the cold plates, among other benefits.
Resumen de: EP4586387A2
The present disclosure relates to a separator for an electrochemical device and an electrochemical device including the same, and particularly, to a separator for an electrochemical device, which can increase the trapping effect of transition metal ions that are generated from a positive electrode and can prevent a by-product that is deposited at a boundary surface of a positive electrode from obstructing a pore because a content of inorganic matter particles included in a porous polymer base is differently implemented depending on the locations of the inorganic matter particles, and an electrochemical device including the same.
Resumen de: EP4586358A1
An electrode assembly (10) and a manufacturing method therefor, and a battery cell (100), a battery (200) and an electric device. The electrode assembly (10) comprises: first electrode sheets (1) and at least two second electrode sheets (2), wherein the first electrode sheets (1) and the at least two second electrode sheets (2) are arranged in a stacked manner and are bent to form at least one bent portion (S); the bent portion (S) comprises at least one bent section (S2) and at least two straight sections (S1); two adjacent straight sections (S 1) are connected by means of the bent section (S2); one first electrode sheet (1) is arranged between the two adjacent straight sections (S1); and the polarity of the first electrode sheets (1) is opposite to that of the adjacent second electrode sheets (2).
Resumen de: EP4586355A1
This application provides an electrolyte composition, a secondary battery, a battery module, a battery pack, and an electrical device. The electrolyte composition is a non-Newtonian fluid electrolyte composition. The electrolyte composition can improve the impact resistance and safety of the battery by a thixotropic action that occurs in response to an applied external force.
Resumen de: EP4586354A1
This application provides a current collector, a secondary battery, a battery module, a battery pack, and an electric apparatus. A coating is formed on one side of the current collector, and the coating includes an interface protection layer. The interface protection layer is beneficial to reduce a contact area between a metal and an electrolyte solution, thereby reducing the occurrence of side reactions between the metal and the electrolyte solution, and effectively improving the coulombic efficiency and capacity retention rate after 100 cycles of the battery.
Resumen de: EP4586364A2
Die Erfindung betrifft ein Akkupack (1) zum lösbaren Verbinden mit einem Elektrogerät mit einem Akkupackgehäuse (2), das eine Gehäuseaußenseite (3) aufweist, mit zumindest einem im Akkupackgehäuse (2) angeordneten Akkumulator (23), mit einer im Akkupackgehäuse (2) angeordneten Steuerungseinheit (24) und mit einer an der Gehäuseaußenseite (3) ausgebildeten Geräteschnittstelle (4) zum lösbaren Verbinden des Akkupacks (1) mit dem Elektrogerät. Erfindungsgemäß umfasst das Akkupackgehäuse (2) ein erstes Gehäuseteil (5) und ein zweites Gehäuseteil (6). Das erste Gehäuseteil (5) umfasst eine erste Innenschnittstelle (7) und das zweite Gehäuseteil (6) eine mit der ersten Innenschnittstelle (7) korrespondierende zweite Innenschnittstelle (8), über die das erste Gehäuseteil (5) und das zweite Gehäuseteil (6) mechanisch und elektrisch miteinander verbindbar sind.
Resumen de: EP4586456A1
A battery management device, including a first pack terminal (P+) and a second pack terminal (P-), a first battery terminal (B+) and a second battery terminal (B-) to which a battery (110) including a plurality of battery cells is coupled, a charge control switch (C-FET) and a discharge control switch (D-FET) coupled in series between the first pack terminal (P+) and the first battery terminal (B+), a current sensor (Rs) coupled between the first pack terminal (P+) and the first battery terminal (B+) or between the second pack terminal (P-) and the second battery terminal (B-), and a battery controller (120) configured to control the discharge control switch (D-FET), based on a battery current (Ib) detected through the current sensor (Rs), wherein the battery controller (120) is configured to repeat a process of, when detecting a generation of an overdischarge current, temporarily turning off the discharge control switch (D-FET) for a preset delay time and then turning on the discharge control switch (D-FET) back.
Resumen de: EP4585841A1
A pipe connection structure includes a first pipe joint (111), a second pipe joint (112) and a limiting structure (113); the second pipe joint (112) and the first pipe joint (111) are connected through insertion, an outer surface of the second pipe joint (112) is provided with a first fitting structure (1121), an end of the limiting structure (113) is connected to the first pipe joint (111), and another end is provided with a second fitting structure (1131); in a direction of the insertion, the second fitting structure (1131) and the first fitting structure (1121) are fitted to block each other, and the second fitting structure (1131) and the first fitting structure (1121) are fitted with a clearance.
Resumen de: EP4586350A1
The present disclosure relates to a stacking machine, comprising a stacking table, a material-unloading mechanism, a stacking mechanism, a deviation correction table and a conveying mechanism. The deviation correction table can move between the stacking table and the conveying mechanism. In the process of transferring the pole piece to the stacking table, the material-unloading mechanism obtains the pole piece on the conveying mechanism and moves toward the deviation correction table, the deviation correction table moves toward the conveying mechanism, and when the material-unloading mechanism is moved above the deviation correction table, the pole piece may be placed on the deviation correction table. Next, the material-unloading mechanism returns to its position, and the deviation correction table moves toward the stacking table while performing deviation correction on the pole piece. At the same time, the stacking mechanism moves toward the deviation correction table, and when the stacking mechanism moves above the deviation correction table, the pole piece on the deviation correction table may be obtained. The stacking mechanism places the obtained pole piece on the stacking table, then the deviation correction table moves toward the conveying mechanism to prepare for the transfer of the next pole piece. It can be seen that the routes of the material-unloading mechanism and the stacking mechanism may be significantly shortened, so that the stacking pace of the pole piece
Resumen de: EP4585317A1
A shim plate configured to discharge an electrode slurry in a first direction. The shim plate includes: (1) a base extending in a second direction perpendicular to the first direction; (2) a separator connected to the base and protruding from the base in the first direction; (3) wings connected to ends of the base in the second direction; and (4) guides connected to the wings and protruding toward the separator from the wings in the second direction. A length of each of the guides in the second direction is in a range of 4 mm to 50 mm.
Resumen de: EP4586389A1
This application provides a battery cell, a battery, and an electric apparatus. The battery cell includes an electrode assembly, a housing, and a current collecting member. The electrode assembly includes a first tab; the housing is configured to accommodate the electrode assembly; and the current collecting member is accommodated in the housing, the current collecting member is electrically connected to the first tab, and the current collecting member is connected to the housing by welding.
Resumen de: EP4586329A1
A rolling apparatus for manufacturing an electrode according to one embodiment of the present invention includes: a rolling member that rolls an electrode substrate when the electrode substrate passes through; and a non-coated portion drawing member that additionally draws the non-coated portion of the electrode substrate that has passed through the rolling member, wherein the non-coated portion drawing member is configured such that the relative position of the non-coated portion drawing member relative to the electrode substrate is adjusted according to the state of the non-coated portion of the electrode substrate.
Resumen de: EP4586453A1
A battery self-heating circuit (100), a method, a device and a vehicle are provided. The battery self-heating circuit (100) includes: a battery pack (10) and a power conversion circuit (102). The battery pack (10) includes a first battery group (101) and a second battery group (102) connected in series. The power conversion circuit (102) is configured to perform electric power exchange between the first battery group (101) and the second battery group (102) to realize self-heating of the battery pack (10).
Resumen de: EP4585561A1
The present invention relates to a carbon nanotube composition having a volume density of 500/mm<sup>3</sup> to 2500/mm<sup>3</sup> defined by Equation 1, wherein carbon nanotubes in the carbon nanotube composition have a high bulk density while maintaining a bundled shape, and thus, are excellent in both dispersibility and productivity.
Resumen de: EP4585301A1
Disclosed in the present invention are a multilayer series-connected axial-flow type paste dispersing device and a powder-liquid mixing device. Dispersing rotors and dispersing stators in a plurality of layers are provided in a housing, the dispersing rotors and the dispersing stators being stacked in the axial direction; the dispersing rotors each have a thick inner part and a thin outer part, while the dispersing stators each have a thick outer part and a thin inner part; rotor dispersing rings and stator dispersing rings are alternately arranged, the rotor dispersing rings extending into rotor ring accommodating slots, and the stator dispersing rings extending into stator ring accommodating slots. In the present invention, flow pass-through holes of the dispersing rotors and of the dispersing stators are communicated in the axial direction; in a dispersing structure, a liquid paste simply needs to flow in an axial flow channel from bottom to top without being diverted, thereby realizing a short paste flow distance, low flow resistance, smooth flowing, low flow loss, high efficiency, and low energy consumption; in addition, when the paste flows through the flow pass-through holes in the axial direction from bottom to top, flow rates and velocities at each portion of the flow pass-through holes are kept consistent, thereby ensuring the consistent dispersing effect of dispersing areas, realizing more uniform dispersion and the better dispersing effect, and more helping to imp
Resumen de: EP4585911A1
A detection apparatus (100), a defect detection method, a defect detection apparatus, a computer device and a storage medium. The detection apparatus (100) comprises a ray source (101), a carrier tray (102), a detector (103) and an image detection apparatus (104), wherein the ray source (101) and the detector (103) are respectively arranged on two opposite sides of the carrier tray (102), and a ray from the ray source (101) is emitted towards the carrier tray (102); the detector (103) is used for receiving the ray that has penetrated through a target battery, and for generating a detection image of the target battery according to the ray that has penetrated through the target battery; the target battery is disposed on the carrier tray (102); the ray is a ray emitted from the ray source (101) to the target battery; and the image detection apparatus (104) is used for receiving the detection image and using a target deep learning model to perform defect detection on the detection image so as to obtain a defect detection result of the target battery.
Resumen de: EP4586390A1
Provided in the present application are a battery cell, a battery, and an electric device. The battery cell includes a casing, an electrode assembly, and a current collecting member. The electrode assembly includes a first tab. The casing is used for accommodating the electrode assembly. The current collecting member includes a first connection portion and a second connection portion. The first connection portion is electrically connected to the first tab. The second connection portion is connected to the first connection portion and protrudes in a direction away from the electrode assembly. The second connection portion includes at least one first protrusion and at least one second protrusion. The height of the second protrusion is greater than the height of the first protrusion. The at least one first protrusion is welded to the casing. The at least one second protrusion is welded to the casing.
Resumen de: EP4586357A1
Disclosed in the present application are a casing assembly, a battery cell, a battery and an electrical apparatus. The casing assembly comprises a casing and first terminals, mounting holes being formed in the casing; each first terminal comprises a terminal body, a first limiting platform and a second limiting platform which are integrally formed, the terminal body passing through a mounting hole, and the first limiting platform and the second limiting platform being arranged at two ends of the terminal body in the axial direction of the mounting hole, and the first limiting platforms are in limiting fit with the outer side of the casing, and the second limiting platforms are in limiting fit with the inner side of the casing, such that the first terminals are riveted to the casing. The casing assembly of the present application facilitates assembly, and can improve the reliability and stability of connection between the first terminals and the casing.
Resumen de: EP4585949A1
The present invention relates to a battery diagnostic device and method, and the battery diagnostic device according to an embodiment of the present invention may include: a measurement unit which measures cell impedances of a plurality of battery cells, a fixed impedance of at least one component, and a first module impedance of a battery module; and a control unit which determines an assembly state of the battery module on the basis of the cell impedance, fixed impedance, and first module impedance.
Resumen de: EP4586333A1
A cathode for a lithium secondary battery according to embodiments of the present disclosure includes a cathode current collector, a first cathode active material layer which is disposed on at least one surface of the cathode current collector, and includes a first cathode active material having a single particle form and a point-like conductive material, and a second cathode active material layer which is disposed on the first cathode active material layer, and includes a second cathode active material having a single particle form and a linear conductive material, wherein the second cathode active material has an average particle diameter (D50) of 3 µm to 4 µm.
Resumen de: EP4586393A1
An end cap assembly, an energy storage apparatus, and an electric device. The end cap assembly comprises an end cap terminal assembly and a top patch, wherein the end cap has a first surface and a second surface, which are opposite to each other in a thickness direction of the end cap, the terminal assembly is arranged on the end cap; the top patch is attached to the first surface of the end cap; the top patch is provided with a first opening through which the terminal assembly passes: the maximum length L1 of the first opening in the length direction of the end cap and the maximum length L2 of the terminal assembly in the length direction satisfy 0.6 mm≤L1-L2≤1 mm, and the maximum width W1 of the first opening in the width direction of the end cap and the maximum width W2 of the terminal assembly in the width direction satisfy 0.6 mm≤W1-W2≤1 mm.
Resumen de: EP4585946A1
A battery system includes: a storage that stores, at each predetermined storage period, mapping data that map an SOC and a first open voltage; and a controller that performs: when a number of times of storing the mapping data reaches a predetermined reference number of times so that a calibration period arrives, estimating a first relationship graph between a plurality of SOCs and a plurality of open circuit voltages; calculating a plurality of relationship graphs by reflecting a plurality of preset error values in the first relationship graph; calculating a summed value of distances between each of the plurality of relationship graphs and the mapping data; determining an error value corresponding to a minimum value among a plurality of summed values to be a final error value; and determining whether the final error value falls within a predetermined reference range, to determine whether to calibrate an initial SOC value.
Resumen de: EP4586352A2
The present application relates to a roll changing apparatus and an adhesive tape sticking device. The roll changing roll apparatus comprises an unwinding material assembly, a roll changing assembly, a cutting assembly, and an end pressing assembly. Automatic roll changing for a working material tape and a standby material tape can be achieved, the personnel configuration is reduced, and therefore the labor is reduced.
Resumen de: EP4585381A2
A system for tracking a position of an electrode of a battery cell is disclosed which comprises: a controller configured to acquire coordinate information of the electrode and a cell identification (ID) of the unit electrode; a calculator configured to calculate coordinates of the cell ID, the coordinates of the cell ID corresponding to one or more positions of the unit electrode; a roll map generator configured to generate a roll map based on the coordinate information of the electrode obtained from the controller, the roll map including coordinates of the roll map based on a dimension in a length direction of the electrode; and a mapping part configured to compare the coordinates of the roll map with the coordinates of the cell ID to derive the one or more position of the unit electrode during the electrode manufacturing process from which the unit electrode originates.
Resumen de: EP4586388A2
A battery cell assembly, comprises a first electrode;a second electrode; and a separator between the first electrode and the second electrode; wherein: the separator comprises a first layer comprising metal oxide, metal hydroxide, or metal oxyhydroxide particles, the first layer being directly deposited on the first electrode; a thickness of the separator ranges between about 0.5 µm to about 10 µm; the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles comprise a (1) a first set of the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles with a first aspect ratio distribution, and (2) a second set of the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles with a second aspect ratio distribution; the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles of the first set are fiber-shaped and are characterized by diameters in a diameter range from around 3 nm to around 2 µm and aspect ratios in an aspect ratio range from around 4 to around 1,000,000; and the metal oxide, the metal hydroxide, or the metal oxyhydroxide particles of the second set are flakes.
Resumen de: EP4586328A2
The present specification provides a secondary battery, which comprises a cathode, an anode, a separator, and an electrolyte, the anode containing a silicon-based active material and a carbon-based active material, the cathode containing: a lithium nickel-based active material in a single particle form; and at least one of LCO (LiCoO2), LMO (LiMn2O4), and LFP (LiFePO4), in a secondary particle form, wherein the lithium nickel-based active material in a single particle form contains 55 mol% or more of nickel in 100 mol% of metals excluding lithium.
Resumen de: EP4586367A2
Provided is a battery pack including a plurality of battery modules; a base plate on which the plurality of battery modules are located; a front frame including a front cover portion covering a front of the base plate and a front plate portion extending rearward from one side of the front cover portion, wherein the front cover portion and the front plate portion are integrally formed; a rear frame having a rear cover portion covering a rear of the base plate, and a rear plate portion extending forward from one side of the rear cover portion, wherein the rear cover portion and the rear plate portion are integrally formed; a first side frame covering a left side of the base plate; and a second side frame covering a right side of the base plate.
Resumen de: EP4586594A2
An electronic device according to an embodiment of the present disclosure may include a housing, a display disposed on the housing, a printed circuit board disposed in an interior of the housing, a battery including a first area and a second area having a thickness that is less than a thickness of the first area, and a thermal diffusion member disposed between the printed circuit board and the display and between the battery and the display, wherein the thermal diffusion member may include a first diffusion area and a second diffusion area extending to be overlapped with at least a portion of the second area.
Resumen de: EP4586336A2
This negative electrode is provided with a negative electrode current collector, and a negative electrode mixture layer formed on the negative electrode current collector, wherein: the negative electrode mixture layer comprises a first layer arranged on the negative electrode current collector, and a second layer arranged on the first layer; the second layer includes graphite particles A having a particle internal porosity of at most 10%: the first layer includes graphite particles B having a particle internal porosity of more than 10%; and the second layer has a water contact angle of at most 50°.
Resumen de: EP4585567A2
The present invention provides a positive electrode active material for a secondary battery which includes a nickel-based lithium composite transition metal oxide including nickel (Ni), wherein the lithium composite transition metal oxide satisfies Equation 1 and Equation 2 below. 80nm≤crystallitesizeFWHM≤150nmΔsizecrystallitesizeIB−crystallitesizeFWHM≤20 wherein, in Equation 1 and Equation 2, crystallite sizeFWHM is a crystallite size obtained by calculating from X-ray diffraction (XRD) data using a full width at half maximum (FWHM) method, and crystallite sizeIB is a crystallite size obtained by calculating from XRD data using an integral breadth (IB) method.
Resumen de: EP4586395A2
An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided in the present disclosure. The end cover assembly includes an end cover, an insulating member, a positive pole, a negative pole, a first connecting member, and a second connecting member. The insulating member and the end cover are stacked in a first direction. The insulating member includes a first separate member, a second separate member, a third separate member, and a fourth separate member. The first separate member is spaced apart from the second separate member in a second direction. In the second direction, the third separate member and the fourth separate member each are between the first separate member and the second separate member. The third separate member, the first separate member, and the second separate member cooperatively define a first accommodating space. The fourth separate member, the first separate member, and the second separate member cooperatively define a second accommodating space. The positive pole penetrates through the third separate member and the end cover. The negative pole penetrates through the fourth separate member and the end cover. The first connecting member is accommodated in the first accommodating space and connected to the positive pole. The second connecting member is accommodated in the second accommodating space and connected to the negative pole.
Resumen de: EP4586368A1
The present technology provides a battery cell assembly including: a cell block including a plurality of battery cells; a bus bar connected to an electrode lead of the cell block; a bus bar frame on which the bus bar is mounted, the bus bar frame including an accommodation space to accommodate a part of the bus bar; and a thermally conductive filler at least partially filling the accommodation space of the bus bar frame, the thermally conductive filler being in contact with the bus bar.
Resumen de: EP4586370A1
Disclosed herein relates to a cooling device for cooling a cell stack assembly within a battery pack using a cooling fluid supplied from a coolant storing part, and a battery pack including the same. Specifically, the cooling device of the present invention includes: a heat sink including a plurality of cooling channels; and a pipe assembly coupled to the heat sink to allow fluid to enter and exit the cooling channel, wherein the pipe assembly includes: a plurality of connectors coupled to each of the cooling channels, and formed as a hollow type to allow cooling fluid to pass therein; and a connecting pipe connecting each of the connectors, wherein the connector includes: a main port connected to a coolant storing part; and a plurality of sub-ports connected via the main port and the connecting pipe, wherein the main port includes: a first pipe communicating the coolant storing part and the connecting pipe; and a second pipe branching from the first pipe and connecting with a cooling channel.
Resumen de: GB2637261A
An electrode precursor composition and electrode for an alkali metal ion secondary cell include a polymer-solvent gel matrix phase 2 and a dispersed phase comprising an electrochemically active material 1a, 1b. The active material has a multimodal particle size distribution having a D150/D250 in the range 2 to 15, wherein D150 is the volumetric median particle size of a first particle mode 1a within the distribution and D250 is the volumetric median particle size of a second particle mode 1b within the distribution, which is most preferably bimodal. The electrode precursor composition can be processed into an electrode for an alkali metal ion secondary cell, e.g., a lithium-ion secondary cell. The electrode may be provided as a film, e.g., by hot rolling or extrusion, on a current collector 4. The dispersed phase may also comprise a conductive material 3, e.g., conductive carbon black or graphite. The polymer-solvent gel matrix phase preferably comprises a gelling polymer and a liquid electrolyte, which may comprise a solvent with one or more cyclic or linear carbonate compounds. The electrode is preferably the cathode in the secondary cell, with the active material comprising a lithium transition metal oxide.
Resumen de: EP4586353A2
A production method for a sulfide solid electrolyte having an argyrodite-type crystal structure, wherein the method comprises:a step of pulverizing and mixing raw materials by a pulverizer to prepare an intermediate containing a glass component, wherein the raw materials comprise two or more compounds containing lithium, phosphorus, sulfur and/or chlorine, and/or elementary substances thereof, and a step of heat-treating the intermediate at 360 to 500°C.
Resumen de: EP4586359A1
One aspect of the disclosure relates to an all-solid-state battery and a method of manufacturing the same. More specifically, the all-solid-state battery according to the disclosure is shaped so that the positive electrode active material layer is surrounded by the positive electrode current collector and the solid electrolyte layer, so that stretching of the positive electrode active material layer during the pressurization process is prevented, and structural stability of the battery may be secured.
Resumen de: EP4586337A1
The present disclosure relates to a positive electrode active material for an all-solid-state battery, a positive electrode, and an all-solid-state battery comprising same. More specifically, the positive electrode active material according to the present disclosure has a particle layer coated with lithium titanium oxide particles on its surface, wherein the particle layer prevents side reactions between the positive electrode active material and the sulfide-based solid electrolyte particles in the positive electrode, thereby enabling the all-solid-state battery to be stably charged and discharged.
Resumen de: EP4586372A1
Embodiments of this application provide a battery cell, a battery, an electric device, and an energy storage apparatus. The battery cell includes a housing. The housing includes a shell and an end cover, where the shell is provided with an opening, the shell includes a first wall, the first wall includes a first opening portion and a first body sequentially distributed along a first direction, the first direction is parallel to a thickness direction of the end cover, the first body is farther away from the opening than the first opening portion, a thickness of the first opening portion is greater than a thickness of the first body, and the end cover is connected to the first wall and closes the opening. A largest thickness of the first opening portion is denoted as t1, the thickness of the first body is denoted as t2, and a dimension of the first wall in a second direction is denoted as a, satisfying 120≤a/(t1-t2)≤6000, where the second direction, a thickness direction of the first wall, and the first direction are perpendicular to each other. The technical solutions of the embodiments of this application can improve the reliability of the battery.
Resumen de: EP4586343A1
The present invention relates to a binder for a positive electrode in an all-solid-state battery, a composite positive electrode comprising the same, and an all-solid-state battery.
Resumen de: EP4586391A1
This application provides a battery cell (30), a battery (10), and an electric apparatus. The battery cell (30) includes: an electrode assembly (32), including a body portion (321) and a first tab (322). A first size L1 of the body portion (321) in a length direction thereof is greater than a second size L2 of the body portion (321) in a width direction thereof. The first tab (322) is located on at least one end of the body portion (321) in the width direction. The first tab (322) has a third size L3 in the length direction. The first size L1, the second size L2, and the third size L3 satisfy 0.5L2≤L3≤L1. The battery cell (30) according to an embodiment of this application is intended to resolve a technical problem of severe heat generation by a tab.
Resumen de: EP4586386A1
A pack case includes a pack housing, and a lid covering an open top surface of the pack housing, wherein the fastener fixing the lid to the pack housing includes a venting mechanism configured to release pressure within the pack case in excess of a predetermined value to outside of the pack case.
Resumen de: EP4585400A1
The present invention relates to an apparatus for shaping a pouch-shaped battery case including a punch configured to press a laminate sheet to form a cup portion of the pouch-shaped battery case, a die configured to allow the laminate sheet to be disposed thereabove, the die including a recess configured to allow the punch to be inserted thereinto, and a stripper above the die, the stripper being configured to fix the laminate sheet, the stripper having a through-hole configured such that the punch moves through the through-hole, wherein the die includes an upper end portion and a lower end portion having different heights, the inside of the die includes the upper end portion in the form of a quadrangular frame in plan, and the outside of the die includes the lower end portion, a pouch-shaped battery case manufactured using the same, and a method of shaping a cup portion of a pouch-shaped battery case using the apparatus for shaping a pouch-shaped battery case.
Resumen de: EP4586338A1
The present invention provides a composite porous material and use thereof, a silicon-based composite material, a negative electrode and a battery, and specifically relates to the field of secondary battery technologies. The composite porous material contains composite porous material particles, and the composite porous material particles are obtained by compounding two (A and B) or more porous materials of different pore structures; distribution of the porous material A and the porous material B in the composite porous material particles is not limited; and a pore volume of the porous material A is greater than that of the porous material B. The composite porous material provided in the present invention is obtained by compounding two materials with different pore volumes, so that a pore volume size of the prepared composite porous material has a gradient difference, which facilitates controlling load of a material in pores and solving material change caused by the load.
Resumen de: EP4585351A1
This application provides a battery cell, a battery, an electrical device, and a method for preparing a battery cell. The battery cell includes a shell and an electrode assembly. The shell provides an accommodation space. The shell includes a first plate portion and a second plate portion. The first plate portion is welded to the second plate portion to form a molten pool structure and welding pores located in the molten pool structure. The electrode assembly is accommodated in the accommodation space. A thickness of the first plate portion is greater than a thickness of the second plate portion. At least a part of the welding pores are located in the first plate portion. In some embodiments of this application, the welding process of the first plate portion and the second plate portion is adjusted, so that at least a part of the welding pores can be located in the first plate portion. Because at least a part of the welding pores can be located in the first plate portion, the number of welding pores located in the second plate portion is reduced, thereby reducing the impact caused by the welding pores onto strength of the second plate portion, and improving reliability of the battery cell in use.
Resumen de: WO2024226262A1
The present application discloses a composite fire insulation sheet, a composite plate, a battery pack housing and a battery pack. The composite fire insulation sheet comprises a first glass fiber sheet and a first aerogel composite expansion fire insulation layer. The first aerogel composite expansion fire insulation layer is arranged on at least one surface of the first glass fiber sheet and has a second glass fiber sheet. According to the composite fire insulation sheet of this aoplication, the expansion fireproof composition plays the role of flame retardant and fire prevention, while the aerogel composition is used to endow the sheet with excellent heat insulation property, such that the sheet can also perform the strong heat insulation performance.
Resumen de: EP4586356A1
A lithium secondary battery according to the present invention includes a battery case, and an electrode assembly and an electrolyte received in the battery case, and has a Vd-40, which is a voltage retention rate during 40 C discharge represented by Equation 1 below, of 74% or greater: Vd−40%=Vf−40/Vi−40×100.In Equation 1 above, Vf-40 is a voltage of the lithium secondary battery after applying a discharge pulse at a rate of 40 C, and Vi-40 is a voltage of the lithium secondary battery before applying a discharge pulse at a rate of 40 C.
Resumen de: EP4585355A1
An apparatus for automatically inspecting the welding state of a battery module is configured to inspect welding states of welding parts of a plurality of leads for electrical connection based on a deep penetration inspection using application of eddy current to the welding parts of the leads.
Resumen de: EP4585325A1
Die Erfindung betrifft ein Batterieträgerdruckgussteil zur zumindest teilweisen Begrenzung eines Aufnahmeraums (4) zumindest einer als Antriebsenergiespeicher für ein elektrisch angetriebenes Fahrzeug dienenden Batteriezelle und/oder zumindest eines Batteriemoduls, wobei das Batterieträgerdruckgussteil (2) zumindest einen sich im Wesentlichen entlang einer Längsachse erstreckenden Abschnitt (8, 10) aufweist, wobei der Abschnitt (8, 10) eine im Wesentlichen geschlossene Kontur (20) aufweist, wobei die im Wesentlichen geschlossene Kontur (20) einen Hohlraum (38) umfasst, insbesondere einen Hohlraum (38) einschließt, und wobei die geschlossene Kontur (20) sich integral um den Hohlraum (38) erstreckt. Die Erfindung betrifft ebenfalls ein Verfahren zur Herstellung eines Batterieträgerdruckgussteils.
Resumen de: EP4586340A1
The present invention pertains to a lithium secondary battery and a method for manufacturing same. The lithium secondary battery comprises: a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and an electrolyte, wherein the positive electrode includes a lithium iron phosphate-based active material having an Amorphous-content Index (AI) defined by equation (1) of 0.28 or less, preferably 0.20-0.28, and more preferably 0.20-0.27.
Resumen de: EP4586371A1
The battery module according to one embodiment of the present disclosure includes a battery cell stack that includes a first battery cell stack and a second battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack; and an inlet and an outlet that circulate a coolant inside the module frame, wherein the coolant flows into the inside of the module frame through the inlet, and is discharged through the outlet, and wherein an insulating plate is arranged between the first battery cell stack and the second battery cell stack, and an opening through which the coolant passes is formed in the insulating plate.
Resumen de: EP4586339A1
A fluoride shuttle secondary battery (1) of the present disclosure is a fluoride shuttle secondary battery including: a positive electrode (2); a negative electrode (4); and an electrolyte layer (3) arranged between the positive electrode (2) and the negative electrode (4), wherein the fluoride shuttle secondary battery satisfies at least one selected from the group consisting of the following (A1) and (B1). (A1) The negative electrode (4) contains a first negative electrode active material and a second negative electrode active material having composition different from that of the first negative electrode active material, the first negative electrode active material is a first metal fluoride containing a metal M1, and the metal M1 has a melting point of 0°C or more and 250°C or less. (B1) The positive electrode (2) contains a first positive electrode active material and a second positive electrode active material having composition different from that of the first positive electrode active material, and the first positive electrode active material is a metal M2, which forms a metal fluoride represented by M2F<sub>x</sub> and having a melting point of 0°C or more and 250°C or less, where "x" represents a valence of the M2.
Resumen de: EP4585089A1
An aerosol generation device having a control unit, a first battery, and a heating unit for heating an aerosol source, wherein when a second battery is provided to a cover member attached to the device body, the control unit controls the supply of power from the second battery to the device body.
Resumen de: EP4585088A1
In the present invention, a cover member attachable to and detachable from an aerosol generation device that has a first battery and a heating unit for heating an aerosol source is provided with: a second battery that is charged using power supplied from the aerosol generation device; and a control unit that operates using power supplied from the second battery.
Resumen de: EP4586444A1
In the present invention, a cover member attachable to and detachable from an electronic device that operates using a built-in first battery is provided with: a second battery; a power supply circuit that supplies power from the second battery to the electronic device; and a notification unit that gives notification of the total value of the remaining charge of the first battery and the remaining charge of the second battery.
Resumen de: EP4586443A1
In the present invention, a cover member attachable to and detachable from an electronic device that operates using a built-in first battery is provided with a second battery that is charged by power supplied from the electronic device.
Resumen de: CN119790534A
A valve assembly is disclosed having a valve housing including a first axial end, a cap, a second axial end, and an airflow path extending from the first axial end toward the second axial end. The cover is positioned toward the second axial end. The valve housing includes: an ambient opening configured for fluid communication with an external environment; an enclosure opening toward the first axial end, the enclosure opening configured for fluid communication with an interior of the enclosure; and a membrane having an expansion diameter, the membrane being arranged in the valve housing so as to traverse the airflow path in a transverse direction. The cap has an inner lateral surface and a piercing protrusion (having a piercing tip) extending from the inner lateral surface toward the first axial end. An axial distance is defined between the membrane and the inner lateral surface. The ratio of the axial distance to the expanded diameter of the membrane is at least 0.14.
Resumen de: EP4586349A1
A battery module (8) for a vehicle battery pack (7) configured to be installed in a road vehicle (1) with at least partial electric drive comprises an outer structure (9) delimiting an inner portion (10), two compression plates (11, 12) arranged at opposite ends (13, 14) of the portion (10), and one or more electrochemical cells (15) connected to one another and interposed between the plates (11, 12); at least part of the lateral surface (16) of each cell (15) is compressed by a compression force (F) along a compression direction (D) by the plates (11, 12); the plate (11) is movable relative to the plate (12) along the direction (D) so as to vary the relative distance (X) between the plates (11, 12); a device (17) adjusts the distance (X) so as to keep the force (F) equal to a predetermined value (Fn) constant during the life cycle of the electrochemical cells (15) .
Resumen de: EP4586361A1
The present invention relates to a battery pack including different types of battery cells, and more particularly, to a battery pack including: a first battery module including a plurality of first battery cells; a second battery module including a plurality of second battery cells; a pack housing including an accommodation part in which the first battery module and the second battery module are accommodated together; a partition part that defines an inner wall of the accommodation part; and a pack battery management system (BMS) that controls available capacity of the first battery module and available capacity of the second battery module to be the same as or similar to each other, wherein the first battery module is coolable by the second battery module.
Resumen de: US2024279520A1
The fluoroether 3-(difluoromethoxy)-1,1,1,2,2-pentafluoropropane (“HFE-347mcf”) may be used as a refrigerant and/or heat transfer composition, such as in single phase and two phase cooling systems, and a method of heating and/or cooling an electronic component or device includes providing a heat transfer fluid comprising at least about 10% by weight of 3-(difluoromethoxy)-1,1,1,2,2-pentafluoropropane, and transferring heat between the electronic component and the heat transfer fluid. The fluoroether 3-(difluoromethoxy)-1,1,1,2,2-pentafluoropropane may be synthesized by reacting 2,2,3,3,3-pentafluoro-1-propanol with chlorodifluoromethane (R-22).
Resumen de: AU2023337249A1
A method for fabricating an ionic liquid electrolyte such as a spiro-based ionic liquid electrolyte, the method has the steps of: synthesizing an intermediate spiro-based product, and applying an ionic exchange process to the intermediate spiro-based product to obtain the ionic liquid electrolyte. The obtained an ionic liquid electrolyte comprising an ionic liquid salt with a cation of: (I) The ionic liquid electrolyte may be used in an electrochemical energy-storage apparatus such as a supercapacitor.
Resumen de: CN119855868A
The present invention relates to a composition comprising a polymer P1 comprising monomeric units derived from vinylidene fluoride and optionally from a comonomer M1 compatible with vinylidene fluoride, and a polymer P2 comprising monomeric units derived from a monomer M2 of the formula R1R2C = C (R3) C (O) R wherein the substituents R1, R2 and R3 are independently selected from H and C1-C5 alkyl; r is selected from-NHC (CH3) 2CH2C (O) CH3 or-OR ', where R' is selected from H and C1-C18 alkyl optionally substituted by one or more-OH groups or a five or six membered heterocycle comprising at least one nitrogen atom in its ring chain, characterized in that the crystallization temperature of the composition is Tclt; -3.7496 x + 130, where x is the weight content of comonomer M1 relative to the total weight of polymer P1, and characterized in that the composition is in the form of a powder.
Resumen de: CN119894977A
The present invention relates to a composition comprising a polymer P1 comprising monomeric units derived from vinylidene fluoride and optionally from a comonomer M1 compatible with vinylidene fluoride, and a polymer P2 comprising monomeric units derived from a monomer M2 of the formula R1R2C = C (R3) C (O) R wherein the substituents R1, R2 and R3 are independently selected from H and C1-C5 alkyl; r is selected from-NHC (CH3) 2CH2C (O) CH3 or-OR ', where R' is selected from H and C1-C18 alkyl optionally substituted by one or more-OH groups or a five or six membered heterocycle comprising at least one nitrogen atom in its ring chain, characterized in that the crystallization temperature of the composition is Tclt; -3.7496 x + 130, wherein x is the weight content of comonomer M1 relative to the total weight of polymer P1.
Resumen de: CN119790101A
The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and a polymer P2 comprising monomer units derived from monomer M2 of the formula R1R2C = C (R3) C (O) R wherein the substituents R1, R2 and R3 are selected independently of each other from H and C1-C5 alkyl; r is selected from-NHC (CH3) 2CH2C (O) CH3 or-OR ', where R' is selected from C1-C18 alkyl optionally substituted by one or more-OH groups or a five-membered or six-membered heterocyclic ring comprising at least one nitrogen atom in the ring chain thereof, characterized in that the difference between the melting temperature and the crystallization temperature of the composition is greater than or equal to 40 DEG C, and in that the composition is in the form of a powder.
Resumen de: CN119790100A
The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and a polymer P2 comprising monomer units derived from monomer M2 of the formula R1R2C = C (R3) C (O) R wherein the substituents R1, R2 and R3 are selected independently of each other from H and C1-C5 alkyl; r is selected from-NHC (CH3) 2CH2C (O) CH3 or-OR ', where R' is selected from C1-C18 alkyl optionally substituted by one or more-OH groups or a five-or six-membered heterocyclic ring comprising at least one nitrogen atom in its ring chain, characterized in that the difference between the melting temperature and the crystallization temperature of the composition is greater than or equal to 40 DEG C.
Resumen de: EP4585945A1
The present invention relates to a correcting device for correction of a measuring device that measures an impedance spectrum, the correcting device including:a first plate including a first connecting part electrically connected to a first electrode of the measuring device; a second plate including a second connecting part electrically connected to a second electrode of the measuring device; and a reference unit mounted on the first plate and having a predetermined inherent value, wherein the first connecting part and the second connecting part are electrically connected to each other through the reference unit.
Resumen de: EP4586374A1
The present disclosure provides a battery cell and a structure of a battery module including the same, the battery cell including: an electrode assembly including a stack of a plurality of electrodes with a separator therebetween; an electrode tab extending from each of the plurality of electrodes and protruding from the electrode assembly; a sealed pouch accommodating the electrode assembly; and an electrode lead electrically connected to the electrode tab and protruding from the sealed pouch, wherein the electrode assembly is a plurality of electrode assemblies; and is stacked with a first insulation pad in a thickness direction
Resumen de: WO2024052076A1
Disclosed are a method for producing an electrode for a galvanic cell, an electrode for a galvanic cell, a galvanic cell, and uses of the galvanic cell. The method comprises: applying a separator membrane to a planar electrode such that an intermediate space is formed between the planar electrode and the separator membrane; subsequently applying a liquid comprising a particular material to the separator membrane, wherein the liquid comprising material penetrates, by way of capillary forces, at least into the pores of the separator membrane, into the intermediate space between the planar electrode and the separator membrane and into pores of the planar electrode, wherein the liquid is subsequently evaporated. The method makes it easily and inexpensively possible to provide an electrode which exhibits a high energy density at the cell level and high chemical, electrochemical and mechanical stability, and which thus exhibits high cycle stability and allows high operating currents.
Resumen de: WO2024052070A1
The invention relates to a method for producing a negative electrode, to a negative electrode, to a galvanic cell, and to uses of the galvanic cell. According to the method, a coating which contains or consists of a polymer and/or ceramic particles is applied onto the upper face of a flat metal structure which does not consist of lithium, and a metal arrester is applied onto the lower face of the flat metal structure, said arrester having a plurality of openings in the direction of the metal structure. The metal arrester is then pressed into the metal structure by exerting a mechanical pressure, whereby the openings of the metal arrester are filled with metal of the metal structure at least in some regions. The method is simple and inexpensive to carry out and facilitates the production of a negative electrode which has a high energy density at the cell level and a high degree of chemical, electrochemical, and mechanical stability, and thus a high degree of cycle stability, and which allows high operating currents.
Resumen de: EP4585566A1
A positive electrode active material for rechargeable lithium batteries, a method of preparing the same, and a rechargeable lithium battery including the same are disclosed. The positive electrode active material includes: a nickel-based active material; a cobalt-containing coating layer on a surface of the nickel-based active material; and a boron-containing coating layer on a surface of the cobalt-containing coating layer, wherein the positive electrode active material has a specific surface area of 0.45 m<sup>2</sup>/g to 0.60 m<sup>2</sup>/g.
Resumen de: EP4586363A1
A rechargeable battery module is provided. The rechargeable battery module includes a busbar holder for covering battery cells, a busbar in the busbar holder for electrically connecting the battery cells, a flexible printed circuit in the busbar holder for transmitting a detection signal of a temperature or a voltage of one of the battery cells, a battery management system for receiving a transmission signal from a wireless communicator connected to the flexible printed circuit, and a printed circuit board on the flexible printed circuit for accommodating a circuit element on the flexible printed circuit for the wireless communicator.
Resumen de: EP4586373A1
The present invention relates to a battery cell and a structure of a battery module including the battery cell capable of preventing heat from the propagating to neighboring battery cells in case of ignition and guiding the venting downward. The battery cell includes: an electrode assembly; a pouch accommodating the electrode assembly and having a folded side and three sealed sides; and an electrode lead extending from the electrode assembly and protruding outward from the pouch, the battery cell further including: an insulating, heat-resistant and fire-resistant barrier member having a box shape provided with a slit-type lead hole and one open end, wherein the electrode lead protrudes from the barrier member through the lead hole, and five sides of the battery cell excluding the folded side are covered by the barrier member.
Resumen de: WO2024056264A1
The invention relates to a powder (10) of a solid electrolyte (F) for producing a separator (S) for a battery cell, in particular a solid electrolyte battery cell (1), wherein the powder (10) of the solid electrolyte (F) is coated with a protective agent (12) having a boiling point of at most 400°C and/or a melting point of at least 20°C and/or at most 100°C. The invention also relates to a method for producing a green film (G) as a semi-finished product of a separator (S) for a battery cell (1), wherein such a powder (10) of a solid electrolyte (F) coated with a protective agent (12) is used, and wherein green film (G) is produced using this coated powder (10) of the solid electrolyte (F).
Resumen de: CN119816215A
An aerosol-generating device for generating an inhalable aerosol from an aerosol-forming substrate is provided. The aerosol-generating device includes a lithium ion battery pack. The battery pack includes an electrolyte and at least one pair of electrodes. The electrode pairs are spaced apart from each other in the electrolyte. One of the electrode pairs defines the anode and contains an anode active material. The other electrode of the pair of electrodes defines the cathode and contains a cathode active material. The electrolyte includes a halogenated carbonate. Also provided is an aerosol delivery system comprising such an aerosol-generating device and an aerosol-generating article comprising an aerosol-forming substrate wherein the aerosol-generating device is configured to receive the aerosol-generating article.
Resumen de: CN119895604A
The invention relates to an aerosol-generating system (1) having a battery (2). The battery (2) comprises an electrode unit (3) and an envelope (4). An adhesive element (5) is arranged between the electrode unit (3) and the sleeve (4) for fixing the electrode unit (3) to the sleeve (4). The invention also relates to a method for producing a battery for an aerosol-generating device and to the use of an adhesive element (5) between an electrode unit (3) and an envelope (4) in an aerosol-generating system (1).
Resumen de: EP4586345A2
Provided is an electrode plate (210, 220) comprising: an electrode plate layer (202); a current collector layer (201) comprising: a base layer (E); a first conductive layer (F1) and a second conductive layer (F2) respectively on an upper surface of the base layer (E) and a lower surface of the base layer (E); a current collector part (201a) having at least one surface on which the electrode plate layer (202) is located; an extension part (201b) extending outwardly from the current collector part (201a); and a bent part (201c) connected to the extension part (201b), and bent twice or more for the first conductive layer (F1) to contact the second conductive layer (F2).
Resumen de: EP4586362A2
A rechargeable battery module includes a bus bar holder covering battery cells; a bus bar on the bus bar holder to electrically connect the battery cells; and a flexible printed circuit on the bus bar holder to transmit a signal that detects a voltage of the battery cell connected to the bus bar. The bus bar includes an extension portion protruding in one direction, and the flexible printed circuit includes a main body portion, a branch portion extending from the main body portion, and an expansion portion having an expanded area on the branch portion that is soldered to the extension portion.
Resumen de: EP4586360A1
A battery cell inspection apparatus according to an embodiment of the present invention comprises: a cell inspection unit for inspecting a cell; a plurality of cell accommodation portions which receive the supply of battery cells from the outside, and are spaced apart from one another with the cell inspection unit therebetween; and a stage which comprises a first portion and a second portion on which the battery cells supplied to the cell accommodation units are arranged, and moves the battery cells supplied to the cell accommodation portions while reciprocating among the plurality of cell accommodation portions, wherein, while the second portion on which the battery cell is arranged is located in the cell inspection unit, the battery cell supplied to a first cell accommodation portion, from among the plurality of cell accommodation portions, is arranged on the second portion, and while the first portion on which the battery cell is arranged is located in the cell inspection unit, the battery cell supplied to a second cell accommodation portion, from among the plurality of cell accommodation portions, can be arranged on the second portion.
Resumen de: EP4586383A1
Embodiments of the present application provide a battery cell, a battery, and an electrical apparatus. The battery cell comprises: a shell comprising a first wall; and a pressure relief mechanism provided on the first wall; wherein the burst pressure of the pressure relief mechanism is P1, and the burst pressure of the shell is P2, satisfying P2≥1.7 MPa and P2>P1. In technical solutions of the present application, the burst pressure P2 of the shell is designed to be 1.7 MPa or above, which can greatly improve compressive strength of the shell. Such design not only can effectively improve the stability of directional pressure relief of the battery cell from the pressure relief mechanism, but also can reduce risks that the shell bursts as the pressure relief mechanism releases pressure, thereby effectively improving structural stability and safety of the battery cell.
Resumen de: WO2024052613A1
The invention relates to an electrical energy storage module (M1-ln) which comprises a plurality of elementary storage cells (C1 to C12). According to the invention, the module comprises at least one cell unit (U1-1, U1-2) including a plurality of elementary storage cells connected in series (C1 to C6; C7 to C12) and integrated power-switching means (P1, S1; P2, S2) dedicated to this cell unit, delivering, between two power output terminals (B1, B2) of the cell unit, a positive DC voltage, a negative DC voltage, a zero voltage or a high impedance state, depending on a command received by the cell unit.
Resumen de: AU2023336731A1
A battery assembly (10) comprising a chain of at least a primary battery module (20) and a secondary battery module (22) is described. The primary battery module comprises a primary casing (40') within which a first plurality of groups of battery cells (32) are housed and electrically connected in series, each group comprising a plurality of battery cells (30) electrically connected in parallel. The primary battery module further comprises a cell monitoring unit (60) arranged to detect a voltage of each of the plurality of groups of battery cells of the primary battery module. The secondary battery module comprises a secondary casing (40'') within which a second plurality of groups of battery cells (32) are housed and electrically connected in series, each group comprising a plurality of battery cells (30) electrically connected in parallel. Also provided is an electrical interconnect between the primary battery module and the secondary battery module, arranged such that each of the first plurality of groups of battery cells is electrically connected in parallel with a corresponding one of the second plurality of groups of battery cells, so that the voltages detected by the cell monitoring unit are also voltages of each of the plurality of groups of battery cells of the secondary battery module.
Resumen de: EP4585944A1
Disclosed is an energy storage system which may includes a plurality of batteries; one or more power conversion system (PCS) connected with the batteries; and a control apparatus configured to monitor whether a fire occurs in the plurality of batteries.Here, the control apparatus may determine one or more second batteries within a predetermined distance range from a first battery where a fire has occurred and controls the one or more PCSs so that power stored in the one or more second batteries is discharged.
Resumen de: EP4586341A1
Provided are a carbon fluoride modification method, modified carbon fluoride and a lithium/carbon fluoride battery. The modification method comprises: mixing carbon fluoride with a composite solvent, subjecting same to a modification treatment, and then performing solid-liquid separation, so as to obtain modified carbon fluoride, wherein the composite solvent comprises water and an ether solvent. The composite solvent is used to modify carbon fluoride; and under the synergistic effect of water and the ether solvent, unstable components in a carbon fluoride material can be removed by means of reaction, thereby improving the chemical stability of the carbon fluoride material and reducing side reactions of carbon fluoride with an electrolyte solution, and therefore the storage stability of a lithium/carbon fluoride battery is improved. The modification method is simple and feasible, does not need the step of pre-charging, and is easy to implement and suitable for large-scale production.
Resumen de: EP4586378A1
Provided are a frame structure and an energy storage system, which relates to the field of energy storage devices. The frame structure includes an outer frame body (1) and a battery rack (2) disposed within the outer frame body (1). The battery rack (2) includes at least two supporting frames (21). A flexible fixing member (3) and a battery bracket (22) for bearing a battery are disposed between two adjacent supporting frames (21). One end of the flexible fixing member (3) is connected to a top frame (11) of the outer frame body (1), a middle portion of each battery bracket (22) is provided with a through hole (221), and another end of the flexible fixing member (3), e.g. steel rope, extends in a vertical direction (z) through the through hole (221). A periphery of the flexible fixing member (3) is provided with a supporting member (4) which carries the battery bracket (22).
Resumen de: EP4586369A1
This application relates to a thermal management component (201), a box assembly (200), a battery (10), and an electrical device. The thermal management component (201) is applicable to the battery (10). The battery (10) includes a battery cell (110). The thermal management component (201) includes: a first heat exchange portion (210) and a second heat exchange portion (220). The first heat exchange portion (210) is configured to exchange heat with the battery cell (110). The second heat exchange portion (220) is configured to exchange heat with emissions of the battery cell (110). In this way, the first heat exchange portion (210) of the thermal management component (201) can be utilized to exchange heat with the battery cell (110), and further, the second heat exchange portion (220) can be utilized to exchange heat with the emissions of the battery cell (110), so that the internal temperature of the battery (10) can be prevented from being increased by overtemperature of runaway gas generated by a thermally runaway battery cell (110), thereby improving safety of the battery (10) and reducing safety hazards of the battery (10).
Resumen de: EP4586381A1
This application discloses a battery and an electric device. The battery includes a housing, a battery module, and a positioning member. A structural beam is arranged inside the housing. The battery module is arranged in the housing. The positioning member is connected to the structural beam for positioning the battery module. The technical solution provided in this application can reduce the manufacturing cost of the battery.
Resumen de: CN119768924A
The present invention relates to a polymer comprising or consisting essentially of monomeric units derived from ethylene, vinyl acetate and optionally a ternary comonomer selected from the group consisting of glycidyl methacrylate, vinyl methacrylate and maleic anhydride, wherein the weight content of monomer units derived from vinyl acetate is greater than 50 wt% relative to the total weight of the polymer. The polymer can be used to make cathodes for battery cells. The invention further relates to a cathode of a battery cell comprising the polymer and to a composition comprising the polymer and gamma-valerolactone.
Resumen de: KR20250108360A
본 발명은 분리막, 분리막의 제조방법 및 이를 포함하는 전기화학소자에 관한 것으로서, 본 발명의 일 측면에 따른 분리막은 온도가 높이짐에 따라서 결합 교환 반응 메커니즘에 따라 적정 수준의 가교 밀도를 유지하고, 이로써 기계적 강도가 우수한 장점을 나타낼 수 있다.
Resumen de: CN119731826A
The invention provides a battery monomer, a battery and a power utilization device, the battery monomer comprises an electrode assembly, and the electrode assembly comprises an electrode plate and an isolating membrane; the electrode pole piece comprises a current collector and a film layer which is arranged on at least one surface of the current collector and contains an active substance and a liquid absorption polymer, and the electrode pole piece meets the condition that v/lambda is greater than or equal to 1.2; v represents the liquid absorption rate of the film layer, and the unit is mg/s; lambda represents the porosity of the film layer; the isolating membrane comprises a liquid retaining polymer, and the isolating membrane meets the condition that (m2-M)/(m1-M) is greater than or equal to 25%; m represents the mass of the electrolyte which is not absorbed by the isolating membrane, and the unit is g; m1 represents the mass of the isolating membrane which is soaked in the electrolyte for 2 hours and is weighed under the environment pressure, and the unit of m1 is g; and m2 represents the mass of the isolating membrane which is soaked in the electrolyte for 2 hours and is weighed under the environment pressure of 10000 N, and the unit of m2 is g.
Resumen de: JP2022073989A
To provides a positive electrode for a secondary battery and a manufacturing method thereof that improve the defective rate of an electrode and manufacture a good quality positive electrode by minimizing the difference in the draw ratio between a coated portion and an uncoated portion, and minimizing the wrinkles and breakage that occur during positive electrode rolling.SOLUTION: A positive electrode for a secondary battery according to the present invention includes a positive electrode current collector and a positive electrode mixture layer provided on the positive electrode current collector, and further includes a coating portion in which the positive electrode mixture layer is formed to a certain thickness, an uncoated portion located on at least one edge of the coated portion on the positive electrode current collector and on which the positive electrode mixture layer is not formed, and a cushioning portion located between the coated portion and the uncoated portion, and in which the positive electrode mixture layer is formed with a thickness smaller than the thickness of the coated portion.SELECTED DRAWING: Figure 1
Resumen de: CN119864579A
A battery pack is provided. The battery pack includes: battery cells each including an end portion in a height direction of the battery cells; a case accommodating the battery cells and the cooling fluid; and a first bracket plate and a second bracket plate coupled to the case to face each other along the case such that an end portion of the battery cell is insertable through the first bracket plate and the second bracket plate, an accommodation space defined between the first bracket plate and the second bracket plate to accommodate a cooling fluid, the shell, the battery monomers, the first bracket plate and the second bracket plate have the heights meeting the conditions in the height direction: the height lt between the first bracket plate and the second bracket plate; the height of the battery cells is lt; the battery pack also includes a height of the case, and a potting resin on the first and second bracket plates.
Resumen de: CN119895595A
An alkaline battery (1) in which a positive electrode (5), a negative electrode (7), a separator (6), and an electrolyte solution are accommodated in a container (8). And the electrolyte is a potassium hydroxide aqueous solution with the concentration of 40-50%. The negative electrode is configured from a gel-like negative electrode mixture containing a negative electrode active material and an aqueous alkaline solution. The alkaline aqueous solution contains potassium hydroxide and sodium hydroxide in a molar ratio ranging from 89: 11 to 96: 4. The positive electrode is composed of a positive electrode mixture containing a positive electrode active material containing silver oxide and manganese dioxide, and the blending ratio of manganese dioxide in the positive electrode mixture is 25-50 mass%.
Resumen de: WO2025150642A1
Disclosed are: a composite positive electrode active material including a core and a shell disposed on at least a portion of the core, wherein the core includes a composite of Li2S, a first ionic compound, and a first carbon-based material, and the shell includes an organic filler, the organic filler including a second ionic compound, a polymer, a phosphorus (P)-containing compound, or a combination thereof; a positive electrode including same; and an all-solid secondary battery including same.
Resumen de: EP4583278A1
A secondary battery module may include a plurality of cylindrical cells, a cell holder holding the plurality of cylindrical cells, and a first case accommodating the plurality of cylindrical cells and the cell holder. The first case may include an open side, wherein potting material may be applied to at least a portion of top surfaces of the plurality of cylindrical cells and a surface of the cell holder to seal the plurality of cylindrical cells and the cell holder.
Resumen de: US2025226406A1
Disclosed are an additive for a positive electrode, a preparation method thereof, and a positive electrode and a rechargeable lithium battery including the additive, the additive including lithium iron oxide particle; and a coating layer located on the surface of the lithium iron oxide particles and including metal oxide particles including a metal having an oxidation number of 4 or higher.
Resumen de: WO2025150844A1
The present invention relates to a positive electrode material, and a positive electrode and a lithium secondary battery comprising same, the positive electrode material comprising: a first positive electrode active material having an olivine structure; and a second positive electrode active material which is a lithium nickel-based oxide having a layered structure and having a larger average particle diameter (D50) than that of the first positive electrode active material, wherein the first positive electrode active material has an average particle diameter (D50) of 0.5 ㎛ to 10 ㎛ and contains 2 wt% to 3.5 wt% of carbon (C), and the first positive electrode active material is included in an amount of 35 wt% (inclusive) to 90 wt% (exclusive) with respect to the total weight of the first positive electrode active material and the second positive electrode active material.
Resumen de: KR20250108175A
본 발명은 V2+/V3+ 산화환원 반응을 나타내는 다중 산화환원 반응 물질을 포함하며, 구동전압을 제어하여 상기 다중 산화환원 반응 물질에서 V2+/V3+ 산화환원 반응을 제거하는 것을 특징으로 하는, 수명 특성이 향상된 나트륨 이차전지, 나트륨 하이브리드 커패시터 및 이들의 제조방법에 관한 것이다.
Resumen de: KR20250108212A
실시예에 따른 전고체 이차 전지는 적층되는 복수의 단위 셀을 포함하고, 상기 단위 셀은 양극 집전층, 그리고 상기 양극 집전층 위에 위치하는 양극 활물질층을 포함하는 양극, 상기 양극 집전층 위에 위치하는 절연층, 상기 양극 집전층 위에 위치하며 상기 양극 활물질층과 상기 절연층 사이에 위치하며 소정 점착제를 포함하는 점착 부재, 상기 양극 활물질층, 상기 절연층, 그리고 상기 점착 부재를 덮는 고체 전해질층, 그리고 상기 고체 전해질층 위에 위치하는 음극을 포함하고, 상기 절연층의 적어도 일부는 상기 소정 점착제를 포함한다.
Resumen de: WO2025060404A1
A battery cell, a battery and an electric device, which belongs to the technical field of batteries. The battery cell comprises a first shell wall, a terminal and an insulating and sealing structure, wherein the terminal comprises a passing portion and a first extending portion; the first extending portion extends to the outside of an outer surface or the inside of an inner surface of the first shell wall; a first corner arranged towards the first shell wall is provided at the connection between the first extending portion and the passing portion; the first shell wall comprises a second corner corresponding to the first corner; the insulating and sealing structure is fitted between the first shell wall and the terminal and comprises a first part and a second part; and the material hardness of the first part is less than that of the second part, and the first part is arranged closer to at least one of the first corner and the second corner than the second part.
Resumen de: KR20250108517A
본 개시의 예시적인 실시예들의 이차 전지용 음극 활물질의 제조 방법에 따르면, 믹서(mixer)에 음극 활물질 분말 및 제1 바인더 분말을 투입하고, 제1 용매를 투입하며 제1 혼합하여 예비 음극 조성물을 형성하고, 상기 예비 음극 조성물을 형성한 후, 상기 믹서에 제2 바인더 분말을 투입하며 제2 혼합하여 음극 조성물을 형성한다. 상기 제1 바인더 분말 및 상기 제2 바인더 분말은 각각 독립적으로 메틸카르복실산 또는 그 염에 의한 히드록시기의 치환도(Degree of Substitution, DS)가 0.6 이하이고 중량평균분자량이 3,000,000 g/mol 이상인 카르복시메틸셀룰로오스 및 그 염 중 적어도 하나를 포함한다. 상기 카르복시메틸셀룰로스 및 그 염은 비고리형 헤미아세탈 관능기를 포함한다.
Resumen de: KR20250108063A
본 발명은 파우치형 이차전지, 파우치 실링장치 및 이를 실링방법에 관한 것으로, 보다 구체적으로는 파우치의 드로잉 공정을 배제할 수 있고 내구성이 증진될 수 있는 파우치형 이차전지, 파우치 실링장치 및 이를 이용한 실링방법에 관한 것이다. 본 발명의 일실시예에 따르면, 일측면 및 타측면 중 적어도 어느 하나에 전극 리드가 구비된 전극조립체; 및 파우치 필름의 중간 부분이 폴딩되어 전극조립체의 상면, 하면 및 후면을 덮어 상기 전극조립체를 감싸도록 마련되고, 상기 전극조립체의 전면 및 양측면에 위치하는 테두리부가 열융착되어 형성된 실링부가 구비된 파우치;를 포함하고, 상기 실링부는 상기 전극조립체의 일측면과 타측면 각각에 위치하며 상기 파우치 필름의 일부분이 접혀 열융착된 폴딩 실링부를 포함하며, 상기 폴딩 실링부는 상기 전극조립체의 전면에 근접하여 형성되는 전방 폴딩 실링부와 상기 전극조립체의 타측면에 근접하여 형성되는 후방 폴딩 실링부를 포함하는 파우치형 이차전지가 제공될 수 있다.
Resumen de: KR20250108520A
본 개시의 예시적인 실시예들의 이차 전지용 음극 활물질의 제조 방법에 따르면, 비고리형 헤미아세탈 관능기를 포함하는 카르복시메틸셀룰로오스 및 이의 염 중 적어도 하나를 포함하는 제1 바인더; 및 상기 비고리형 헤미아세탈 관능기를 포함하지 않는 카르복시메틸셀룰로오스 및 이의 염 중 적어도 하나를 포함하는 제2 바인더를 혼합하는 단계를 포함하고, 상기 제1 및 제2 바인더의 중량평균분자량은 300,000g/mol 초과 및 3,500,000g/mol 미만이다.
Resumen de: US2025223126A1
A mandrel member of a winder for a secondary battery, which is mounted in a winder configured to manufacture a jelly roll-type electrode assembly by winding a stack of a first electrode plate, a separator, and a second electrode plate, the mandrel member comprising a cylindrical body having a hollow portion, wherein the cylindrical body includes a plurality of slits having a planar shape to cross the cylindrical body in a hollow axis direction so that the hollow portion inside the cylindrical body is in fluid communication with the outside of the cylindrical body.
Resumen de: WO2025043638A1
A positive electrode material of a sodium-ion battery and a preparation method for a positive electrode material, and a sodium-ion battery. In an XRD spectrum of the positive electrode material, a characteristic diffraction peak A and a characteristic diffraction peak B of a crystal plane (003) and a crystal plane (104) are respectively present when 2θ ranges from 15° to 19° and from 39° to 44°, wherein the crystallite size DA at the characteristic diffraction peak A and the crystallite size DB at the characteristic diffraction peak B satisfy: 1.3≤DA/DB≤2.5, where DA and DB are respectively equivalent to the crystallite sizes of the crystal plane (003) and the crystal plane (104) in a vertical direction. The air stability and structural stability of the positive electrode material are improved while ensuring the high volumetric energy density of the positive electrode material; and by means of applying the positive electrode material to a sodium-ion battery, the electrochemical performance of the sodium-ion battery can be effectively improved.
Resumen de: WO2024109900A1
A binder, a preparation method therefor, and a battery. The binder comprises binder material particles. The binder material particle comprises a core part and a shell part. The core comprises a crystalline polymer. The shell part wraps at least part of the outer surface of the core part, and the shell part comprises an amorphous polymer.
Resumen de: KR20250108516A
본 개시의 예시적인 실시예들의 이차 전지용 음극 활물질의 제조 방법에 따르면, 믹서(mixer)에 실리콘계 활물질 입자를 포함하는 음극 활물질 분말 및 제1 바인더 분말을 투입하고, 제1 용매를 투입하며 제1 혼합하여 예비 음극 조성물을 형성하고, 상기 예비 음극 조성물을 형성한 후, 상기 믹서에 제2 바인더 분말을 투입하며 제2 혼합하여 음극 조성물을 형성하는 것을 포함한다. 상기 음극 조성물의 전체 중량을 기준으로 하여 상기 제1 바인더 및 상기 제2 바인더의 전체 함량은 1.5 중량% 내지 5 중량%이다.
Resumen de: KR20250108351A
본 개시에 따른 배터리 셀 테스트 장치는, 배터리 셀을 일면을 지지하는 지지 플레이트, 상기 배터리 셀의 타면에 배치되는 가압 플레이트, 및 상기 가압 플레이트를 매개로 상기 배터리 셀을 가압하는 가압 장치를 포함하며, 상기 배터리 셀은 복수의 가압 영역으로 구분되고, 상기 가압 장치는 서로 다른 상기 가압 영역에 면압을 인가하는 복수의 가압부를 포함할 수 있다.
Resumen de: US2025226479A1
The present disclosure relates to an apparatus and method for battery cooling control. An apparatus for battery cooling control according to some embodiments includes a cooling water control apparatus configured to control the supply of cooling water for cooling a battery system, and a control apparatus configured to obtain the state of charge and charge/discharge rate of the battery system, determine a heating value of the battery system according to the state of charge and the charge/discharge rate, and control the cooling water control apparatus to control the supply of the cooling water according to the heating value.
Resumen de: WO2025150825A1
According to an embodiment of the present invention, provided is a secondary battery comprising: an electrode assembly comprising a positive electrode, a negative electrode, and a separator; and an electrolyte, wherein the electrode assembly includes two or more unit cells and one or more insulation materials, and at least one of the one or more insulation materials is located between the two or more unit cells.
Resumen de: KR20250108385A
본 발명은 음극 전극을 준비하는 단계; 양극 전극을 준비하는 단계; 및 상기 음극 전극과 양극 전극 사이에 전해질을 위치시키는 단계;를 포함하고, 전극재료, 바인더 및 도전재를 준비하는, 재료 준비 단계; 상기 전극재료에 리튬 금속 분말을 혼합하는, 사전 리튬화 단계; 상기 사전 리튬화 단계에서 제조된 혼합물, 바인더 및 도전재를 혼합하는, 전극 재료 혼합 단계; 전극재료, 바인더 및 도전재가 혼합되어 섬유화되는, 섬유화 단계; 및 상기 섬유화 단계를 통해 제조된 혼합물을 시트 형태로 제막하여 전극 시트를 형성하는, 압연 단계;를 거쳐 제조된 음극 전극을 포함하는 무용매 기반의 건식전극 제조방법을 제공한다.
Resumen de: CN222300718U
The utility model relates to a battery thermal barrier and a battery module using the same. Various disclosed embodiments relate to structural features in the thermal barrier. The present disclosure includes a battery module having a stack of battery cells within a module housing and a thermal barrier between at least two cells in the stack of battery cells. The thermal barrier may include an isolation layer and structural features distributed in the isolation layer. A thermal barrier for a battery module may include an isolation layer configured to thermally isolate individual battery cells within the battery module; and structural features distributed within the isolation layer.
Resumen de: WO2025150869A1
According to some embodiments, a battery diagnosis device includes: a data management unit configured to collect an electrical signal data set of a welding process for forming an electrode tab in a plurality of sample battery cells and collect a fracture energy data set of a fracture experiment for measuring tensile strength while separating the electrode tab from the plurality of sample battery cells; and a control unit configured to generate a fracture energy estimation model for estimating fracture energy values corresponding to electrical signal values on the basis of the electrical signal data set and the fracture energy data set, and estimate fracture energy values corresponding to electrical signal values of a target battery cell by using the fracture energy estimation model.
Resumen de: JP2024076888A
To provide a polymer electrolyte with low strength loss even at high temperatures and high ionic conductivity at room to low temperatures without liquid electrolyte.SOLUTION: A polymer electrolyte includes a polymer having a specific end-free polyether structure, a specific polyether cross-linked structure, and a specific nitrogen-containing aromatic cationic group. The polymer electrolyte further contains a lithium salt. The volume swelling of the polymer electrolyte by the methyl ethyl ketone immersion method is 40-120%.SELECTED DRAWING: None
Resumen de: CN119731862A
An isolating membrane, a battery cell (5), a battery and an electric device (6), the isolating membrane comprising a liquid retaining polymer, the isolating membrane satisfying the following formula (m2-M)/(m1-M) > = 25%, m represents the mass of the electrolyte which is not absorbed by the isolating membrane, and the unit is g; m1 represents the mass of the isolating membrane which is soaked in the electrolyte for 2 hours and is weighed under the environment pressure, and the unit is g; and m2 represents the mass of the isolating membrane which is soaked in the electrolyte for 2 hours and then is weighed under the environment pressure of 10000 N, and the unit is g.
Resumen de: KR20250108060A
음극 집전체; 상기 음극 집전체상에 배치된 음극 활물질층; 상기 음극 활물질층상에 배치된 고체 전해질을 포함하는 전고체 이차전지용 음극-고체 전해질 서브어셈블리이며, 상기 음극 활물질층은 고체 전해질과 접촉되게 배치된 제1음극 활물질층과 음극 집전체와 접촉되게 배치된 제2음극 활물질층을 포함한 전고체 이차전지용 음극-고체 전해질 서브어셈블리이며, 상기 제1음극 활물질층은 i) 탄소계 음극 활물질과, ii) 금속과 준금속 중에서 선택된 하나 이상의 제1원소의 혼합물; i) 탄소계 음극 활물질과, ii) 금속과 준금속 중에서 선택된 하나 이상의 제1원소의 복합체; 또는 그 조합을 함유하는 제1음극 활물질을 포함하며, 상기 제2음극 활물질층은 i) 탄소계 음극 활물질과, ii) 금속과 준금속 중에서 선택된 하나 이상의 제2원소의 혼합물; i) 탄소계 음극 활물질과, ii) 금속과 준금속 중에서 선택된 하나 이상의 제2원소의 복합체; 또는 그 조합을 함유하는 제2음극 활물질을 포함하며, 상기 제1음극 활물질층의 제1원소 함량이 제2음극 활물질층의 제2원소 함량에 비하여 높고, 제1원소 함량이 제1음극 활물질총중량을 기준으로 하여 25 내지 80 중량%인, 전고체 이차전지용 음극-고체 전해질 서브어셈블리 및 이를 함유한 전고체 �
Resumen de: CN221304922U
The utility model discloses a battery monomer, battery and power utilization device wherein the battery monomer comprises a shell, an electrode assembly and an exhaust structure, the shell is provided with an inner cavity, and the shell is provided with a first wall; the electrode assembly is arranged in the inner cavity; the exhaust structure is arranged between the first wall and the electrode assembly, and the exhaust structure is provided with a fluid channel. According to the embodiment of the utility model, the exhaust structure is arranged in the inner cavity and is arranged between the electrode assembly and the first wall of the shell, so that the fluid channel on the exhaust structure can be used as a passage for air flow to flow, and the blocking of the exhaust structure arranged between the first wall and the electrode assembly to the air flow can be reduced; therefore, the airflow can flow to the preset position through the fluid channel, so that the reliability of the battery monomer is improved.
Resumen de: WO2025150842A1
The present invention relates to a positive electrode material, and relates to a positive electrode material, a positive electrode comprising same, and a lithium secondary battery, the positive electrode material comprising: a first positive electrode active material having an olivine structure; and a second positive electrode active material which is a lithium nickel-based oxide having a layered structure with an average particle diameter (D50) larger than the first positive electrode active material, wherein the first positive electrode active material has an average particle diameter (D50) of 0.5-10 ㎛, contains 2-3.5 wt% of carbon (C), and has an average crystal size of 100 nm or more and less than 160 nm.
Resumen de: WO2025145689A1
A high-nickel cobalt-free positive electrode material capable of dual residual alkali reduction and a preparation method therefor. The chemical expression of the high-nickel cobalt-free positive electrode material is LixNiyMn1-yAzO2, where 0.75＜y≤0.95, 0.95≤x≤1.15, and 0.001＜z≤0.005. Primary residual alkali reduction is implemented by means of water washing. In-situ formation of perovskite on the surface of the material consumes residual alkali in the material so as to achieve secondary residual alkali reduction, and can simultaneously form a LaaLibCoO3 perovskite coating layer. Because of the formed perovskite coating layer, the positive electrode material has high lithium ionic conductivity, a good capacity retention capacity and rate capability, and high reversibility. The prepared high-nickel cobalt-free positive electrode material has low residual alkali, a high discharge capacity, a good rate capability and good battery cycle performance.
Resumen de: KR20250108515A
본 개시의 예시적인 실시예들의 음극 도전재 분산액의 제조 방법에 따르면, 음극 도전재 및 비고리형 헤미아세탈 관능기를 포함하는 카르복시메틸셀룰로오스 및 이의 염 중 적어도 하나를 포함하는 분산제를 건식 혼합하여 혼합물을 형성한 후, 상기 혼합물 및 용매를 혼합하여 예비 분산액을 형성하고, 상기 예비 분산액을 분산하여 음극 도전재 분산액을 형성하는 것을 포함한다.
Resumen de: KR20250108518A
본 개시의 예시적인 실시예들의 이차 전지용 음극은 음극 집전체, 음극 집전체의 적어도 일 면 상에 배치되고 제1 바인더를 포함하는 제1 음극 활물질층, 및 제1 음극 활물질층 상에 배치되고 제1 바인더의 중량평균분자량보다 작은 중량평균분자량을 갖는 제2 바인더를 포함하는 제2 음극 활물질층을 포함하고, 제1 음극 활물질층 및 제2 음극 활물질층의 총 로딩량은 14.5 mg/cm2 내지 25 mg/cm2이다.
Resumen de: TW202437582A
The present invention addresses the problem of controlling, as uniformly as possible, the size of amorphous silicon blocks that are spontaneously and non-uniformly generated when LiB is charged and discharged using silicon as a negative electrode active material. The present invention relates to a material for forming an all-solid-state lithium ion secondary battery negative electrode having, on a negative electrode current collector, a negative electrode active material layer in which: island-shaped convex parts made of a composition for forming an all-solid-state lithium ion secondary battery negative electrode containing silicon crystals having an average particle diameter of 0.5-5.0 mum are formed in a pattern at intervals; and a connection layer made of the composition for forming an all-solid-state lithium ion secondary battery negative electrode is formed to be continuous with the island-shaped convex parts, on the bottom surface of groove sections formed between the island-shaped convex parts. With regard to a negative electrode obtained by using said negative electrode forming material, dense and uniformly shaped blocks are formed by fusing the active materials after charging and discharging.
Resumen de: WO2024100042A1
An embodiment includes a cover for a battery pack for an electrical vehicle that includes a plastic lamina defining an edge perimeter sized to cover an opening of a housing subcomponent of the battery pack, the plastic lamina comprising a plurality of cover fastening features proximal to the edge perimeter defining a cover fastening perimeter. The embodiment includes a continuous-fiber reinforced composite lamina preform coupled to the plastic lamina, defining a border region of the plastic lamina that surrounds the continuous-fiber reinforced composite lamina preform such that the continuous-fiber reinforced composite lamina preform is spaced apart from the cover fastening perimeter.
Resumen de: WO2024198316A1
Provided in the embodiments of the present application are a battery cell, a battery and an electric device. The battery cell comprises a shell, an electrode terminal, an electrode assembly, a pressure relief mechanism and an insulating member. The shell comprises a first wall and a second wall, and the electrode terminal is arranged on the first wall; the electrode assembly is arranged inside the shell; and the pressure relief mechanism is arranged on the second wall. The insulating member is arranged between the first wall and the electrode assembly, and the insulating member comprises an insulating member body and protrusions, wherein the insulating member body is provided with a first surface facing the electrode assembly, the protrusions are formed on the first surface, and the protrusions abut against the electrode assembly. Each protrusion is provided with a ventilation channel, which penetrates the protrusion in a direction intersecting with a thickness direction of the insulating member body. The battery cell has high reliability.
Resumen de: US2025226383A1
Electrodes and rechargeable lithium batteries including the same are provided. The electrode comprises a current collector, and a multiple active material layer on the current collector. The multiple active material layer includes a first electrode mixture layer on the current collector, a second electrode mixture layer on the first electrode mixture layer, and a third electrode mixture layer on the second electrode mixture layer. Each of the first, second, and third electrode mixture layers includes an electrode active material and a binder. The first, second, and third electrode mixture layers have different binder amounts. A first thickness of the first electrode mixture layer is less than a second thickness of the second electrode mixture layer. The first thickness is less than a third thickness of the third electrode mixture layer.
Resumen de: WO2025150707A1
A battery management system and a battery management method are disclosed. The battery system comprises: a battery monitoring IC (BMIC) for measuring a battery state; a processor for controlling all operations of a battery management system; a transceiver for recognizing the measured state of the battery and transmitting same to the processor; and a power source management circuit for providing a power source to the processor, wherein the processor includes a first terminal (VDDS_PowerControl) that outputs a first signal for controlling a first transistor, and uses the first signal to control the first transistor, and thus can provide a VDDS signal for determining a low power mode operation.
Resumen de: US2025226674A1
The present disclosure relates to an apparatus and a method for discharging a battery. An apparatus for discharging a battery according to embodiments includes a discharger, a first switch connected between the discharger and the battery, and a charge pump that includes a first capacitor, that is configured to charge the first capacitor with an electric energy charged in the battery when a first control signal indicating a normal state is input, and that is configured to connect the discharger and the battery by operating the first switch with an electric energy charged in the first capacitor when a second control signal indicating an occurrence of a fire event is input.
Resumen de: KR20250108519A
본 개시의 예시적인 실시예들의 이차 전지용 음극 활물질의 제조 방법에 따르면, 믹서(mixer)에 음극 활물질 분말 및 제1 바인더 분말을 투입하고, 제1 용매를 투입하며 제1 혼합하여 예비 음극 조성물을 형성하고, 상기 예비 음극 조성물을 형성한 후, 상기 믹서에 제2 바인더 분말을 투입하며 제2 혼합하여 음극 조성물을 형성한다. 상기 제1 바인더 분말 및 상기 제2 바인더 분말의 총 중량 중 상기 제1 바인더 분말의 함량은 30 중량% 내지 90 중량%이고, 상기 음극 조성물의 총 중량 중 고형분 함량은 53 중량% 이상이다.
Resumen de: US2025223189A1
A positive electrode active material with a controlled specific surface area, a method of preparing the same, and a positive electrode containing the same, can have a density of the positive electrode active material being optimized by controlling the sintering conditions and composition of the positive electrode active material, thus maximizing the output characteristics of an all-solid-state battery containing the same. The positive electrode active material can include a lithium composite oxide enabling intercalation or deintercalation of lithium, wherein in the lithium composite oxide, a ratio (Sm/Sc) of a measured specific surface area (Sm) based on a Brunauer-Emmett-Teller (BET) method to a calculated specific surface area (Sc) based on a particle size distribution (PSD) analysis result is in a first range of 2.0 to 3.3.
Resumen de: AT527873A1
Die Erfindung betrifft eine Wärmeübertragungsvorrichtung (4) umfassend einen Elementkörper, der zumindest einen Fluidkanal (9) aufweist, wobei der Fluidkanal (9) zumindest teilweise von einem ersten Wärmeübertragungselement (6) gebildet ist, wobei das erste Wärmeübertragungselement (6) aus einem ersten Verbund- material gebildet ist, das in der angegebenen Reihenfolge übereinander eine erste Kunststoffschicht (13), eine erste leitfähige Schicht (14) und eine zweite Kunst- stoffschicht (15) aufweist, wobei die erste leitfähige Schicht (14) eine elektrische Leitfähigkeit bei 25 °C nach DIN EN 50994:2017-11 von zumindest 1 S/m und/oder eine Wärmeleitfähigkeit bei 25 °C nach ASTM E1530 von zumindest 0,1 W/mK aufweist, und das erste Verbundmaterial auf der zweiten Kunststoffschicht (15) und damit verbunden eine zweite leitfähige Schicht (16) aufweist, die eine elektrische Leitfähigkeit bei 25 °C nach DIN EN 50994:2017-11 von zumindest 1 S/m und/oder eine Wärmeleitfähigkeit bei 25 °C nach ASTM E1530 von zumindest 0,1 W/mK aufweist.
Resumen de: KR20250108514A
본 개시의 예시적인 실시예들의 이차 전지용 음극 활물질의 제조 방법에 따르면, 믹서(mixer)에 음극 활물질 분말 및 제1 바인더 분말을 투입하고, 제1 용매를 투입하며 제1 혼합하여 예비 음극 조성물을 형성하며, 상기 예비 음극 조성물을 형성한 후, 상기 믹서에 제2 바인더 분말을 투입하며 제2 혼합하여 음극 조성물을 형성하는 것을 포함한다.
Resumen de: WO2024178951A1
A cooling assembly, a battery pack comprising same, and a vehicle. The cooling assembly comprises a framework and a filler; the framework comprises a plurality of holes penetrating through the framework in the thickness direction of the framework; the holes are filled with the filler; the filler comprises a matrix and a liquid phase change medium; and the matrix comprises a lyophilic polymer material.
Resumen de: WO2024080837A1
The present invention relates to a secondary battery with excellent impact resistance. The secondary battery according to the present invention comprises an electrode assembly, an electrolyte, and a battery case including an accommodation unit for accommodating the electrode assembly and the electrolyte, and satisfies formula (1). In formula (1): W / S ≤ 42(g/Ah)·m-², W is an electrolyte amount unit: g/Ah per unit capacity of the secondary battery, and S is a multiplication of the full length unit: m and the full width unit: m of the electrode assembly.
Resumen de: WO2025147113A1
According to exemplary embodiments, a secondary battery manufacturing equipment is provided. The equipment comprises: an unwinder configured to unwind an electrode sheet from a first electrode roll; a rewinder configured to wind the electrode sheet onto a second electrode roll; a first die coater configured to form a first coating layer of the electrode sheet; a second die coater configured to form a second coating layer of the electrode sheet; and laser beam irradiators configured to partially etch the second coating layer.
Resumen de: WO2024109564A1
The present invention relates to the field of lithium battery positive electrode materials. Disclosed is a high-capacity long-cycle life low-cobalt single crystal positive electrode material, wherein the interior of particles thereof is divided into a first region and a second region from outside to inside, and cobalt concentrations of the first region and the second region are gradiently distributed from outside to inside at a decrease rate of 6%-20% per 100 nm and a decrease rate of 0.1%-6% per 100 nm, respectively. The design can remarkably improve first charge/discharge capacity and rate performance, and can obviously improve a high-temperature cycle. Further disclosed is a preparation method for the low-cobalt single crystal positive electrode material, the process is simple, the costs are low; the particle size morphology and the structure of the low-cobalt single crystal positive electrode material are regulated and controlled by selecting a proper high-nickel low-cobalt small-particle precursor and by combining element doping, coating and modification, and dry sintering processes; the crystal structure and surface are modified, and a two-stage progressively decreasing cobalt concentration gradient distribution from outside to inside is formed, so that the common problems of high residual lithium, poor power and cycle performance and poor safety performance of the high-nickel low-cobalt positive electrode material are solved.
Resumen de: TW202440951A
A composite material (pyrolyzed black mass) comprising valuable metals, e.g., nickel, cobalt, manganese, lithium, aluminum, and copper, and having improved processibility and/or metal recovery in processes for recycling and/or recovery of the valuable metals is disclosed. The composite material is a useful intermediate in the recycling of lithium ion batteries. A process for producing the composite material from lithium ion batteries also is disclosed.
Resumen de: WO2025147124A1
According to the present invention, a composite polymer electrolyte having excellent ionic conductivity as well as mechanical strength, and a method for manufacturing same can be provided. In addition, according to the present invention, the composite polymer electrolyte is particularly applied to an all-solid-state battery using lithium metal or a lithium alloy as a negative electrode, thereby suppressing the generation of lithium dendrites and improving lifespan characteristics.
Resumen de: US2025226553A1
A rechargeable battery module includes: a busbar holder configured to cover a plurality of battery cells; a flexible printed circuit (FPC) configured to transmit a signal corresponding to a detected temperature of at least one of the battery cells from a temperature sensor mounted on the busbar holder; a temperature sensing tab including a sensor connection portion at a first side that is connected to the temperature sensor and a cell contact portion at a second side that is coupled to the busbar holder and in contact with the one of the battery cells; and an elastic member coupled to the cell contact portion and configured to elastically pressurize the cell contact portion onto the one of the battery cells.
Resumen de: US2025222417A1
An agitator according to embodiments of the present disclosure includes: an agitation tank; a rotation axis that is installed to rotate within the agitation tank; a first wing portion that is connected to the rotation axis and includes a plurality of wings parallel to the rotation axis; and a second wing portion that is connected to the rotation axis and includes a band-shaped wing forming a screw thread along the rotation axis.
Resumen de: WO2024248573A1
The present invention relates to a positive electrode active material capable of improving the performance of a lithium secondary battery. The present invention relates to a positive electrode active material, and a positive electrode and a lithium secondary battery comprising same, the positive electrode active material including: a lithium composite transition metal oxide in the form of a single particle; and a coating part formed on the lithium composite transition metal oxide and including an amorphous lithium compound, wherein the coating part includes: a first coating part; and a second coating part, the first coating part has a discontinuously formed island shape and the second coating part has a continuously formed coating layer shape, and the first coating part and the second coating part each independently include boron (B) and cobalt (Co), and selectively include one or more coating elements selected from the group consisting of Co, Al, Ba, Ce, Cr, F, Mg, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, S, Sr, Ta, La, and Hf.
Resumen de: KR20250107429A
ESS 시스템에 적용하기 위한 배터리 모듈 및 그 적용 방법이 제시된다. 본 발명에서 제안하는 ESS 시스템에 대한 배터리 모듈 적용 방법은 배터리 모듈 분리부가 폐배터리 재사용을 위해 상기 폐배터리를 배터리 팩 구조물에서 배터리 모듈만 분리하는 단계, 상기 배터리 모듈의 구조를 반영하기 위한 통합 젠더 구조물에 상기 배터리 모듈을 장착하는 단계 및 상기 통합 젠더 구조물을 통해 일정한 형태로 ESS 배터리 팩을 구성하는 단계를 포함한다.
Resumen de: KR20250107582A
본 발명은 폐리튬이온전지로부터 망간(Mn), 코발트(Co) 및 니켈(Ni)의 화합물을 고순도로 회수하는 방법에 관한 것이다. 본 발명에 따른 방법은, 폐리튬이온전지를 제련 및 환원하여 합금으로부터, 망간, 코발트 및 니켈 화합물을 회수하는 방법으로, (a) 산 용액을 사용하여 상기 합금을 용해하여 침출액을 만드는 단계; (b) 상기 침출액에 포함된 구리 및/또는 알루미늄 이온을 제거하는 단계; (c) 산화제를 사용하여 상기 침출액에 포함된 망간 이온을 선택적으로 산화시켜 망간 산화물을 회수하는 단계; (d) 유기추출제를 사용하여 상기 망간 산화물이 회수된 침출액에 포함된 코발트 이온을 선택적으로 추출하여 회수하는 단계; 및 (e) 상기 코발트 이온이 추출된 추출여액에 포함된 니켈 이온을 침전시켜 회수하는 단계;를 포함한다.
Resumen de: TW202435967A
The present disclosure relates to a plant for recycling lithium ion battery materials, in particular lithium ion batteries, and to a process for recovering valuable materials from lithium ion battery material.
Resumen de: KR20250107832A
개시된 다양한 양태는 지능형 열 장벽을 갖는 배터리 모듈에 관한 것이다. 본 발명은 배터리 셀 스택, 이 배터리 셀 스택의 적어도 두 개의 셀 사이의 열 장벽, 및 배터리 셀 스택을 둘러싸는 모듈 커버와 하우징을 포함하는 배터리 모듈을 포함한다. 열 장벽은 적어도 에어로겔을 포함하는 격리 층과, 적어도 하나의 센서를 포함할 수 있다.
Resumen de: US2025226539A1
A rechargeable battery module includes a bus bar holder covering battery cells; a bus bar on the bus bar holder to electrically connect the battery cells; and a flexible printed circuit on the bus bar holder to transmit a signal that detects a voltage of the battery cell connected to the bus bar. The bus bar includes an extension portion protruding in one direction, and the flexible printed circuit includes a main body portion, a branch portion extending from the main body portion, and an expansion portion having an expanded area on the branch portion that is soldered to the extension portion.
Resumen de: KR20250107611A
본 발명에 따른 이차 전지는 전극 조립체, 전극 조립체가 수용되도록 구성되는 전지 케이스를 포함하고, 전지 케이스는 최외측에 위치되는 표면 보호 층, 표면 보호 층보다 내측에 위치되는 배리어 층 및 표면 보호 층과 배리어 층의 사이에 위치되고, 복수의 단위 패턴이 반복 배열되어 형성되는 패턴을 포함할 수 있다.
Resumen de: WO2025147019A1
The present invention relates to a rechargeable battery that can be charged and discharged and a method for manufacturing the rechargeable battery that can be charged and discharged. A rechargeable battery according to one embodiment of the present invention may comprise: a plurality of electrode assemblies each having an electrode tab bundle; an intermediate electrode interposed between the plurality of electrode assemblies; and a case for accommodating the plurality of electrode assemblies and the intermediate electrode.
Resumen de: KR20250107387A
본 발명은 테이핑 공정이 개선된 전지셀 테이핑 장치 및 이를 이용한전지셀 테이핑 방법에 관한 것으로, 상세하게는 전지셀이 안착되는 평판 형상의 안착지그, 테이프를 공급하는 공급롤러, 상기 테이프의 일측을 잡아 고정하는 테이프 고정부, 상기 고정부에 의해 고정된 상기 테이프를 절단하는 절단부 및 상기 테이프를 흡착하는 흡착부를 포함하는 것을 특징으로 하는 전지셀 테이핑 장치 및 이를 이용한 전지셀 테이핑 방법에 관한 것이다.
Resumen de: KR20250107828A
다층 열 장벽, 배터리 모듈 및 관련 방법이 개시된다. 일례에서, 다층 열 장벽의 탄성 층은 리튬-이온 파우치 셀과 실질적으로 동일한 크기의 풋프린트로 치수화된다. 열 절연 층이 풋프린트를 넘어 측방으로 연장되는 구성이 제시된다.
Resumen de: US2025226464A1
Disclosed are a method of manufacturing an all-solid-state battery including a silicon-based anode active material, and methods of operating and testing an all-solid-state battery manufactured by the manufacturing method.
Resumen de: US2022293957A1
An anode is provided. The anode can comprise a three dimensional current collector and an anode active material layer provided on the surface of the three dimensional current collector.
Resumen de: KR20250107314A
반송용 지그가 개시된다. 본 발명의 반송용 지그는, 상부 일측에 이차전지를 안착시킬 수 있는 이차전지 안착부가 형성된 지그 본체; 상기 지그 본체의 상부 타측에 공압의 제공에 따라 승강 동작되도록 설치되는 한 쌍의 실린더; 상기 실린더의 상부에 이차전지 안착부 방향으로 길게 설치되고, 상기 실린더의 승강 동작에 따라 이차전지를 홀딩시키거나 또는 홀딩 상태를 해제시키도록 설치되는 한 쌍의 승강 누름부; 및 상기 지그 본체에 각각의 실린더와 연결되도록 설치되고, 상기 이차전지의 홀딩 또는 홀딩 해제에 필요한 공압을 제공하는 공압 제공부;를 포함하는 것을 특징으로 한다. 본 발명에 의하면, 이차전지를 제조 공정별로 반송 시 공압호스와 상시 연결되어 이차전지의 홀딩 또는 홀딩 해제에 필요한 공압을 제공받은 종래기술과 달리, 별도의 공압호스의 연결없이도 압축공기의 간단한 주입에 따라 이차전지의 홀딩 또는 홀딩 해제에 필요한 공압을 유지할 수 있게 됨으로써 주변 구조물의 간섭없이 레일을 따라 제조 공정으로 자유롭게 반송시킬 수 있다.
Resumen de: KR20250107570A
본 발명은 도전재 혼합물에 포함된 압축 도전재 입자의 크기 및 혼합 조건을 최적화하여 도전재 분산액의 점도를 낮추고, 유동성을 증가시킴으로써 전극 제조의 공정성을 향상시킨 이차전지용 전극의 제조방법, 이에 의해 제조된 이차전지용 전극, 및 상기 혼합 조건을 최적화하여 제조한 도전재 분산액에 관한 것이다.
Resumen de: KR20250106923A
본 발명은 테이프 자동화 공급 유닛에 관한 것으로서, 보다 상세하게는 J/R에 테이핑 될 테이프를 J/R에 공급하며, 공급할 테이프가 연결되는 스테이션을 포함하는 공급부, 테이프가 권취된 테이프롤을 복수개 포함하는 릴 회전유닛 및 각각의 상기 릴 회전유닛이 소정 거리 이격되어 배치될 수 있도록 패널 형상을 가지며, 상기 릴 회전유닛이 복수개 고정되며, 패널의 중심을 회전축으로 하여 회전 가능하도록 회전 동력을 제공하는 제1구동부와 연결되는 릴 하우스를 포함하며, 상기 릴 하우스는 일 상기 릴 회전유닛의 테이프가 소진될 경우, 회전함으로써 테이프가 소진된 상기 릴 회전유닛과 상기 스테이션의 연결을 해제하고, 타 상기 릴 회전유닛과 상기 스테이션을 연결시켜 상기 공급부에 테이프를 자동 공급할 수 있는 것을 특징으로 하는 테이프 자동화 공급 유닛에 관한 것이다.
Resumen de: FR3158195A1
Circuit de fluide diélectrique pour un dispositif de régulation thermique, notamment de véhicule automobile L’invention concerne un circuit de fluide diélectrique pour un dispositif de régulation thermique, ledit circuit comprenant au moins un conduit (11) de distribution en fluide diélectrique et un nombre prédéfini de buses (13) d’aspersion configurées pour projeter du fluide diélectrique, par au moins un orifice de projection. Au moins deux orifices de projection sont configurés pour arroser au moins une zone commune (Z1, Z2) d’au moins un logement (7) dudit dispositif. Au moins un premier orifice est agencé pour projeter au moins un premier jet (J1) de fluide diélectrique sur la zone commune (Z1, Z2) à une première distance (D1) d’une bordure du logement (7). Au moins un deuxième orifice est agencé pour projeter au moins un deuxième jet (J2) de fluide diélectrique sur la zone commune (Z1, Z2) à une deuxième distance (D2) plus éloignée de la bordure du logement (7). Figure pour l’abrégé : Fig. 3
Resumen de: WO2025147152A1
According to an embodiment of the present invention, the battery management apparatus comprises: a profile acquisition unit configured to acquire a battery profile indicating the correspondence between the voltage and capacity of a battery; a profile determination unit configured to determine a positive electrode profile and a negative electrode profile of the battery by adjusting a preconfigured reference positive electrode profile and a preconfigured reference negative electrode profile to correspond to the battery profile; and a control unit configured to calculate a lithium loss rate of the battery on the basis of the positive electrode profile of the battery, calculate a negative electrode side reaction rate of the battery on the basis of the battery profile, and calculate a positive electrode side reaction rate of the battery on the basis of the lithium loss rate and the negative electrode side reaction rate.
Resumen de: WO2024123857A1
An example electrode for a battery is provided, as well as a system and method for fabrication of an electrode for the battery. The electrode includes an electrically conductive substrate defining a first surface and a second surface. The electrode includes a pattern of an active material coating formed on at least one of the first or second surface of the electrically conductive substrate. The pattern includes coated and uncoated areas formed by depositing an active material dry powder onto at least one of the first surface or the second surface of the electrically conductive substrate via electrostatic spray deposition during movement of the electrically conductive substrate, and selectively removing at least a portion of the active material dry powder from at least one of the first surface or the second surface of the electrically conductive substrate with a powder removing assembly to create the uncoated areas of the pattern.
Resumen de: US2025226388A1
A rechargeable lithium battery including a positive electrode including a positive electrode active material, the positive electrode active material including a first positive electrode active material that includes a layered lithium nickel-manganese-based composite oxide and is in a form of secondary particles formed, the secondary particles including a plurality of primary particles, and an average particle diameter (D50) of the secondary particles is about 10 μm to about 25 μm, and a second positive electrode active material that includes a layered lithium nickel-cobalt-based composite oxide and is in a form of single particles, and an average particle diameter (D50) of the single particles is about 0.5 μm to about 8 μm.
Resumen de: US2025226394A1
Cathodes and secondary batteries including the cathodes are disclosed. In an embodiment, a cathode includes: a cathode current collector, a first cathode active material disposed on at least one surface of the cathode current collector, and including a first cathode active material; and a second cathode active material layer disposed on the first cathode active material layer, and including a second cathode active material different from the first cathode active material, wherein a Raman peak intensity ratio of the first cathode active material layer is smaller than a Raman peak intensity ratio of the second cathode active material layer.
Resumen de: WO2025147100A1
An apparatus for managing a battery according to one embodiment of the present invention comprises: a profile acquisition unit configured to acquire a differential profile indicating a correspondence relationship between a voltage and a differential capacity of the battery; and a control unit configured to determine a first point which is, in a preset target voltage section, a starting point of the target voltage section, a second point having the highest differential capacity, and a third point having the lowest differential capacity in a voltage section equal to or greater than the voltage of the second point, and diagnose the state of the battery according to the differential capacities of the first point, the second point, and the third point.
Resumen de: US2025226496A1
A bulkhead seal for sealing storage modules from one another in a common housing, the storage modules being separated by a bulkhead. The bulkhead seal includes a mounting portion, first sealing lip, second sealing lip, and central sealing lip. The central sealing lip is disposed between the first and second sealing lip so that a first interstitial space is formed between the central and first sealing lips and a second interstitial space is formed between the second and central sealing lips. The first, second, and central sealing lip are configured to contact the housing. The first sealing lip is configured to seal the first energy storage module from the first interstitial space. The second sealing lip is configured to seal the second energy storage module from the second interstitial space. The central sealing lip is configured to seal the first interstitial space from the second interstitial space.
Resumen de: KR20250107053A
본 발명은 전기 분야 중 배터리 착탈식 ESS 발전장치 조립체에 관한 것으로, 보다 상세하게는 다수개의 배터리를 하나의 배터리 모듈로 조립하고, 이 배터리 모듈을 하나의 케이스에 슬라이드식으로 착탈가능하게 결합하는 방식으로 ESS팩을 구현할 수 있어 조립설치가 용이하고, 배터리 각 셀마다 비접촉 IR(Infrared Ray)센서에 의해 실시간 관측 관리되게 하여 과열시 즉시 검출이 가능하여 온도과열전에 불량을 사전에 예측하고, 즉시 교체하여 안전사고를 예방하며, 해당 배터리만 쉽고 빠르게 사고전에 교체할 수 있어 발화 등 안전사고를 미연에 방지할 수 있도록 이루어진 것이다.
Resumen de: US2025223191A1
A positive electrode active material for rechargeable lithium batteries includes: a first positive electrode active material including a first lithium nickel-based composite oxide and being in a form of secondary particles having an average particle diameter (D50) of about 10 μm to about 25 μm; a second positive electrode active material including a second lithium nickel-based composite oxide and being in a form of secondary particles having an average particle diameter (D50) of about 0.5 μm to about 8 μm; and a third positive electrode active material including a third lithium nickel-based composite oxide and being in a form of secondary particles including a plurality of primary particles, wherein an average particle diameter (D50) of the secondary particles is about 0.5 μm to about 8 μm, and the primary particles constituting the secondary particles of the third positive electrode active material are needle-shaped.
Resumen de: US2025219078A1
The present invention relates to an LFMP-based positive electrode active material for a lithium secondary battery, provided with excellent capacity and lifetime characteristics, and a secondary battery including the same, and specifically, relates to an LFMP-based positive electrode active material for a lithium secondary battery, provided with excellent capacity and long life characteristics due to the composition of the LFMP-based positive electrode active material and structural characteristics of a positive electrode including the same, and a lithium secondary battery including the same.
Resumen de: US2025226526A1
A battery assembly of the present disclosure includes: a plurality of battery cells, which each include a main body portion storing and supplying electric energy and a tab portion protruding outwardly from the main body portion and electrically connecting the main body portion and the outside and are stacked along one direction; an accommodating housing accommodating the plurality of battery cells therein; a busbar assembly positioned inside the accommodating housing and including a through-hole formed on one surface thereof, wherein the tab portion is inserted into the through-hole to electrically connect at least a part of the plurality of battery cells to each other; and a pillar-shaped flame retardant portion positioned in an insertion space formed between the main body portion and the busbar assembly by tab portions of two adjacent battery cells among the plurality of battery cells.
Resumen de: US2025226434A1
Proposed are a high-temperature pressurizing system 1 for an all-solid-state secondary battery, and a method thereof. More specifically, Proposed are a high-temperature pressurizing system 1 for an all-solid-state secondary battery, and a method thereof, in which a pressurizing part, where a high-temperature pressurizing process is performed between a solid electrolyte and an active material of an all-solid-state secondary battery to maximize a contact interface and minimize an interfacial resistance, is configured along a perpendicular direction, thereby eliminating the need for a process of discharging a fluid from an internal space of a vessel after completing the high-temperature pressurizing process, reducing a tact time. At the same time, a plurality of pressurizing parts is arranged at predetermined intervals, thereby increasing process efficiency.
Resumen de: US2025226493A1
A battery pack includes a battery cell and a pouch accommodating the battery cell. The pouch includes a terrace extending in a first direction in which an electrode of the battery cell is drawn out. The pouch also includes a substrate including a protection element on a first surface configured to control charging and discharging of the battery cell. A second surface opposing the first surface is opposite to a module seating surface of the terrace. The pouch also includes a molding portion covering the protection element on the first surface, and a support between the molding portion and the substrate and configured to support the substrate.
Resumen de: KR20250106842A
본 발명은 부품과 구성이 단순화될 수 있고, 부품 수 축소 및 조립 공정의 단순화가 가능해지며, 차량을 통해 전달되는 진동과 충격으로부터 부품을 안정적으로 보호할 수 있는 배터리 팩 조립체를 제공하는데 주된 목적이 있는 것이다. 상기한 목적을 달성하기 위해, 적층된 복수 개의 카트리지 블록, 및 이웃한 카트리지 블록 사이에 수용된 배터리 셀을 포함하는 셀 카트리지 조립체; 및 상기 적층된 카트리지 블록의 상단부 전측과 후측의 양측 모서리 부분에 안착된 상태로 조립되는 한 쌍의 어퍼 서포트 바를 포함하고, 상기 각 어퍼 서포트 바는 측단부가 하방으로 구부러진 형상을 가지며, 상기 한 쌍의 어퍼 서포트 바의 측단부 사이에 상기 적층된 카트리지 블록의 상단부가 위치된 상태로, 상기 한 쌍의 어퍼 서포트 바에 의해 상기 적층된 카트리지 블록의 전후방향 움직임이 구속될 수 있도록, 상기 한 쌍의 어퍼 서포트 바의 측단부가 상기 적층된 카트리지 블록의 상단부를 바깥쪽에서 지지하는 것인 배터리 팩 조립체가 개시된다.
Resumen de: KR20250106797A
본 발명은 철도차량용 배터리 박스에 관한 것으로서, 특히 일측에 공기의 순환을 위한 공기순환 수단을 구비하여 박스 내부로 공기가 지속적으로 순환되도록 함으로써, 배터리에서 발생되는 열을 신속하고 원활하게 제거하여 배터리 발열로 인한 폭발이나 화재를 예방하는 철도차량용 배터리 박스에 관한 것이다. 구성은 철도차량용 배터리 박스에 있어서, 복수 개의 에어 벤트(air vent)와, 냉각팬으로 구성되는 공기순환 수단과; 배터리 박스 내부 배터리 모듈 일측에 형성되어 과전압을 방전(放電)으로 억제토록 하는 어레스터; 를 포함하여 이루어지는 것을 특징으로 한다.
Resumen de: KR20250107001A
본 발명은 원통형 이차전지를 개시한다. 본 발명 발명에 따른 원통형 이차전지는: 전지캔; 상기 전지캔의 내부에 수용되고, 중심부에 중공형 코어부가 형성되는 전극 조립체; 및 상기 코어부에 배치되고, 상기 코어부를 지지하는 다공성 센터핀;을 포함할 수 있다.
Resumen de: KR20250107062A
본 발명은 (S1) 분산매에 전이금속 중 Ni의 함량이 50 mol% 이상인 리튬 니켈계 전이금속 복합 산화물을 포함하는 양극 활물질과 바인더를 투입하여 예비 슬러리를 제조하는 단계; (S2) 상기 예비 슬러리의 일부를 취하여 원심분리해서 고형분 및 상등액으로 분리하는 단계; (S3) 상기 상등액 내 바인더 농도를 측정하여 양극 활물질에 흡착된 바인더의 흡착량을 계산하는 단계; 및 (S4) 상기 양극 활물질에 흡착된 바인더의 흡착량을 설정된 기준 바인더 흡착량과 대비하여 상기 바인더의 흡착량이 상기 기준 바인더 흡착량 이하일 때, 상기 단계 S1에서 제조된 예비 슬러리에 도전재를 투입하여 양극 슬러리를 제조하는 단계;를 포함하는 양극 슬러리의 제조방법에 관한 것이다.
Resumen de: KR20250106966A
본 발명은 고체 이온성 전해질에 제1 첨가제를 투입하여 고체에서 액체로의 상전이를 유도하는 단계; 상기 상전이 유도 단계에서 제조된 화합물에 제2 첨가제를 투입하는 단계; 상기 제2첨가제 첨가 단계에서 제조된 화합물에 제3 첨가제를 투입하여 고분자 전해질을 제조하는 단계; 및 상기 고분자 전해질을 세라믹 고체전해질에 함침시켜 세라믹-고분자 고체전해질을 제조하는 단계;를 거쳐 제조된 세라믹-고분자 고체전해질을 제공한다.
Resumen de: US2025226407A1
A method of preparing a positive electrode active material, and a rechargeable lithium battery including a positive electrode active material prepared therefrom are provided, the method including adding lithium hydroxide, nickel sulfate, cobalt sulfate, and ammonium carbonate to an aqueous solvent and mixing them to prepare a raw material mixture, wet-pulverizing the raw material mixture, spray-drying the pulverized material to obtain a positive electrode active material precursor mixture, and subjecting the positive electrode active material precursor mixture to heat treatment to obtain a positive electrode active material in a form of a single particle and including lithium nickel-cobalt-based composite oxide.
Resumen de: US2025226516A1
A battery assembly includes a base plate; a resin layer disposed on an upper surface of the base plate; a battery cell located above the resin layer; and an insulating sheet located between the battery cell and the resin layer, the insulating sheet having a score line.
Resumen de: WO2025146872A1
The present invention relates to a solid electrolyte, and a solid electrolyte membrane and an all-solid-state rechargeable battery which comprise same, the solid electrolyte comprising argyrodite-type sulfide-based solid electrolyte particles and a lithium salt located on the surfaces of the particles, wherein the lithium salt has F and P-O functional groups.
Resumen de: US2025226527A1
Embodiments of the present disclosure relate to a battery assembly including a plurality of battery cells stacked and arranged in one direction, an accommodating case accommodating the plurality of battery cells, an insertion space formed between the plurality of battery cells and the accommodating case, and an insertion member including a first region tapered toward one end and positioned in the insertion space, and an assembling method of the same.
Resumen de: KR20240037646A
A positive electrode for a lithium secondary battery according to exemplary embodiments may include: a positive electrode current collector; and a positive electrode active material layer formed on the positive electrode current collector, including positive electrode active material particles, and satisfying equation 1. Positive electrode active material particles contain nickel, and the molar fraction of cobalt among all elements except for lithium and oxygen is 0. Lithium metal oxide particles having 02 or less may be included.
Resumen de: US2025226556A1
A battery pack includes a battery module including battery cells, and busbars electrically connecting respective ones of the battery cells, and a circuit board connected to the battery module, and including a first part including wires, and extending in a length direction of the battery module, second parts extending from the first part in a direction crossing the first part, and including a circuit pattern including a fuse pattern configured to be opened based on an abnormal current, and a non-fuse pattern configured to maintain electrical connection with one or more of the busbars, and third parts respectively extending from the second parts, and connected to the busbars.
Resumen de: US2025226672A1
An apparatus for setting a battery pack identifier of a battery pack, the apparatus comprising: a first supply configured to supply a power source voltage through a first pin; a second supply configured to supply a ground voltage through a second pin; a plurality of analog-to-digital converters having an input pin and an output pin, and configured to transmit a voltage corresponding to a voltage input through the input pin to the output pin; a plurality of jumper wiring configured to connect input pins of the plurality of analog-to-digital converters with the first pin or the second pin, respectively; and a controller configured to set the battery pack identifier of the battery pack based on the voltages received through the output pin of each of the plurality of analog-to-digital converters.
Resumen de: US2025223193A1
A method of preparing a positive electrode active material, and a rechargeable lithium battery including a positive electrode active material prepared therefrom are provided. The method includes adding lithium carbonate, nickel carbonate, and cobalt carbonate to an aqueous solvent and mixing the lithium carbonate, the nickel carbonate, the cobalt carbonate, and the aqueous solvent to prepare a raw material mixture, wet-pulverizing the raw material mixture, spray-drying the pulverized raw material mixture to obtain a positive electrode active material precursor mixture, and subjecting the positive electrode active material precursor mixture to heat treatment to obtain a positive electrode active material in a form of single particles and including lithium nickel-cobalt-based composite oxide.
Resumen de: KR20250106840A
본 발명은 이차전지 셀들의 전기적 연결 및 기구적 연결이 견고하게 유지될 수 있는 것은 물론, 부품 조립을 위한 공정의 단순화와 효율화를 도모할 수 있고, 진동이나 충격을 흡수할 수 있는 구조를 구비하여 차량용으로도 널리 사용될 수 있는 배터리를 제공하는데 주된 목적이 있는 것이다. 상기한 목적을 달성하기 위해, 복수 개의 이차전지 셀; 상기 복수 개의 이차전지 셀이 수납되는 케이스; 및 상기 케이스에서 개구된 전면부와 후면부, 상기 전면부와 후면부 사이의 제1 측벽부에 걸쳐서 위치하도록 조립되는 센싱 블록 조립체를 포함하고, 상기 센싱 블록 조립체는 프레임; 상기 프레임에 조립되고 케이스에 수납된 복수 개의 이차전지 셀 간을 전기 연결하며 이차전지 셀을 외부 회로에 전기 연결하기 위해 구비되는 셀 연결 버스바; 상기 셀 연결 버스바에 전기 접속되도록 고정되고 배터리 상태를 센싱하기 위해 구비되는 센싱 버스바; 및 상기 프레임에 조립되고 상기 센싱 버스바가 전기 접속된 와이어 하네스를 포함하는 배터리가 개시된다.
Resumen de: WO2025146987A1
The present invention relates to a jig for pressurizing a pouch-type secondary battery, and a method for inspecting a pouch-type secondary battery using same, wherein the jig for pressurizing a pouch-type secondary battery comprises: a first pressurizing unit including a first pressurizing plate provided such that a second side of a pouch-type secondary battery is settled; a second pressurizing unit provided so as to pressurize a first side of the pouch-type secondary battery, the second pressurizing unit including a second pressurizing plate provided with air holes formed such that a fifth side and a sixth side are in communication with each other; and an air injection unit provided so as to inject air onto the first side of the pouch-type secondary battery through the air holes.
Resumen de: WO2025145516A1
The present application provides a battery module, comprising a battery cell and a heat dissipation pressure relief piece. The heat dissipation pressure relief piece has a liquid cooling separation part and a smoke exhaust pressure relief part; the smoke exhaust pressure relief part is provided with a pressure relief channel and an exhaust port leading to the pressure relief channel, the liquid cooling separation part being located on a side of the pressure relief channel and vertically connected to the smoke exhaust pressure relief part; an explosion-proof valve of the battery cell is arranged corresponding to the exhaust port, and the battery cell exchanges heat with the liquid cooling separation part. In addition, further provided is a battery pack using the battery module.
Resumen de: WO2025147017A1
The technical concept of the present invention is to provide a battery pack comprising: a pack housing including a first support structure; and a battery assembly accommodated in the pack housing, wherein the battery assembly includes: a cell block including a plurality of battery cells stacked in a first direction; a frame including a first side cover and a second side cover spaced apart from each other in the first direction with the cell block therebetween; and a top cover that includes a central part, which is coupled to the frame so as to cover the cell block, and a first outer part, which protrudes from the first side cover to the outside, the first outer part being fastened to the first support structure. A first buffer space extending in the first direction is provided between the first side cover and the first outer part of the top cover.
Resumen de: EP4583271A2
An energy storage system is provided having reduced overall length of bus bars that are configured to connect a plurality of battery modules and a minimized difference in length between the bus bars. The energy storage system including a battery module stack including a plurality of first battery modules and a plurality of second battery modules alternately arranged in a first direction, a first module bus bar configured to electrically connect a pair of first battery modules disposed adjacent to each other among the plurality of first battery modules with one second battery module interposed therebetween, a second module bus bar configured to electrically connect a pair of second battery modules disposed adjacent to each other among the plurality of second battery modules with one first battery module interposed therebetween, and a third module bus bar configured to electrically connect one of the first battery modules and one of the second battery modules that are arranged adjacent to each other.
Resumen de: WO2024111226A1
Provided is a lithium-metal complex oxide that contains at least Li, Ni, and an alkaline earth metal element M1, and that satisfies conditions (1) and (2). (1) The Me seat occupancy rate at lithium sites having a layered rock salt-type crystal structure, said Me seat occupancy rate being determined by Rietveld analysis of diffraction peaks obtained by powder X-ray diffraction using CuKα rays, is 4.0% or less. (2) The particle strength of the lithium-metal complex oxide is greater than 100 MPa and less than 200 MPa.
Resumen de: US2025226467A1
A battery pack may be provided. The battery pack may include battery modules arranged along rows and columns, slave battery management systems (BMSs) respectively between adjacent ones of the battery modules in the rows of the battery modules, configured to detect status information of the adjacent ones of the battery modules, and at different respective heights, and a master BMS configured to receive status information of the battery modules through wireless optical communication with the slave BMSs.
Resumen de: KR20250106841A
본 발명은 공냉식 냉각 구조를 갖는 배터리 모듈에 관한 것으로, 냉각 공기의 균일한 유동을 위한 구조의 유로를 구성함으로써 모든 배터리 셀들의 균일한 냉각을 도모할 수 있는 배터리 모듈을 제공함에 목적이 있다.
Resumen de: KR20250106396A
본 발명의 일 실시예에 따른 전해액 함침 장치는 분리막을 매개로 서로 다른 전극이 차례로 적층된 전극 조립체, 전해액 및 파우치를 포함하는 배터리셀의 양쪽 하단부를 잡도록 마련된 한 쌍의 그리퍼, 각각의 그리퍼에 장착되고 지면에 대한 상기 각각의 그리퍼의 높이를 조정하도록 마련된 한 쌍의 작동부, 및 미리 설정된 틸팅 모드에 따라 상기 한 쌍의 그리퍼가 서로 다른 높이 위치하도록 상기 한 쌍의 작동부를 구동시키는 제어부를 포함하고, 상기 틸팅 모드시, 상기 전해액은 배터리셀의 틸팅 방향을 따라 상기 전극 조립체의 주변부에서 상기 분리막과 상기 전극 사이 사이로 진입하여 상기 전극 조립체의 중앙부를 통과하면서 상기 전극 조립체에 함침될 수 있다.
Resumen de: KR20250106718A
본 출원은 리튬 메탈을 음극으로 사용하는 전지 시스템에서, 음극 탭과 리드를 용접할 때 상기 탭이 리드의 범위를 이탈하여 퍼지는 문제를 방지함으로써, 실링 시 발생되는 문제나 전지 성능에 가해질 부정적인 영향을 최소화할 수 있는 리튬 메탈 전지용 음극 및 리튬 메탈 전지용 전극 조립체를 제공할 수 있다.
Resumen de: AU2023372557A1
Provided is a mixed polyhalide initial electrolyte for a static zinc halide battery. Also provided is a method for fabricating a static battery cell comprising the steps of: providing an initial electrolyte comprising one or more source for chloride ions and one or more source for bromide ions, wherein the one or more source for chloride ions and the one or more source for bromide ions are provided in a predetermined ratio selected to yield a target amount of mixed polyhalide upon charge of the initial electrolyte; and forming an electrochemical cell comprising an anode, a cathode and the initial electrolyte.
Resumen de: KR20250106413A
본 발명의 기술적 사상은 바닥 플레이트를 가진 팩 하우징; 및 상기 바닥 플레이트에 결합되고, 제1 방향으로 적층된 복수의 단위 셀 조립체를 포함하는 배터리 조립체;를 포함하고, 상기 복수의 단위 셀 조립체는 각각, 배터리 셀; 및 상기 배터리 셀의 제1 측면, 제2 측면 및 상면을 덮고, 유연성을 가진 단일 시트인, 내열 커버;를 포함하는, 배터리 팩을 제공한다.
Resumen de: KR20250106555A
본 발명의 일실시예는 종래 음극활물질의 낮은 용량, 낮은 전기전도도, 큰 부피팽창의 단점을 해결하여 전기전도도를 향상시키고 부피변화를 방지할 수 있는, 하기 화학식 1로 표시되는, 소듐이온 이차전지용 음극 활물질, 이의 제조방법 및 이를 포함하는 소듐이온 이차전지를 제공한다. 화학식 1 NaxMyF14 (상기 화학식 1에 있어서, x는 0≤x≤5이고, y는 0≤y≤3 이며, M은 Ti, Fe 및 Mn 중 어느 하나인 것이다).
Resumen de: KR20250106398A
본 발명은 국부적인 리튬 성장을 억제하는 고체전해질 및 전고체전지용 전극에 관한 것으로, 구체적으로는 전기적 절연소재를 첨가하여 개질된 고체전해질 및 전고체전지용 전극에 관한 것이다. 본 발명은 전자전도도가 감소되어 국부적인 리튬 수지상 성장을 억제할 수 있고, 이로 인해 장기간 동안 내부 단락 없이 구동이 가능할 수 있다. 또한, 본 발명은 고로딩을 사용하여도 성능 구현이 가능할 수 있다.
Resumen de: WO2025147119A1
According to some embodiments, a simulation system includes: an interface panel configured to receive a manipulation input from an operator; a main simulator configured to load training content for reproducing processes of manufacturing a cylindrical battery through electrode notching on the basis of the manipulation input and provide the training content to the operator through interaction with the operator; and a display configured to display a detailed image of the processes on the basis of the characteristics of the training content.
Resumen de: US2025216473A1
The present disclosure refers to a method for operating a battery pack, is provided. According to the method provided, a current intermediate characteristic value characterizing an aging state degree of the battery pack is determined based on a detected and/or obtained condition measurement signal. Afterwards, a comparison of the current intermediate characteristic value and a first predetermined value of the intermediate characteristic value is performed, wherein the first predetermined value includes a value of the intermediate characteristic value at which a predefined value of the aging state degree is undercut. Further, an operational limit for the battery pack is adjusted based on the comparison. Aspects provided further relate to a battery system including a battery pack, the battery system being configured for performing the disclosed method.
Resumen de: KR20250106691A
본 발명은 배터리팩을 충방전하는 배터리팩 수납공간; 상기 배터리팩 수납공간의 일측에 구비된 화재 감지기; 및 상기 배터리팩 수납공간에 공기를 흡기 또는 배기하는 복수의 팬(FAN)들을 포함하고, 상기 화재 감지기가 화재를 감지하면, 상기 복수의 팬 중 일부 또는 전부가 공기를 배기하도록 변환하는 화재감지형 충방전기 재연장치에 관한 것이다.
Resumen de: WO2024137066A2
The present disclosure provides an anode assembly for a battery cell. The anode assembly comprises a separator layer, an anode layer, a deposited layer, and an anode current collector. The anode layer is at least partially disposed on the separator layer and has a first surface facing the separator layer and a second surface facing away from the separator layer. The anode layer comprises a solid-state electrolyte (SSE) having pores. The deposited layer is at least partially disposed on the second surface of the anode layer. The deposited layer comprises at least one of a conductive material and a nucleation material. The anode current collector is coupled to the deposited layer. The present disclosure also provides methods of forming an anode assembly for a battery cell.
Resumen de: KR20250106528A
본 개시의 전극은 전극판; 상기 전극판의 적어도 일면 상에 형성되고, 천연 흑연을 포함하는 제1 층; 및 상기 제1 층의 일면 상에 형성되고, 천연 흑연을 포함하는 제2 층을 포함하고, 상기 제1 층의 총 중량 대비 상기 제1 층의 천연 흑연의 중량의 비는 상기 제2 층의 총 중량 대비 상기 제2 층의 천연 흑연의 중량의 비보다 작다.
Resumen de: KR20250106408A
본 발명의 기술적 사상은 지지 플레이트를 가진 팩 하우징; 및 상기 지지 플레이트에 결합된 배터리 조립체;를 포함하고, 상기 배터리 조립체는, 복수의 배터리 셀을 포함하는 셀 블록; 및 상기 셀 블록의 제1 측면, 제2 측면 및 상면을 덮고, 유연성을 가진 단일 시트인, 내열 커버;를 포함하는, 배터리 팩을 제공한다.
Resumen de: US2025216194A1
A method of manufacturing a cell test apparatus, the method comprising, determining by analyzing heat generated from a battery module including a plurality of cells, a thickness of a thermal-insulation layer of the cell test apparatus simulating the battery module and including one or more target cells therein, determining by analyzing a structure of the battery module, a thickness of an outer wall of the cell test apparatus; and determining a length of a spacer of the cell test apparatus.
Resumen de: AU2024384420A1
This energy storage system comprises: a battery; a first battery terminal and a second battery terminal connected to the battery; a first inverter terminal and a second inverter terminal connected to an inverter; a switch connected between the second battery terminal and the second inverter terminal; and a protection circuit which determines whether to open the switch on the basis of a difference between a first voltage sensed by the first inverter terminal and a second voltage sensed by the second inverter terminal, and the first voltage and the second voltage.
Resumen de: AU2023396230A1
A battery rack is disclosed. The battery rack according to an embodiment of the present invention may comprise: a plurality of vertically stacked battery modules, each having a coupling bar protruding frontward; and elastic bus bars made of metal material, each coupled to the coupling bars of two adjacent battery modules, from among the plurality of battery modules, to allow forward and backward movement.
Resumen de: US2025221638A1
An energy-saving analyte detection system includes an analyte detection device and an auxiliary installer for installing the analyte detection device on the skin surface of a user. The analyte detection device includes a transmitter and a sensor, wherein the transmitter comprises a battery, a wake-up module and a working module. The wake-up module includes a processor, a state switching component and a field effect transistor. Before installation, the state switching component is in an open circuit, the processor is powered on, but is in a deep dormant state, and the field effect transistor is enabled to be in an open circuit; the transmitter does not transmit a signal to the outside. After the analyte detection device is installed, the state switching component is in a closed circuit, the processor is converted into a working state, and the transmitter starts to transmit a signal to the outside.
Resumen de: US2025221508A1
A system and method for an intelligent hair drying/styling apparatus with user information transmission and storage capabilities is herein provided. The hair drying/styling apparatus houses a control circuit board and an infrared or temperature sensor (or camera) in order detect an individual's hair condition moisture level to determine a user specific, customizable dryer setting. The information detected by the sensor is stored locally, on a proximal Internet-enabled device, or on a remote or cloud-based server and accessed by the hair drying/styling apparatus through a wireless local area network connectivity function. This innovation will enable any number of hair professionals and or end consumers to improve styling and dry time. According to the present invention, energy usage is reduced to enable a more efficient design.
Resumen de: WO2025147702A1
The present invention provides a single-membrane pH-decoupling redox flow batteries (e.g., aqueous redox flow batteries) that employ electrolytes of differing pH to develop a cell with high round-trip energy efficiency at an open-circuit voltage greater than the voltage for water splitting. Further, the invention provides an acid-base regeneration system to restore the negolyte and posolyte pHs to their initial values to compensate for any long-term acid/base crossover.
Resumen de: WO2025147652A1
In an aspect of the present disclosure is a nonaqueous electrolyte formulation including one or more nonaqueous solvents, one or more lithium salts, a cathode additive; and one or more anode additives, where the formulation forms a solid electrolyte interface on a surface of a cathode, and mitigates a reaction between electrolyte and an active material, preventing active material degradation.
Resumen de: WO2025147674A1
In an aspect of the present disclosure is a non-flammable electrolyte formulation comprising one or more non-aqueous organic solvents, a cathode additive, one or more anode additives, and one or more lithium salts, a non-flammable material comprising phosphazene, where the formulation is self-extinguishing or does not combust when exposed to flame, and does not exhibit reduced electrochemical performance due to the non-flammable properties of the electrolyte.
Resumen de: WO2025147423A1
An electrode, including a first iron material and a second iron material. The first iron material is a first reduced iron and the second iron material is different from the first iron material. Also provided is an electrochemical cell comprising an electrode including a first iron material and a second iron material. Further provided is a method of making an electrode.
Resumen de: WO2025147216A1
The present invention relates to state of charge (SOC) optimization of reconfigurable battery network which comprises the reconfigurable battery structure represented by the reconfigurable energy enhanced architecture "REEA", the optimization algorithm and the battery management system "BMS" which comprises the battery balancing system, the battery charging system and the battery discharging system which includes the replacement process.
Resumen de: WO2025147184A1
The present invention relates to a pouch-type secondary battery, a pouch sealing device, and a sealing method using same and, more particularly, to: a pouch-type secondary battery in which a drawing process of a pouch can be excluded and durability can be improved; a pouch sealing device; and a sealing method using same. According to an embodiment of the present invention, provided is a pouch-type secondary battery comprising: an electrode assembly provided with an electrode lead on at least any one of one side surface and the other side surface; and a pouch in which a middle part of a pouch film is folded to cover the upper surface, the lower surface, and the rear surface of the electrode assembly so as to surround the electrode assembly, and including a sealing part formed by thermally fusing edge parts positioned at the front surface and both side surfaces of the electrode assembly, wherein the sealing part comprises a folding sealing part that is positioned on each of one side surface and the other side surface of the electrode assembly and thermally fused by folding a portion of the pouch film, and the folding sealing part comprises: a front folding sealing part formed close to the front surface of the electrode assembly; and a rear folding sealing part formed close to the other side surface of the electrode assembly.
Resumen de: WO2025147385A1
A system for multi-layer battery electrode fabrication is provided. The system includes a first spreader coating system including a chamber for dispensing first powder particles onto a substrate, a first spreading coating assembly to create a first uniform coating of the first powder particles, and a first calendering assembly to create a first compressed powder coating on the substrate. The system includes a second spreader coating system including a chamber for dispensing second powder particles onto the first compressed powder coating, a second spreading coating assembly to create a second uniform coating of the second powder particles, and a second calendering assembly to create a second compressed powder coating on the first compressed powder coating. The first and second compressed powder coatings define a multi-layer coating on the electrode.
Resumen de: AU2024212623A1
Welding plates and a welding system are provided. A welding plate comprises a first portion and a second portion. The first portion comprises a plurality of recesses. Each recess comprises an elastomer configured to compress under a force and a tip. A proximal end of the tip is in contact with the elastomer. The elastomer has a durometer rating less than a predetermined threshold. The second portion may be mounted to the first portion. The second portion has a plurality of first openings. Each first opening corresponds to a recess. A respective tip extends through a respective first opening. Each tip is slidably mounted within the welding plate. Each tip has a central opening forming a welding channel.
Resumen de: AU2024203806A1
CP0024-AU-0118 - 13 - A case is used for storing cells includes a housing and an upper cover. The housing is provided with an accommodation chamber, a maintenance opening is formed at a top of the housing, and the maintenance opening is in communication with the accommodation chamber. The accommodation chamber is used for accommodating the cells, and the maintenance opening is arranged corresponding to the cells. The upper cover is detachably arranged on the housing and is able to cover the maintenance opening. With the technical solution of the present application, it can solve the problem in the conventional technology that the liquid-cooling PACK and the cells are un-maintainable since the case cover and the case body are connected by potting and bonding. CP0024-AU-0118 A case is used for storing cells includes a housing and an upper cover. The housing is provided with an accommodation chamber, a maintenance opening is formed at a top of the housing, and the maintenance opening is in communication with the accommodation chamber. The accommodation chamber is used for accommodating the cells, and the maintenance opening is arranged corresponding to the cells. The upper cover is detachably arranged on the housing and is able to cover the maintenance opening. With the technical solution of the present application, it can solve the problem in the conventional technology that the liquid-cooling PACK and the cells are un-maintainable since the case cover and the case body are con
Resumen de: AU2024278351A1
A cooling plate, a method for producing a cooling plate, and a battery pack. The cooling plate is configured to be fitted on a surface of a battery cell perpendicular to a thickness direction of the battery cell for exchanging heat with the battery cell. The cooling plate includes a flow tube and a thermally conductive plate. The thermally conductive plate is directly molded on a surface of the flow tube by infusion, enabling the thermally conductive plate to wrap the flow tube. The flow tube is defined with a flow cavity. The flow cavity is configured for a heat exchange medium to pass through. The thermally conductive plate is configured to be fitted on the battery cell, enabling the heat exchange medium to receive heat transferred from the battery cell via the thermally conductive plate and the flow tube. A cooling plate, a method for producing a cooling plate, and a battery pack. The cooling plate is configured to be fitted on a surface of a battery cell perpendicular to a thickness direction of the battery cell for exchanging heat with the battery cell. The cooling plate includes a flow tube and a thermally conductive plate. The thermally conductive plate is directly molded on a surface of the flow tube by infusion, enabling the thermally conductive plate to wrap the flow tube. The flow tube is defined with a flow cavity. The flow cavity is configured for a heat exchange medium to pass through. The thermally conductive plate is configured to be fitted on the battery cell
Resumen de: AU2024278310A1
The present invention relates to the working principle and production methods for the pre- expansion of sulfur and/or other chalcogenides such as selenium or tellurium, and/or a mixture of any two or more. The present invention further relates an electrode/cathode comprising sulfur and/or a mixture of sulfur allotropes, for example, crystalline, glassy, amorphous, and/or polymeric (e.g., β-, γ-, and/or ω-phasic) sulfur and/or a mixture of any two or more sulfur allotropes, wherein the sulfur is photonically/electronically/thermally pre-expanded to a state where it has a density equivalent to a metal sulfide, such as Li2S. The expansion is carried out before electrode/cathode fabrication for the realization of alkali and/or alkali earth metal/ion batteries, such as LiS batteries. The resulting pre-expanded chalcogenides such as sulfur has an artificially generated internal cavities/porosity in addition to an open/external porosity, wherein the internal cavities limits and/or compensates the expansion of sulfur further or expansion partially/negligibly during chemical/electrochemical reactions, such as lithiation or sodiation, with mono, di, and trivalent metal ions. A thus fabricated electrode/cathode comprising pre-expanded sulfur and/or chalcogenides allows precise control over density and volume fluctuations and withstands the chemical and electrochemical reactions that occur during battery operation. Additionally, leads to improved performance, and longevity and offers
Resumen de: AU2024392546A1
The present application provides a spacer, a battery cell, and a vehicle. The spacer comprises a spacer body and a traction member; the spacer body comprises a first side wall, a second side wall, and a base; the base is separately connected to the first side wall and the second side wall to define a pressure relief recess; the traction member is formed in the pressure relief recess and is fixedly connected to the spacer body; and a traction force can be applied to the traction member so as to drive the spacer to move.
Resumen de: WO2025145776A1
The present application discloses a thermal management component, a battery, and an electric device. The thermal management component comprises a heat exchange tube and a first current collector; the heat exchange tube has a first end; a first flow channel used for accommodating a heat exchange medium is formed in the first current collector; the first flow channel has a first inner surface and a second inner surface which are oppositely arranged in a first direction; the first end is inserted into the first flow channel, and the first end is attached to at least one of the first inner surface and the second inner surface. Therefore, the size of the thermal management component in the first direction can be optimized, thereby reducing the space occupied by the thermal management component in the first direction, improving the energy density of a battery using the thermal management component.
Resumen de: WO2025145775A1
A battery cover plate assembly and a power battery. The battery cover plate assembly comprises a cover plate piece (1), a conductive piece (2) and a terminal (3). The cover plate piece (1) is provided with a first connecting hole (11); the conductive piece (2) is provided with a second connecting hole (21); the conductive piece (2) is mounted on the outer side of the cover plate piece (1), and the conductive piece (2) is configured such that a busbar (7) is welded thereto; a first end of the terminal (3) is folded outwards to form a first flange (31); a connecting wall (32) having a preset wall thickness is provided at a second end of the terminal (3), the inner side of the connecting wall (32) being configured to be welded to a current collector disc (8); a second flange (33) is provided on the outer edge of the connecting wall (32); after the second end of the terminal (3) successively passes through the first connecting hole (11) and the second connecting hole (21) from the inner side of the cover plate piece (1), the first flange (31) abuts against the inner wall of the cover plate piece (1); and the second flange (33) is folded outwards so as to be riveted to the side of the conductive piece (2) away from the cover plate piece (1).
Resumen de: WO2025145948A1
The present utility model relates to a battery module for a self-balancing vehicle. The battery module comprises a casing and a battery cell group mounted in the casing, wherein one end of the battery cell group is mounted on a first battery cell holder, and the other end thereof is mounted on a second battery cell holder, and an acquisition board is connected to the first battery cell holder, a charge and discharge connector cable is connected to the acquisition board, and the charge and discharge connector cable extends outwards through the casing; several integrally-formed positioning posts and snap-fit fasteners are provided on the side of the first battery cell holder that is close to the acquisition board, and downwardly-extending snap-fit posts and first mounting recesses for mounting the upper ends of the battery cell group are provided on the other side of the first battery cell holder; and insertion slots matching the snap-fit posts and second mounting recesses for mounting the lower ends of the battery cell groove are provided on the side of the second battery cell holder that is close to the battery cell group. By means of a rational configuration, the present utility model can effectively improve the space utilization rate and save the production cost, and has good structural stability, facilitates mounting and dismounting, and can meet the production and processing requirements.
Resumen de: WO2025145651A1
Provided in the present application are a high-voltage box (400), a battery (100) and an electrical device. The high-voltage box (400) comprises a box body (410) connected to a case body (10), an accommodation cavity (4101) being formed in the box body (410), and the box body (410) being provided with a through hole (411) communicated with the accommodation cavity (4101). The high-voltage box (400) provided in the embodiments of the present application enables an electrical connection structure (30) of the battery (100) to be inserted into the through hole (411) and to extend into the accommodation cavity (4101), such that the electrical connection structure (30) and an electrical component (420) in the box body (410) can be directly and electrically connected, which, compared with the manner of mating connection of a male terminal and a female terminal of a connector, can effectively reduce the probability of connection failure.
Resumen de: WO2025145801A1
An insulating film (100) for a battery, and the battery. The insulating film comprises a first sub-insulating film (10) and a second sub-insulating film (20) which are integrated and arranged in a first direction (X direction), wherein the first sub-insulating film (10) is provided with a first positioning hole (11), and the second sub-insulating film (20) is provided with a second positioning hole (21); and the first positioning hole (11) is a circular hole, the connecting line between the center point of the first positioning hole (11) and the center point of the second positioning hole (21) is a first extending straight line, and the extension direction of the second positioning hole (21) is the same as the extension direction of the first extending straight line.
Resumen de: WO2025145800A1
A battery cell assembly (100), a battery and a vehicle. The battery cell assembly (100) comprises: a battery cell body (10); and an insulating film (20), wherein the insulating film (20) comprises a substrate layer (21) and a bonding layer (22) which are stacked, the substrate layer (21) comprising a first sub-substrate layer (211) and second sub-substrate layers (212) which are integrated and arranged in a first direction (Y direction) of the battery cell assembly (100), the bonding layer (22) being arranged on the surface of the first sub-substrate layer (211), and the first sub-substrate layer (211) being adhered to the surface of the battery cell body (10) by means of the bonding layer (22).
Resumen de: WO2025145592A1
A bus-bar assembly (10) inside a battery (100), used for achieving electrical connection of a plurality of battery cells (20), wherein the plurality of battery cells (20) and the bus-bar assembly (10) are accommodated in a case (30). The bus-bar assembly further comprises a heat absorption component (2); heat generated by the plurality of battery cells (20) can be transferred by means of a bus-bar component (1); the heat absorption component (2) is connected to the bus-bar component (1) to absorb the heat on the bus-bar component (1), so as to reduce the heat transferred from one battery cell (20) to another battery cell (20), thereby improving the reliability of the battery (100).
Resumen de: WO2025145854A1
A battery cell cover plate assembly, a battery cell, a battery pack, and a vehicle. The battery cell cover plate assembly comprises a cover plate body (1), a fixing member (2), a first insulating member (3), and a first heat insulation member (4), wherein the first insulating member (3) is arranged between the cover plate body (1) and the fixing member (2), and the first heat insulation member (4) is arranged between the fixing member (2) and the first insulating member (3).
Resumen de: WO2025145852A1
Provided are a composite electrolyte of a lithium-ion battery, a lithium-ion battery, and preparation methods therefor. The preparation method for the composite electrolyte of a lithium-ion battery comprises: subjecting a PSBNR-co-PTNI polymer to a heat treatment in an inert gas, so as to obtain a primary host matrix; compounding the primary host matrix with a solid electrolyte, so as to obtain a complex, wherein the solid electrolyte comprises LixLa3Zr1.4Ta0.6O12 and LiyAl0.5Ge1.5P3O12, where x=0.6 to 8, and y=0.6 to 4; dispersing the complex in a solvent, so as to obtain a dispersion; preparing the dispersion into a solid electrolyte film by using an electrostatic spinning method or a tape casting film-forming method; and subjecting the solid electrolyte film to a heat treatment in an inert gas, so as to obtain a composite electrolyte of a lithium-ion battery.
Resumen de: WO2025145671A1
A separator and a preparation method therefor, a battery and an electrical apparatus. The separator comprises a base film and a first coating, the first coating being arranged on one side of the base film, the first coating comprising dielectric material particles, and the relative dielectric constant of the dielectric material particles being 1000-10000. The separator comprises the first coating comprising the dielectric material particles having the described relative dielectric constant, thus improving the cycle performance of batteries containing same during quick charging.
Resumen de: WO2025145842A1
A heat treatment device (100) and a battery processing apparatus. The heat treatment device (100) comprises: an oven (10), which is internally provided with a conveying channel (11); a first heating assembly (20), which is provided with an air supply port (21) in communication with the conveying channel (11); and a second heating assembly (30), which is used for projecting laser onto a surface of an electrode sheet (200) in the conveying channel (11), wherein in a preset direction, the first heating assembly (20) and the second heating assembly (30) are respectively located on two sides of the conveying channel (11), and the opening direction of the air supply port (21) is arranged opposite the projection direction of the second heating assembly (30). The first heating assembly (20) performs heat treatment on the electrode sheet (200) in an air supply manner, and the second heating assembly (30) performs heat treatment on the electrode sheet (200) in a laser manner, such that heating effects of two different manners can be combined, thereby improving the quality of heat treatment of the electrode sheet (200); moreover, the opening direction of the air supply port (21) is arranged opposite the projection direction of the second heating assembly (30), such that the first heating assembly (20) and the second heating assembly (30) can work together, thereby making the electrode sheet (200) heated more uniformly.
Resumen de: WO2025145783A1
A battery pack box body (100), a battery pack (1000), an electrical apparatus, and a method for manufacturing the battery pack box body (100), belonging to the technical field of batteries. The battery pack box body (100) comprises: a bottom plate (110); a side wall assembly (130), which surrounds and extends in the circumferential direction of the bottom plate (110) and is connected to the bottom plate (110); a moldable material assembly (120), at least part of the moldable material assembly (120) extending in the circumferential direction of the side wall assembly (130) so as to provide support on the inner side and the outer side of the side wall assembly (130); and a composite material member (140), the composite material member (140) extending in the circumferential direction of the side wall assembly (130) and forming on the inner side of the side wall assembly (130) a cavity (190) capable of accommodating battery cells (180) of the battery pack (1000).
Resumen de: WO2025145779A1
The present application applies to the technical field of batteries. Provided are a current collecting assembly and a preparation process therefor, a heat exchange apparatus, a battery and an electric device. The current collecting assembly comprises a current collector and a connector, wherein the current collector is a non-metal part, and the connector is a metal part; the current collector and the connector constitute an integrally formed component; and the current collector is connected to a heat exchanger by means of the connector. The present application aims to reduce the processing difficulty of a heat exchange device, and can appropriately reduce the cost.
Resumen de: WO2025145683A1
The present invention provides a lithium-ion battery, comprising a case, and a battery cell and an electrolyte which are provided in the case. The electrolyte comprises a carbon-carbon unsaturated bond containing nitrile additive with a mass percentage of 0.02%-2.5%; the battery cell comprises a positive electrode sheet and a negative electrode sheet; the positive electrode sheet comprises a positive electrode active material layer; the positive electrode active material layer comprises a positive electrode active particle containing a nitrile group on the surface; the mass ratio of nitrogen atoms in the nitrile group is X% within an area between an outer surface and a first selected surface of the positive electrode active particle, wherein 0.1≤X; the negative electrode sheet comprises a negative electrode active material layer; the negative electrode active material layer comprises a negative electrode active particle; and the mass ratio of nitrogen atoms is Y% within an area between an outer surface and a second selected surface of the negative electrode active particle, wherein 0
Resumen de: WO2025145631A1
The present application provides a battery cell, a battery, an electric device, and a battery state monitoring method. The battery cell comprises a battery body, a carrier communication unit, and a sensor assembly; the battery body is provided with a pole that extends from the interior of the battery body to the exterior of the battery body; the sensor assembly is electrically connected to the carrier communication unit, and the carrier communication unit is electrically connected to the pole; and the carrier communication unit is used for receiving monitoring parameters, generating a parameter packet by means of a link layer on the basis of the monitoring parameters, and converting the parameter packet into a first carrier signal by means of a physical layer, so as to load the first carrier signal on the pole and transmit the first carrier signal to a power supply bus. The present application can use the carrier communication unit to quickly and timely send a carrier signal with the monitoring parameters, thereby reducing the possibility of an accident caused by battery issues and improving the monitoring efficiency of the battery cell.
Resumen de: WO2025145657A1
A battery cell (102), a battery (100), and an electrical apparatus, belonging to the technical field of batteries. The battery cell (102) comprises: a first housing wall (11), electrode columns (2), and sealing insulation assemblies (3). The first housing wall (11) is provided with mounting holes (12). The electrode columns (2) comprise penetrating portions (21) arranged in the mounting holes (12) in a penetrating manner, and first abutting portions (22) and second abutting portions (23) connected to the penetrating portions (21) and abutting against two sides of the first housing wall (11). The first abutting portions (22) abut against the first housing wall (11) by means of riveting. The sealing insulation assemblies (3) are insulated and fitted between the electrode columns (2) and the first housing wall (11), and comprise first insulating pieces (31) at least partially arranged between the first abutting portions (22) and the first housing wall (11), and second insulating pieces (32) at least partially arranged between the second abutting portions (23) and the first housing wall (11). The elastic modulus of the first insulating pieces (31) is less than or equal to the elastic modulus of the second insulating pieces (32).
Resumen de: WO2025145722A1
A composite positive electrode material, a preparation method therefor, a positive electrode sheet, a secondary battery, and an electric device are provided. The preparation method comprises: according to a preset proportion, mixing a lithium source, a phosphorus source, an iron source, a carbon source and a carbon graphitization catalyst with a solvent to form a mixed slurry; grinding and drying the mixed slurry to obtain a mixed dry substance; and sintering the mixed dry substance to obtain a composite positive electrode material, wherein the sintering temperature is 750 ̊C-840 ̊C.
Resumen de: WO2025145714A1
Provided is a solid-state electrolyte particle, comprising a compound represented by the following general formula: Lia(Mb)XcX'd, wherein M is a metal element, X is selected as Cl, X' comprises one or more of F ion, I ion, Br ion, N ion, P ion, S ion, CN-, oxygen-containing anion, and pseudohalide anion, 0.5
Resumen de: WO2025145762A1
Disclosed in the present application are a battery cell and a battery pack. The battery cell comprises a jelly roll, wherein the jelly roll comprises a wound body and a tab bundle, the tab bundle comprising a converging portion and a dispersing portion arranged between the converging portion and the wound body; and the minimum distance between the end of the converging portion that is close to the dispersing portion and a side of the jelly roll in a first direction is d mm, and the average dimension of the wound body in the first direction is D, meeting 0
Resumen de: WO2025145712A1
Disclosed in the present application are a positive electrode active material and a preparation method therefor, and a positive electrode sheet, a battery cell, a battery and an electric device comprising same. The preparation method for the positive electrode active material comprises the following steps: providing a lithium-containing phosphate active material or a precursor of a lithium-containing phosphate active material; providing an oxygen-free organic carbon source, wherein the oxygen-free organic carbon source comprises one or more of an oxygen-free polymer and an oxygen-free organic small molecule compound; and uniformly mixing the lithium-containing phosphate active material or the precursor of a lithium-containing phosphate active material with the oxygen-free organic carbon source to obtain a mixture, and then performing a sintering treatment in a protective gas atmosphere, so as to obtain a positive electrode active material. The present application makes the battery have good cycling performance and storage performance.
Resumen de: WO2025145855A1
A battery module, a battery with same, and an electric device. The battery module (100) comprises: a plurality of battery cells (10), wherein the plurality of battery cells (10) are at least partially arranged in sequence in a first direction, in two adjacent battery cells (10) in the first direction, side walls of the two battery cells (10) that are arranged facing each other are both first casing walls (11), and a first recess (111) is formed in at least one of the two first casing walls (11); and thermal insulation pads (20), one of which is at least partially arranged in the first recess (111).
Resumen de: WO2025145777A1
The present application provides a heat exchange assembly, a case body, a battery and an electrical apparatus. The heat exchange assembly comprises a heat exchange piece, a current collecting piece and a sleeve; the heat exchange piece is provided with a flow channel extending in a first direction, the current collecting piece being arranged at the two ends of the heat exchange piece in the first direction; the current collecting piece is provided with fluid inlets/outlets, the fluid inlets/outlets leading to the flow channel; the sleeve is mutually sleeved on at least one of the heat exchange piece and the current collecting piece, and is connected to the heat exchange piece and the current collecting piece. The heat exchange assembly provided by the present application helps to improve the connection strength of the current collecting piece and the heat exchange piece and the overall structural strength of the heat exchange assembly, thereby helping to improve the reliability of batteries.
Resumen de: WO2025145878A1
The application discloses a negative pole piece and a preparation method therefor, a battery, and an electrical apparatus. The negative pole piece comprises: a negative electrode current collector and a negative electrode active material layer. The negative electrode active material layer is arranged on at least one side of the negative electrode current collector. The negative electrode active material layer comprises dielectric material particles, and the volume average particle size Dv50 of the dielectric material particles is D 1 , wherein D 1 is 400 nm -2000 nm. On the basis of the total mass of the negative electrode active material layer, the proportion of the dielectric material particles is 0.1% -10%. Therefore, the negative pole piece in the present application uses the dielectric material particles having the described particle size and content, such that the quick charging performance of the battery can be improved.
Resumen de: WO2025145748A1
The present application relates to the technical field of batteries, and provides a winding device and a winding method. The winding device comprises a feeding mechanism and a winding needle. The feeding mechanism is used for conveying an electrode sheet and a separator, and the winding needle is used for winding the electrode sheet and the separator which are conveyed by the feeding mechanism to form an electrode assembly, wherein the relationship between the diameter r of the winding needle and the diameter R of the electrode assembly formed by winding satisfies: (R/r)>10.
Resumen de: WO2025145866A1
The present application provides an energy equalization system and an energy storage system. The energy equalization system is arranged outside an energy storage device, and the energy balance system comprises at least two equalization circuits. In the same time period, a first equalization circuit is used for discharging a first energy storage unit, and a second equalization circuit is used for charging a second energy storage unit, thereby achieving energy equalization of the energy storage units in the energy storage device. Switching circuits arranged in the energy equalization system can realize the sharing of the equalization circuits between the energy storage units, thereby improving the utilization rate of the equalization circuits, and reducing energy equalization costs. Moreover, in the energy equalization system, equalization modules arranged in the energy storage units are replaced with the equalization circuits having large power, so that the energy equalization costs are reduced, the equalization power is increased, and the equalization time is shortened.
Resumen de: WO2025145618A1
Provided in the present application are a battery welding apparatus and a battery welding method. The battery welding apparatus comprises a conveying line, a battery cell feeding device, a connecting piece feeding device and a welding device. The conveying line comprises a plurality of carriers arranged in a conveying direction thereof. The battery cell feeding device comprises at least two battery cell feeding mechanisms, the at least two battery cell feeding mechanisms being respectively used for feeding at least two battery cell groups into at least two target carriers of the conveying line, and each battery cell group comprising at least two battery cells. The connecting piece feeding device is used for feeding connecting pieces into the at least two target carriers. The welding device is arranged beside the conveying line. The conveying line is movably arranged to successively convey the at least two target carriers to the welding device for welding. The welding device is used for welding the connecting piece and the at least two battery cells in each target carrier. The battery welding apparatus of the present application improves the welding efficiency.
Resumen de: WO2025145851A1
A composite negative electrode sheet, a preparation method therefor and a lithium ion battery. The composite negative electrode sheet uses a double-layer coating design. A first active substance layer and a second active substance layer are successively provided on the surface of a negative electrode current collector, the active substance of the first active substance layer being first graphite, and the active substance of the second active substance layer being second graphite. The height-width ratio and OI value of the first graphite and the height-width ratio and OI value of the second graphite satisfy the following relationship: 2≤(B×OIa)/(A×OIb)≤30, where A is the height-width ratio of the first graphite and is 0.1 to 0.65, OIa is the OI value of the first graphite and is 8 to 20, B is the height-width ratio of the second graphite and is 0.8 to 0.99, and OIb is the OI value of the second graphite and is 2 to 10.
Resumen de: WO2025147152A1
According to an embodiment of the present invention, the battery management apparatus comprises: a profile acquisition unit configured to acquire a battery profile indicating the correspondence between the voltage and capacity of a battery; a profile determination unit configured to determine a positive electrode profile and a negative electrode profile of the battery by adjusting a preconfigured reference positive electrode profile and a preconfigured reference negative electrode profile to correspond to the battery profile; and a control unit configured to calculate a lithium loss rate of the battery on the basis of the positive electrode profile of the battery, calculate a negative electrode side reaction rate of the battery on the basis of the battery profile, and calculate a positive electrode side reaction rate of the battery on the basis of the lithium loss rate and the negative electrode side reaction rate.
Resumen de: WO2025146872A1
The present invention relates to a solid electrolyte, and a solid electrolyte membrane and an all-solid-state rechargeable battery which comprise same, the solid electrolyte comprising argyrodite-type sulfide-based solid electrolyte particles and a lithium salt located on the surfaces of the particles, wherein the lithium salt has F and P-O functional groups.
Resumen de: WO2025147150A1
The present application may provide an anode for a lithium metal battery and an electrode assembly for a lithium metal battery, in which, in a battery system using lithium metal as the anode, the anode includes a main body portion and an anode tab extending from one side edge of the main body portion, connected to a metal lead, and including lithium metal, wherein the anode tab is configured such that the width (W1) of the end portion thereof and the width (W2) of a connection portion connecting the end portion and the main body portion are different, thereby preventing the problem of the tab deviating from the range of the lead and spreading when the anode tab and the lead are welded, thus enabling problems occurring during sealing and adverse effects on battery performance to be minimized.
Resumen de: WO2025147119A1
According to some embodiments, a simulation system includes: an interface panel configured to receive a manipulation input from an operator; a main simulator configured to load training content for reproducing processes of manufacturing a cylindrical battery through electrode notching on the basis of the manipulation input and provide the training content to the operator through interaction with the operator; and a display configured to display a detailed image of the processes on the basis of the characteristics of the training content.
Resumen de: WO2025147113A1
According to exemplary embodiments, a secondary battery manufacturing equipment is provided. The equipment comprises: an unwinder configured to unwind an electrode sheet from a first electrode roll; a rewinder configured to wind the electrode sheet onto a second electrode roll; a first die coater configured to form a first coating layer of the electrode sheet; a second die coater configured to form a second coating layer of the electrode sheet; and laser beam irradiators configured to partially etch the second coating layer.
Resumen de: WO2025146801A1
The present disclosure provides: an active material for a manganese oxide-zinc secondary battery, with which it is possible to achieve a manganese oxide-zinc secondary battery that is improved in terms of both the cycle characteristics and the utilization rate of an electrode active material in comparison to conventional active materials for a zinc secondary battery; and a method for producing the active material for a manganese oxide-zinc secondary battery. An electrode active material for a secondary battery according to the present disclosure is characterized by including a manganese oxide and a conductive assistant, and is also characterized in that the conductive assistant is present in at least a part of the manganese oxide surface, and the manganese/carbon area ratio of the conductive assistant is not less than 0.30 but less than 1.0.
Resumen de: WO2025147124A1
According to the present invention, a composite polymer electrolyte having excellent ionic conductivity as well as mechanical strength, and a method for manufacturing same can be provided. In addition, according to the present invention, the composite polymer electrolyte is particularly applied to an all-solid-state battery using lithium metal or a lithium alloy as a negative electrode, thereby suppressing the generation of lithium dendrites and improving lifespan characteristics.
Resumen de: WO2025147100A1
An apparatus for managing a battery according to one embodiment of the present invention comprises: a profile acquisition unit configured to acquire a differential profile indicating a correspondence relationship between a voltage and a differential capacity of the battery; and a control unit configured to determine a first point which is, in a preset target voltage section, a starting point of the target voltage section, a second point having the highest differential capacity, and a third point having the lowest differential capacity in a voltage section equal to or greater than the voltage of the second point, and diagnose the state of the battery according to the differential capacities of the first point, the second point, and the third point.
Resumen de: WO2025147093A1
The present invention relates to a cylindrical secondary battery manufacturing device and manufacturing method, and, to a cylindrical secondary battery manufacturing device and manufacturing method, which enable line balancing to be effectively performed in a cyclic manufacturing line. According to one embodiment of the present invention, the cylindrical secondary battery manufacturing device and manufacturing method can be provided, the device comprising: a plurality of sensors provided along a buffer line in order to calculate, by step, the loading level of carriers in the buffer line provided between preceding equipment and subsequent equipment; and a controller, which adjusts the process speed of the preceding equipment and the subsequent equipment on the basis of the stepwise loading level calculated through a combination of outputs of the plurality of sensors, so as to control to follow the entire target process speed by balancing the process speed of the preceding equipment and the subsequent equipment.
Resumen de: WO2025147095A1
The present invention relates to a cylindrical secondary battery manufacturing apparatus and manufacturing method, and to a cylindrical secondary battery manufacturing apparatus in which line balancing may be effectively performed in a circulation manufacturing line. According to an embodiment of the present invention, a cylindrical secondary battery manufacturing apparatus and manufacturing method may be provided which enable automatic determination of the appropriate number of carriers circulating in the circulation manufacturing line through a master carrier, which is distinguished from a general carrier, and a sensor that senses the master carrier.
Resumen de: WO2025147055A1
The present invention relates to a structure of a battery module and a method for manufacturing same, the structure comprising: a cell stack in which a plurality of batteries each having a pair of electrode leads protruding upward are stacked in the width direction; a frame that is open on top and accommodates the cell stack; and an insulating resin filling at least a portion of an empty space between the cell stack and the frame.
Resumen de: WO2025147019A1
The present invention relates to a rechargeable battery that can be charged and discharged and a method for manufacturing the rechargeable battery that can be charged and discharged. A rechargeable battery according to one embodiment of the present invention may comprise: a plurality of electrode assemblies each having an electrode tab bundle; an intermediate electrode interposed between the plurality of electrode assemblies; and a case for accommodating the plurality of electrode assemblies and the intermediate electrode.
Resumen de: WO2025147017A1
The technical concept of the present invention is to provide a battery pack comprising: a pack housing including a first support structure; and a battery assembly accommodated in the pack housing, wherein the battery assembly includes: a cell block including a plurality of battery cells stacked in a first direction; a frame including a first side cover and a second side cover spaced apart from each other in the first direction with the cell block therebetween; and a top cover that includes a central part, which is coupled to the frame so as to cover the cell block, and a first outer part, which protrudes from the first side cover to the outside, the first outer part being fastened to the first support structure. A first buffer space extending in the first direction is provided between the first side cover and the first outer part of the top cover.
Resumen de: WO2025146972A1
The present invention relates to a battery fire extinguishing device using battery temperature sensing, the battery fire extinguishing device using battery temperature sensing comprising a battery control unit (10), a vacuum pump device (20), battery cells (51, 52, 53...61, 62, 63....71, 72, 73...), and a gas supply device (30), wherein: the battery control unit (10) is operated by receiving power from the outside or from a battery power supply unit and comprises a vacuum pump device control unit, a gas supply device control unit, a battery cell temperature sensing unit, and a battery cell pressure sensing unit; the battery cells (51, 52, 53,...61, 62, 63,...71, 72, 73...) each have a solenoid valve (51-1, 52-1, 53-1, 61-1, 62-1, 63-1, 71-1, 72-1, 73-1) connected to one side thereof; the solenoid valves are electrically connected to the vacuum pump device (20); the battery cells (51, 52, 53,...61, 62, 63,...71, 72, 73...) each have a check valve (51-2, 52-2, 53-2, 61-2, 62-2, 63-2, 71-2, 72-2, 73-2) connected to the other side thereof; and the check valves are electrically connected to the gas supply device (20).
Resumen de: WO2025146975A1
The present invention relates to a battery pack including: a plurality of battery cells; and a pack case configured to accommodate the plurality of battery cells and having, in an inner space thereof, a venting flow path configured to allow a venting gas discharged from the battery cells to flow therethrough, and a cooling flow path provided on at least one side of the venting flow path and configured to allow a cooling medium to flow therethrough.
Resumen de: WO2025147008A1
The present invention provides a battery module structure and a manufacturing method therefor, the structure comprising: a plurality of battery cells, each having a pair of electrode leads that protrude upward and being arranged in the width direction; a frame having an open upper side thereof and accommodating the plurality of battery cells; and an insulating resin filling at least a portion of the empty space between the plurality of battery cells and the frame.
Resumen de: WO2025146987A1
The present invention relates to a jig for pressurizing a pouch-type secondary battery, and a method for inspecting a pouch-type secondary battery using same, wherein the jig for pressurizing a pouch-type secondary battery comprises: a first pressurizing unit including a first pressurizing plate provided such that a second side of a pouch-type secondary battery is settled; a second pressurizing unit provided so as to pressurize a first side of the pouch-type secondary battery, the second pressurizing unit including a second pressurizing plate provided with air holes formed such that a fifth side and a sixth side are in communication with each other; and an air injection unit provided so as to inject air onto the first side of the pouch-type secondary battery through the air holes.
Resumen de: WO2025146988A1
The present invention relates to a fire-detecting smoke control apparatus for a charger/discharger, the apparatus comprising: a battery pack receiving space in which a battery pack is charged/discharged; a fire detector which is provided on one side of the battery pack receiving space; and a plurality of fans which draw or expel air into or from the battery pack receiving space, wherein when the fire detector detects a fire, some or all of the fans are switched to expelling air.
Resumen de: WO2025146977A1
The present invention relates to a battery pack comprising: a plurality of battery cells; and a pack case including a body frame, which is configured to accommodate the plurality of battery cells and has an open end formed on at least one side thereof, and a cover frame, which is provided at the open end of the body frame so as to be located on the side from which venting gas is discharged from the plurality of battery cells and has a cooling flow path formed in an inner space and configured so that a cooling medium flows.
Resumen de: WO2025146588A2
A system, method, and apparatus for disassembling a pouch cell of a battery is provided that allows for the pouch cell to be loaded onto a disassembly apparatus, the pouch cell to be cut, the cell to be torn down, the plates to be imaged and observed for defects, and the disassembled materials separated for recycling. Because the disassembly can be carried out within the apparatus and performed automatically, the efficiency of the disassembly is increased and the health and safety risks for operators are reduced. For example, hazardous gases or other toxic materials are isolated from the operators, who can remain outside the apparatus. In addition, images of disassembled plates are taken, recorded, and stored, which reduces inconsistencies and operator error. The information recorded for each disassembled cell may also be sent to or made accessible to other areas of an organization or other entities.
Resumen de: WO2025146566A1
There is provided a battery cell dismantling system comprising: a battery carrier, configured to house a battery; a transportation means configured to carry the battery carrier through the system in a first direction; a first cutting station comprising first and second cutting tools, the first cutting tool being located on a first side of the transportation means and the second cutting tool being located on a second side of the transportation means, each of the first and second cutting tools being configured to apply a cutting force in a second direction that opposes the first direction; and an extraction station comprising: a pressing means that is moveable in a third direction on the first side of the transportation means and configured to apply a pressing force to a first side of the battery cell, wherein the third direction is perpendicular to the first direction; and an extraction means located on a second side of the transportation means and being configured to extract material from a second side of the battery cell.
Resumen de: WO2025146095A1
The present application relates to the technical field of batteries, and discloses a battery cell, a battery and an electric device. The battery cell comprises an electrode assembly and a heat shrink film. The electrode assembly comprises a main body and tabs. The main body has two end surfaces arranged opposite to each other in a first direction and a circumferential surface connecting the two end surfaces, and the tabs are arranged on one of the end surfaces. The heat shrink film covers the circumferential surface in a circumferential direction of the main body, the heat shrink film has a head end and a tail end in the circumferential direction, and the head end and the tail end are connected. By providing the heat shrink film, the manufacturing efficiency of the battery cell can be improved to a certain extent, so that the manufacturing efficiency of the battery is improved.
Resumen de: WO2025146168A1
A negative electrode sheet (10) and a preparation method therefor, a battery, and an electric device. The negative electrode sheet (10) comprises a negative electrode current collector (100) and a negative electrode active material layer (200); the negative electrode active material layer (200) is provided on at least one side of the negative electrode current collector (100), the negative electrode active material layer (200) comprises a thinned region (21), and the thinned region (21) comprises first dielectric material particles; the average particle size by volume Dv50 of the first dielectric material particles is D1, D1 being 400 nm-2000 nm; and with respect to the total mass of the thinned region (21), the proportion of the first dielectric material particles is W1, W1 being 0.5%-10%.
Resumen de: WO2025145960A1
The present invention belongs to the technical field of batteries. Disclosed are a composite material and a preparation method therefor, a positive electrode sheet, a secondary battery and an electric device. The composite material comprises a lithium-containing compound, a catalyst and a conductive agent, wherein the lithium-containing compound comprises lithium, carbon and oxygen; and the catalyst comprises one or more of an oxide of a transition metal, a carbide of a transition metal, a nitride of a transition metal or a phosphide of a transition metal. The total pore volume V of the composite material satisfies: 0.02 cm3/g≤V≤1 cm3/g; and the average pore diameter D of the composite material satisfies: 2 nm≤D≤50 nm. The composite material can improve the capacity of a battery.
Resumen de: WO2025145926A1
The present application provides an electrochemical apparatus and an electronic apparatus. The electrochemical apparatus comprises an electrolyte, a separator, a positive electrode sheet and a negative electrode sheet; the electrolyte comprises a compound represented by formula (I); based on the mass of the electrolyte, the mass percentage content of the compound represented by formula (I) is A%, where 30≤A≤80; the separator comprises a porous substrate and a porous coating arranged on at least one side of the porous substrate, the porosity of the separator being 25%-35%. The present application regulates and controls the structure of the separator and components of the electrolyte and combines same, such that the OCPD cycle performance of the electrochemical apparatus is improved by means of the synergy of the separator and the electrolyte.
Resumen de: WO2025145761A1
The present application relates to a formation method for a metal battery, a metal battery and an electrical apparatus. The formation method comprises: successively charging a battery cell n times, n≥2, the charging being in a negative pressure environment, and as the number of charging times increases, used charging rates increasing progressively and the temperatures of temperature conditions for the charging decreasing progressively. Using the formation method can remarkably reduce gas produced by metal batteries in storage and usage processes so as to ameliorate the bulging problem of battery cell pouches, and moreover have certain improvement effects on the cycle performance of the batteries.
Resumen de: WO2025145796A1
The present invention provides a laminated battery cell, and a preparation method and preparation system for the laminated battery cell. The laminated battery cell comprises: a composite unit; and at least two single negative electrode sheets, the at least two single negative electrode sheets being spaced apart from each other in the thickness direction of the laminated battery cell, and one composite unit is provided between every two single negative electrode sheets, thereby forming a laminated cell structure. The composite unit comprises a negative electrode sheet, a first positive electrode sheet, a second positive electrode sheet, and a plurality of separator sections; in the thickness direction, the first positive electrode sheet and the second positive electrode sheet are respectively provided on two opposite sides of the negative electrode sheet; the plurality of separator sections are sequentially provided at intervals in the thickness direction; and the first positive electrode sheet or the second positive electrode sheet or the negative electrode sheet is provided between two adjacent separator sections. The technical solution of the present invention solves the problem in the prior art of low preparation efficiency or material utilization rate of a laminated battery cell.
Resumen de: WO2025145956A1
The present application relates to a battery management assembly, a battery pack, and a vehicle. The battery management assembly comprises a plurality of second circuit modules and a plurality of first circuit modules. The battery management assembly comprises: a first substrate, wherein the first substrate is provided with a plurality of first mounting positions for mounting the first circuit modules, at least two of the plurality of first mounting positions are connected to each other, and the plurality of first circuit modules are mounted on the plurality of first mounting positions; and a second substrate, wherein the second substrate is provided with a plurality of second mounting positions for mounting the second circuit modules, the plurality of second circuit modules are mounted on the plurality of second mounting positions, and the first substrate and the second substrate are electrically connected. By means of the technical solution of the present application, the electrical connection reliability is greatly improved, automatic production can be implemented, and production costs are greatly reduced.
Resumen de: WO2025145789A1
Provided in the embodiments of the present application are a battery and a control apparatus that allow an electrical device to be used normally when any battery module in the battery has an anomaly or is about to have an anomaly. The battery comprises a plurality of battery modules; and an on-off assembly which comprises a first on-off assembly, the first on-off assembly being connected to a first battery module among the plurality of battery modules. When a battery state parameter of the first battery module reaches a threshold value, the first on-off assembly is configured to cut off the connection to the first battery module and make a connection to the other battery modules among the plurality of battery modules.
Resumen de: US2025226557A1
A cylindrical battery cell comprising a jelly roll assembly comprising an anode sheet, a cathode sheet, a rubbing region formed at an uncoated region at the end of one of the anode sheet and the cathode sheet. The cylindrical battery cell further includes one or more separator sheets that separate the anode from the cathode and a header, a weld plate that provides an electrical connection between the jelly roll assembly and the header, and an outer housing and an insulator that separates the jelly roll assembly from the outer housing. The insulator includes a neck portion, an angular portion, a skirt portion, and a tapered portion. The neck portion is positioned between the outer housing and an extension portion of the weld plate. The angular portion is positioned between the neck portion and the skirt portion and positioned between the rubbing region and the outer housing.
Resumen de: US2025226546A1
A battery cell, a battery, and an electrical device are disclosed. The battery cell includes an electrode assembly, a shell, an electrode terminal, and a current collecting member. The electrode assembly has a tab. The shell accommodates the electrode assembly. The electrode terminal is disposed at one end of the shell in a first direction. The current collecting member is provided with a hollow region, and the hollow region divides the current collecting member into a first connection region and a second connection region located on two sides of the hollow region. The first connection region is connected to the tab, and the second connection region is connected to the electrode terminal. When the electrode terminal is subjected to stress, the hollow region enables the second connection region to deform relative to the first connection region, so the stress is not easily transmitted to the first connection region.
Resumen de: US2025226513A1
A method for assembling a plurality of cells into a battery module employs a controller having a processor and tangible, non-transitory memory. The method includes positioning the plurality of cells in a testing apparatus for pre-assembly testing. The testing apparatus is adapted to house a selected group of the plurality of cells at a time. The method includes performing a pulse power test on the selected group, via the testing apparatus. The method includes receiving respective voltage trace data based in part on the pulse power test. A respective internal resistance parameter of the plurality of cells is tracked based in part on the respective voltage trace data, via the controller. The method includes arranging the plurality of cells into sorted groups based in part on the respective internal resistance parameter and assembling the sorted groups in a predefined pattern into the battery module.
Resumen de: US2025226547A1
A secondary battery is provided and includes a battery device, an external terminal, and a lead. The battery device includes a first electrode and a second electrode that are stacked with a separator interposed between the first electrode and the second electrode, and are wound around a winding axis extending in a first direction. The lead includes two opposed edges, and couples the first electrode and the external coupling terminal to each other. The first electrode includes a first electrode current collector and a first electrode active material layer. The first electrode current collector includes a first edge. The first electrode active material layer covers a portion of the first electrode current collector. The lead is joined to the first electrode current collector in a state where the two opposed edges are inclined relative to the first edge.
Resumen de: US2025226459A1
A solid-state battery having an exterior portion. The exterior portion includes an oxide ceramic containing: Li (lithium); Mg (magnesium); and one or more elements (M) selected from Group 4 and Group 5 elements.
Resumen de: US2025226455A1
A cylindrical battery includes a case assembly, a polar pillar is provided under a case of the case assembly; a second current collector, a jelly roll, a first current collector, and a cover plate are provided sequentially in the case from bottom to top; tabs at two ends of the jelly roll are fixedly connected to the first current collector and the second current collector, respectively; the second current collector and the case are insulated by an insulating element; a protrusion is formed in a circumferential direction of the insulating element; a height of the protrusion is identical to a height of the polar pillar; the cover plate is fixedly provided on the first current collector; the cover plate and the case are sealed by a sealing ring; when a liquid injection hole is formed in the cover plate or in the polar pillar.
Resumen de: US2025226488A1
A battery, a battery pack, and an electronic device where the battery includes a battery cell, a housing, and a protection plate; the battery cell is arranged in the housing; the housing includes a first side wall, a first groove is provided on the first side wall and at least part of the protection plate is arranged in the first groove; the first side wall is further provided with an electrode terminal, the electrode terminal includes a first electrode terminal and a second electrode terminal, and the first electrode terminal and the second electrode terminal are electrically connected to positive and negative electrodes of the battery cell, respectively. According to the battery, the battery pack, and the electronic device, the overall size of the battery is reduced, and the space is saved.
Resumen de: US2025226444A1
A lithium-ion battery includes a positive electrode and an electrolyte. A positive electrode active material included in the positive electrode includes a doping element. The doping element includes at least one selected from W, Cu, Fe, V, Cr, Ti, Zr, Zn, Al, In, Ta, Y, La, Sr, Ga, Sc, Gd, Sm, Ca, Ce, Nb, Mg, B, and Mo, and a percentage of the doping element satisfies 0.01%≤W1%≤0.5%. The electrolyte includes an oligomer according to formula (I), and a percentage of the oligomer satisfies 0.1%≤W2≤10% s.
Resumen de: US2025226526A1
A battery assembly of the present disclosure includes: a plurality of battery cells, which each include a main body portion storing and supplying electric energy and a tab portion protruding outwardly from the main body portion and electrically connecting the main body portion and the outside and are stacked along one direction; an accommodating housing accommodating the plurality of battery cells therein; a busbar assembly positioned inside the accommodating housing and including a through-hole formed on one surface thereof, wherein the tab portion is inserted into the through-hole to electrically connect at least a part of the plurality of battery cells to each other; and a pillar-shaped flame retardant portion positioned in an insertion space formed between the main body portion and the busbar assembly by tab portions of two adjacent battery cells among the plurality of battery cells.
Resumen de: US2025226480A1
Provided in the present invention is a real-time temperature measurement method for a traction battery pack. The temperature measurement and thermal field analysis of a traction battery pack are realized. A temperature field of a traction battery pack is simulated and emulated by using current and voltage information of the traction battery pack and thermodynamic parameters of a material, and the temperature field is corrected by using discrete actually-measured temperature data and by means of a deep neural network and a Kalman filter, such that an established temperature field model can more truly reflect the actual temperature field distribution of the battery pack.
Resumen de: DE102023213289A1
Die Erfindung betrifft ein computer-implementiertes Verfahren zum Betreiben einer Gerätebatterie (41) eines technischen Geräts (4) insbesondere an einer Ladestation (3) mit einem elektrischen Energieversorgungsnetz (2) mit variierenden Energieverfügbarkeiten, mit folgenden Schritten:- Ermitteln (S4) eines prädizierten zeitlichen Verlaufs einer Energieverfügbarkeit in dem Energieversorgungsnetz (2) mithilfe eines Energieprädiktionsmodells;- Bereitstellen (S6) von Lade- und Entladeprofilen für die Gerätebatterie (41);- Bereitstellen eines Alterungszustandsmodells, das ausgebildet ist, um basierend auf zeitlichen Verläufen von Betriebsgrößen der Gerätebatterie (41) eine Alterungszustandsänderung zu ermitteln;- Bereitstellen einer Angabe eines Ziel-Ladezustands und eines Optimierungszeitraums, nach dem der Ziel-Ladezustand erreicht sein soll;- Durchführen eines Optimierungsverfahrens basierend auf einer Kostenfunktion, die von der prädizierten Energieverfügbarkeit im Energieversorgungsnetz während der Optimierungszeitdauer, der Energieaufnahme und Energieabgabe der Gerätebatterie (41) während der Optimierungszeitdauer und einer Alterungszustandsänderung zum Ende der Optimierungszeitdauer abhängt, und der Angabe des Ziel-Ladezustands, um ein Nutzungsprofil zu erhalten, das eine zeitliche Abfolge von Zeitabschnitten der Nutzung von Ladeprofilen und/oder Entladeprofilen angibt;- Bereitstellen (S7) des Nutzungsprofils zum Betrieb der Gerätebatterie (41) als Puff
Resumen de: DE102024100426A1
Die vorliegende Offenbarung betrifft ein System (100) zum Betreiben eines Hybrid- oder Elektrofahrzeugs (1), umfassend ein Konditionierungsmodul (110), das eingerichtet ist, um einen Antriebsenergiespeicher (12) des Hybrid- oder Elektrofahrzeugs (10) vor einem Ladevorgang thermisch vorzukonditionieren; und ein Steuermodul (120), das eingerichtet ist, um:- wenigstens eine Zeit- und/oder Ortseigenschaft, die mit einer Außentemperatur in Beziehung steht, zu bestimmen;- basierend auf wenigstens einem Ladekriterium zu bestimmen, ob potenziell ein Schnellladevorgang des Antriebsenergiespeichers (12) bevorsteht;- über eine Benutzerschnittstelle (20) einen Nutzerhinweis (NH) an einen Nutzer des Hybrid- oder Elektrofahrzeugs (10) in Bezug auf eine Vorkonditionierung des Antriebsenergiespeichers (12) auszugeben oder die Ausgabe des Nutzerhinweises (NH) zu veranlassen, wenn bestimmt wird, dass potenziell ein Schnellladevorgang des Antriebsenergiespeichers (12) bevorsteht und die wenigstens eine Zeit- und/oder Ortseigenschaft einer Referenz entspricht; und- das Konditionierungsmodul (110) für die Vorkonditionierung des Antriebsenergiespeichers (12) anzusteuern.
Resumen de: DE102024105213A1
Es sind Techniken für die Stromkollektordiagnose vorgesehen. Bei einer Ausgestaltung umfassen die Techniken das Feststellen, dass ein Strom durch einen Stromkollektor der Akkumulatorzelle fließt, das Erzeugen einer mechanischen Erregung für den Stromkollektor, das Ermitteln einer Amplitude der Spannung über der Akkumulatorzelle auf der Grundlage der mechanischen Erregung und das Feststellen des Vorhandenseins eines Risses oder einer Abtrennung einer Folie des Stromkollektors auf der Grundlage der Amplitude der Spannung über der Akkumulatorzelle.
Resumen de: US2025221640A1
The invention discloses the communication system of analyte detection device, which comprises the analyte detection device and the remote equipment. The analyte detection device transmits signals, and the remote equipment is used to search and identify nearby signals, establish the communication connection with the analyte detection device and perform data interaction. The data interaction mode can be adjusted according to the actual use situation, and the battery energy consumption is reduced while transmitting the analyte parameter information, it is conducive to the long-time work of the system and improves the user experience.
Resumen de: US2025223422A1
Provided is a flame-retardant rubber composition including an ethylene-α-olefin-non-conjugated diene copolymer, aluminum hydroxide, an alkyl-modified silane coupling agent, and a hydrocarbon-based plasticizer. An amount of the aluminum hydroxide is 60 mass % or more of the flame-retardant rubber composition, a total amount of the alkyl-modified silane coupling agent and the hydrocarbon-based plasticizer is 8 mass % or less of the flame-retardant rubber composition, and an amount of the alkyl-modified silane coupling agent is 5 mass % or more of the aluminum hydroxide. The flame-retardant rubber composition has excellent flame retardancy, physical properties suitable as a sealing material, and low environmental impact.
Resumen de: US2025223943A1
The wind power generation apparatus has an acquisition unit, a wind turbine, a generator, an electric power storage unit and a controller. The acquisition unit is used acquires a wind power value. The controller selects, according to the wind power value, the wind turbine to perform the following tasks: when the wind power value is between a first threshold value and a second threshold value, the wind turbine only drives the generator to generate power; when the wind power value is greater than the second threshold value, the wind turbine simultaneously drives the generator and the electric power storage unit to charge; when the wind power value is less than the first threshold value, the wind turbine only drives the electric power storage unit to charge or drives the electric power storage unit to output induced electric energy to the outside.
Resumen de: US2025222885A1
A pack-agnostic high voltage distribution apparatus can include an electrical component. The electrical component can be configured to control a first battery pack and a second battery pack different than the first battery pack.
Resumen de: US2025223481A1
The present invention concerns the use of a composition including at least one hydrocarbon fluid having an initial boiling point of at least 30° C., or at least one base oil; perfluorooctyl bromide, for cooling in a mobile or stationary system and/or for preventing or delaying the spread of thermal runaway in a mobile or stationary system.
Resumen de: US2025226443A1
In one aspect, the disclosure relates to gel polymer compositions and articles comprising gel polymer compositions. In one aspect, the gel polymer compositions comprise: a first polymer comprising poly(ethylene glycol), poly(pentyl malonate), or a derivative thereof; poly(2,2′-disulfonyl-4,4-benzidine terephthalamide) (PBDT); and a salt. The disclosure also relates to methods for forming compositions disclosed herein, comprising: dissolving both a salt and a first polymer in a first solvent, thereby forming a first mixture; dissolving PBDT in a second solvent, thereby forming a second mixture; combining the first mixture and the second mixture, thereby forming an intermediate mixture; pouring the intermediate mixture onto a substrate; drying the intermediate mixture and the substrate; and removing the dried intermediate mixture from the substrate, thereby forming a polymer membrane. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
Resumen de: US2025226477A1
A battery self-heating device includes a battery self-heating circuit and a controller. The battery self-heating circuit includes a first battery group, a second battery group, a bridge arm, and a winding corresponding to the bridge arm. A negative electrode of the first battery group and a positive electrode of the second battery group are connected to each other, and are connected to an output end of the winding. An input end of the winding is connected to a midpoint of the bridge arm. A positive electrode of the first battery group is connected to a first bus end of the bridge arm. A negative electrode of the second battery group is connected to a second bus end of the bridge arm. The controller is configured to adjust the duty ratio of the bridge arm according to a target duty ratio range.
Resumen de: US2025226440A1
A method of preparing a sulfide-based solid electrolyte according to embodiments comprises mixing a solvent and precursors in a reactor. In the reactor, an open vacuum atmosphere is formed. While maintaining the open vacuum atmosphere in the reactor, a mixture inside the reactor may undergo a reaction under conditions of stirring or applying ultrasonic waves. Accordingly, a high-purity sulfide-based solid electrolyte may be prepared with high efficiency.
Resumen de: US2025226445A1
An electrochemical device includes a negative electrode, a positive electrode, a separator, and an electrolyte. The positive electrode includes a positive electrode active material containing a doping element, where the doping element includes one or more selected from the group consisting of aluminum, magnesium, zirconium, titanium, and lanthanum; and based on a mass of the positive electrode active material, a mass percentage of the doping element is b %, where 0.01≤b≤3. The electrolyte includes a polynitrile additive.
Resumen de: US2025226479A1
The present disclosure relates to an apparatus and method for battery cooling control. An apparatus for battery cooling control according to some embodiments includes a cooling water control apparatus configured to control the supply of cooling water for cooling a battery system, and a control apparatus configured to obtain the state of charge and charge/discharge rate of the battery system, determine a heating value of the battery system according to the state of charge and the charge/discharge rate, and control the cooling water control apparatus to control the supply of the cooling water according to the heating value.
Resumen de: US2025226381A1
An electrode assembly includes a mono-cell group including at least one mono-cell; a single-sided electrode stacked on at least one side of the upper outermost side and the lower outermost side of the mono-cell group; and a separator interposed between the mono-cell group and the single-sided electrode. The single-sided electrode includes a current collector and an electrode layer disposed merely on one side of the current collector. The electrode layer has a porosity of 30% or less, and the single-sided electrode shows a curl of 30 mm or less. The method of preparing the single-sided electrode is also provided. Additionally, a secondary battery including the electrode assembly and an energy storage system is provided.
Resumen de: US2025226485A1
A battery module includes n stacked battery cells; and m resin separators inserted between the stacked adjacent battery cells, in which at least one of the m resin separators has a heater function capable of generating heat. n represents an integer of 2 or more, and m is represented by the following formula: m=n−1.
Resumen de: US2025226417A1
A lithium secondary battery includes an electrode group having a positive electrode, a negative electrode, and a separator. When D represents a length in a radial direction from an inner circumferential surface to an outer circumferential surface of the electrode group in a cross section perpendicular to a winding axis of the electrode group in a discharged state, the electrode group in the discharged state includes a first region that is within a distance of (1⁄4)×D from the inner circumferential surface of the electrode group and a second region that is within a distance of (1⁄4)×D from the outer circumferential surface of the electrode group. In the electrode group in the discharged state, an inter-electrode distance X1 between the positive electrode and the negative electrode in the first region and an inter-electrode distance X2 between the positive electrode and the negative electrode in the second region have a relationship: 2≤X1/X2.
Resumen de: US2025226379A1
Provided is a manufacturing method of an electrode layer, including a step A of forming an electrode material film on a collector foil, where the collector foil is transported using a transport member in which a plurality of pallets are connected in one direction, along a connection direction of the pallets, a step B of spacing the connected pallets apart from each other to divide a laminate of the collector foil and the electrode material film for each one pallet, and a step C of transporting the pallet on which the divided laminate of the collector foil and the electrode material film is placed along the connection direction of the pallets, and measuring a density and a thickness of the electrode material film using an X-ray examination device.
Resumen de: US2025226414A1
An electrochemical apparatus, includes a packaging bag accommodating an electrode assembly and an electrolyte. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. The positive electrode plate includes a positive electrode current collector having an aluminum foil and element silicon. A mass percentage of the element silicon in the positive electrode current collector is 0.03%-0.13%. The positive electrode current collector includes: a first surface and a second surface opposite to each other; and a single-sided region having a first portion. The second surface in the first portion is located on an outer surface of the electrode assembly. A positive electrode active material layer is provided on the first surface and an inactive material layer is provided on the second surface respectively, in the single-sided region. The inactive material layer includes an inactive material including an inorganic oxide and/or an elemental nonmetal.
Resumen de: US2025223169A1
Provided is a carbon nanotube dispersion liquid that exhibits good dispersion stability of single-walled carbon nanotubes.A carbon nanotube dispersion liquid according to an embodiment includes single-walled carbon nanotubes, carboxymethyl cellulose and/or a salt thereof, and water, in which a content of the single-walled carbon nanotubes is 0.47% to 1.00% by mass. The carboxymethyl cellulose and/or the salt thereof includes at least one having a degree of etherification of 0.65 to 0.85 and a weight-average molecular weight of 120,000 to 250,000. A content of the carboxymethyl cellulose and/or the salt thereof is 120 to 220 parts by mass relative to 100 parts by mass of the single-walled carbon nanotubes.
Resumen de: US2025223166A1
A negative electrode material including a silicon-carbon material. The silicon-carbon material contains element silicon, element carbon, element oxygen, and a metal element. Based on a mass of the silicon-carbon material, a mass percentage of element silicon is a, where 10%≤a≤90%; and a mass percentage of the metal element is x, where 0.01%
Resumen de: US2025223192A1
A positive electrode active material includes a lithium composite metal oxide including nickel, cobalt, manganese, and aluminum. The positive electrode active material includes 85 mol % to 97 mol % of nickel, and 2 mol % to 5 mol % of cobalt, with respect to the total number of moles of metals other than lithium, and satisfies Expression (1): 0.25≤I550/I700≤0.4. In Expression (1), I700 and I550 are respectively a maximum value of a peak intensity appearing in a range of 600 ppm to 800 ppm and a maximum value of a peak intensity appearing in a range of 450 ppm to 650 ppm when a spectral analysis (peak deconvolution) is performed on a 1D NMR center band spectrum extracted from a 2D 7Li Magic Angle Turning Phase Adjusted Spinning Sideband (MATPASS) NMR spectrum. A positive electrode and a lithium secondary battery are also included
Resumen de: US2025223194A1
Disclosed herein are a ternary precursor with a high tap density and a method for preparing same. The method comprises the following steps: (1) adding a silicon dioxide emulsion into an alkaline substrate solution to give a mixed solution; (2) adding a mixed nickel-cobalt-manganese salt solution, a precipitant, a complexing agent, and a surfactant; (3) conducting solid-liquid separation to give a solid material, and drying and crushing to give a crushed material; (4) mixing the crushed material with the alkaline substrate solution and the surfactant; (5) repeating step (2); and (6) conducting solid-liquid separation to give a solid material, and washing and drying the solid material to give the ternary precursor with a high tap density. The precursor particle prepared according to the method has a higher tap density, and can provide excellent cycle performance for the positive electrode material.
Resumen de: US2025226478A1
The present document describes systems and techniques of a battery heater failsafe circuit in a video-capturing doorbell. In aspects, the battery heater failsafe circuit is configured to monitor a temperature of one or more regions proximate or adjacent to a battery. If, while under software control of a processing unit, a battery heater is activated and, due to a software malfunction, the battery approaches or is equal to an upper threshold temperature, then the battery heater failsafe circuit can override the software-control of the battery heater to disconnect the battery heater from the processing unit and/or the battery. When, as a result, the temperature of the battery equals or drops below a lower threshold temperature, the battery heater failsafe circuit is capable of reconnecting the battery heater to the processing unit and/or the battery sufficient to enable a reactivation of the battery heater and allow heat generation.
Resumen de: US2025226442A1
An electrolyte for a battery that cycles lithium ions includes a polyacrylamide and a liquid electrolyte immobilized in the polyacrylamide. The polyacrylamide includes acrylamide monomers covalently bonded to one another. The liquid electrolyte includes a lithium salt in an organic solvent.
Resumen de: US2025226441A1
The present invention concerns a new method for the preparation of a Li-P-S product, as well as the products obtainable by said methods, and uses thereof especially as solid electrolytes.
Resumen de: US2025226474A1
A battery cooling device for cooling a battery module having battery cells, includes: first and second coolers and a distribution pipe for dividing and supplying cooling liquid to the first and second coolers. Further, the distribution pipe includes an upstream pipe, first and second supply pipes, and a flow rate adjusting valve for adjusting a flow rate of the cooling liquid supplied to the first cooler, and the flow rate adjusting valve opens and closes according to the flow rate of the cooling liquid flowing through the upstream pipe, and opens as the flow rate of the cooling liquid flowing through the upstream pipe increases.
Resumen de: US2025226439A1
A secondary cell is provided. The secondary cell comprises a solid electrolyte to conduct oxygen ions, a positive electrode configured to be in contact with the solid electrolyte, and a negative electrode configured to be in contact with the solid electrolyte. The positive and the negative electrode comprise a mixed ionic and electronic structure for conducting oxygen ions and electrons. The mixed ionic and electronic structure comprises an ABO3 structure, wherein the A site corresponds to a first chemical element with a first covalent radius, wherein the B site corresponds to a second chemical element with a second covalent radius; and/or a CeMO2 structure, wherein the Ce is Cerium and M is a metal.
Resumen de: US2025226390A1
An electrode plate includes a current collector and a film layer comprising an active material and an adsorptive polymer disposed on at least one side of the current collector, wherein: the adsorptive polymer satisfies: 3≤m1/n≤35, in which n represent a mass of the adsorptive polymer, and m1 represents a mass of a first substance that is obtained by: adding the adsorptive polymer to a predetermined electrolytic solution at 45° C. to form a polymer system, allowing the polymer system to stand for 60 hours at 45° C. and for ≥24 hours at 25° C., and then filtering the polymer system through a 200-mesh screen to obtain the first substance; and the adsorptive polymer further satisfies: 1.00≤m2/n≤1.05, in which m2 represents a mass of a second substance, that is obtained by drying the first substance at 60° C. for ≥24 hours.
Resumen de: US2025226387A1
The present invention relates to a silicon-carbon mixture, a method for preparing same, and a negative electrode active material and a lithium secondary battery comprising same. The silicon-carbon mixture includes two or more kinds of composites, comprises silicon particles, magnesium silicate, and carbon, and has a molar ratio of oxygen (O) atoms to silicon (Si) atoms (O/Si) that satisfies 0.06 to 0.90. Accordingly, when the silicon-carbon mixture is applied to a negative electrode active material, it is possible to simultaneously enhance the discharge capacity, initial efficiency, and capacity retention rate after cycles of a lithium secondary battery.
Resumen de: US2025226413A1
A negative electrode material is provided. The negative electrode material comprises a carbon-based material. In a nitrogen adsorption-desorption test of the negative electrode material, 0.004 cm3/g≤S≤0.030 cm3/g, wherein S is an adsorption volume of pores with a pore diameter of 3 nm to 35 nm in the negative electrode material. In a charge-discharge test of a button battery prepared by using lithium as a negative electrode and using the negative electrode material as a positive electrode, a gravimetric capacity of the negative electrode material measured when the button battery is discharged to −5 mV is Cap A, and the gravimetric capacity of the negative electrode material measured when the button battery is discharged to a voltage of 5 mV is Cap B, 10 mAh/g≤Cap A−Cap B≤20 mAh/g.
Resumen de: US2025226416A1
ObjectTo provide a metal foil having higher corrosion resistance, thinness, and folding endurance all together.Solving MeansAn alloy electrolytic foil made of an iron-and-nickel-base alloy and containing 30 to 500 ppm by weight of manganese in terms of content proportion, and having a thickness of 1.5 to 10.0 μm.
Resumen de: US2025226411A1
A negative electrode material includes a carbon-based material. In an X-ray diffraction pattern of the negative electrode material tested by X-ray diffractometry, a diffraction peak a is exhibited at a diffraction angle 2θ of 43° to 44°, a diffraction peak b is exhibited at a diffraction angle 2θ of 45° to 47°, an intensity of the diffraction peak a is Ia, and an intensity of the diffraction peak b is Ib, and Ia/Ib>1.
Resumen de: US2025223193A1
A method of preparing a positive electrode active material, and a rechargeable lithium battery including a positive electrode active material prepared therefrom are provided. The method includes adding lithium carbonate, nickel carbonate, and cobalt carbonate to an aqueous solvent and mixing the lithium carbonate, the nickel carbonate, the cobalt carbonate, and the aqueous solvent to prepare a raw material mixture, wet-pulverizing the raw material mixture, spray-drying the pulverized raw material mixture to obtain a positive electrode active material precursor mixture, and subjecting the positive electrode active material precursor mixture to heat treatment to obtain a positive electrode active material in a form of single particles and including lithium nickel-cobalt-based composite oxide.
Resumen de: US2025223191A1
A positive electrode active material for rechargeable lithium batteries includes: a first positive electrode active material including a first lithium nickel-based composite oxide and being in a form of secondary particles having an average particle diameter (D50) of about 10 μm to about 25 μm; a second positive electrode active material including a second lithium nickel-based composite oxide and being in a form of secondary particles having an average particle diameter (D50) of about 0.5 μm to about 8 μm; and a third positive electrode active material including a third lithium nickel-based composite oxide and being in a form of secondary particles including a plurality of primary particles, wherein an average particle diameter (D50) of the secondary particles is about 0.5 μm to about 8 μm, and the primary particles constituting the secondary particles of the third positive electrode active material are needle-shaped.
Resumen de: US2025222760A1
A cooling module includes a manifold made of resin and including a plurality of housings each having a joint portion joined to each other, in which the manifold includes a plurality of channels formed across at least two of the plurality of housings, a joining surface of each joint portion of the two joined housings among the plurality of housings is an end surface of a partition wall partitioning inside of the housing into the plurality of channels and a plurality of spare chambers, and the partition wall is erected from a bottom surface of each of the two housings.
Resumen de: US2025223188A1
Process for the manufacture of a fluoride doped cathode active material wherein said process comprises the steps of (a) providing a particulate oxide or (oxy)hydroxide or carbonate of TM wherein TM comprises nickel and manganese and wherein at least 50 mol-% of TM is manganese, wherein said particulate oxide or (oxy)hydroxide has an average particle diameter (D50) in the range of from 1 to 16 pm, (b) providing a source of lithium that contains 0.01 to 2.5 up by weight of fluoride, uniformly dispersed within said source of lithium, (c) mixing said oxide or (oxy)hydroxide or carbonate of TM with said fluoride-containing source of lithium and, optionally, with additional source of lithium containing less fluoride, and, optionally, with one or more dopants based on at least one metal other than lithium, (d) treating the mixture obtained from step (c) thermally.
Resumen de: US2025222418A1
The present disclosure relates to a kitchen appliance, including: a body, a mounting cavity being providing in the body, and the mounting cavity having a mounting opening located on a surface of the body; and a battery pack detachably connected to the body. The battery pack has a mounted state and a dismounted state. In the dismounted state, the battery pack is capable of moving into or out of the mounting cavity through the mounting opening, and after the battery pack is separated from the body, the mounting cavity is exposed to the surface of the body. In the mounted state, the battery pack is mounted in the mounting cavity, and an end of the battery pack is exposed through the mounting opening.
Resumen de: US2025226475A1
Provided herein are direct evaporative cooling devices and systems that are in open and closed configurations for cooling hot solid components. The devices in both configurations generally have a casing with a perforated surface where sealed within are a water/vapor separator with a reservoir volume and a thermally conductive media therein through which heat evaporates water within the media such that evaporation cools the hot solid component. The closed configuration of the device includes a condensor to receive, recondense the vapor to water and re-inject the water into the reservoir volume.
Resumen de: US2025226438A1
A negative electrode plate includes a negative electrode material. The negative electrode material includes a matrix material, and a fast ion conductor is present on a surface of the matrix material. The fast ion conductor is a lithium lanthanum zirconium oxide. Dv50 of the matrix material is D1 μm, and Dv50 of the fast ion conductor is D2 μm, where D2/D1≤0.1 and 0.05≤D2≤1.
Resumen de: US2025226437A1
The invention relates to Chevrel-phase materials and methods of preparing these materials utilizing a precursor approach. The Chevrel-phase materials are useful in assembling electrodes, e.g., cathodes, for use in electrochemical cells, such as rechargeable batteries. The Chevrel-phase materials have a general formula of Mo6Z8 (Z=sulfur) or Mo6Z18-yZ2y (Z1=sulfur; Z2=selenium), and partially cuprated Cu1Mo6Z8 as well as partially de-cuprated Cu1-xMgxMo6S8 and the precursors have a general formula of MxMo6Z8 or MxMo6Z18-yZ2y, M=Cu. The cathode containing the Chevrel-phase material in accordance with the invention can be combined with a magnesium-containing anode and an electrolyte.
Resumen de: US2025226457A1
An inorganic ion-conducting membrane treated to modify its surface properties can improve battery cell performance. Membrane surfaces positioned to directly interface with liquid electrolyte(s) on one or both of its major surfaces can be modified to mitigate polarization effects arising from ionic space charges at the solid electrolyte/liquid electrolyte interface when disposed in a battery cell. This surface modification can include fluid treatments that modify the ionic space charge layer to reduce battery cell polarization. The cell polarization can be reduced by at least 10 mV, 50 mV or at least 100 mV as a result of using this surface-modified membrane compared to the same membrane that was not surface-modified.
Resumen de: US2025226454A1
A cylindrical nonaqueous electrolyte secondary battery according to the present invention is provided with: a wound electrode body which is obtained by winding a positive electrode and a negative electrode with a separator being interposed therebetween; a nonaqueous electrolyte; and an outer package can in which the electrode body and the nonaqueous electrolyte are contained. The negative electrode has a bent part, which is bent toward the inner winding side, at a position that is closer to the winding start point than a facing part which faces a leading end part of the positive electrode on the inner winding side of the leading end part. This nonaqueous electrolyte secondary battery can suppress deformation of the negative electrode toward the leading end part of the positive electrode, thereby achieving good cycle characteristics.
Resumen de: US2025226393A1
A lithium-ion battery including a cathode having a sulfide coating thereon; such sulfides having different chemical compounds, including Li2S, Na2S, K2S, Rb2S, Cs2S, Fr2S, BeS, MgS, SrS, BaS, RaS, Sc2S3, Y2S3, TiS2, ZrS2, HfS2, V2S5, Nb2S5, Ta2S5, CrS2, MoS2, WS2, MnS, MnS2, TcS2, ReS2, Fe2S3, Ru2S3, Os2S3, CoS, CoS2, Co3S4, Co9S8, RhS, RhS2, NiS, NiS2, PdS, PdS2, PtS, PtS2, CuS, Cu2S, Ag2S, AgS, Au2S, AuS, ZnS, CdS, HgS, B2S3, Al2S3, Ga2S3, In2S3, SiS, SiS2, GeS, GeS2, SnS, SnS2, PbS, PbS2, P2S5, As2S5, Sb2S5, Bi2S5, their compounds, and a method for making the same. The cathode can be LiNixMnyCozO2 (NMCs, x+y +z=1), LiMn2O4 (LMO), olivine LiFePO4 (LFP), LiCoO2 (LCO), LiNi0.8Co0.05Al0.05O2 (NCA), layered Li-rich Mn-based cathodes with the chemical formular of xLi2MnO3# (1−x) LiTMO2 (TM=Ni, Mn, Co, etc.), and a method for making the same.
Resumen de: US2025226389A1
Anode material and a battery are provided. The anode material includes a carbon matrix and silicon material. The silicon material is dispersed in the carbon matrix. The anode material is tested with Raman spectroscopy. The anode material has a first characteristic peak at 520±10 cm−1. The peak intensity of the first characteristic peak is IA. There is a second characteristic peak at 960±10 cm−1, the peak intensity of the second characteristic peak being IB. There is a third characteristic peak at 480±10 cm−1, the peak intensity of the third characteristic peak being IC. The following relationships exist between IA, IB and IC: 0.3≤IA/(IB+IC)≤0.6; and the anode material satisfies: α≤10%.
Resumen de: US2025226412A1
A negative electrode material, containing a carbon-based material, where an average surface roughness of the negative electrode material is Ra, and 1.2 nm≤Ra≤30 nm. The negative electrode material of this application possesses a relatively high gravimetric capacity and excellent kinetic properties, so that a secondary battery containing the negative electrode material achieves both a high energy density and high fast-charge performance. A secondary battery containing the negative electrode material is also provided.
Resumen de: US2025226408A1
The present disclosure provides an anode material and a battery. The anode material includes graphite, an interior and/or a surface of the graphite has pores, the anode material has an oil absorption value of O mL/100 g, a pore volume of V cm3/kg, a specific surface area of S m2/g, and a powder porosity of Φ%, where 50≤O*V*S≤391, and 40≤Φ≤58. According to the anode material and the battery provided by the present disclosure, a reaction space capable of performing an effective lithium ion de-intercalation in the anode material is relatively sufficient, improving the high-rate charging-discharging performance of the graphite anode material.
Resumen de: US2025226386A1
A negative electrode plate includes a current collector and a film layer disposed on the current collector. The film layer includes a first portion and a second portion disposed along a thickness direction of the film layer, where the first portion is disposed on the current collector, and the second portion is disposed on the first portion. The first portion includes a first carbon-based active material, the second portion includes a second carbon-based active material, the second carbon-based active material includes secondary particles, and a powder compacted density of the first carbon-based active material is greater than a powder compacted density of the second carbon-based active material.
Resumen de: US2025223174A1
A carbon material is disclosed. The carbon material includes a plurality of stacked carbon atom layers. A proportion of interlayer turbostratic stacking of the plurality of stacked carbon atom layers in the carbon material is greater than or equal to 20%. In-plane thermal diffusivity of the carbon material is greater than or equal to 750 mm2/s. The proportion of interlayer turbostratic stacking of the carbon atom layers in the carbon material is controlled to be greater than or equal to 20% by a specific process. In this way, the carbon material has high in-plane thermal diffusivity, and can meet a heat dissipation requirement of a device with a high heat flux. The carbon material may be used in an electronic device, a heat dissipation module, a battery system, and a semiconductor structure.
Resumen de: US2025223186A1
A composite that includes a layered MXene comprising at least two layers, and an amount of a chalcogen confined between the at least two layers. An electrode that includes a composite that includes a layered MXene comprising at least two layers, and an amount of a chalcogen confined between the at least two layers. Power cells that include the composite. A method, comprising: with an intercalant spacer, effecting an increase in an interlayer spacing in a multilayered MXene composition; and effecting intercalation of a chalcogen into the interlayer spacing so as to confine the chalcogen between layers of the multilayered MXene composition, and optionally effecting removal of the intercalant spacer.
Resumen de: US2025223189A1
A positive electrode active material with a controlled specific surface area, a method of preparing the same, and a positive electrode containing the same, can have a density of the positive electrode active material being optimized by controlling the sintering conditions and composition of the positive electrode active material, thus maximizing the output characteristics of an all-solid-state battery containing the same. The positive electrode active material can include a lithium composite oxide enabling intercalation or deintercalation of lithium, wherein in the lithium composite oxide, a ratio (Sm/Sc) of a measured specific surface area (Sm) based on a Brunauer-Emmett-Teller (BET) method to a calculated specific surface area (Sc) based on a particle size distribution (PSD) analysis result is in a first range of 2.0 to 3.3.
Resumen de: US2025223168A1
Provided is a carbon nanotube dispersion composition including carbon nanotubes, a dispersant, and a solvent and satisfying (1) and (2) as follows:(1) an average outer diameter of the carbon nanotubes calculated from an SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is 15 nm or more and 50 nm or less; and(2) when a target pixel group in the SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is set as the carbon nanotubes, and a value obtained by dividing an absolute maximum length by a length of a free curve, that is, a skeleton length, is set as linearity, a proportion of carbon nanotubes with a linearity of 0.9 or more among carbon nanotubes with a skeleton length of 1 μm or more is 40% or more and 90% or less.
Resumen de: US2025226476A1
There is provided a vehicle battery unit including: a battery module including a battery cell stack where chargeable-dischargeable battery cells are stacked; a housing case including upper and lower cases and having a housing space to house the battery module; a flow-path forming plate defining a plate-shaped refrigerant-flow-path with the lower-case bottom at a predetermined flow-path interval, the battery module being cooled with a liquid-refrigerant flowing through the plate-shaped refrigerant-flow-path from a bottom-rear-surface of the lower case, the plate-shaped refrigerant-flow-path having a flow region accounting for 90% or more of the bottom-rear-surface of the lower case; a refrigerant-supply-nozzle being a slit or flat nozzle, the liquid-refrigerant being supplied through the refrigerant-supply-nozzle to flow over 90% or more of a flow path width of the plate-shaped refrigerant-flow-path; a liquid-refrigerant-supply header that supplies the liquid-refrigerant to the refrigerant-supply-nozzle; and a liquid-refrigerant-discharge header that discharges the liquid-refrigerant from the plate-shaped refrigerant-flow-path.
Resumen de: US2025226436A1
Embodiments of the present technology may include flexible all-solid-state lithium-ion batteries. The batteries may include a plurality of jelly roll battery cells. Each jelly roll battery cell may include a cathode, an anode. and a hybrid solid electrolyte membrane. The cathode may be or include a first self-supporting lithium-based composite. The anode may be or include a second self-supporting lithium-based composite. The hybrid solid electrolyte membrane may be positioned between the cathode and the anode.
Resumen de: US2025226434A1
Proposed are a high-temperature pressurizing system 1 for an all-solid-state secondary battery, and a method thereof. More specifically, Proposed are a high-temperature pressurizing system 1 for an all-solid-state secondary battery, and a method thereof, in which a pressurizing part, where a high-temperature pressurizing process is performed between a solid electrolyte and an active material of an all-solid-state secondary battery to maximize a contact interface and minimize an interfacial resistance, is configured along a perpendicular direction, thereby eliminating the need for a process of discharging a fluid from an internal space of a vessel after completing the high-temperature pressurizing process, reducing a tact time. At the same time, a plurality of pressurizing parts is arranged at predetermined intervals, thereby increasing process efficiency.
Resumen de: US2025226435A1
A battery cell and a method of manufacturing a battery cell are disclosed. A battery cell includes an electrode assembly including a first electrode plate and a second electrode plate, a case in which the electrode assembly is accommodated, a cap assembly configured to cover an open area of the case, and a gasket between an upper portion of the electrode assembly and the cap assembly and arranged in close contact with the case.
Resumen de: US2025226456A1
A method and apparatus for generating electricity using an electrochemical cell with a thin aluminum wire as the anode, oxygen extracted from ambient air as the cathode, and a bioplastic electrolyte. The invention teaches the use of inexpensive materials and simplified fuel cell construction and assembling of cells into modules, and modules into ultra-low-cost electricity generators.
Resumen de: US2025226392A1
This technology concerns modifying the surface of an electrode film with a succession of thin layers, for example, each being of 15 microns or less, where the first thin layer comprises an inorganic compound (such as a ceramic) in a solvating polymer, the inorganic compound being present in the first thin layer in an “inorganic compound:solvating polymer” weight ratio in the first thin layer is in the range of from about 1:20 to about 20:1. Electrochemical cells comprising the modified electrodes are also described as well accumulators comprising them.
Resumen de: US2025226407A1
A method of preparing a positive electrode active material, and a rechargeable lithium battery including a positive electrode active material prepared therefrom are provided, the method including adding lithium hydroxide, nickel sulfate, cobalt sulfate, and ammonium carbonate to an aqueous solvent and mixing them to prepare a raw material mixture, wet-pulverizing the raw material mixture, spray-drying the pulverized material to obtain a positive electrode active material precursor mixture, and subjecting the positive electrode active material precursor mixture to heat treatment to obtain a positive electrode active material in a form of a single particle and including lithium nickel-cobalt-based composite oxide.
Resumen de: US2025226406A1
Disclosed are an additive for a positive electrode, a preparation method thereof, and a positive electrode and a rechargeable lithium battery including the additive, the additive including lithium iron oxide particle; and a coating layer located on the surface of the lithium iron oxide particles and including metal oxide particles including a metal having an oxidation number of 4 or higher.
Resumen de: US2025226404A1
Exemplary lithium-ion batteries comprise a cathode, an anode, and a non-aqueous electrolyte. Exemplary cathodes comprise a mixed metal oxide active material of formula:LiNixM′(1−x)O2wherein M′ is at least one metal element, and 0.60x≤0.999. Exemplary anodes comprise an active material, the active material comprising carbon.
Resumen de: US2025226391A1
There is provided a negative electrode material for a lithium ion secondary battery according to a first aspect includes composite particles in which amorphous carbonaceous particles and amorphous silicon particles are complexed. An average primary particle diameter of the silicon particles is 1 nm or more and 50 nm or less. The composite particles include a first composite particle having a silicon content of 0.5% by weight or more and 5% by weight or less, and a second composite particle having a silicon content of 60% by weight or more and 70% by weight or less.
Resumen de: US2025226382A1
A small format lithium-ion battery cell pre-lithiation assembly includes an enclosure having a first portion corresponding to a first battery cell terminal and a second portion corresponding to a second battery cell terminal. The assembly also includes an electrical insulator contacting the first portion and the second portion, a first lithium metal foil disposed in the enclosure and abutting the first portion, and a second lithium metal foil disposed in the enclosure and abutting the second portion. The assembly also includes an electrode assembly disposed in the enclosure between the first lithium metal foil and the second lithium metal foil.
Resumen de: US2025223183A1
The present disclosure relates to a lithium compound for recovering valuable metals and a method of recovering the same, and a method of recovering a lithium compound for recovering valuable metals includes: preparing a battery; freezing and forcibly discharging the battery; shredding the battery into a battery shredded material; and heating the battery shredded material, wherein the heating of the battery is performed in a temperature range of 1,100 to 1,400° C., a degree of vacuum (Log P atm) in the heating of the battery is in a range of −4 to 0, a lithium compound recovered through the heating of the battery contains impurities, and the impurities include, by wt %, 1.8 wt % or less (excluding 0 wt %) of Na, 0.06 wt % or less (excluding 0 wt %) of K, 0.62 wt % or less (excluding 0 wt %) of Ca, and 0.47 wt % or less (excluding 0 wt %) of Mg.
Resumen de: US2025223167A1
The present invention relates to a low-defect carbon nanotube sludge and a preparation method therefor, a conductive composite material based on the low-defect carbon nanotube, a negative electrode slurry using same, a negative electrode, and a lithium secondary battery, and has the technical gist of comprising carbon nanotubes that have crystallinity while satisfying relational expression 1 below. relational expression 1 5≤IG/ID≤50 (wherein IG/ID is a value calculated as a ratio of a maximum peak intensity (IG) measured at 1,580±50 cm−1 to a maximum peak intensity (ID) measured at 1,360±50 cm−1 in a wavenumber region of a Raman spectrum.)
Resumen de: US2025223129A1
A floatation roll supports a work to be conveyed contactlessly using a force applied to the work contactlessly. The floatation roll has a cylindrical shape extending in a direction of width of the work, and at least a surface of the floatation roll facing the work being formed by a circumferential surface. A driving unit rotates the floatation roll in a yaw direction. Of a wrap angle of the work supported by the floatation roll contactlessly, a wrap angle on an entry side with respect to an apex point and a wrap angle on an exit side with respect to the apex point are set to be different.
Resumen de: US2025223126A1
A mandrel member of a winder for a secondary battery, which is mounted in a winder configured to manufacture a jelly roll-type electrode assembly by winding a stack of a first electrode plate, a separator, and a second electrode plate, the mandrel member comprising a cylindrical body having a hollow portion, wherein the cylindrical body includes a plurality of slits having a planar shape to cross the cylindrical body in a hollow axis direction so that the hollow portion inside the cylindrical body is in fluid communication with the outside of the cylindrical body.
Resumen de: US2025222826A1
Electrically powered vehicles with redundant power distribution circuits employ inverters and a multi-phase alternating current (AC) motor. An electrically powered vehicle includes batteries, inverters, interphase transformers, and a three-phase AC motor. Each of the inverters generates a three-phase AC input from power supplied by an associated one of the batteries. The interphase transformers generate drive phases for the AC motor from the three-phase AC inputs generated by the inverters.
Resumen de: US2025226449A1
Batteries such as Li-ion batteries are provided that comprise anode and cathode electrodes, an electrolyte ionically coupling the anode and the cathode, and a separator electrically separating the anode and the cathode. In some designs, the electrolyte may comprise, for example, a mixture of (i) a Li-ion salt with (ii) at least one other metal salt having a metal with a standard reduction potential below −2.3 V vs. Standard Hydrogen Electrode (SHE). In other designs, the electrolyte may be disposed in conjunction with an electrolyte solvent that comprises, for example, about 10 to about 100 wt. % ether. In still other designs, the battery may further comprise anode and cathode interfacial layers (e.g., solid electrolyte interphase (SEI)) disposed between the respective electrode and the electrolyte and having different types of fragments of electrolyte solvent molecules as compared to each other.
Resumen de: US2025226432A1
An electrode assembly, a battery, a battery pack and a vehicle including the same are provided. In the electrode assembly, the uncoated portion of an electrode includes a segment region divided into a plurality of segments, and the segment region includes a plurality of segment groups separated by a group separation pitch along a winding direction. One end of the electrode assembly includes a plurality of segment alignments. In winding turns corresponding to the plurality of segment alignments, group separation pitches of segment groups disposed in a same winding turn are substantially identical, and separation pitches of the segment groups is greater in a winding turn of a region adjacent to the outer circumference of the electrode assembly than in a winding turn of a region adjacent to the core of the electrode assembly.
Resumen de: US2025226465A1
A module for providing power to a battery-operated device having a body in which is formed a battery compartment and a cover having one or more first elements cooperable with one or more second elements provided to the body for releasably positioning the cover over the battery compartment. The module has an energy-generating surface, an energy storage device coupled to the energy-generating surface, and a storage device cover positionable over the energy-generating surface. The storage device cover has one or more third elements cooperable with the one or more second elements provided to the body for releasably positioning the module cover over the battery compartment when the energy storage device is positioned within the battery compartment in engagement with one or more electrical contacts positioned within the battery compartment.
Resumen de: US2025226469A1
A battery module as provided includes a battery, a wiring harness board, a circuit board, a compressing piece and a temperature acquisition assembly. The battery includes a top cover. The wiring harness board is arranged on an outer side of the top of the top cover. The circuit board is arranged on a side, away from the battery, of the wiring harness board. The compressing piece is mounted on the wiring harness board. The temperature acquisition assembly includes a thermistor, and the thermistor is electrically connected to the circuit board. The compressing piece compresses the thermistor of the temperature acquisition assembly, so that the thermistor compresses the top cover. The temperature acquisition assembly acquires a temperature of the top cover of the battery, with a short temperature transfer path and rapid temperature transfer response.
Resumen de: US2025226403A1
A positive electrode active material for nonaqueous electrolyte secondary batteries according to the present invention is characterized by being a composite oxide which is represented by general formula LixTMtmNMyO2-fFf and has a crystal structure that belongs to the space group Fm-3m. In the general formula, TM represents a transition metal; M represents a non-transition metal; x, tm, y and f satisfy 1.75≤x+tm+y≤2 and 0
Resumen de: US2025226409A1
A negative electrode material includes a carbon-based material. In a nitrogen adsorption/desorption test, the negative electrode material satisfies: S1/S2≥20%, and S2/S≥15%. S1 represents an adsorption volume of pores with a pore size less than or equal to 2 nm in the negative electrode material, and 0.0003 cm3/g≤S1≤0.001 cm3/g. S2 represents an adsorption volume of pores with a pore size greater than 2 nm and less than or equal to 10 nm in the negative electrode material, and 0.0008 cm3/g≤S1≤0.0025 cm3/g. S represents an adsorption volume of pores with a pore size less than or equal to 30 nm in the negative electrode material.
Resumen de: US2025226410A1
A negative electrode material including a carbon-based material. In a thermogravimetric test of the negative electrode material, the negative electrode material has an exothermic peak within a temperature range of 600° C. to 800° C. in an air atmosphere. The negative electrode material of this application has excellent kinetic performance, thereby effectively improving discharge rate performance of a secondary battery including the negative electrode material.
Resumen de: US2025226402A1
Described herein are solid-state electrochemical cells incorporating a solid-state electrolyte and aluminum as an anode active material. The use of aluminum as an anode active material can drive an increase in energy density and specific energy as compared to cells using conventional lithium-ion anode materials (e.g., graphite). Pairing an aluminum anode with a solid-state electrolyte can further provide for improved safety in secondary cells as compared to cells using lithium metal anodes for less complex manufacturing compared to cells using liquid electrolytes or wet processed anode materials.
Resumen de: US2025226401A1
An electrode, including a first iron material and a second iron material. The first iron material is a first reduced iron and the second iron material is different from the first iron material. Also provided is an electrochemical cell comprising an electrode including a first iron material and a second iron material. Further provided is a method of making an electrode.
Resumen de: US2025226398A1
An anode active material for a lithium secondary battery includes a silicon-based active material particle doped with a metal element and including pores. A porosity of the silicon-based active material particle is in a range from 0.4% to 3.5%. A lithium secondary battery includes the anode and a cathode facing the anode.
Resumen de: US2025222827A1
An immersion cooling system having a dual pump system architecture and operation for immersion cooling of batteries for electric vehicles. The system can include a first pump and a second pump arranged in parallel, the first pump being, relative to the second pump, a high-pressure, low-flow pump. The differences in pressure and flow rate capacities of the pumps can be beneficial with respect to the pumping of a dielectric cooling fluid at different viscosities. In instances in which the dielectric cooling fluid has a relatively high viscosity, the immersion cooling system can selectively operate in a pressure mode wherein the relatively higher-pressure capabilities of the first pump are utilized. Conversely, in instances in which the dielectric cooling fluid has a relatively low viscosity, the immersion cooling system can selectively operate in a flow mode wherein the relatively higher flow capabilities of the second pump are utilized.
Resumen de: US2025222788A1
A supercapacitor pack is provided for a vehicle having a power source comprising a battery pack accommodated in a battery pack housing of the vehicle. The supercapacitor pack comprises a housing having means for attaching the supercapacitor pack to the battery pack housing such that a surface of the supercapacitor pack housing contacts a surface of at least one battery of the battery pack to secure or at least stabilize the position of the at least one battery relative to the battery pack housing. The supercapacitor pack housing has an interior space accommodating one or more supercapacitor devices. The one or more supercapacitor devices are electrically connected to an electrical port provided on the supercapacitor pack housing. This enables the supercapacitor pack to be electrically easily connected to the battery pack of the vehicle.
Resumen de: US2025222775A1
A power system for driving a direct current electric motor that is controlled by a driving voltage. The power system includes a plurality of cell modules, each cell module having one or more cells and a plurality of connectors for connecting the cell modules to form a configurable battery to generate the driving voltage. The connectors connect the cell modules into configurable clusters. A voltage level controller controls the configuration of the configurable clusters to provide the driving voltage at one of a set of selectable voltage levels, wherein for each voltage level of said set a share of a current drawn from each of the cell modules with respect to a total current drawn from the configurable battery is lower than for each higher voltage level of said set.
Resumen de: US2025222660A1
A method of manufacturing a current collector foil with a resin film includes a step A of cutting a metal foil for a current collector foil into sheets, a step B of allowing a movable stage to hold the cut metal foil for each sheet by suction and allowing the movable stage to move the metal foil held by suction onto a resin film, and a step C of bringing the resin film into contact with the metal foil to heat fusion-weld the resin film to the metal foil, in which the movable stage includes a plate-like body including a heating-suction region, and an area of the heating-suction region is smaller than an area of the cut metal foil.
Resumen de: US2025222543A1
A metal foil laser cutting method includes: intermittently irradiating a metal foil that forms an electrode of a battery and that serves as a workpiece with a pulse of a laser light of which energy per pulse is 2 mJ or more and 100 mJ or less and of which rise time is 2 μs or shorter to laser cut the workpiece.
Resumen de: US2025226466A1
Systems and methods for measuring pressure applied to electrochemical cells are generally described. In some aspects, electrochemical devices including an electrochemical cell and an associated sensor are provided. The sensor may be configured to produce a signal indicative of the pressure experienced by the electrochemical cell. In some instances, the sensor measures the applied pressure by being responsive to displacement of load-bearing components of the electrochemical device. Such a configuration may permit the sensor to accurately measure the pressure at the cell while being positioned adjacent to an electrochemical device housing component rather than overlapping with the cell itself. For example, in some embodiments a strain gauge adjacent to a load-bearing member of an electrochemical device housing such as a housing fastener or frame component is employed to measure cell pressure.
Resumen de: US2025226433A1
A pressing apparatus, electrode plate processing equipment, and battery processing equipment are disclosed. The battery processing equipment includes the electrode plate processing equipment and shaping equipment. The electrode plate processing equipment includes the pressing apparatus. The pressing apparatus includes a first pressing piece with a first surface and a second pressing piece with a second surface. The first surface and the second surface are configured to coordinate to press a target piece. The first surface and/or the second surface are provided with a clearance groove. The clearance groove provides a clearance for a part of the separator, so that the separator is still sticky during shaping, thereby alleviating the problem of inferior adhesion in the electrode assembly.
Resumen de: US2025226471A1
A method for generating a recyclate from dry coating material includes providing an agglomerated solidified coating material, where the coating material has a binder in the form of fibrils which form aggregates. A recyclate is generated by introducing forces, especially shearing forces, into the coating material in such a way that the agglomerate is broken up and the aggregate-forming fibrils are retained.
Resumen de: US2025226463A1
Disclosed may be a spectral image-based battery heat generation inspection method and an apparatus supporting same, the method comprising the steps of: collecting a current spectral image of a battery that is being charged or discharged; performing processing on the current spectral image; a processor, on the basis of the result of the processing, determining whether the battery is of high quality or poor quality; and outputting the result of determining whether being of high quality or poor quality.
Resumen de: US2025226423A1
The present disclosure discusses a system with a nanoporous carbon material with a pore structure and lithium metal disposed adjacent to the nanoporous carbon material. The present disclosure discussion includes an electrical energy storage device including at least one anode, at least one cathode, and an electrolyte comprising lithium ions, wherein the electrical energy storage device has a first cycle efficiency of at least 50% and a reversible capacity of at least 150 mAh/g.
Resumen de: US2025226400A1
Embodiments of this application provide an electrode material. The electrode material includes a secondary particle formed by aggregating a plurality of primary particles, the secondary particle includes an inner layer and an outer layer that wraps an outer side of the inner layer, and an average particle size of primary particles at the inner layer is greater than an average particle size of primary particles at the outer layer. The electrode material can homogenize stress distribution of the secondary particle in a charging and discharging process, to suppress a grain boundary cracking phenomenon to some extent, improve cycle stability of the material, and improve battery performance. Embodiments of this application further provide an electrode material preparation method, an electrode material precursor, and an electrode material precursor preparation method.
Resumen de: US2025226397A1
A composite cathode active material including a plurality of particles, the particles including a lithium transition metal oxide, and a coating layer arranged on at least a portion of the surface of the particles. The coating layer includes a linear carbon-based material and a solid electrolyte, and a length of the linear carbon-based material is 1,000 μm or more.
Resumen de: US2025226394A1
Cathodes and secondary batteries including the cathodes are disclosed. In an embodiment, a cathode includes: a cathode current collector, a first cathode active material disposed on at least one surface of the cathode current collector, and including a first cathode active material; and a second cathode active material layer disposed on the first cathode active material layer, and including a second cathode active material different from the first cathode active material, wherein a Raman peak intensity ratio of the first cathode active material layer is smaller than a Raman peak intensity ratio of the second cathode active material layer.
Resumen de: US2025226396A1
A positive electrode active material for a rechargeable lithium battery includes a first positive electrode active material including a layered lithium nickel-manganese-based composite oxide having a nickel content of at least 70 mol % based on 100 mol % of a total metal excluding lithium in the first positive electrode active material, and being in a form of secondary particles having an average particle diameter (D50) of about 10 μm to about 25 μm, and a second positive electrode active material including a lithium cobalt-based oxide, being in the form of single particles having an average particle diameter (D50) about 1 μm to about 9 μm, wherein a difference between the average particle diameter (D50) of the secondary particles of the first positive electrode active material and the average particle diameter (D50) of the single particles of the second positive electrode active material is at least about 5 μm.
Resumen de: US2025222501A1
In a roll press apparatus, a main conveyer line conveys a metal foil to be used as a substrate. A pressurizing roll is provided on the main conveyer line. A lithium conveyer line is a conveyer line that conveys a lithium foil to be bonded to the metal foil and merges with the main conveyer line on an upstream side of the pressurizing roll. The pressurizing roll rolls the lithium foil on a surface of the metal foil and bonds the lithium foil to the surface of the metal foil by pressure-bonding.
Resumen de: US2025224701A1
A battery management apparatus according to an embodiment of the present disclosure includes a data obtaining unit for obtaining battery information including at least one of voltage and current of a battery and a controller for estimating a state of health (SOH) of the battery based on the battery information, calculating an SOH score for the battery based on a reference value corresponding to the SOH and the SOH in a plurality of reference profiles, predicting a plurality of SOH of the battery during a target period, calculating a remaining useful life (RUL) score for the battery based on the plurality of SOH, and determining a safety score of the battery according to a safety class of the battery based on the battery information.
Resumen de: US2025224452A1
Techniques are provided for current collector diagnosis. In one embodiment, the techniques involve determining that a current is flowing through a current collector of the battery cell, generating a mechanical excitation to the current collector, determining an amplitude of the voltage across the battery cell based on the mechanical excitation, and determining a presence of a tear or a separation of a foil of the current collector based on the amplitude of the voltage across the battery cell.
Resumen de: US2025224368A1
A method for differential electrochemical mass spectrometry for online gas evolution of pouch cells includes supplying an inert carrier gas to a pouch cell, and supplying gas from the pouch cell to the intake of a differential electrochemical mass spectrometer. A system for continuous quantitative gas evolution monitoring in a pouch cell comprising a differential mass spectrometer, a supply of inert carrier gas, a conduit connected to the pouch cell for conducting inert carrier gas to the pouch cell; and a conduit connecting the pouch cell for conducting gas from the pouch cell to the differential mass spectrometer.
Resumen de: US2025224298A1
Various embodiments of the teachings herein include methods for determining the functional operability of a pressure sensor of a battery arrangement with a battery housing in a vehicle, wherein the pressure sensor generates a pressure signal corresponding to the pressure within the battery housing. An example includes: introducing a gas mixture into the battery housing from outside the battery housing for the purpose of increasing the pressure within the battery housing; and determining that the pressure sensor is functional if, after the process of introducing the gas mixture into the battery housing, the pressure signal of the pressure sensor indicates a pressure which exceeds a predetermined pressure threshold value; else determining that the pressure sensor is malfunctioning.
Resumen de: US2025226431A1
Aspects of the disclosure include ultraviolet-curable gluing reagents and methods of using the same for electrode stacking. An exemplary vehicle includes an electric motor and a battery pack electrically coupled to the electric motor. The battery pack includes a plurality of battery cells, each battery cell having an electrode stack. The electrode stack of each battery cell includes a plurality of battery foils separated by an insulated member in a stacked configuration that includes alternating battery foil and insulated member layers. The electrode stack of each battery cell further includes an ultraviolet-curable gluing reagent. The ultraviolet-curable gluing reagent is applied between the alternating battery foil and insulated member layers, thereby gluing the plurality of battery foils to the insulated member. The ultraviolet-curable gluing reagent includes a multifunctional acrylate crosslinking agent and an initiator.
Resumen de: US2025226422A1
The disclosure relates to a mesh for an electrode of a lead-acid battery, having a plurality of longitudinal ribs arranged spaced apart from one another in the transverse direction and having a plurality of transverse ribs arranged between two respective adjacent longitudinal ribs and connected thereto, which longitudinal and transverse ribs form a mesh pattern with open areas for receiving an active substance, wherein the longitudinal ribs have a first maximum width in the transverse direction at least in one section running in the longitudinal direction, which is formed in an optimised manner with respect to the total receiving volume provided by the open areas for receiving the active substance, wherein at least one further longitudinal rib is provided, which has a second, maximum width over its entire longitudinal extent in the transverse direction, said width exceeding the first, maximum width of the other longitudinal ribs.
Resumen de: US2025226452A1
Provided are a non-aqueous electrolyte, which includes an organic solvent containing ethylene carbonate, a non-solvent, and a lithium salt, wherein a degree of freedom A of the ethylene carbonate, which is represented by Equation (1), is 30% or less, and a lithium secondary battery including the same-:A={Pfree-EC/(Pfree-EC+PCoordination-EC)}×100 Equation (1):wherein in Equation (1), A is the degree of freedom of the ethylene carbonate, Pfree-EC is an integrated area of a graph which is obtained by deconvolution of a Raman spectrum of the electrolyte with a Gaussian function based on a peak at 893 cm−1, and PCoordination-EC is an integrated area of a graph which is obtained by deconvolution of the Raman spectrum of the electrolyte with a Gaussian function based on a peak at 903 cm−1.
Resumen de: US2025226462A1
A battery pack may include a housing with an interface couplable to an external device configured to perform a group of applications. A battery pack may further include a plurality of battery cells disposed within the housing and electrically connected to the interface, the battery cells including a cathode, an anode, and a separator. The plurality of battery cells is configured to provide power to the external device for a runtime. The plurality of battery cells is additionally configured to fully recharge within a charge time, and wherein the charge time is less than a sum of the runtime plus a rest time corresponding to the time taken to prepare a new application group.
Resumen de: US2025226464A1
Disclosed are a method of manufacturing an all-solid-state battery including a silicon-based anode active material, and methods of operating and testing an all-solid-state battery manufactured by the manufacturing method.
Resumen de: US2025226415A1
A negative electrode active material, a negative electrode including the same, a secondary battery including the same and a method for preparing a negative electrode active material are provided. The negative electrode active material comprises silicon-based particles comprising SiOx (0<x<2) and a lithium (Li) compound; a carbon layer provided on at least a part of a surface of the silicon-based particles; lithium fluoride (LiF); and carbon fluoride (CFa, 0<a<4), wherein a content (atomic percentage) of F is 10 at % or more and a content of Li is less than 10 at % according to a surface analysis of the negative electrode active material by X-ray photoelectron spectroscopy.
Resumen de: US2025226529A1
A ZnP2 coated separator as a barrier to restrict the polysulfide shuttling is provided. A ZnP2 coated separator have surface anchoring group to bind and catalyze sulfide conversion is also provided. Further, a process is provided for synthesizing the ZnP2 modified separator. Furthermore, an energy device with the coated separator is described.
Resumen de: US2025227859A1
A module for providing power to a battery-operated device having a body in which is formed a battery compartment and a cover having one or more first elements cooperable with one or more second elements provided to the body for releasably positioning the cover over the battery compartment. The module has an energy-generating surface, an energy storage device coupled to the energy-generating surface, and a storage device cover positionable over the energy-generating surface. The storage device cover has one or more third elements cooperable with the one or more second elements provided to the body for releasably positioning the module cover over the battery compartment when the energy storage device is positioned within the battery compartment in engagement with one or more electrical contacts positioned within the battery compartment.
Resumen de: US2025227847A1
The present invention relates to a printed circuit board for a battery pack capable of measuring temperature and a method for manufacturing same. The printed circuit board for a battery pack according to the present invention, capable of measuring temperature and provided in a battery pack including a plurality of secondary batteries, includes: a film; a conductive pattern provided on a first portion of the film; and a temperature sensor provided on a second portion of the film and configured to measure the temperature inside the battery pack.
Resumen de: US2025226774A1
A stand-alone motor unit for use with a piece of power equipment includes a housing and a flange coupled to the housing on a first side thereof. A plurality of apertures through the flange defines a first bolt pattern that matches an identical, second bolt pattern defined in the piece of power equipment. An electric motor has a power output of at least about 2760 W. The motor includes a stator having a nominal outer diameter of up to about 80 mm and a rotor supported for rotation within the stator. A power take-off shaft receives torque from the rotor and protrudes from one of the flange or a second side of the housing. A controller is positioned within the housing and electrically connected to the motor. A battery pack for powering the motor has battery cells having a nominal voltage of up to about 80 V.
Resumen de: US2025224322A1
A battery pack is capable of sensing the generation of a gas using Mie scattering, whereby it is possible to rapidly detect abnormality of the battery pack. In addition, whether a battery is abnormal is determined in consideration of a gas generation time as well as the generation of the gas, whereby it is possible to rapidly detect whether the battery is abnormal.
Resumen de: US2025226793A1
A foldable solar panel including at least two solar modules mounted to a substrate. The foldable solar panel includes hook and loop tape to secure the foldable solar panel in the folded configuration. The foldable solar panel includes at least two straps and at least two horizontal rows of webbing operable to attach the foldable solar panel to a load-bearing platform. The foldable solar panel does not include a controller. The foldable solar panel is operable to charge a battery faster than previously known in the art.
Resumen de: US2025226451A1
A lithium-ion battery including a novel electrolyte and the like is provided. The lithium-ion battery includes a positive electrode active material containing nickel, cobalt, and manganese, and an electrolyte containing a fluorinated cyclic carbonate and a fluorinated chain carbonate. A discharge capacity value obtained by placing a half cell including the positive electrode active material and the electrolyte at an ambient temperature of 25° C., performing constant current charging at a rate of 0.1 C until a voltage of 4.5 V, performing constant voltage charging at 4.5 V until a current value of 0.05 C, placing the half cell at an ambient temperature of −40° C., and performing constant current discharging at the rate of 0.1 C until a voltage of 2.5 V satisfies greater than or equal to 50% of a discharge capacity value obtained by placing the half cell at the ambient temperature of 25° C.
Resumen de: US2025226420A1
An electrode body includes an active material layer including an electrode active material and an electrolytic solution, an electrode conductor including (i) a first region where the active material layer is located and (ii) a second region being a region different from the first region and being a region to which a connection terminal can be electrically connected, and a resistance portion of the electrode conductor, the resistance portion being located closer to a side of the second region than the first region, the resistance portion exhibiting a higher resistance than the first region with respect to movement of the electrolytic solution along a surface of the electrode conductor.
Resumen de: US2025226472A1
Systems and methods are provided herein for disassembling a battery system. Further, systems and methods are provided herein for a battery apparatus configured for disassembly of a battery system. In addition, systems and methods are provided herein for preparing a battery system including a first plurality of members bonded with a first adhesive and a second plurality of members bonded with a second adhesive for disassembly of the battery system.
Resumen de: US2025226468A1
The internal temperature distribution of a battery cell is assessed by acquiring lithium content at different positions on a negative electrode plate of a target battery cell and a corresponding test environment temperature and determining lithium intercalation reaction rate ratios at different positions based on the lithium content at different positions on the negative electrode plate. Temperature values at different positions on the negative electrode plate are calculated based on the lithium intercalation reaction rate ratios at different positions on the negative electrode plate and the test environment temperature. An internal temperature distribution assessment result of the target battery cell is determined based on the temperature values at different positions on the negative electrode plate. Temperature gradients at different positions can be calculated by measuring the lithium content on a lithium-intercalated negative electrode plate, so that the internal temperature distribution assessment result of the battery cell can be obtained.
Resumen de: US2025226461A1
A control container configured to be connected to an external electrical system and at least one of power conversion system (PCS) including a DC unit having a DC line and configured to receive DC power from the PCS through the DC line, an AC unit having an AC line and configured to receive AC power from the external electrical system through the AC line, and a main controller connected to the AC unit and configured to receive a power from the external electrical system through the AC line.
Resumen de: US2025226681A1
The invention relates to a method for putting at least one energy-storage module into operation, which energy-storage module is preferably intended for a vehicle and comprises a multilevel converter system, in which method multiple energy-storage modules and transistors are provided, wherein each energy-storage module can be connected in parallel with or connected in series with the adjacent energy-storage module and/or can bypass the adjacent energy-storage module and comprises at least one energy-storage cell, and the energy-storage modules, preferably the transistors, are connected in such a way that formation and/or aging is carried out during storage, transport to the vehicle and/or after installation in the vehicle.
Resumen de: US2025226682A1
An electricity storage system according to the present disclosure includes a detector, a determiner, and a charging controller. The charging controller sets, when the determiner determines, based on a result of detection by the detector, the degree of deterioration of the electrical storage unit to be a first level, a charge voltage, with which a charge circuit charges the electrical storage unit, at a first voltage. The charging controller sets, when the determiner determines the degree of deterioration to be a second level indicating more significant deterioration than the first level, the charge voltage at a second voltage higher than the first voltage. The charging controller sets, when the determiner determines the degree of deterioration to be a third level indicating more significant deterioration than the second level, the charge voltage at a third voltage higher than the second voltage.
Resumen de: US2025226673A1
A battery package is provided. The battery package includes a battery, at least one terminal coupled to an antenna, a single wire interface configured to communicate with a processor and coupled to the at least one terminal, a battery authentication circuit arranged on the battery, a choke inductor coupled to the single wire interface, and a clamping transistor circuit including a clamping transistor and coupled to the choke inductor and configured to clamp a voltage applied to the single wire interface to an operating voltage of the battery authentication circuit.
Resumen de: US2025226679A1
An electronic device and method are disclosed, including a first and second battery, a first and second fuel gauge, and a processor. The processor implements the method, including: determining capacity ratios of the first and second batteries based at least on absolute capacities of the first and second batteries, as identified via the first and second fuel gauges, respectively, calculating a residual capacity of the first battery and a residual capacity of the second battery based on at least one of the determined capacity ratios and the obtained states of the first and second battery, respectively, and outputting the calculated residual capacity of the first battery and the calculated residual capacity of the second battery.
Resumen de: US2025226672A1
An apparatus for setting a battery pack identifier of a battery pack, the apparatus comprising: a first supply configured to supply a power source voltage through a first pin; a second supply configured to supply a ground voltage through a second pin; a plurality of analog-to-digital converters having an input pin and an output pin, and configured to transmit a voltage corresponding to a voltage input through the input pin to the output pin; a plurality of jumper wiring configured to connect input pins of the plurality of analog-to-digital converters with the first pin or the second pin, respectively; and a controller configured to set the battery pack identifier of the battery pack based on the voltages received through the output pin of each of the plurality of analog-to-digital converters.
Resumen de: US2025226460A1
Discussed is a management apparatus that can include a heating unit including a heater configured to heat a plurality of battery units, an obtaining unit configured to obtain temperature information of a plurality of battery management systems (BMSs) respectively included in the plurality of battery units, and a controller configured to match a plurality of first identification information of the plurality of battery units to a plurality of second identification information of the plurality of BMSs, based on the temperature information of the plurality of BMSs and heating information of the heater.
Resumen de: US2025226418A1
An electrode plate includes: a base layer; a current collecting layer including: a first conductive layer; and a second conductive layer respectively on upper and lower surfaces of the base layer; and an electrode plate layer on at least one surface of the current collecting layer, wherein the current collecting layer includes: a current collecting portion where the electrode plate layer is on at least one surface; an extending portion extending outward from the current collecting portion; and a curved portion connected to the extending portion and having a portion that is bent.
Resumen de: US2025226467A1
A battery pack may be provided. The battery pack may include battery modules arranged along rows and columns, slave battery management systems (BMSs) respectively between adjacent ones of the battery modules in the rows of the battery modules, configured to detect status information of the adjacent ones of the battery modules, and at different respective heights, and a master BMS configured to receive status information of the battery modules through wireless optical communication with the slave BMSs.
Resumen de: US2025226388A1
A rechargeable lithium battery including a positive electrode including a positive electrode active material, the positive electrode active material including a first positive electrode active material that includes a layered lithium nickel-manganese-based composite oxide and is in a form of secondary particles formed, the secondary particles including a plurality of primary particles, and an average particle diameter (D50) of the secondary particles is about 10 μm to about 25 μm, and a second positive electrode active material that includes a layered lithium nickel-cobalt-based composite oxide and is in a form of single particles, and an average particle diameter (D50) of the single particles is about 0.5 μm to about 8 μm.
Resumen de: US2025226470A1
A rechargeable battery cell a casing and first and second electrode materials separately positioned in the casing. A mechanical impulse element is positioned to mechanically move and dislodge gas bubbles from at least one of the first and second electrode materials in response to activation. In some embodiments the mechanical impulse element can include a vibratory piezoelectric element. In other embodiments, a gas vent in the battery cell can be used to release dislodged gas bubbles.
Resumen de: US2025226419A1
Provided is an electrode plate including an electrode plate layer, a current collector layer including a base layer, a first conductive layer and a second conductive layer respectively on an upper surface of the base layer and a lower surface of the base layer, a current collector part having at least one surface on which the electrode plate layer is located, an extension part extending outwardly from the current collector part, and a bent part connected to the extension part, and bent twice or more for the first conductive layer to contact the second conductive layer.
Resumen de: WO2025145632A1
Provided in the present application are a strip material detection device, a winding apparatus, and a method for manufacturing an electrode assembly. The strip material detection device comprises a mounting frame, a first roller, a second roller, and a detection component, wherein the first roller is connected to the mounting frame and is rotatable about a first axis. The second roller is connected to the mounting frame and is rotatable about a second axis; the first axis is parallel to the second axis; a passage for a strip material to pass through is formed between the first roller and the second roller; and the second roller is movable close to or away from the first roller in a first direction. The detection component is configured to detect the displacement of the second roller in the first direction.
Resumen de: WO2025145690A1
A secondary battery and a preparation method therefor, and an electric device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, a gel electrolyte, and a solid electrolyte membrane which is of a through hole-free structure; the solid electrolyte membrane is located between the positive electrode sheet and the negative electrode sheet; the positive electrode sheet comprises a positive electrode active material layer; the gel electrolyte is at least located between the positive electrode active material layer and the solid electrolyte membrane and in pores of the positive electrode active material layer; and the gel electrolyte comprises a nitrile additive. In this way, the high-temperature storage performance and the cycle performance of the secondary battery are effectively improved.
Resumen de: WO2025145692A1
A secondary battery and a preparation method therefor, and an electric device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, an electrolyte solution, a gel electrolyte, and a separator that is arranged between the positive electrode sheet and the negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode active material layer; the gel electrolyte is at least located between the negative electrode active material layer and the separator and within pores in both the negative electrode active material layer and the separator; and the electrolyte solution contains a nitrile additive. Therefore, the high-temperature storage performance and cycling performance of a secondary battery are effectively improved.
Resumen de: WO2025145662A1
Provided in the embodiments of the present disclosure are a thermal management assembly, a battery box, a battery and an electric device. The thermal management assembly comprises a flow channel plate, an energy absorption member and a plurality of current collectors, wherein the flow channel plate is configured to convey fluid to perform heat exchange with battery cells; the current collectors are connected to the flow channel plate; and the energy absorption member is arranged on the sides of the current collectors away from the flow channel plate, and the energy absorption member comprises a force bearing portion and a deformation portion, the force bearing portion being located at the end of the deformation portion away from the current collectors, and the rigidity of the deformation portion being smaller than that of the force bearing portion.
Resumen de: US2025226676A1
A charger and charging method for a battery pack are provided. The charger comprises a switch provided on a charging loop of a power supply, and a control circuit for controlling on/off of the switch; wherein a first terminal of the control circuit is connected to the switch, and a second terminal of the control circuit is configured to be connected to a discharge terminal of the battery pack; the battery pack supplies power to the control circuit when the discharge terminal of the battery pack is connected to the second terminal of the control circuit; and the control circuit, when being energized, controls to close the switch to complete the charging loop.
Resumen de: US2025226686A1
A power control circuit may include: a switch; a communication interface; a signal detector configured to output a wake-up signal based on a first signal; a controller configured to control the switch to transmit power from a power source to a first power circuit of an electronic device, based on a second signal obtained through the communication interface; and a second power circuit configured to transmit power to the controller and the communication interface, based on the wake-up signal output from the signal detector.
Resumen de: US2025226677A1
Systems, methods, and articles for a wearable and lightweight portable power case are disclosed. The portable power case is comprised of a cylindrical housing, at least two battery elements connected to a printed circuit board (PCB), and at least one separating barrier between the at least two batteries and the PCB. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, a tablet, a portable satellite dish and/or any other power consuming device. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and/or generators.
Resumen de: US2025226755A1
An electrical-energy storage device for storing electrical energy for use as a power source includes: a conductive or semi-conductive first metasurface layer; a conductive or semi-conductive second metasurface layer; and a dielectric layer sandwiched between the first and the second metasurface layers for electrically insulating the first metasurface layer from the second metasurface layer.
Resumen de: US2025226675A1
An energy storage system includes a housing, a bank including a plurality of energy storage devices connected in series, and a protection unit to open and close a power line of the bank. A plurality of the banks are housed in the housing, and a plurality of the protection units respectively provided for the plurality of banks are housed in the housing.
Resumen de: US2025226756A1
A method of fabricating an electrical-energy storage device includes: depositing a first conductive layer onto a substrate; spin-coating a photoresist layer onto the conductive layer; applying a mask to the photoresist layer and exposing the masked photoresist layer under a light, the mask having a predefined pattern; removing the un-exposed part of the photoresist layer with development; depositing a first conductive material to the photoresist layer for allowing the conductive material to fill the removed part of the photoresist layer; dissolving the photoresist layer for forming a first set of conductive structures; depositing a layer of a dielectric material to the deposited first conductive material for forming a dielectric layer thereon; depositing a second conductive material to the dielectric layer forming a second set of structures, and electroplating a third conductive material to the second set of structures.
Resumen de: US2025226384A1
A negative current collector, the preparation method of the negative current collector, a positive electrode plate, a secondary battery and an electrical device are described. The negative current collector includes a substrate and a lithium alloy, where the lithium alloy is disposed on a surface of the substrate, and the lithium alloy includes lithium and a matrix material, an atomic ratio of lithium in the lithium alloy is 30% to 50%, and a plating amount of the lithium alloy is 2/m2 to 3/m2. During the charging process of the secondary battery, lithium atoms can be oxidized into lithium ions and enter an electrolyte solution to supplement lithium consumed for forming a solid electrolyte interphase (SEI) on a negative electrode of a lithium-ion battery, which helps to improve the quality of the SEI, thereby improving an first-cycle Coulombic efficiency of the secondary battery.
Resumen de: US2025226399A1
A negative electrode plate and an electrode assembly, a battery cell, a battery, and an electric apparatus containing the same are provided. The negative electrode plate (10) includes: a negative electrode current collector, having a first surface (10a) and a second surface (10b) opposite each other in a thickness direction of the negative electrode current collector; a first negative electrode film layer located on the first surface side, the first negative electrode film layer including first silicon-based negative electrode active material particles; and a second negative electrode film layer located on the second surface side, the second negative electrode film layer including second silicon-based negative electrode active material particles; where a capacity C1 per unit area of the first negative electrode film layer and a capacity C2 per unit area of the second negative electrode film layer satisfy: 0.005 mAh/mm2≤C2
Resumen de: US2025226383A1
Electrodes and rechargeable lithium batteries including the same are provided. The electrode comprises a current collector, and a multiple active material layer on the current collector. The multiple active material layer includes a first electrode mixture layer on the current collector, a second electrode mixture layer on the first electrode mixture layer, and a third electrode mixture layer on the second electrode mixture layer. Each of the first, second, and third electrode mixture layers includes an electrode active material and a binder. The first, second, and third electrode mixture layers have different binder amounts. A first thickness of the first electrode mixture layer is less than a second thickness of the second electrode mixture layer. The first thickness is less than a third thickness of the third electrode mixture layer.
Resumen de: US2025226395A1
An anode-solid electrolyte subassembly includes an anode current collector, an anode active material layer disposed on the anode current collector, and a solid electrolyte disposed on the anode active material layer. The anode active material layer includes a first anode active material layer contacting the solid electrolyte, and a second anode active material layer contacting the anode current collector. The first anode active material layer includes a first anode active material containing: a mixture/composite of a carbon and one or more first elements selected from metals and metalloids, and the second anode active material layer includes a second anode active material containing: a mixture/composite of a carbon and one or more second elements selected from metals and metalloids, wherein the amount of the first elements is more than the amount of the second elements, and the amount of the first elements is about 25 wt % to about 80 wt % with respect to the total weight of the first anode active material.
Resumen de: WO2025145516A1
The present application provides a battery module, comprising a battery cell and a heat dissipation pressure relief piece. The heat dissipation pressure relief piece has a liquid cooling separation part and a smoke exhaust pressure relief part; the smoke exhaust pressure relief part is provided with a pressure relief channel and an exhaust port leading to the pressure relief channel, the liquid cooling separation part being located on a side of the pressure relief channel and vertically connected to the smoke exhaust pressure relief part; an explosion-proof valve of the battery cell is arranged corresponding to the exhaust port, and the battery cell exchanges heat with the liquid cooling separation part. In addition, further provided is a battery pack using the battery module.
Resumen de: WO2025145614A1
Provided in the present application is a cell formation method, comprising the following steps: dividing cells into a control sample cell and a cell to be tested; subjecting the control sample cell to electrolyte filling and standing, then performing formation with an injection port being in an open state, and on the basis of the amount of gas generated during the formation process of the control sample cell and the charging SOC of the control sample cell, constructing a gas production curve of formation; dividing the obtained curve into three consecutive segments, wherein the cumulative amount of gas generated during the formation process corresponding to a first segment of the curve accounts for 1% of the total gas amount of the formation process, the cumulative amount of gas generated during the formation process corresponding to a third segment of said curve accounts for 1% of the total gas amount of the formation process, the charging SOC of the cell corresponding to a connection point between the first segment of said curve and a second segment of said curve is taken as a gas production initial SOC, and the charging SOC of the cell corresponding to a connection point between the second segment of said curve and the third segment of said curve is taken as a gas production cutoff SOC; and on the basis of the gas production charging SOC and the gas production cutoff SOC, performing formation on the cell to be tested that has been subjected to electrolyte filling and standi
Resumen de: WO2025145608A1
A welding testing system and a defect detection method. The welding testing system comprises a welding mechanism and a first testing mechanism (1); the welding mechanism is used for welding a casing and a top cover of a battery cell (01) together; the first testing mechanism (1) is arranged downstream of the welding mechanism; the first testing mechanism (1) comprises a support assembly (11), a planar imaging assembly (12), and a processing assembly; the planar imaging assembly (12) is mounted to the support assembly (11); the planar imaging assembly (12) is used for capturing a planar image at a welding pass; and the processing assembly is used for acquiring the planar image and determining, on the basis of the planar image, whether the welding pass is standard-compliant. The planar imaging assembly (12) comprises imaging units (121); each imaging unit (121) comprises a camera (1211) and a reflective mirror (123); the camera (1211) and the testing position of the first testing mechanism (1) are located on the same side of the reflective mirror (123); a lens of the camera (1211) faces the reflective mirror (123); and when the battery cell (01) is located at the testing position, the camera (1211) captures an image of the welding pass reflected by the reflective mirror (123).
Resumen de: US2025226674A1
The present disclosure relates to an apparatus and a method for discharging a battery. An apparatus for discharging a battery according to embodiments includes a discharger, a first switch connected between the discharger and the battery, and a charge pump that includes a first capacitor, that is configured to charge the first capacitor with an electric energy charged in the battery when a first control signal indicating a normal state is input, and that is configured to connect the discharger and the battery by operating the first switch with an electric energy charged in the first capacitor when a second control signal indicating an occurrence of a fire event is input.
Resumen de: US2025226541A1
A battery cell assembly includes a cell assembly, a holder, and N conducting sheets. The cell assembly includes M cells stacked along a first direction. Each cell includes a cell housing, an electrode terminal, and an electrode assembly disposed within the cell housing. The electrode terminal is connected to the electrode assembly and extends out of the cell housing. A welding part is provided on a portion of the electrode terminal located outside the cell housing. Along the first direction, a projection of the welding part of the each cell is spaced apart from a projection of the welding part of an adjacent cell. The N conducting sheets are spaced apart within the holder. At least a portion of each conducting sheet is exposed through the holder. The electrode terminals pass through the holder. The welding part is connected to the portion of the conducting sheet exposed through the holder.
Resumen de: US2025226501A1
An energy storage apparatus, belonging to the technical field of energy storage apparatuses is described. The energy storage apparatus comprises an energy storage box body and a plurality of batteries, the energy storage box body having a battery compartment, and the battery compartment having an opening in a first direction; the plurality of batteries being provided within the battery compartment, and one battery being arranged in the battery compartment along the first direction. The energy storage apparatus according to the embodiments of the present application has high energy density.
Resumen de: US2025226490A1
The present disclosure relates to a cylindrical battery, specifically to a cylindrical battery having an electrode assembly and a battery case including an electrode assembly accommodation part, and more specifically to a cylindrical secondary battery having a jelly-roll type electrode assembly with an outer circumferential tab structure and a battery case including a protrusion part provided on at least a portion of an electrode assembly accommodation part.
Resumen de: US2025226524A1
This application provides an exhaust assembly, a battery pack, and an electrical device. The exhaust assembly includes an exhaust portion, a connecting portion, and a sealing structure. The exhaust portion is configured to receive emissions from a battery cell. The exhaust assembly is connected to a box of the battery pack by the connecting portion. The sealing structure is disposed at a junction between the connecting portion and the box. In this application, high-temperature and high-pressure gases and conductive particles expelled from a thermally runaway battery cell can enter the exhaust portion and be directionally expelled out of the battery pack through the exhaust portion. The connecting portion may be connected to the box of the battery pack by a connecting piece such as a bolt. The sealing structure can seal a gap at a junction between the connecting portion and the box.
Resumen de: US2025226545A1
An energy-storage device and an electricity-consumption apparatus are provided. The energy-storage device includes an electrode assembly, a tab, a connector, and a lower plastic assembly. One end of the tab is connected to the electrode assembly, and the tab extends in a bent manner. The connector is connected to another end of the tab. The lower plastic assembly has a first surface and a second surface opposite the first surface. The first surface faces towards the tab. The connector is located between the lower plastic assembly and the electrode assembly. An avoidance recess is defined in the first surface. The avoidance recess is located at an edge of the lower plastic assembly in a width direction of the lower plastic assembly and extends in a length direction of the lower plastic assembly.
Resumen de: US2025226511A1
A battery pack includes a battery housing; a battery module disposed in the battery housing, where the battery module includes multiple battery cells, and at least one of the battery cells is a solid-state battery; and a control circuit disposed in the battery housing and configured to use the battery module to supply the electric power to the power tool. The energy W of the battery pack and the volume V1 of the battery pack satisfy the following: when the energy W is greater than or equal to 200 Wh, the volume V1 is less than or equal to 400 cm3; or when the energy W is greater than or equal to 300 Wh, the volume V1 is less than or equal to 800 cm3; or when the energy W is greater than or equal to 700 Wh, the volume V1 is less than or equal to 2500 cm3.
Resumen de: US2025226543A1
A battery pack includes a plurality of battery modules including a first battery module and a second battery module; and a busbar electrically connecting the first battery module and the second battery module, wherein the first battery module or the second battery module includes a vent hole in a portion corresponding to a portion of the busbar.
Resumen de: US2025226553A1
A rechargeable battery module includes: a busbar holder configured to cover a plurality of battery cells; a flexible printed circuit (FPC) configured to transmit a signal corresponding to a detected temperature of at least one of the battery cells from a temperature sensor mounted on the busbar holder; a temperature sensing tab including a sensor connection portion at a first side that is connected to the temperature sensor and a cell contact portion at a second side that is coupled to the busbar holder and in contact with the one of the battery cells; and an elastic member coupled to the cell contact portion and configured to elastically pressurize the cell contact portion onto the one of the battery cells.
Resumen de: US2025226533A1
A separator, a battery including the separator, and an electric apparatus including the battery. The separator includes a separator substrate, and the separator substrate satisfies at least one of the following conditions: the separator substrate includes a reinforced fiber layer; and at least one side surface of the separator substrate has a reinforced coating layer.
Resumen de: US2025226495A1
Provided are a cell battery, a battery pack, and an electrical device. The cell battery includes: a housing; a first end cover provided at an end of the housing, the first end cover including a first base cover and a first explosion-proof valve mounted at the first base cover, and a second end cover provided at the other end of the housing, the second end cover including a second base cover and a second explosion-proof valve mounted at the second base cover.
Resumen de: WO2025145578A1
The present application provides a stacking device, a stacking system, and a stacking method. The stacking device comprises a separator unwinding mechanism and a stacking apparatus, and the separator unwinding mechanism is provided with an output part for outputting a separator. The stacking apparatus comprises a stacking platform for receiving the separator, the stacking platform has a first stacking position and a second stacking position in a first direction, the stacking platform is used for receiving a first electrode sheet at the first stacking position, and the stacking platform is used for receiving a second electrode sheet at the second stacking position. The polarities of the first electrode sheet and the second electrode sheet are opposite. The output part has a first output position and a second output position in the first direction, and the output part and the stacking platform can move in opposite directions. The output part is configured to switch between the second output position and the first output position when the stacking platform switches between the first stacking position and the second stacking position. The stacking device can adjust the relative position of the output part and the stacking platform more quickly, thereby reducing the movement time and stroke of the stacking platform, and improving the stacking efficiency.
Resumen de: WO2025145577A1
A battery cell (10), a battery (100), and an electrical apparatus. The electrical apparatus comprises the battery cell (10) or the battery (100); the battery (100) comprises the battery cell (10); the battery cell (10) comprises an electrode assembly (11), a casing assembly (12), a first pressure relief mechanism (16), an electrode terminal (13), an adapter piece (14), and a limiting structure (15); the casing assembly (12) is provided with a first component (121) and a second component (122) that are arranged opposite to each other; the electrode assembly (11) is arranged between the first component (121) and the second component (122), and the first component (121) and the electrode assembly (11) are spaced apart to form a first exhaust space (101); the first pressure relief mechanism (16) is arranged on the first component (121) and is communicated with the first exhaust space (101); the electrode terminal (13) is arranged on the second component (122); the adapter piece (14) is conductively connected to the electrode assembly (11) and the electrode terminal (13); the limiting structure (15) is connected to the second component (122) and is used for limiting the adapter piece (14) in a direction away from the first component (121). The adapter piece (14) is limited by the limiting structure (15) in the direction away from the first component (121), so that the problem that the electrode assembly (11) collapses towards the first component (121) can be mitigated, thereby imp
Resumen de: WO2025145565A1
An electrolyte of a lithium metal battery, a lithium metal battery, a battery, and an electrical apparatus. The electrolyte of the lithium metal battery comprises a main solvent, a diluent, and a lithium salt; the molar concentration of the lithium salt is 1 mol/L to 4 mol/L, and the viscosity of the electrolyte is less than or equal to 5.5 mPa⋅s. The cycle performance of the lithium metal battery can be improved.
Resumen de: US2025226527A1
Embodiments of the present disclosure relate to a battery assembly including a plurality of battery cells stacked and arranged in one direction, an accommodating case accommodating the plurality of battery cells, an insertion space formed between the plurality of battery cells and the accommodating case, and an insertion member including a first region tapered toward one end and positioned in the insertion space, and an assembling method of the same.
Resumen de: US2025226518A1
A battery cell having a housing, which has a cover surface, a bottom surface and at least one lateral surface, and an auxiliary device which is at least partially arranged on the lateral surface and the bottom surface, are described. The housing has a recess at the bottom surface, and the auxiliary device completely covers the recess. Also described are an energy store and a method for venting a battery cell.
Resumen de: US2025226556A1
A battery pack includes a battery module including battery cells, and busbars electrically connecting respective ones of the battery cells, and a circuit board connected to the battery module, and including a first part including wires, and extending in a length direction of the battery module, second parts extending from the first part in a direction crossing the first part, and including a circuit pattern including a fuse pattern configured to be opened based on an abnormal current, and a non-fuse pattern configured to maintain electrical connection with one or more of the busbars, and third parts respectively extending from the second parts, and connected to the busbars.
Resumen de: US2025226539A1
A rechargeable battery module includes a bus bar holder covering battery cells; a bus bar on the bus bar holder to electrically connect the battery cells; and a flexible printed circuit on the bus bar holder to transmit a signal that detects a voltage of the battery cell connected to the bus bar. The bus bar includes an extension portion protruding in one direction, and the flexible printed circuit includes a main body portion, a branch portion extending from the main body portion, and an expansion portion having an expanded area on the branch portion that is soldered to the extension portion.
Resumen de: US2025226532A1
An electrode structure for use in an energy storage device, the electrode structure comprising a population of electrodes, a population of counter-electrodes, and an electrically insulating material.
Resumen de: US2025226499A1
A battery pack vehicle includes a tray, a battery core module, and a liquid cooling plate. The tray includes a tray bottom plate connected with tray side beams to form an accommodating space. The battery core module is disposed in the accommodating space and includes battery cores. Each battery core has a first explosion-proof valve. The liquid cooling plate is disposed on the tray bottom plate and between the battery core module and the tray bottom plate, and includes through holes extending through the liquid cooling plate. The battery core module is in contact with a first surface of the liquid cooling plate, and the first explosion-proof valves respectively corresponds to the through holes. The first channel disposed between a second surface of the liquid cooling plate and the tray bottom plate, and each tray side beam includes a second channel being in communication with the first channel.
Resumen de: US2025226540A1
A battery pack includes a cell assembly and a connecting member. The cell assembly includes M cells stacked along a first direction. Each cell includes a cell housing, an electrode terminal, and an electrode assembly disposed within the cell housing. The connecting member includes N conductive sheets spaced apart. The electrode terminal is connected to the conductive sheet. Electrode terminals of adjacent cells are arranged in a non-overlapping manner in the first direction, reducing the risk of short circuits between adjacent electrode terminals. The electrode terminal is connected to the electrode assembly and extends out from the cell housing. Along the first direction, a projection of a portion, located outside the cell housing, of an electrode terminal of any one of the cells is separated from a projection of a portion, located outside the cell housing, of an electrode terminal of an adjacent cell in a second direction.
Resumen de: US2025226508A1
A battery tray assembly includes a tray and an electrically conductive member. The tray includes a mounting space and a detection port, the mounting space is configured to accommodate a battery module, and the tray is configured to be insulated from the battery module. The electrically conductive member is electrically connected to a potential point, at least a first part of the electrically conductive member is disposed inside the tray, and at least a second part of the electrically conductive member is exposed from the detection port and configured to detect whether an electrically conductive medium is present in the detection port.
Resumen de: US2025226453A1
A method for manufacturing an all-solid-state battery capable of suppressing a short phenomenon occurring at a lateral portion during battery operation by laminating each of the unit cells after isostatic pressurization is provided. The method of manufacturing an all-solid-state battery includes the steps of a) sequentially laminating a solid electrolyte and a positive electrode on one side or both sides of a negative electrode to form a monocell or bicell; b) isostatically pressurizing the monocell or bicell; and c) laminating two or more of the isostatically pressurized monocells or bicells with a positive electrode current collector interposed therebetween, thereby contacting both sides of the interposed positive electrode current collector with the positive electrodes.
Resumen de: US2025226493A1
A battery pack includes a battery cell and a pouch accommodating the battery cell. The pouch includes a terrace extending in a first direction in which an electrode of the battery cell is drawn out. The pouch also includes a substrate including a protection element on a first surface configured to control charging and discharging of the battery cell. A second surface opposing the first surface is opposite to a module seating surface of the terrace. The pouch also includes a molding portion covering the protection element on the first surface, and a support between the molding portion and the substrate and configured to support the substrate.
Resumen de: US2025226486A1
A fluid collector applied to a thermal management assembly of a battery includes a housing and a separation portion. The housing has a fluid collecting chamber, where the fluid collecting chamber is configured to be connected to a plurality of heat exchange channels in the thermal management assembly. The separation portion is provided on the housing to partition the fluid collecting chamber into a plurality of concave cavities. The plurality of heat exchange channels are connected in series and communicate with each other through the plurality of concave cavities.
Resumen de: WO2025145370A1
The present invention relates to a secondary battery and a manufacturing method therefor, and an electric device. The secondary battery comprises a negative electrode sheet and a gel electrolyte; the negative electrode sheet contains a negative electrode active material; the negative electrode active material comprises a carbon-containing material; the gel electrolyte comprises a polymer, an organic solvent, and an electrolyte salt; the organic solvent comprises one or more of an ether-based organic solvent, a sulfone-based organic solvent, a phosphate-based organic solvent, and a carbonate-based organic solvent; the polymer comprises one or more of a carbon-oxygen double bond and a carbon-oxygen single bond; and the mass ratio of the polymer in the gel electrolyte is 0.5%-38%.
Resumen de: WO2025145397A1
The present invention belongs to the technical field of lithium iron phosphate positive electrode materials. Disclosed are a lithium iron phosphate positive electrode material, and a preparation method therefor and the use thereof. The lithium iron phosphate positive electrode material comprises small lithium iron phosphate particles and large lithium iron phosphate particles, wherein gaps among the large lithium iron phosphate particles are filled with at least a portion of the small lithium iron phosphate particles, and crystal lattices of the lithium iron phosphate small particles are doped with Ti. The lithium iron phosphate positive electrode material has a relatively high compaction density, which is beneficial for improving the discharge capacity and coulombic efficiency of the material. The preparation method therefor comprises: mixing a first slurry for forming large lithium iron phosphate particles with a second slurry for forming small lithium iron phosphate particles, and drying and sintering the resulting mixture. The lithium iron phosphate positive electrode material can be further used for preparing a battery.
Resumen de: WO2025145342A1
The present application discloses a battery and an electric device. The battery comprises a case, a heat exchange assembly, and at least one battery cell; the case comprises a plurality of first side beams, and the plurality of first side beams are connected to define a first accommodating cavity; the at least one battery cell is located in the first accommodating cavity; the heat exchange assembly is located in the first accommodating cavity, and comprises at least one heat exchange piece used for exchanging heat with the battery cell; and an accommodating slot is formed in at least one first side beam, and the at least one heat exchange piece is at least partially accommodated in the accommodating slot. In this way, the internal space of the case is saved, the space utilization rate of the battery is improved, and the structural compactness of the battery is improved, thereby improving the volumetric energy density of the battery.
Resumen de: US2025226552A1
A fixing structure of an electrode includes a battery housing having a bottom with a perforation hole; an electrode terminal fixed to the bottom; and a terminal gasket interposed between the electrode terminal and the bottom. The electrode terminal includes a neck portion inserted into the perforation hole; a head portion connected to one end of the neck portion and having a cross section larger than the cross section of the perforation hole and extending along one surface of the bottom; a protrusion connected to the other end of the neck portion and extending along an axial direction of the battery housing from the other surface of the bottom; a diameter-enlarged portion configured to extend in a centrifugal direction from the protrusion; and a front end surface at an axial end of the protrusion. The diameter-enlarged portion may be a fastening member at an outer circumference of the protrusion.
Resumen de: US2025226487A1
A cooling module is disclosed. A cooling module according to an aspect of the present disclosure comprises a heat dissipation part which is coupled to an external busbar and receives heat from the busbar, and a pipe part which is coupled to the heat dissipation part and inside which a heat transfer medium that receives the heat flows, wherein the heat dissipation part may comprise: a heat dissipation body formed to extend in one direction; a pipe coupling part which extends along the one direction inside the heat dissipation body and of which each end in the one direction is formed to be open so that the pipe part is coupled by penetrating therethrough; and a busbar coupling part which is positioned adjacent to the pipe coupling part and to which the busbar is coupled.
Resumen de: US2025226554A1
A power supply includes a housing having a plurality of walls, a power component arranged in the housing, a first electrical connector connected to the power component, a second electrical connector connected to the power component, an electric circuit defined between the first electrical connector, the second electrical connector, and the power component, and a manual disconnect device (MSD) including a pyro fuse connected in the electric circuit, the MSD being provided on the housing and being configured to create an open in the electric circuit.
Resumen de: US2025226497A1
A tripod system includes a tripod having a center column, a plurality of legs coupled to the center column, a battery receptacle supported by the center column, and a head supported by the center column. The battery receptacle is configured to receive a battery pack such that the battery pack provides power to the tripod. The tripod system also includes a luminaire removably coupled to the head such that the luminaire is configured to be electrically powered by the battery pack through the tripod. The luminaire is removable from the head and configured to be coupled directly to the battery pack such that the battery pack is secured to the luminaire and provides power to the luminaire. The head is pivotally coupled to an end of the center column.
Resumen de: US2025226523A1
A battery module and a battery pack employing the battery module are provided. The battery module includes a cell and a heat-dissipation and pressure-relief component. The heat-dissipation and pressure-relief component is provided with a liquid-cooling partition and a smoke-exhaust and pressure-relief portion. The smoke-exhaust and pressure-relief portion is provided with a pressure-relief channel and an exhaust port communicating with the pressure-relief channel. The liquid-cooling partition is arranged at one side of the pressure-relief channel and is vertically connected to the smoke-exhaust and pressure-relief portion. An explosion-proof valve of the cell is arranged corresponding to the exhaust port, and the cell exchanges heat with the liquid-cooling partition.
Resumen de: US2025226542A1
To obtain a small-sized busbar in which a portion overlapping a terminal part of a battery is flat while stress applied to a joining surface is mitigated. A battery pack 1 according to the present invention has: a battery group in which a plurality of unit batteries 2 having positive-electrode terminals 2a and negative-electrode terminals 2b are stacked, with the positive-electrode terminal 2a of one unit battery 2A among mutually adjacent unit batteries 2 and the negative-electrode terminal 2b of the other unit battery 2B being adjacent in the stacking direction; and a busbar 10 for joining the positive-electrode terminal 2a of the one unit battery 2A and the negative-electrode terminal 2b of the other unit battery 2B. The busbar 10 has a positive-electrode plate 100 joined to the positive-electrode terminal 2a of the one unit battery 2A, and the negative-electrode plate 200 joined to the negative-electrode terminal 2b of the other unit battery 2B. At least one of the positive-electrode plate 100 and the negative-electrode plate 200 has a step-form shape bent in a stepwise manner, the joining being carried out via the step-form portion.
Resumen de: US2025226492A1
Provided is a secondary battery that is superior in vibration resistance but not degraded in manufacturability. The secondary battery includes an electrode wound body and a battery can. The electrode wound body includes a positive electrode and a negative electrode that are stacked on each other with a separator interposed between the positive electrode and the negative electrode and are wound around a central axis The battery can has a circular columnar outer shape in which a height direction corresponds to a direction along the central axis. The battery can contains the electrode wound body. The battery can includes a container and a cover part. The container includes a lower end part and an upper end part. The lower end part is closed by a bottom part. The upper end part is positioned on a side opposite to the lower end part in the height direction and has an opening through which the electrode wound body is passable. The cover part closes the opening of the container. Where a flattening of the electrode wound body is a ratio of a maximum diameter of the electrode wound body to a minimum diameter of the electrode wound body, the flattening of at least a portion of an upper part of the electrode wound body is greater than the flattening of at least a portion of a lower part of the electrode wound body.
Resumen de: US2025226450A1
Liquid electrolyte compositions comprising a salt of the formula (I) which has an anionic complex comprising three bidentate ligands are provided. The complex comprises antimony as the central ion. Electrochemical cells comprising the liquid electrolyte composition are further provided. Salts of formula (I) are further provided.
Resumen de: US2025226537A1
Energy storage devices, battery cells, and batteries of the present technology may include a first circuit board defining a plurality of apertures through the first circuit board. The batteries may include a battery stack overlying the first circuit board and electrically coupled with the first circuit board. The battery stack may include a plurality of battery cells. The battery stack may define a plurality of apertures axially aligned with a corresponding aperture through the first circuit board. The batteries may include a second circuit board that defines a plurality of apertures through the second circuit board. The batteries may include a plurality of fasteners, each fastener extending through a separate channel of the plurality of channels. The batteries may include a plurality of conductive extensions electrically coupling each battery cell of the battery stack with one or more fasteners of the plurality of fasteners.
Resumen de: DE102024100585A1
Die Erfindung betrifft ein Verfahren zum Herstellen einer Kühlmittelführung zum Kühlen von zumindest einer Batteriezelle (12) für einen elektrischen Energiespeicher (10) eines zumindest teilweise elektrisch betriebenen Kraftfahrzeugs, mit den Schritten Bereitstellen eines ersten Kühlmittelführungsteils (20) der Kühlmittelführung (16, 18) und eines zweiten Kühlmittelführungsteils (22) der Kühlmittelführung (16, 18), Bereitstellen eines Verbindungselements (24) zum Verbinden des ersten Kühlmittelführungsteils (20) und des zweiten Kühlmittelführungsteils (22), Bereitstellen eines thermischen Überzugs (32) für das Verbindungselement (24), Verbinden der beiden Kühlmittelführungsteile (20, 22) mittels des Verbindungselements (24), und Erwärmen des thermischen Überzugs (32) nach dem Verbinden der beiden Kühlmittelführungsteile (20, 22). Ferner betrifft die Erfindung eine Kühlmittelführung (16, 18) sowie einen elektrischen Energiespeicher (10).
Resumen de: DE102024123513A1
Aspekte der Offenbarung umfassen ultraviolett aushärtbare Klebereagenzien und Verfahren unter Verwendung derselben für die Elektrodenstapelung. Ein beispielhaftes Fahrzeug umfasst einen Elektromotor und ein Batteriepack, das elektrisch mit dem Elektromotor gekoppelt ist. Das Batteriepack umfasst eine Mehrzahl von Batteriezellen, wobei jede Batteriezelle einen Elektrodenstapel aufweist. Der Elektrodenstapel jeder Batteriezelle umfasst eine Mehrzahl von Batteriefolien, die durch ein isoliertes Element in einer gestapelten Konfiguration getrennt sind, die eine abwechselnde Batteriefolie und isolierte Elementschichten umfasst. Der Elektrodenstapel jeder Batteriezelle umfasst ferner ein ultraviolett aushärtbares Klebereagenz. Das ultraviolett aushärtbare Klebereagenz wird zwischen der abwechselnden Batteriefolie und isolierten Elementschichten aufgetragen, wodurch die Mehrzahl von Batteriefolien an das isolierte Element geklebt wird. Das ultraviolett aushärtbare Klebereagenz umfasst ein multifunktionelles Acrylatvernetzungsmittel und einen Initiator.
Resumen de: DE102024100631A1
Batterie (10), insbesondere Hochvolt-Batterie, aufweisend eine wenigstens eine Batteriezelle (11) umschließende Hülle (12), wobei an einer von der Batteriezelle (11) wegweisenden Außenseite (13) der Hülle (12) ein Sensor (14) über eine Kontaktfläche (15) angeordnet ist und die Außenseite (13) wenigstens in dem Bereich der Kontaktfläche (15) mit einem thermoelektrischen Wandler (16) belegt ist, der eingerichtet ist, von der Batteriezelle (11) während ihres Betriebs abgegebene Wärme in elektrische Energie umzuwandeln und in den Sensor (14) einzuspeisen, um diesen für seinen bestimmungsgemäßen Betrieb mit elektrischer Energie zu versorgen; ferner ein Verfahren zum Betreiben einer Batterie (10).
Resumen de: WO2025145611A1
Disclosed in the present application are a monitoring method for an energy storage apparatus, and an electric apparatus and an energy storage apparatus. The energy storage apparatus comprises a housing, an energy storage unit group, and a temperature and humidity sensor, wherein the energy storage unit group and the temperature and humidity sensor are arranged inside the housing. The monitoring method comprises: measuring a real-time temperature and a real-time humidity inside a housing by means of a temperature and humidity sensor; determining a dew point temperature matching the real-time humidity, and comparing the real-time temperature with the dew point temperature, so as to obtain a comparison result; and executing a processing policy matching the comparison result. By means of the method, the present application can monitor the environment inside an energy storage apparatus in real time, and can perform corresponding processing on the environment inside the energy storage apparatus, thereby more effectively maintaining the operation and usage of the energy storage apparatus during the process of using the energy storage apparatus.
Resumen de: WO2025145605A1
Provided in the embodiments of the present application are a battery and an electric device. The battery comprises a battery cell group, a plurality of thermal management components, a first connecting pipe, and a first protective mechanism, wherein the battery cell group comprises a plurality of battery cells. The plurality of thermal management components are arranged spaced apart from each other in a first direction, and each thermal management component has a first end and a second end in a second direction. At least one battery cell is arranged between two adjacent thermal management components, and the first direction is perpendicular to the second direction. The first connecting pipe is located on a side of the battery cell group in the second direction, and connects the first ends of two adjacent thermal management components. The first protective mechanism is configured to shield the first connecting pipe, so as to limit the contact between emissions from the battery cell and the first connecting pipe. The probability of the emissions melting the first connecting pipe is reduced, and the probability of fluid leakage from the first connecting pipe caused by the emissions discharged from the battery cell is also reduced, thereby improving the reliability of the battery when in use.
Resumen de: WO2025145336A1
A battery (1001) and an electrical apparatus. The battery (1001) comprises: a case (200), comprising first borders (2021) located at both ends in the width direction, each first border (2021) extending in the length direction of the case (200); and a plurality of cells (100), mounted inside the case (200), the length direction of each cell (100) being parallel to the length direction of the case (200), the cells (100) adjacent to each first border (2021) abutting against the first border (2021), and each first border (2021) being provided with a mounting beam (23). The length direction of the cells (100) is parallel to the length direction of the case (200), each first border (2021) abuts against the adjacent cells (100), and the first borders (2021) are located at the ends of the case (200) in the width direction, such that each first border (2021) abuts against large surfaces of the adjacent cells (100). Moreover, the first borders (2021) being provided with the mounting beams (23) facilitates mounting and use of the battery (1001), and the mounting beams (23) can provide constraining forces, so as to resist the expansion deformation of the cells (100).
Resumen de: US2025226483A1
A pipe connection structure includes a first pipe joint, a second pipe joint and a limiting structure; the second pipe joint and the first pipe joint are connected through insertion, an outer surface of the second pipe joint is provided with a first fitting structure, an end of the limiting structure is connected to the first pipe joint, and another end is provided with a second fitting structure; in a direction of the insertion, the second fitting structure and the first fitting structure are fitted to block each other, and the second fitting structure and the first fitting structure are fitted with a clearance.
Resumen de: US2025226551A1
An electrochemical apparatus includes an electrode plate. The electrode plate includes a current collector, an active material layer arranged on a surface of the current collector, and a plurality of electrode tab connection portions, where each electrode tab connection portion includes a first part and a second part, and in an unfolded state of the electrode plate, the first parts of the plurality of electrode tab connection portions extend from an edge of the current collector along a width direction of the electrode plate and are spaced apart from each other, and the second parts are arranged on surfaces of the first parts and are electrically connected to the first parts.
Resumen de: US2025226521A1
The present application provides a battery cell, a battery and an electrical device, wherein the battery cell comprises: a case having an accommodating space and an opening communicated with the accommodating space; an electrode assembly accommodated in the storage space; an end cover closing the opening; an electrode terminal provided in the case, the electrode terminal being electrically connected to the electrode assembly; and a pressure relief portion provided in the end cover, the pressure relief portion being used to release an internal pressure of the case. In the technical solution of the present application, the electrode terminal and the pressure relief portion of the battery cell are disposed on different surfaces, which can reduce the risk of the conductive discharge discharged through the pressure relief portion being connected to the electrode terminal and causing a short-circuit of the electrode terminal when the battery cell is in thermal runaway.
Resumen de: US2025226550A1
An electrode plate, where the electrode plate includes a current collector, an active material layer, and a tab connection sheet, and when the electrode plate is in an unfolded state, the current collector includes a first part and a second part in a width direction of the electrode plate, the active material layer is disposed on a surface of the first part, the tab connection sheet overlaps with a surface of the second part to form an overlap region, and the tab connection sheet is welded to the surface of the second part to form an electrical connection to the second part, where in a length direction of the electrode plate, an area ratio of a weld mark to a welding region is greater than or equal to 20%, and a length ratio of the welding region to the overlap region is greater than or equal to 60%.
Resumen de: US2025226522A1
A housing component includes a first surface and a second surface, wherein the first surface and the second surface are oppositely arranged along a first direction. The housing component is provided with a first groove portion recessed from the first surface in a direction proximate to the second surface. The housing component forms a weak region at the bottom of the first groove portion, and the weak region is configured to be damaged when the battery cell releases internal pressure. Along the first direction, a protrusion protruding from the second surface is arranged on a side of the weak region away from the first groove portion.
Resumen de: US2025226447A1
An electrolyte for a battery that cycles lithium ions includes a polyacrylate and a liquid electrolyte immobilized in the polyacrylate. The polyacrylate includes acrylate monomers covalently bonded to one another. The liquid electrolyte includes a lithium salt in an organic solvent.
Resumen de: US2025226519A1
A battery including a safety valve (cleavage valve) having relatively high durability and capable of efficiently discharging gas inside the battery when cleaving is provided. The battery includes a charge/discharge body, an exterior body in which the charge/discharge body is housed, and the safety valve (the cleavage valve) provided at the exterior body and configured to open from inside the exterior body to outside when pressure of inside of the exterior body becomes equal to or larger than a predetermined value. An annular edge section of the cleavage valve, which is continuous to the exterior body includes a first edge section formed in an arc shape and a second edge section formed with a radius larger than a radius of the first edge section or formed in a linear shape.
Resumen de: US2025226489A1
A pouch-shaped battery cell includes a pouch case having a receiving space, an electrode assembly received in the pouch case. The electrode assembly has a pair of electrode tabs provided at one side or opposite sides thereof, and a pair of electrode leads connected to the pair of electrode tabs. The pair of electrode leads protrude out of the pouch case. A sealed portion of the pouch-shaped battery case includes a wing portion, a terrace portion, and a reinforcement portion. The wing portion extends along the length direction of the pouch case, the terrace portion extends along the width direction of the pouch case, and the reinforcement portion extends outwardly from the terrace portion. The reinforcement portion has a predetermined shape and area for inhibiting or delaying gas venting. A method of manufacturing the same is also provided.
Resumen de: US2025226531A1
A separator has a positive electrode end and a negative electrode end in a thickness direction of the separator. The positive electrode end is provided with a plurality of first openings, the negative electrode end is provided with a plurality of second openings, and an aperture of the first opening is larger than an aperture of the second opening.
Resumen de: US2025226484A1
A battery pack according to an embodiment of the present disclosure includes: a plurality of batteries; a pack tray having an internal space accommodating the plurality of batteries and an opening communicating with the internal space; a pack lid coupled to the pack tray to cover the opening; and a heat dissipation structure disposed between the plurality of batteries and the pack lid, wherein the heat dissipation structure includes a first contact portion in thermal contact with at least one of the plurality of batteries; and a second contact portion that is spaced apart from the first contact portion at a predetermined distance and is in thermal contact with the pack lid.
Resumen de: DE102024000055A1
Die Erfindung betrifft eine Temperiervorrichtung (4) mit einem Temperierkreislauf (4.1) zur Temperierung einer eine elektrische Batterie (2) und eine zur Steuerung eines Betriebs der Batterie (2) ausgebildete Batteriesteuereinheit (3) aufweisenden Batterieanordnung (1), wobei Temperierkreislauf (4.1) einen mit einem Temperiermedium durchströmbaren ersten Teilkreislauf (4.1.1) und einen mit dem Temperiermedium durchströmbaren zweiten Teilkreislauf (4.1.2) aufweist, wobei der erste Teilkreislauf (4.1.1) thermisch mit der Batterie (2) gekoppelt ist und der zweite Teilkreislauf (4.1.2) thermisch mit der Batteriesteuereinheit (3) gekoppelt ist, in Strömungsrichtung nach einer Fördereinheit (4.2) ein Ventil (4.6) mit einem Eingang (4.6.1), einem ersten Ausgang (4.6.2) und einem zweiten Ausgang (4.6.3) angeordnet ist, wobei der Eingang (4.6.1) zumindest mittelbar mit einem Ausgang der Fördereinheit (4.2) gekoppelt ist, der erste Ausgang (4.6.2) mit einem Eingang des ersten Teilkreislaufs (4.1.1) gekoppelt ist und der zweite Ausgang (4.6.3) mit einem Eingang des zweiten Teilkreislaufs (4.1.2) gekoppelt ist, und mit dem Ventil (4.6) die Batteriesteuereinheit (3) datentechnisch gekoppelt ist, welche ausgebildet ist, das Ventil (4.6) in Abhängigkeit eines Temperierungsbedarfs der Batterie (2) und der Batteriesteuereinheit (3) zu steuern.
Resumen de: DE102024111668A1
Ein Elektrolyt für eine Batterie, die Lithium-Ionen zyklisiert, enthält ein Polyacrylat und einen flüssigen Elektrolyten, der in dem Polyacrylat immobilisiert ist. Das Polyacrylat enthält kovalent aneinander gebundene Acrylatmonomere. Der flüssige Elektrolyt enthält ein Lithiumsalz in einem organischen Lösungsmittel.
Resumen de: DE102024105212A1
Aspekte der Offenbarung umfassen Kathodenisolationsbeschichtungen und Beschichtungsüberlappungsausführungen, die eine poröse Abscheidung von Kathodenisolationsbeschichtungsmaterial nutzen. Ein beispielhaftes Fahrzeug umfasst einen Elektromotor und ein Akkupack, das elektrisch mit dem Elektromotor gekoppelt ist. Das Akkupack umfasst eine Vielzahl von Akkumulatorzellen. Jede Akkumulatorzelle umfasst einen Kathodenstromkollektor mit einer Kathodenlasche, ein Kathodenaktivmaterial, das über den Kathodenstromkollektor verteilt ist, und eine Kathodenisolationsbeschichtung. Die Kathodenisolationsbeschichtung wird direkt auf einem Teil des Kathodenaktivmaterials und direkt auf einem Teil der Kathodenlasche gebildet. Die Kathodenisolationsbeschichtung umfasst eine poröse Makrostruktur, die so gemustert ist, dass Teile des Kathodenaktivmaterials, die unter der Kathodenisolationsbeschichtung liegen, freigelegt werden, wodurch eine poröse Kathodenisolationsbeschichtung bereitgestellt wird, die vor einer Fehlausrichtung und einem Verrutschen des Separators mit einem geringeren Verlust an Ionentransportdynamik schützt.
Resumen de: DE102024108814A1
Ein Verfahren zur elektrochemischen Differenzialmassenspektrometrie für die Online-Gasentwicklung von Pouch-Zellen umfasst das Zuführen eines inerten Trägergases zu einer Pouch-Zelle und das Zuführen von Gas aus der Pouch-Zelle zur Aufnahme eines elektrochemischen Differenzialmassenspektrometers. Ein System zum kontinuierlichen Überwachen der quantitativen Gasentwicklung in einer Pouch-Zelle, das ein Differenzialmassenspektrometer, eine Zufuhr von inertem Trägergas, eine Leitung, die mit der Pouch-Zelle verbunden ist, um inertes Trägergas zur Pouch-Zelle zu leiten; und eine die Pouch-Zelle verbindende Leitung umfasst, um Gas von der Pouch-Zelle zum Differenzialmassenspektrometer zu leiten.
Resumen de: WO2025145594A1
Disclosed are a housing assembly (21), a battery cell (20), a battery (100), and an electrical device. The housing assembly (21) comprises a housing (211) and a terminal (212), wherein a hole (211a) is provided in the housing (211); and the terminal (212) comprises a main body portion (201), a connecting portion (202), and a bent portion (203), the main body portion (201) being located inside the housing (211), the connecting portion (202) passing through the hole (211a) and connecting the main body portion (201) and the bent portion (203), the bent portion (203) being located outside the housing (211), the bent portion (203) having an end portion close to the connecting portion (202), and a recess (212a) being provided on the side of the end portion close to the housing (211).
Resumen de: WO2025145296A1
Disclosed in the present application are a battery and an electric device. The battery comprises a battery cell and at least one cooling component. The battery cell comprises a casing, at least one electrode assembly and at least one buffer member, wherein the electrode assembly and the buffer member are arranged in the casing; the buffer member is arranged on at least part of the surface of the electrode assembly and/or inside the electrode assembly; and the at least one electrode assembly and the at least one buffer member are stacked in a first direction. The cooling component is arranged on at least one side of the battery cell in the first direction.
Resumen de: WO2025145297A1
A battery cell (100), a battery (1000), and an electrical apparatus (2000). The battery cell (100) comprises: a casing (10); an electrode assembly (20) provided in the casing (10), the electrode assembly (20) comprising electrode sheets (21) and separators (22), and the electrode sheets (21) and the separators (22) being stacked and/or wound to form the electrode assembly (20); and a buffer member (30) provided in the casing (10), the buffer member (30) being provided on at least part of the surface of the electrode assembly (20) and/or in the electrode assembly (20), and the compression ratio of the buffer member (30) being greater than the compression ratio of the separators (22) under the same pressure.
Resumen de: WO2025145414A1
A composite lithium iron phosphate positive electrode material, a preparation method therefor, and the use thereof. The preparation method comprises the following steps: (1) mixing an iron source and a phosphorus source with a solvent to obtain a mixed solution, adjusting the pH value of the mixed solution to a first pH value and carrying out a first reaction, and then adjusting the pH value to a second pH value and carrying out a second reaction, so as to obtain composite iron phosphate containing ferric hydroxide; (2) sintering the composite iron phosphate, mixing same with a lithium source, and calcining same to obtain modified lithium iron phosphate; and (3) mixing the modified lithium iron phosphate with a silver salt solution, and carrying out a replacement reaction, so as to obtain the composite lithium iron phosphate positive electrode material. The method fully uses ferric hydroxide generated during the precipitation process of iron phosphate, so that no impurity removal step is required, and silver can be uniformly distributed in the ferric phosphate product, so as to form a uniformly dispersed conductive network, thus solving the problems of agglomeration and non-uniform dispersion.
Resumen de: US2025226517A1
The present invention relates to a secondary battery module, a secondary battery pack including the same, and a secondary battery module inspection device for inspecting the secondary battery module, and more particularly, to a secondary battery module including a plurality of secondary batteries, a secondary battery pack including the same, and a secondary battery module inspection device for inspecting the secondary battery module. The present invention provides a secondary battery module including: a plurality of secondary batteries arranged in parallel to each other; and a plurality of buffer pads inserted to be adjacent to the secondary batteries along an arrangement direction of the plurality of secondary batteries, wherein the plurality of buffer pads are provided to have thicknesses different from each other and are selectively inserted according to thicknesses of the adjacent secondary batteries.
Resumen de: US2025226516A1
A battery assembly includes a base plate; a resin layer disposed on an upper surface of the base plate; a battery cell located above the resin layer; and an insulating sheet located between the battery cell and the resin layer, the insulating sheet having a score line.
Resumen de: US2025226525A1
Provided are a battery and an electrical device. The battery includes a battery cell and a functional component. A side of the battery cell along a first direction is provided with a pressure relief mechanism. The functional component is located on one side of the battery cell where the pressure relief mechanism is provided, and the functional component includes a thermal management component and a protective component. The thermal management component is attached to the battery cell, and the thermal management component is configured to regulate a temperature of the battery cell. A protective component is connected to the thermal management component and covers at least a portion of the pressure relief mechanism.
Resumen de: US2025226536A1
An insulation-layer forming composition for a lithium secondary battery, the composition not including carboxymethylcellulose, and comprising a conjugated diene copolymer as a binder polymer; a non-aqueous organic solvent; and an emulsifier. A gel content of the conjugated diene copolymer is 70 wt % or more with respect to a total weight of the conjugated diene copolymer, and a content of the emulsifier is 0.3 wt % or more with respect to the total weight of the conjugated diene copolymer. A cathode comprising the insulation-layer forming composition, a lithium secondary battery including the cathode, and a method of manufacturing the cathode are also provided.
Resumen de: US2025226548A1
An electrochemical apparatus includes an electrode plate. The electrode plate includes a current collector and an active material layer disposed on the surface of the current collector, and in an unwinding state of the electrode plate, a plurality of non-coated regions extend along width direction of the electrode plate on edges of the current collector, an electrode tab connecting sheet is provided with on the surface of each non-coated region, and the electrode tab connecting sheet is electrically connected to the non-coated region; where thickness L1 of the electrode tab connecting sheet satisfies: 3 μm≤L1≤35 μm, and/or fracture strength S1 of the electrode tab connecting sheet satisfies: 200 MPa≤S1≤880 MPa.
Resumen de: US2025226448A1
The invention relates to a non-aqueous electrolyte composition comprising one or more sodium-containing salts and a solvent system which comprises a first component which comprises one or more glyme-based solvents and a second component which comprises additives. The invention further relates to an anode-free sodium cell comprising said non-aqueous electrolyte compositions.
Resumen de: US2025226528A1
An embodiment of the present invention provides a separator for a non-aqueous secondary battery, including a porous substrate, and an adhesive layer that is provided on at least one side of the porous substrate and that contains a polyvinylidene fluoride type resin, in which the separator contains a nonionic surfactant having a cloud point of from 30° C. to 85° C. and a molecular weight of from 200 to 1,500.
Resumen de: US2025226481A1
A power conversion apparatus includes: an upper arm switch and a lower arm switch that are connected in series; a first capacitor electrically connected in parallel to the upper arm switch and the lower arm switch; a coil of which a first end side is electrically connected to a connection point between the upper arm switch and the lower arm switch; a second capacitor; a high-potential-side electrical path electrically connected to the upper arm switch; a low-potential-side electrical path electrically connected to the lower arm switch; and a control unit that performs switching of the upper arm switch and the lower arm switch. One of the high-potential-side electrical path and the low-potential-side electrical path and a second end side of the coil are electrically connected via the second capacitor. The other thereof and the second end side of the coil are electrically connected via a power storage unit.
Resumen de: US2025226446A1
An electrochemical device of this application includes a positive electrode, a negative electrode, and an electrolyte, where the positive electrode includes a positive electrode active material, the positive electrode active material includes element A, and element A is selected from at least one of La, Y, or Nb; based on a mass of the positive electrode active material, a mass percentage of element A is x %; the electrolyte includes a compound represented by formula (I); and based on a mass of the electrolyte, a mass percentage of the compound represented by formula (I) is a %.
Resumen de: US2025226458A1
Some embodiments of this application provide an electrode assembly, a battery cell, a battery, and an electrical device. The electrode assembly includes a positive electrode, a negative electrode, and a solid electrolyte. The positive electrode contains a lithium supplement material capable of releasing oxygen during first-cycle charging. The solid electrolyte contains a first additive. The first additive is a metal-organic framework compound with a porosity of 65% to 95%. The technical solutions put forward herein not only improve the cycle performance and energy density of the battery, but also improve the safety performance of the battery.
Resumen de: US2025226502A1
A battery pack includes a means configured to, when an abnormal phenomenon, such as fire outbreak or heat generation, occurs in a battery cell, prevent fire or heat from propagating to another battery cell adjacent thereto. The battery pack includes a plurality of battery cells, a case configured to receive the plurality of battery cells, an energy discharging means configured to discharge energy of the battery pack when the abnormal phenomenon occurs, and a fire extinguishing means configured to discharge aerosol at an operating temperature or higher in order to extinguish flames generated in the battery pack.
Resumen de: DE102024112701A1
Ein Elektrolyt für eine Batterie, die Lithiumionen zyklisiert, umfasst ein Polyacrylamid und einen flüssigen Elektrolyten, der in dem Polyacrylamid immobilisiert ist. Das Polyacrylamid umfasst Acrylamidmonomere, die kovalent aneinander gebunden sind. Der flüssige Elektrolyt umfasst ein Lithiumsalz in einem organischen Lösungsmittel.
Resumen de: DE102024000054A1
Die Erfindung betrifft eine Batterieanordnung (2), umfassend eine Mehrzahl von Einzelzellen (22), die in einem Batteriegehäuse (21) angeordnet sind, eine an oder in dem Batteriegehäuse (21) angeordnete erste Wärmesenke (23), die durch Kühlmittelleitungen (41) mit einem Kühlaggregat (40) zu einem Kühlmittelkreislauf (4) verbunden ist, sowie eine Hilfseinrichtung (3) mit mindestens einer Elektronikkomponente (32), die in einem Elektronikgehäuse (31) angeordnet ist, wobei an oder in dem Elektronikgehäuse (31) eine zweite Wärmesenke (33) angeordnet ist, welche ebenfalls in den Kühlmittelkreislauf (4) eingebunden ist, wobei die zweite Wärmesenke (33) mittels selbsttätig sperrender Kopplungseinrichtungen (42) mit den Kühlmittelleitungen (41) lösbar verbunden ist, und ein Fahrzeug (1) mit einer solchen Batterieanordnung (2).
Resumen de: DE102024100427A1
Die vorliegende Offenbarung betrifft ein System (100) zum Betreiben eines Hybrid- oder Elektrofahrzeugs (1), umfassend ein Konditionierungsmodul (110), das eingerichtet ist, um einen Antriebsenergiespeicher (12) des Hybrid- oder Elektrofahrzeugs (10) vor einem Ladevorgang thermisch vorzukonditionieren; und ein Steuermodul (120), das eingerichtet ist, um:- vor Fahrtbeginn basierend auf wenigstens einem Ladekriterium zu bestimmen, ob potenziell ein Schnellladevorgang des Antriebsenergiespeichers (12) bevorsteht;- über eine Benutzerschnittstelle (20) einen Nutzerhinweis (NH) an einen Nutzer des Hybrid- oder Elektrofahrzeugs (10) in Bezug auf eine Vorkonditionierung des Antriebsenergiespeichers (12) vor dem Fahrtbeginn auszugeben oder die Ausgabe des Nutzerhinweises (NH) zu veranlassen, wenn bestimmt wird, dass potenziell ein Schnellladevorgang des Antriebsenergiespeichers (12) bevorsteht; und- das Konditionierungsmodul (120) derart anzusteuern, dass die Vorkonditionierung des Antriebsenergiespeichers (12) vor dem Fahrtbeginn beginnt, wenn an der Benutzerschnittstelle (20) auf den Nutzerhinweis (NH) hin eine entsprechende Nutzereingabe (NE) empfangen wird.
Resumen de: DE102024123505A1
Es wird ein Verfahren zum Handhaben eines Energieverbrauchsereignisses bereitgestellt. Aspekte umfassen das Detektieren eines Defekts in einer ersten Energiespeichervorrichtung und das Übertragen von Energie von der ersten Energiespeichervorrichtung zu einer zweiten Energiespeichervorrichtung, die mit der ersten Energiespeichervorrichtung elektrisch verbunden ist, basierend auf einer Bestimmung, dass ein Ladezustand der ersten Energiespeichervorrichtung über einem ersten Grenzwert liegt. Aspekte umfassen auch das Beenden der Energieübertragung von der ersten Energiespeichervorrichtung an die zweite Energiespeichervorrichtung basierend auf einer Bestimmung, dass der Ladezustand der ersten Energiespeichervorrichtung unter einen zweiten Grenzwert gefallen ist, der gleich oder niedriger als der erste Grenzwert ist.
Resumen de: WO2025145294A1
A battery cell (100), a battery (1000) and an electric device (2000). The battery cell (100) comprises: a casing (10); an electrode assembly (20), which is arranged in the casing (10), wherein the electrode assembly (20) comprises an electrode sheet (21) and a separator (22), the electrode sheet (21) and the separator (22) being stacked and then wound to form the electrode assembly (20), and in the direction of winding of the electrode assembly (20), the electrode assembly (20) is provided with a winding tail end (20a); and a buffer member (30), which is arranged in the casing (10), wherein in the direction of stacking of the electrode sheet (21) and the separator (22), the buffer member (30) covers at least part of the winding tail end (20a).
Resumen de: US2025226473A1
The present disclosure relates to methods by which lead from spent lead-acid batteries may be extracted, purified, and used in the construction of new lead-acid batteries. A method includes: (A) forming a mixture including a carboxylate source and a lead-bearing material; (B) generating a first lead salt precipitate in the mixture as the carboxylate source reacts with the lead-bearing material; (C) increasing the pH of the mixture to dissolve the first lead salt precipitate; (D) isolating a liquid component of the mixture from one or more insoluble components of the mixture; (E) decreasing the pH of the liquid component of the mixture to generate a second lead salt precipitate; and (F) isolating the second lead salt precipitate from the liquid component of the mixture. Thereafter, the isolated lead salt precipitate may be converted to leady oxide for use in the manufacture of new lead-acid batteries.
Resumen de: US2025226491A1
The invention relates to an accumulator cell housing and a battery or a battery cell module formed from multiple secondary cells on the basis of a uniform accumulator cell housing design. Here, the starting point is a beaker-like structure with a beaker base, a beaker wall (1) and a beaker closure (3) opposite the beaker base. The chemical-physical means necessary for storing electrical energy can be introduced in the beaker cavity. Electrical connections are furthermore provided at least in the region of the beaker closure. Both in or on the beaker base and in or on the beaker closure there is provided a crenellation or crown structure which in each case has multiple spaced-apart protrusions (5, 6). A sandwich structure formation for creating a battery module is produced via a connection of base and cover plates (9, 10) with use of the previously mentioned protrusions of the respective crenellation or crown structures, and, in this regard, besides the improved mechanical stability, an optimised, symmetrical or uniform heat dissipation is possible.
Resumen de: US2025221644A1
A calibration free analyte detection device (102, 202, 302) is disclosed. At least one predetermined pair-data set composed of the first parameter value and the second parameter value and the predetermined calibration function based on the time parameter are pre stored in the memory. After a sensor (1022, 2022, 3022) penetrates into the user's skin to obtain the first parameter value, the processor calls the predetermined pair-data set and the predetermined calibration function from the memory and obtains the second parameter value based on the first parameter value by index, the predetermined pair-data set is adjusted through the predetermined calibration function for the next detection and retrieval. The predetermined pair-data set is adjusted with the use time, which reduces the error of the second parameter value and improves the reliability of the analyte detection device (102, 202, 302).
Resumen de: US2025226515A1
A housing is divided into a first case and a second case. The first case and the second case are joined at a position where the first case and the second case overlap each other, and include at the position: a first engagement mechanism in which the first case includes a first protrusion protruding in first direction DA, and the second case includes a second recess formed at a position corresponding to the first protrusion; and a second engagement mechanism in which the first case includes a first recess provided at a position separated from the first protrusion and the second case includes a second protrusion formed at a position separated from the second recess, the position corresponding to the first recess when the second case is joined to the first case, and the second protrusion protruding in second direction DB opposite to first direction DA.
Resumen de: US2025226534A1
Unit cells for use in electrical current conductance, the electrode structure comprising an electrode separated from a counter electrode by a separator, the unit cell being configured to accommodate expansion of electrode active material during a second use of the device e.g., at least in part by using spacer structures.
Resumen de: US2025226482A1
A battery thermal management system includes a battery and a pulse charging and discharging apparatus, wherein the battery includes a pole and an electrically conductive housing, which is arranged at the periphery of the pole; the pulse charging and discharging apparatus is electrically connected to the battery, and is used for performing pulse charging and discharging on the battery to generate a varying magnetic field; and the electrically conductive housing is located within the varying magnetic field, and is used for generating an induced current and heating the pole.
Resumen de: US2025226498A1
Disclosed herein relates to a battery pack for accommodating battery modules. More specifically, the battery pack of the present invention includes a pack case including a module area where the battery module is seated, wherein the pack case includes: a base plate; a side wall coupled along the perimeter of the base plate; and a support wall coupled to an inner surface of the side wall, wherein the support wall includes a coupling part protruding in a ribbed shape on one side opposite the side wall, and the side wall includes an insertion groove recessed for insertion of a coupling part of the support wall on the inside.
Resumen de: US2025226559A1
An electrochemical apparatus includes a housing, a conductive member, an electrode assembly, and an insulating member. The housing has a first wall, and the first wall is provided with a first through hole. The conductive member covers the first through hole. The electrode assembly is accommodated in the housing and is electrically connected to the conductive member. The insulating member is arranged between the conductive member and the first wall, the insulating member has a second through hole, and along a first direction, at least a part of a projection of the conductive member is located within both the first through hole and a second through hole. A convex portion is disposed between a surface of the first wall facing the conductive member and a surface of the conductive member facing the first wall
Resumen de: WO2025146586A1
The invention relates to a battery tray for receiving at least one battery cell serving as a drive energy storage device for an electrically driven vehicle, wherein the battery tray (2) is connectable to a body of the vehicle, the battery tray (2) comprising: a substantially circumferential frame structure (4) comprising longitudinal sides (6) and transverse sides (8) for forming a receiving area (14) for the at least one battery cell, wherein the battery tray (2) is formed in one piece from a light metal material, in particular cast in one piece from a light metal material; wherein the receiving area (14) comprises an area of at least 0.5 m2, preferably of at least 0.75 m2, more preferably of at least 1 m2. The invention also relates to a method for low pressure die casting a battery tray.
Resumen de: WO2025147189A1
This invention relates to anodes comprising: a current collector; and a layer comprising active material comprising silicon on the current collector, wherein the layer comprises regions surrounded by gaps; wherein the regions comprise silicon; wherein the regions comprise sloped lateral surfaces; wherein the mean distance between the regions is greater at the top surface of the regions than near the current collector surface; and wherein the gaps comprise an area of from 5% to 35% of the top surface area of the anode. Also disclosed are lithium-ion cells and batteries comprising the anode. Also disclosed are methods of preparing the anodes and the lithium-ion cells. Also disclosed are uses of the anodes.
Resumen de: DE102024100211A1
Die Erfindung betrifft eine Schottwanddichtung zur Abdichtung eines ersten Energiespeichermoduls zu einem zweiten Energiespeichermodul in einem gemeinsamen Gehäuse, wobei das erste Energiespeichermodul und das zweite Energiespeichermodul durch eine Schottwand voneinander getrennt sind. Die Schottwanddichtung umfasst einen Befestigungsbereich, welcher eingerichtet ist, an der Schottwand befestigt zu werden, eine erste Dichtlippe, eine zweite Dichtlippe und eine mittlere Dichtlippe, welche zwischen der ersten Dichtlippe und der zweiten Dichtlippe angeordnet ist. Somit bildet sich zwischen der mittleren Dichtlippe und der ersten Dichtlippe ein erster Zwischenraum. Zwischen der zweiten Dichtlippe und der mittleren Dichtlippe bildet sich ein zweiter Zwischenraum. Dabei sind die erste Dichtlippe, die zweite Dichtlippe und die mittlere Dichtlippe eingerichtet, das Gehäuse zu kontaktieren. Die erste Dichtlippe ist eingerichtet, das erste Energiespeichermodul zum ersten Zwischenraum abzudichten und die zweite Dichtlippe ist eingerichtet, das zweite Energiespeichermodul zum zweiten Zwischenraum abzudichten. Dabei ist die mittlere Dichtlippe eingerichtet, den ersten Zwischenraum zum zweiten Zwischenraum abzudichten.
Resumen de: WO2025145689A1
A high-nickel cobalt-free positive electrode material capable of dual residual alkali reduction and a preparation method therefor. The chemical expression of the high-nickel cobalt-free positive electrode material is LixNiyMn1-yAzO2, where 0.75＜y≤0.95, 0.95≤x≤1.15, and 0.001＜z≤0.005. Primary residual alkali reduction is implemented by means of water washing. In-situ formation of perovskite on the surface of the material consumes residual alkali in the material so as to achieve secondary residual alkali reduction, and can simultaneously form a LaaLibCoO3 perovskite coating layer. Because of the formed perovskite coating layer, the positive electrode material has high lithium ionic conductivity, a good capacity retention capacity and rate capability, and high reversibility. The prepared high-nickel cobalt-free positive electrode material has low residual alkali, a high discharge capacity, a good rate capability and good battery cycle performance.
Resumen de: EP4582272A1
A thermal management system (100) and a vehicle (200). The thermal management system (100) is applied to the vehicle (200). The thermal management system (100) includes a compressor (10), a liquid-cooled gas cooler (20), a coaxial tube (30), an internal gas cooler (40), an external gas cooler (50), and an evaporator (60); the coaxial tube (30) includes a high-pressure inlet (31), a high-pressure outlet (32), a low-pressure inlet (33), and a low-pressure outlet (34); the low-pressure outlet (34) is connected to an inlet of the compressor (10); an outlet of the compressor (10) is connected to a first port (21) of the liquid-cooled gas cooler (20); a second port (22) of the liquid-cooled gas cooler (20) is connected to an inlet of the external gas cooler (50) and an inlet of the internal gas cooler (40); an outlet of the external gas cooler (50) is connected to the high-pressure inlet (31); an outlet of the internal gas cooler (40) is connected to a first port of the evaporator (60) and a low-pressure inlet (33); and a second port of the evaporator (60) is connected to the high-pressure outlet (32). Thus, the thermal management system (100) is not only applicable to a carbon dioxide refrigerant system, but also applicable to r134a/r1234yf/mixed refrigerant and other refrigerant systems. Moreover, by means of the liquid-cooled gas cooler (20) and the coaxial tube (30), the heat release efficiency of a refrigerant is enhanced, and the problem that a carbon dioxide module (101) has
Resumen de: EP4583262A1
Embodiments of the present application provide a case, a battery cell, a battery, and a powered device, which belong to the technical field of batteries. The case is molded by bending a plate, the head end and the tail end of the plate are connected to each other to define an accommodating space with openings at two opposite ends, and the accommodating space is configured for accommodating an electrode assembly of the battery cell. The case is molded by bending a plate, and the head end wall and the tail end wall of the plate are connected to each other, such that the case with openings at two opposite ends can be formed. The case is molded in a simple manner, such that the molding difficulty of the case is effectively reduced.
Resumen de: EP4582570A1
Beschrieben wird hierin ein Verfahren zur Aufreinigung von Blackmass einer Batterie umfassend die Schritte Bereitstellen von aufbereiteter Kathoden- oder Anoden-Blackmass, in Kontakt bringen von aufbereiteter Blackmass mit einer basischen Mischung, wobei die basische Mischung mindestens einen Alkohol und mindestens ein Alkoholat umfasst. Ferner wird die Verwendung einer basischen Mischung zur Aufreinigung von Blackmass offenbart.
Resumen de: EP4583277A1
The present application relates to a battery and an electric device. The present application relates to a battery and an electric device. The battery comprises a case, a battery assembly and a protective assembly, wherein the battery assembly is arranged inside the case and comprises a plurality of battery cells; a gap is formed between two adjacent battery cells and extends in the height direction of the battery cell, and the gap comprises two openings opposite each other in the height direction; and the protective assembly is connected to two adjacent battery cells and covers at least one of the openings of the corresponding gap. The protective assembly of the present application can have a certain blocking effect on external foreign matter, and alleviates the problem of uneven stress on the battery cells due to foreign matter, so as to reduce the possibility of lithium plating in the battery cells, and thus improve the cycle performance of the battery cells, thereby prolonging the service life of the battery.
Resumen de: EP4583215A1
This application discloses a battery and an electronic apparatus, where the battery includes a cell, the cell includes a housing, an electrode assembly, a pole, and a bonding member, and the electrode assembly is accommodated in the housing. The housing includes a first surface in a thickness direction of the battery, and the housing is provided with a first avoidance opening running through the first surface along the thickness direction of the battery. The pole is disposed at the first avoidance opening, the bonding member is disposed between the pole and the housing, and the bonding member is configured to bond the pole to the housing. In this way, the pole may be at least partially disposed in the housing, and the pole may be connected to the outside via the first avoidance opening. This helps to reduce the impact of the size of the pole on the thickness of the cell and manufacture the thinner cell, thus increasing the energy density of the battery.
Resumen de: EP4583232A1
An energy-storage device, an electrical apparatus, and a winding method are provided in the disclosure. The energy-storage device includes an electrode and a separator, where the electrode and the separator are stacked and wound to form a cell. The electrode is connected with a tab at an end of the electrode in a width direction of the electrode, where the tab includes a first tab and a second tab. The first tab is positioned adjacent to an end of the electrode in a length direction of the electrode, and the first tab defines a U-shaped notch. The U-shaped notch is configured to indicate a winding end position of the electrode, facilitating identification and winding automation.
Resumen de: EP4583258A1
Provided are a housing, a battery cell, a battery, and an electric device, which relate to the field of battery technologies. The housing includes a bottom plate, a side plate, and a transition rounded corner. The bottom plate has a first inner wall surface. The first inner wall surface includes a first surface and a second surface. The second surface is located at an outer peripheral side of the first surface. The side plate has a second inner wall surface. The transition rounded corner has a third inner wall surface. The first surface and the second surface are connected to each other by the third inner wall surface. At least one of the second surface and the third inner wall surface has an avoidance recess configured to avoid an edge of the cell.
Resumen de: EP4583211A1
The present application relates to the technical field of batteries, and provides a case, a battery, and an electric device. The case comprises a frame, a partition beam, and reinforcing parts. The partition beam is provided in the frame, and is configured to divide an accommodating space into a first accommodating space and a second accommodating space, the first accommodating space being used for accommodating battery cells. The reinforcing parts are provided in the second accommodating space. The reinforcing parts are arranged between the partition beam and the frame, and are used for transmitting force between the partition beam and the frame. By arranging the reinforcing parts between the frame and the partition beam, the reinforcing parts can provide a support for the partition beam, so that when the battery cells accommodated in the first accommodating space displace or expand, the force applied to the partition beam by the battery cells can be transmitted to the frame by means of the reinforcing parts, so as to effectively improve the deformation resistance of the partition beam under the pressing of the battery cells, thereby improving the service life and the use safety of the battery.
Resumen de: EP4582190A1
A drying apparatus, comprising an oven (100) and control units (200), wherein the oven is formed by assembling a plurality of oven modules (10), each oven module comprises an oven body (11) and an air blowing apparatus (12), the air blowing apparatus is at least partially arranged in the oven body, and the air blowing apparatus is used for blowing air onto a material strip in the oven body. The plurality of control units correspond to the plurality of oven modules on a one-to-one basis, and each control unit is used for controlling an air output parameter of an air blowing apparatus of a corresponding oven module. Further disclosed is an electrode sheet manufacturing device. By means of the apparatus, the quality of a battery can be improved while reducing the cost.
Resumen de: GB2637042A
A stack for an electrochemical cell has a laminate structure comprising a first electrode layer 2 between a first gel separator layer 3 and a second gel separator layer 4. The first and second gel separator layers each extend beyond a peripheral edge of the first electrode layer and are adhered to one another by a heat-seal 6 adjacent to opposing edges of the first electrode layer. The two gel separator layers may be adhered to each other via a heat-sealed border region 7 extending around the entire periphery of the first electrode layer. The heat-sealed border may be discontinuous and include at least one unsealed portion. The first electrode may be a gel cathode layer or a gel anode layer. The gel layers may include a copolymer of polyvinylidene fluoride (PVdF) and hexafluoropropylene (HFP) and may further include a linear or cyclic carbonate liquid electrolyte and a lithium salt. A secondary electrochemical cell may include a second electrode layer 13 in contact with the first gel separator layer of the stack. Methods of forming the stack may include edge lamination of the gel separator layers using an impulse sealer to apply a temperature of 70 to 90 °C.
Resumen de: GB2637043A
A stack for an electrochemical cell has a laminate structure including a solid solvent-cast electrode layer 14, 15 between a first gel separator layer 17 and a second gel separator layer 18; and a gel electrode layer 12 in contact with the first gel separator layer. The gel layers may for example comprise polyvinylidene difluoride (PVdF) or a copolymer of PVdF and hexafluoropropylene (PVdF-HFP) as the gelling polymer. The solid solvent cast electrode layer may be an anode layer and the gel electrode layer may be a cathode layer. The gel electrode layer may further comprise a linear or cyclic carbonate liquid electrolyte, one or more lithium salts and an electrochemically active material. The first and second gel separator layers may be adhered to one another by a heat-sealed border region which extends around the periphery of the solid solvent cast electrode layer. The solid solvent cast electrode layer may be impregnated with a free liquid electrolyte, for example comprising a linear or cyclic carbonate liquid electrolyte and one or more lithium salts. The electrochemical cell may comprise a second gel electrode layer in contact with the second gel separator layer.
Resumen de: EP4582779A1
This application pertains to the field of batteries and provides a temperature sampling assembly (30), a battery (1), and an electric apparatus. The temperature sampling assembly (30) includes a sampling circuit board (31), a temperature sensing chip (32), and a heat conducting base (33). The sampling circuit board (31) includes a sampling part (311). The temperature sensing chip (32) is mounted at the sampling part (311) and is electrically connected to the sampling circuit board (31). The heat conducting base (33) includes a first side (331) and a second side (334) opposite each other in a thickness direction (y). The first side (331) is fixedly adhered to the sampling part (311) through a fixing adhesive (34). The second side (334) is configured to be connected to a to-be-sampled component. The temperature sampling assembly (30) can be assembled independently of the to-be-sampled component. At least one side of the sampling part (311) can be flexibly coated with the fixing adhesive (34), so that at least one side of the sampling part (311) can be reliably fixed to the heat conducting base (33) through sufficient fixing adhesive (34), thereby reducing the risk of excessive loss and denaturation of the fixing adhesive (34) under high temperatures, reducing the risk of the sampling part (311) and the temperature sensing chip (32) detaching from the heat conducting base (33), reducing the risk of sampling accuracy decrease or sampling data loss of the temperature sampling asse
Resumen de: EP4583247A1
A method and a system for recycling a metal from a lithium secondary battery are provided. In the method for recycling a metal from a lithium secondary battery, a cathode active material mixture containing lithium is prepared. A lithium precursor is produced by reducing the cathode active material mixture. A lithium precursor aqueous solution is formed by dissolving the lithium precursor in water. The lithium precursor aqueous solution is passed through an aluminum adsorption resin column to adsorb aluminum to the aluminum adsorption resin column. A first treatment liquid including distilled water is injected into the aluminum adsorption resin column at a flow rate of 100 L/hr to 1,200 L/hr to obtain a regenerated aluminum adsorption resin column from which aluminum is desorbed.
Resumen de: EP4583183A1
Provided in the present application are an electrode sheet, and a battery cell, a battery and an electric device related thereto. The electrode sheet comprises a current collector and an active substance layer arranged on at least one surface of the current collector, wherein the active substance layer comprises an active substance and an ether polymer and satisfies formulae (1) to (3). The ether polymer, which serves as a constituent part of the active substance layer, can form uniform high-infiltration points inside the active substance layer and uniformly improve the infiltration performance of the active substance layer, such that the overall liquid absorption speed of the active substance layer is increased, and the cycling performance of a battery cell is improved. λ=1−P1P2v=π×d22×h×ρtv/λ>1.00
Resumen de: EP4583238A1
A battery pack may be provided. The battery pack may include a plurality of battery modules disposed along rows and columns; a plurality of slave battery management systems (BMSs) configured to disposed between two adjacent battery modules in each row of a plurality of rows among the plurality of battery modules, and configured to detect status information of the two battery modules; and a master BMS configured to receive status information of the plurality of battery modules through wireless optical communication with the plurality of slave BMSs, wherein two slave BMSs among the plurality of slave BMS may be configured to dispose at different heights.
Resumen de: EP4583231A1
The present application provides an electrolyte for a sodium secondary battery, a sodium secondary battery, and an electric device. The electrolyte for a sodium secondary battery comprises a diluent, and the diluent comprises an alkyl alkoxy silane compound. According to the present application, adding a diluent comprising an alkyl alkoxy silane compound into an electrolyte can reduce gas production of batteries at high temperatures, and improve the safety of the batteries.
Resumen de: EP4583288A1
The present application belongs to the technical field of batteries. Disclosed are a battery cell, a battery and an electric device. The battery cell comprises a casing, wherein the casing comprises a first wall, which comprises an inner surface and an outer surface arranged opposite each other, and a first through hole penetrating the inner surface and the outer surface; an electrode terminal at least partially penetrates the first through hole; a sealing member is used for sealing a gap between the electrode terminal and the first wall; a connector is disposed outside the battery cell and connected to the electrode terminal; a first insulating member is at least partially disposed between the connector and the first wall so as to separate the connector from the first wall; and a flow guide channel is formed between the first insulating member and the first wall, and the flow guide channel is in communication with the first through hole so as to, when the sealing member fails, cause the inside of the battery cell to be in communication with the outside. If the sealing member fails, the inside of the battery cell can be in communication with the outside by means of the flow guide channel, thereby improving the accuracy of a sealing performance test result of the battery cell.
Resumen de: EP4582573A1
To provide a method whereby a valuable metal can be efficiently recovered from a waste lithium-ion battery,the present invention is a method for recovering a valuable metal from a waste lithium-ion battery, and comprises an oxidation roasting step S3 for performing oxidation roasting treatment of a raw material that includes a waste lithium-ion battery, and a reduction step S4 for reducing a resultant oxidation roasted product in the presence of carbon. The present invention is characterized in that dust in an exhaust gas that is generated in the oxidation roasting step S3 is subjected to heat treatment at no less than 600°C but less than 1000°C to perform recovery, and at least a portion of the recovered heat-treated dust is added to material to be treated in the reduction step S4. The temperature of heat treatment of the dust is preferably no less than 900°C but less than 1000°C.
Resumen de: CN119698697A
The invention relates to a polymer comprising or consisting essentially of monomeric units derived from 1, 3-butadiene, acrylonitrile and optionally methacrylic acid, the weight content of monomeric units derived from 1, 3-butadiene being at most 65 wt.-% relative to the total weight of the polymer. The polymer can be used to make cathodes for battery cells. The invention further relates to a cathode of a battery cell comprising the polymer and to a composition comprising the polymer and gamma-valerolactone.
Resumen de: AU2023332289A1
The present invention relates to a method for recovering lithium from a stream containing lithium, the method comprising contacting the stream, or a pre-treated solution obtained from said stream, with an aluminium-containing material to form a precipitate comprising lithium aluminate, at an alkaline pH; and recovering a slurry of said lithium aluminate.
Resumen de: WO2024047036A1
A heat storage unit and heat exchanger has a first fluid line, a second fluid line, a heat exchanger and a storage container. The heat exchanger is designed to transfer heat between the first fluid line and the second fluid line. The storage container is designed to receive a thermal storage medium. At least a portion of the heat exchanger is arranged in the storage container in order to allow heat transfer between the heat exchanger and the thermal storage medium.
Resumen de: WO2024046889A1
The present invention relates to a method for reconditioning lithium-containing energy accumulators, the method comprising at least the following method steps: i) possibly pretreating the lithium-containing energy accumulator, with the pretreatment comprising at least one of the following: thermal, mechanical and electrical pretreatment; ii) pyrolyzing the possibly pretreated lithium-containing energy accumulator, with the release of carbon dioxide, and with at least partial carbonation, under a carbon-dioxide atmosphere, of the lithium contained; iii) separating lithium in a separating step; and iv) hydrometallurgically reconditioning the mixture obtained in method step iii), with further carbonation of the lithium contained and with separation of lithium in a further separating step, with v) carbon dioxide released in method step ii) being returned in at least one of method steps ii) and iii).
Resumen de: WO2024046830A1
The invention relates to a monocell stack for a battery cell, having a number of monocells (M) stacked one above the other in the stacking direction, each of which monocells (MS) is assembled from, in alternation in the stacking direction, an electrode sheet (K), a separator sheet (S1), a mating electrode sheet (A) and a further separator sheet (S2). According to the invention, the two separator sheets (S1, S2) are components of a double sheet layer (D), which are folded around the electrode sheet (K) in a U-fold along a folding edge (11). The mating electrode sheet (A) is arranged on the outer side of one of the separator sheets (S1, S2).
Resumen de: EP4582283A1
The disclosure relates to a motor drive system with an external discharge function, and a vehicle including same. The motor drive system provides, through an alternating current output interface (230), an alternating current output for external discharge, and the alternating current output interface (230) includes a first output terminal (280) and a second output terminal (290). The motor drive system includes: a battery module (110), a bridge arm module (120), an inductor module (210), a capacitor module (220), and a switching module. The battery module (110) has a battery voltage, and is provided with a battery output terminal (X) at an intermediate voltage position of the battery voltage, and the battery output terminal (X) is connected to the first output terminal (280); the bridge arm module (120) is connected in parallel with the battery module (110); one terminal of the inductor module (210) is connected to the second output terminal (290), and the other terminal is connected to the bridge arm module (120); and one terminal of the capacitor module (220) is connected to the second output terminal (290), and the other terminal of the capacitor module (220) is connected to the first output terminal (280). In the disclosure, when a vehicle is not equipped with an OBC, the external discharge function of the vehicle is implemented by controlling turn-on/turn-off of the bridge arm module (120) and the switching module.
Resumen de: EP4583177A1
A method of manufacturing an electrode includes applying a first liquid composition containing a first solvent and polymerizable compounds to a substrate, reacting the first liquid composition, removing the first solvent to form an insulating resin layer, applying a second liquid composition containing an active material and a second solvent to the substrate, and removing the second solvent composition to form an electrode composite layer, wherein the removing the first solvent and the removing the second solvent are conducted at the same time.
Resumen de: EP4583359A1
A method and apparatus for setting a battery pack identifier may be provided. The apparatus for setting a battery pack identifier of a battery pack may include, a first supply configured to supply a power source voltage through a first pin; a second supply configured to supply a ground voltage through a second pin; a plurality of analog-to-digital converters configured to have an input pin and an output pin, and configured to transmit a voltage corresponding to a voltage input through the input pin to the output pin; a plurality of jumper wiring configured to connect input pins of the plurality of analog-to-digital converters with the first pin or the second pin, respectively; and a controller configured to set the battery pack identifier of the battery pack based on the voltages received through the output pin of each of the plurality of analog-to-digital converters.
Resumen de: EP4582572A1
Provided is a method for cost-effectively recovering valuable metals from waste lithium-ion batteries through a pyrometallurgical process.The present invention pertains to a method for recovering valuable metals from waste lithium-ion batteries, the method comprising: an oxidation roasting step S3 in which raw materials including waste lithium-ion batteries are subjected to an oxidation roasting treatment; and a reduction step S4 in which the obtained oxidation roasted product is reduced in the presence of carbon. In the oxidation roasting step S3, calcium carbonate is charged into a furnace together with the raw materials including waste lithium-ion batteries to control the treatment temperature of the oxidation roasting treatment.
Resumen de: EP4582571A1
To provide a method of recovering, at low cost, valuable metals from waste lithium-ion batteries by a dry smelting process.The present invention is a method of recovering valuable metals from waste lithium-ion batteries, the method comprising: an oxidation roasting step S3 in which oxidation roasting is implemented on a raw material containing waste lithium-ion batteries; and a reduction step S4 in which the obtained oxidation-roasted matter is reduced in the presence of carbon. In the oxidation roasting step S3, an oxidant of 1.5 times or more the chemical equivalent of carbon within the raw material to be treated is introduced, and the oxidation roasting is carried out at a processing temperature selected in a range of 600°C to 900°C, so that the carbon grade of the obtained oxidation-roasted matter will be less than 1.0 mass%
Resumen de: EP4583300A1
A power storage device including: an electrode body including a positive electrode and a negative electrode being wound with a separator interposed therebetween; and a negative electrode current collector plate joined to the negative electrode disposed at one end in an axial direction of the electrode body. The current collector plate includes a core material joint part extending in a radiation direction of the electrode body, and including a surface facing the negative electrode joined to the negative electrode in the axial direction, and eaves parts formed on both end parts in a circumferential direction of the core material joint part, and extending toward the negative electrode in the axial direction.
Resumen de: EP4583175A1
A cylindrical battery (10) which is one example of an embodiment of the present invention comprises, as an electrode plate, an electrode (14) that includes a positive electrode plate (11) and a negative electrode plate (12). The electrode plate includes: a core; a mix layer which is formed on the core; a lead which is connected to an exposed section of the core at which the surface thereof is exposed; and an identification display. In the exposed section, at least a part of the identification display is formed within a projection range in which the contour of the lead is projected.
Resumen de: EP4583191A1
A negative electrode for secondary batteries according to one embodiment of the present disclosure is characterized by comprising a negative electrode current collector and a negative electrode mixture layer that is arranged on the negative electrode current collector, and is also characterized in that: the negative electrode mixture layer contains a binder and a negative electrode active material that contains a carbon material and an Si-based material; the pore size distribution of the negative electrode mixture layer as determined by a mercury intrusion method has two peak values R1 and R2; the peak value R1 is within the range of 0.5 µm to 1.5 µm; the peak value R2 is within the range of 2 µm to 10 µm; and the content of the binder contained in the negative electrode mixture layer is 4% by mass or more with respect to the total mass of the negative electrode active material.
Resumen de: EP4583233A1
A separator film cutter includes a melt cutting unit configured to produce a melting portion by locally heating a separator film, with a tensile force being applied to opposite ends of the separator film, to cut the separator film, a driver configured to drive the melt cutting unit to selectively contact the separator film, and a controller configured to control the driver to heat the separator film by causing the separator film and the melt cutting unit to be in contact for a predetermined time.
Resumen de: EP4583314A1
The present disclosure provides a battery assembly that solves the problem of low space utilization of battery assembly in the prior art. The battery assembly includes a circuit board, a male connector, a female connector, a wire, and a battery. The wire is electrically connected to the male connector. The battery includes a step structure. The circuit board is provided on the step structure and is electrically connected to the battery. The female connector is provided on the circuit board and is electrically connected to the circuit board, and the male connector is capable of being plugged into the female connector. When the male connector is plugged into the female connector, the female connector is electrically connected to the male connector. The present disclosure may effectively improve space utilization and simplify the assembly process of battery assembly.
Resumen de: EP4582569A2
A battery crushing method includes cooling a battery, which is kept in a gaseous environment, to an electric discharge temperature ranging from -60 °C to 0 °C; and after cooling, crushing the battery at a crushing temperature to form a plurality of crushed particles. The crushing temperature is not greater than a temperature ranging from -10 °C to 10 °C.
Resumen de: EP4583289A1
A battery pack is provided which is capable of exhausting high-pressure gas from a desired position of a case. Battery pack 100 includes: one or more secondary battery cells 1 each of which includes an outer covering can with a safety valve; outer covering case 10 that houses one or more secondary battery cells 1 and includes a portion in which exhaust hole 13 is provided for exhausting the high-pressure gas to outside when the safety valve of one of the one or more secondary battery cells 1 is opened to exhaust the high-pressure gas; and label 20 that is adhered to a peripheral edge of exhaust hole 13 of outer covering case 10 to close exhaust hole 13. Label 20 includes an adhesive surface that is adhered to outer covering case 10, and the adhesive surface includes a portion in which rupture origin part 22 is provided.
Resumen de: EP4583299A1
An anode lead (20) is bonded between a winding start side end (42a) of an anode mixture layer (42) and a winding finish side end (42b) of the anode mixture layer (42) in an α direction of an electrode (11). When a position opposite to an anode start end is defined as a first position (A) and the center position of a portion opposite to the anode lead (20) is defined as a second position (B) in a cathode mixture layer (52) in a γ direction of a cathode (12), a cathode lead (21) is bonded between the first position (A) and the second position (B) with respect to the γ direction of the cathode (12). A cathode core (51) is made to contact the inner peripheral surface of the outer casing.
Resumen de: EP4583298A1
According to the present invention, a positive electrode (11) includes, between the winding start side end (42a) of a positive electrode mixture layer (42) and the winding end side end (42b) of the positive electrode mixture layer (42) in an α-direction, a first positive electrode core exposed portion (45) which is positioned at one edge in a β-direction and to which a positive electrode lead (20) is connected, and a second positive electrode core exposed portion (46) which is positioned at the other edge in the β-direction and at least part of which is opposite the first positive electrode core exposed portion (45) in the β-direction with a part (42c) of the positive electrode mixture layer (42) therebetween. The part (42c) of the positive electrode mixture layer (42) is disposed between the first positive electrode core exposed portion (45) and the second positive electrode core exposed portion (46) in the β-direction. The width-direction length a between the first positive electrode core exposed portion (45) and the second positive electrode core exposed portion (46) is not less than 10% of the β-direction length b of the positive electrode (11).
Resumen de: EP4582373A1
An object is to provide a carbon material that can achieve high electrical conductivity or durability together with flexibility against compression and to provide a power storage device containing the carbon material inside an electrode. The present invention provides a carbon material having a bulk modulus K that is less than or equal to 2 GPa and an average graphene domain size L that is greater than or equal to 50 nm, a cathode (212) for a power storage device and an anode (214) for a power storage device in which the carbon material is used as a conductive agent, and a power storage device (200) including a cathode and/or an anode including the carbon material as a conductive agent.
Resumen de: EP4583192A2
The present invention provides a negative electrode sheet and a battery. The negative electrode sheet comprises a negative current collector and a negative electrode film provided on at least one surface of the negative current collector and comprising a negative active material, and the negative electrode film satisfies: 4≤P×(30-Dv50)/2+2×(10-M)≤20. P represents a porosity of the negative electrode film; Dv50 represents a volume median particle diameter of the negative active material, and a unit is µm; M represents a capacity per unit area of a negative electrode film, and a unit is mAh/cm<2>. The negative electrode sheet of the present invention has the characteristics of excellent dynamics performance, and the battery of the present invention also has the characteristics of excellent dynamics performance, long cycle life and high energy density at the same time.
Resumen de: EP4582575A1
One aspect of the present disclosure provides an aluminum alloy sheet for a tab including 0.10 mass% or more and 0.60 mass% or less of Si, 0.20 mass% or more and 0.70 mass% or less of Fe, 0.10 mass% or more and 0.40 mass% or less of Cu, 0.5 mass% or more and 1.2 mass% or less of Mn, 1.1 mass% or more and 4.0 mass% or less of Mg, and a balance consisting of or including Al and inevitable impurities. A sheet thickness t (mm) and a tensile strength σB_0° (MPa) in a 0-degree direction with respect to a rolling direction satisfy the following formula (1): 2.7×t−0.45×σB_0°≥67
Resumen de: WO2025078826A1
The invention relates to a process for preparing composite particles, the process comprising the steps of: (a) providing a plurality of porous particles in a pressure reactor; (b) contacting the plurality of porous particles with a silicon precursor gas at conditions effective to cause deposition of silicon in the pores of the porous particles to provide composite particles comprising a porous particle framework and elemental silicon within the pores of the porous particle framework.
Resumen de: EP4583278A1
A secondary battery module may include a plurality of cylindrical cells, a cell holder holding the plurality of cylindrical cells, and a first case accommodating the plurality of cylindrical cells and the cell holder. The first case may include an open side, wherein potting material may be applied to at least a portion of top surfaces of the plurality of cylindrical cells and a surface of the cell holder to seal the plurality of cylindrical cells and the cell holder.
Resumen de: EP4583295A1
A battery separator and a preparation method therefor, and a secondary battery, relating to the technical field of battery separators. The battery separator comprises: a base film; and an inorganic coating provided on at least one surface of the base film. A contact ratio k of inorganic particles to the base film in the longitudinal section of the battery separator is 15-90%; and the relationship among the contact ratio k, air permeability A1 of the base film and air permeability A2 of the coating per unit thickness meets: A1*k≥A2. The separator is improved to a certain extent in peel strength, puncture strength and air permeability, and the battery separator with both safety and high ion permeability is provided.
Resumen de: EP4583290A1
Some embodiments of this application provide a battery cell and an electric apparatus, and relate to the field of battery technologies. The battery cell includes a housing and a pressure relief mechanism. The housing is provided with a first through hole and the pressure relief mechanism covers the first through hole. The pressure relief mechanism includes an adhesive film, and the adhesive film can be heated and melted to form a pressure relief channel connecting the inside and outside of the housing. The pressure relief mechanism has good thermal sensitivity, allowing for highly reliable pressure relief, thus improving the safety of the battery cell. In addition, as compared with the pressure relief mechanism with engraved grooves, no large space needs to be reserved in some embodiments, allowing for a more compacted structure of the electric apparatus and lower preparation costs of the pressure relief mechanism.
Resumen de: EP4583226A1
The present application provides a sodium ion battery, comprising a positive electrode plate, a negative electrode plate and an electrolyte. The negative electrode plate comprises a negative electrode current collector and a primer coating layer formed on the surface of the negative electrode current collector. The electrolyte comprises a first sodium salt, and the first sodium salt includes at least one of a sulfur-containing organic sodium salt and a boron-containing organic sodium salt, and the sodium ion battery satisfies the following relationship: 0.84 ≤ Y - 0.01X ≤ 5.84, wherein X g/m<2> is the areal density of the primer coating layer, and Y% is the mass content of the first sodium salt, based on the total mass of the electrolyte.
Resumen de: EP4583224A1
A disclosed lithium secondary battery includes a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, a spacer, and a non-aqueous electrolyte having lithium-ion conductivity. The negative electrode is an electrode onto which lithium metal is deposited during charging and from which lithium metal dissolves during discharging. The spacer (53) is formed on one main surface of one of the positive electrode, the negative electrode, and the separator. The spacer (53) includes linear first protrusions (53a) forming a periodically repeated pattern, and a plurality of second protrusions (53b) that are not in contact with the first protrusions (53a). The first protrusions (53a) include a plurality of annular portions that are connected to each other. The second protrusions (53b) are arranged inside the annular portions.
Resumen de: EP4583223A1
A disclosed lithium secondary battery includes a positive electrode, a negative electrode, a separator (50) disposed between the positive electrode and the negative electrode, a spacer (53) disposed on the separator (50), and a non-aqueous electrolyte having lithium-ion conductivity. The negative electrode is an electrode onto which lithium metal is deposited during charging and from which lithium metal dissolves during discharging. The separator (50) includes a base layer (51) and a composite material layer (52). In a plan view, the shortest distance from any point on the spacer (53) to the outer edge of the spacer (53) is less than 1.5 mm, and the spacer (53) has a width of 0.01 mm or more. The composite material layer (52) contains a polymer and inorganic particles.
Resumen de: EP4583180A1
An electrode 10 of the present disclosure includes an electrode active material and a solid electrolyte in contact with the electrode active material, the electrode active material includes an oxide containing titanium and containing no lithium, and the oxide exists in a state of particles having a median diameter of more than 2 µm and less than 7 µm. A battery 100 of the present disclosure includes a positive electrode 20, a negative electrode 30, and an electrolyte layer 40 placed between the positive electrode 20 and the negative electrode 30, and the positive electrode 20 or the negative electrode 30 includes the electrode 10 of the present disclosure.
Resumen de: EP4583205A1
A negative electrode active material for a secondary battery includes silicate composite particles each including a silicate phase and silicon phases. The silicon phases are dispersed in the silicate phase. The silicon phases contain phosphorus element in addition to silicon.
Resumen de: EP4582823A1
An object is to appropriately estimate capacity deterioration of a storage battery. To this end, a capacity deterioration estimation device (110) includes a data receiver (112) configured to receive measurement results of a current value (I) and a voltage value (V) of a storage battery (101) from a measuring part (102) configured to measure the current value (I) and the voltage value (V); and a first capacity deterioration estimator (114), and the first capacity deterioration estimator (114) has a function of reading first to fourth tables (MP1 to MP4) from a table storage (116) and a function of calculating a first estimated capacity deterioration rate (SOHQ<sub>A</sub>) based on first to fourth relational expressions at start of charging.
Resumen de: EP4583210A1
This application discloses an electrochemical device and an electronic device. The electrochemical device includes: a positive electrode plate, a negative electrode plate, a separator, and a shape-memory alloy component. The positive electrode plate includes a positive current collector and a positive active material layer. The negative electrode plate includes a negative current collector and a negative active material layer. The separator is disposed between the positive electrode plate and the negative electrode plate. The shape-memory alloy component is disposed on one side of the positive current collector and/or the negative current collector, the side being oriented toward the separator. The shape-memory alloy component is spaced apart from the positive current collector. The shape-memory alloy component includes a phase change portion and a support portion. The phase change portion includes a first end and a second end disposed opposite to each other. The first end is connected to the support portion. When a temperature of the electrochemical device is higher than a preset temperature, the second end deforms toward the separator to puncture the separator, and the support portion deforms in a reverse direction relative to the phase change portion, so that the phase change portion exerts a sufficient force to puncture the separator, thereby reducing the risk of thermal runaway of the electrochemical device.
Resumen de: EP4583209A1
This application provides a current collector, an application of the current collector, a secondary battery, a battery module, a battery pack, and an electrical device. An undercoat is formed on a surface of the current collector. The undercoat includes a carbon nanomaterial. The carbon nanomaterial includes at least two selected from a zero-dimensional carbon material, a one-dimensional carbon material, or a two-dimensional carbon material. The undercoat is conducive to reducing a nucleation overpotential in metal ion deposition, and can effectively induce uniform deposition of metal ions, regulate the metal ion deposition, effectively suppress dendrite growth of the metal ions, and improve cycle performance and safety of the battery.
Resumen de: EP4583257A1
Provided are a battery cell (20), a battery (100), and an electrical apparatus, where the battery cell (20) includes an electrode assembly (22), a case (21), and a current collecting end cover (23). The electrode assembly (22) has a first tab (221A), the case (21) defines an accommodation space and an opening located at an end of the accommodation space, the accommodation space being used to accommodate the electrode assembly (22), and the current collecting end cover (23) is fixedly connected to the case (21), the current collecting end cover (23) sealingly covers the opening of the case (21), and the current collecting end cover (23) is electrically connected to the first tab (221A).
Resumen de: EP4583174A1
A disclosed electrode plate 21 includes: a band-shaped core body 22 having a first principal surface 23 and a second principal surface 24; and an active material layer 27 formed on each of the first principal surface 23 and the second principal surface 24. The core body 22 includes a double-side coated part 25 on which the active material layer 27 is formed on each of the first principal surface 23 and the second principal surface 24, and an exposed part 26 provided continuously with the double-side coated part 25 and on which the active material layer 27 is not formed at least on the first principal surface 23. The first principal surface 23 on the exposed part 26 has an identification indication part 28 formed thereon in a region within 90% of an area located toward a center in a width direction of the core body 22. Thus, it is possible to accurately form an identification indication part.
Resumen de: EP4583185A1
An object of the present invention is to provide a positive electrode capable of achieving both a high energy density and a long life of a lithium ion secondary battery. The positive electrode for the lithium ion secondary battery of the present invention includes a positive electrode current collector; and a positive electrode active material layer laminated on the positive electrode current collector, in which the positive electrode active material layer includes a positive electrode first active material layer laminated on the positive electrode current collector, and a positive electrode second active material layer laminated on the positive electrode first active material layer, the positive electrode first active material layer includes a positive electrode first active material containing a lithium-containing composite oxide containing Li and Ni as a main component, the positive electrode second active material layer includes a positive electrode second active material containing a lithium-containing composite oxide containing Li and Ni as a main component, and a molar fraction of Ni in the positive electrode second active material of the positive electrode second active material layer is smaller than the molar fraction of Ni in the positive electrode first active material of the positive electrode first active material layer.
Resumen de: EP4583179A1
An object of the present invention is to provide a negative electrode for a lithium ion secondary battery capable of achieving an improvement in a charging performance and long life of the battery. The negative electrode for a lithium ion secondary battery of the present invention includes a negative electrode current collector, a negative electrode active material layer laminated on the negative electrode current collector, in which the negative electrode active material layer includes a negative electrode first active material layer laminated on the negative electrode current collector and a negative electrode second active material layer laminated on the negative electrode first active material layer, in which the negative electrode first active material layer includes a negative electrode first active material, and the negative electrode second active material layer includes a negative electrode second active material, and in which a BET specific surface area of the negative electrode second active material is larger than the BET specific surface area of the negative electrode first active material.
Resumen de: EP4582374A1
The present disclosure relates to the technical field of carbon black materials, and particularly to a granular carbon black and a preparation method therefor, an electrode and a secondary battery. For the granular carbon black, particle size distribution of the granular carbon black ranges as follows: a weight percent of granular carbon black with a particle diameter less than 0.125 mm is equal to or less than 2 %, a weight percent of granular carbon black with a particle diameter ranging from 0.125 to 0.85 mm is from 18 % to 60 %, and a weight percent of granular carbon black with a particle diameter more than 0.85 mm is from 40 % to 80 %; and a secondary particle diameter D50 of the granular carbon black ranges from 2.0 µm to 3.51 µm. The granular carbon black of the present disclosure has suitable particle size distribution, which not only reduces the pulverization phenomenon, but also can remarkably improve the bulk density and dispersibility, thus being conducive to giving full play to electrical conductivity and other performances.
Resumen de: EP4583272A1
A battery assembly of the present disclosure includes: a plurality of battery cells, which each include a main body portion storing and supplying electric energy and a tab portion protruding outwardly from the main body portion and electrically connecting the main body portion and the outside and are stacked along one direction; an accommodating housing accommodating the plurality of battery cells therein; a busbar assembly positioned inside the accommodating housing and including a through-hole formed on one surface thereof, wherein the tab portion is inserted into the through-hole to electrically connect at least a part of the plurality of battery cells to each other; and a pillar-shaped flame retardant portion positioned in an insertion space formed between the main body portion and the busbar assembly by tab portions of two adjacent battery cells among the plurality of battery cells.
Resumen de: EP4583204A1
A battery pack comprising: a housing (14) including an interface couplable to an external device (20) configured to perform a group of applications, and a plurality of battery cells disposed within the housing and electrically connected to the interface, the battery cells including a cathode, an anode, and a separator; wherein the plurality of battery cells is configured to provide power to the external device for a runtime,wherein the plurality of battery cells is configured to fully recharge within a charge time, and wherein the charge time is less than a sum of the runtime plus a rest time corresponding to the time taken to prepare a new application group.
Resumen de: EP4583240A1
A battery pack (1) includes a battery cell (20) and a pouch (30) accommodating the battery cell (20). The pouch (30) includes a terrace (31) extending in a first direction in which an electrode of the battery cell (20) is drawn out. The pouch (30) also includes a substrate (50) including a protection element (500) on a first surface (51) configured to control charging and discharging of the battery cell (20). A second surface (52) opposing the first surface (51) is opposite to a module seating surface (311) of the terrace (31). The pouch (30) also includes a molding portion (70) covering the protection element (500) on the first surface (51), and a support (60) between the molding portion (70) and the substrate (50) and configured to support the substrate (50).
Resumen de: EP4583218A1
A mandrel member (100) of a winder for a secondary battery, which is mounted in a winder configured to manufacture a jelly roll-type electrode assembly by winding a stack of a first electrode plate (21), a separator (22), and a second electrode plate (23), the mandrel member (100) comprising a cylindrical body having a hollow portion (120), wherein the cylindrical body includes a plurality of slits (110) crossing the cylindrical body in a hollow axis direction so that the hollow portion (120) inside the cylindrical body is in fluid communication with the outside of the cylindrical body.
Resumen de: EP4583216A1
The present disclosure provides a battery cell, a method for manufacturing a battery cell, a battery, and an electric apparatus. The battery cell comprises: an electrode assembly, comprising: a positive electrode plate comprising a positive electrode current collector and a positive electrode active material layer at least located on the surface on one side of the positive electrode current collector; a negative electrode plate comprising a negative electrode current collector; a separator located between the positive electrode plate and the negative electrode plate; and an insulating member located at one end of the negative electrode plate and/or the positive electrode plate that is not covered by the separator.
Resumen de: EP4583201A1
This application discloses a negative electrode active material and a preparation method therefor, a negative electrode plate, a battery, and an electrical device. The negative electrode active material includes a carbon core; a porous carbon skeleton layer, having an accommodation space inside, where the carbon core is located in the accommodation space; a carbon cladding layer, where the carbon cladding layer is cladded on at least a part of an outer surface of the porous carbon skeleton layer; and a wave absorbing material and silicon-based particles, where the wave absorbing material and the silicon-based particles are respectively and independently distributed in a region in which the carbon core is located and a region in which the porous carbon skeleton layer is located.
Resumen de: EP4583197A1
Provided are a positive electrode material, a preparation method thereof, a positive electrode plate, a battery and an apparatus. The positive electrode material includes a positive electrode active substance, the positive electrode active substance including a first component and a second component. The heat stability of the first component is higher than that of the second component, and the positive electrode material meets the following formula: α=W1×448C1×U112+W2×709C2×U2W1+T×W2350, wherein, α is a characteristic parameter of the positive electrode material, W1 is a mass ratio of the first component to the positive electrode active substance, W2 is a mass ratio of the second component to the positive electrode active substance, C1 is a gram capacity of the first component, C2 is a gram capacity of the second component, U1 is a working voltage of the first component, U2 is a working voltage of the second component, T is a temperature at an exothermic peak of the second component in differential scanning calorimetry characterization, 0.8≤α≤1.03.According to the embodiment of the present disclosure, by mixing the first component with higher heat stability and the second component with lower heat stability, the heat stability of the positive electrode material can be improved, so that higher safety performance is obtained.
Resumen de: WO2024047598A1
The present disclosure relates to a system (100) for manufacturing spheroidized graphite powder, the system includes a feeder (104) adapted to convey primarily crushed particles to a grinding section (106). A first classifier (108) is located at the top portion of the chamber and is configured to receive the milled particles and adapted to separate the milled particles into a first particle and a second particle. A controller (112) operatively coupled to the one or more motors (110), the controller configured to operate the one or more motors at progressively varying RPM, at higher RPM it cuts the rough edges of the particle to form the first fine graphite particle and second shaped graphite particle and when the it RPM decreased to lower level, the surface smoothening of shaped particle process occurs, which results smooth surfaced spherical graphite.
Resumen de: AU2025200934A1
- 78 Lead-acid batteries or cells, electrodes and bipolar plates for the same, and methods of 5 manufacturing the same are provided. The lead-acid batteries comprise a positive and/or negative electrode having a specific pore size diameter distribution. The pore size diameter distribution may comprise: a ratio of a volume of pores having a pore size diameter greater than 20 m to a total pore volume of at least 15%; or a volume of pores having a pore size diameter greater than 20 m of at least 0.020 ml/g.
Resumen de: EP4583251A1
A battery heating device comprises a controller, a power battery, a target winding and a target bridge arm. The power battery comprises a first battery module and a second battery module. A first end of the target winding is connected to a negative electrode of the first battery module and a positive electrode of the second battery module, and a second end of the target winding is connected to the midpoint of the target bridge arm. A first end of the target bridge arm is connected to a positive electrode of the first battery module, and a second end of the target bridge arm is connected to a negative electrode of the second battery module. The controller is connected to the target bridge arm, and is configured to: control, in a parking heating mode, the target bridge arm to cause the first battery module and the second battery module to charge and discharge alternately, thereby heating the power battery.
Resumen de: EP4583195A1
Embodiments of the present disclosure disclose a low-cost alkaline secondary battery positive electrode material and a preparation method and application thereof, which belongs to the technical field of alkaline secondary battery. The key points of the technical solution of the present disclosure is one of positive electrode active material of a low-cost alkaline secondary battery and s a composite positive electrode material including manganese dioxide and partially oxidized layered hydroxide, a composite positive electrode material including manganese dioxide and layered hydroxide, or a composite positive electrode material including manganese dioxide, conductive material, and one of layered hydroxide, partially oxidized layered hydroxide, or layered hydroxide. A method for preparing a zinc negative electrode material for the low-cost alkaline secondary battery and a zinc nickel secondary battery using the negative electrode material are provided. The composite positive electrode material prepared by the present disclosure has the advantage of a high discharge platform, high capacity, and good cycling stability, or the like, with respect to a conventional manganese electrode, which significantly improves the cycling stability and reversibility of the zinc-manganese alkaline secondary battery and improves the cycling life.
Resumen de: EP4583222A2
Proposed are a high-temperature pressurizing system 1 for an all-solid-state secondary battery, and a method thereof. More specifically, Proposed are a high-temperature pressurizing system 1 for an all-solid-state secondary battery, and a method thereof, in which a pressurizing part, where a high-temperature pressurizing process is performed between a solid electrolyte and an active material of an all-solid-state secondary battery to maximize a contact interface and minimize an interfacial resistance, is configured along a perpendicular direction, thereby eliminating the need for a process of discharging a fluid from an internal space of a vessel after completing the high-temperature pressurizing process, reducing a tact time. At the same time, a plurality of pressurizing parts is arranged at predetermined intervals, thereby increasing process efficiency.
Resumen de: EP4583200A1
This application provides a positive electrode material and a preparation method therefor, positive electrode slurry, a positive electrode plate and a preparation method therefor, a secondary battery and a preparation method therefor, and a power consuming apparatus. The positive electrode material includes a positive electrode active material and a cladding layer located on at least a part of a surface of the positive electrode active material. The positive electrode active material includes a material whose chemical formula is LiNi1-xMxO2, 0≤x≤0.2, M includes at least one of Co, Mn, Al, Fe, Cu, and V, and the cladding layer includes at least one of a sulfur element, a selenium element, and a tellurium element. When the positive electrode material is used to prepare a secondary battery, the cladding layer may react with a lithium impurity of the positive electrode active material, to reduce a lithium impurity content of the positive electrode active material of the secondary battery and improve cycle performance of the battery.
Resumen de: EP4583208A1
The present application provides a silicon-based negative electrode active material, the silicon-based negative electrode active material comprising a silicate phase containing an alkaline earth metal element, and the silicon-based negative electrode active material simultaneously containing the K element and the Fe element.
Resumen de: EP4583225A1
The present application relates to a secondary battery and a power consuming device comprising same. The secondary battery comprises a negative electrode plate and a separator, wherein the negative electrode plate comprises a negative electrode current collector and a negative electrode film layer provided on at least one side of the negative electrode current collector; and with the capacity per unit area of the negative electrode film layer being denoted as C, and the pore volume per unit area of the separator being denoted as V, the secondary battery satisfies: 0.05 cm<3>/Ah ≤ V/C ≤ 0.3 cm<3>/Ah, where C is in mAh, and V is in cm<3>. The secondary battery has a good cycling performance.
Resumen de: EP4583303A1
The present invention relates to a secondary battery and a method for manufacturing the secondary battery, and relates to a secondary battery, which is capable of tightly coupling a safety vent and a current interrupt device (CID) to each other so that a leak path of an electrolyte or the like in the secondary battery is prevented from generating in a coupling part for the safety vent and the current interrupt device to improve quality of the battery, and which enables easy recognition of a weak coupling defect through an X-ray test or the like even when the safety vent and the current interrupt device are weakly coupled, so that the defect is prevented from occurring, and a method for manufacturing the secondary battery.
Resumen de: EP4582249A1
The present invention provides a sheet-like thermal insulating material (flame barrier insulating laminate) that is shapable into a three-dimensional and has excellent handling properties, and a thermal insulating structure with a three-dimensional shape made from the laminate. The flame barrier insulating laminate comprises at least one flame barrier insulating layer and one prepreg layer. The flame barrier insulating layer is made of a sheet having a thickness of 0.1 to 3.0 mm, in which inorganic fibers with a heat resistance temperature of 1000°C or higher are entangled in a random direction. The prepreg layer is a prepreg sheet in which an inorganic fiber base fabric is impregnated with a semi-cured thermosetting resin. The thermosetting resin of the prepreg layer in the flame barrier insulating laminate is fully cured, resulting in a flame barrier insulating structure with a desired shape.
Resumen de: EP4583248A1
This application discloses a battery module, an energy storage cabinet, and an energy storage system, to reduce a risk of thermal runaway diffusion and improve use safety of the battery module. The battery module includes a housing, and a plurality of battery cells and a first exhaust pipe that are disposed in the housing. The housing is provided with a first vent. The battery cell includes a battery cover and an explosion-proof valve, the battery cover is provided with a through hole, and the explosion-proof valve is configured to block the through hole. The first exhaust pipe communicates with an outside of the housing through the first vent, the first exhaust pipe is provided with an inlet communicating with the through hole of each battery cell, each inlet is covered with a heat-resistant film, and opening pressure of the heat-resistant film is less than opening pressure of the explosion-proof valve.
Resumen de: EP4583260A1
A battery shell, a battery cell and a large-capacity battery, which mainly solve the problem of poor performance of existing large-capacity batteries. The battery shell is provided with a first through hole and is also provided with a pipeline covering the first through hole and extending along a thickness direction of the battery shell, the pipeline is provided with a second through hole on a pipe body, and the first through hole communicates with the second through hole. An electrolyte sharing channel of a large-capacity battery is formed through the pipeline, and battery cells in the large-capacity battery may be in a unified electrolyte environment, thereby improving the performance of the large-capacity battery.
Resumen de: EP4583291A1
Provided are a battery pack thermal runaway flue gas treatment system and a battery pack, which mainly solve the problem of the high cost of an existing battery thermal runaway flue gas treatment method. The battery pack thermal runaway flue gas treatment system comprises a thermal runaway flue gas treatment assembly, wherein the thermal runaway flue gas treatment assembly comprises a pressure relief pipe and an exhaust pipe; one end of the pressure relief pipe communicates with an explosion vent of a battery, and the other end of the pressure relief pipe is connected with the exhaust pipe; one end of the exhaust pipe that is disposed within a box body is connected with the pressure relief pipe, and the other end of the exhaust pipe is disposed at a top end of the box body by passing through the box body; and a height of the exhaust pipe disposed outside the box body is H. Each component of the system has a simple structure, and the cost of the system is very low. Furthermore, the exhaust pipe is disposed at the top end of the box body by passing through the box body, such that a safe distance is formed between battery thermal runaway flue gas and the battery, causing the discharged thermal runaway flue gas to not affect the battery.
Resumen de: EP4582306A1
A battery self-heating system, the system comprising: a power battery pack (21), a first heating module (22), a second heating module (23) and a controller (24), wherein the power battery pack (21) comprises a first battery group (E1) and a second battery group (E2), which are connected in series; the first heating module (22) comprises a first heating sub-module (221) and a second heating sub-module (222); the second heating module (23) comprises a third heating sub-module (231) and a fourth heating sub-module (232); and the controller (24) is configured to: control the first heating module (22) and the first battery group (E1) to alternately charge and discharge, control the second heating module (23) and the second battery group (E2) to alternately charge and discharge, and control, when one of the first battery group (E1) and the second battery group (E2) is in a discharged state, the other of the first battery group (E1) and the second battery group (E2) to be in a charged state.
Resumen de: EP4582149A1
A fire-fighting foam foaming apparatus, system and method, relating to the technical field of compressed air foam fire suppression, and used for improving the foaming effect. The fire-fighting foam foaming apparatus comprises: an air nozzle assembly, comprising a liquid inlet hole, an air inlet hole, a first air outlet hole, and a flow guiding portion; the liquid inlet hole being in fluid communication with a first flow path, and the liquid inlet hole being located downstream of the first flow path; the air inlet hole being in fluid communication with a second flow path; and a foam mixing chamber, located downstream of the first flow path and the second flow path and in fluid communication with both the first flow path and the second flow path; both the first air outlet hole and the flow guiding portion extending into the foam mixing chamber. The foaming effect is improved.
Resumen de: EP4583188A2
Cathodes and secondary batteries including the cathodes are disclosed. In an embodiment, a cathode includes: a cathode current collector; a first cathode active material disposed on at least one surface of the cathode current collector, and including a first cathode active material; and a second cathode active material layer disposed on the first cathode active material layer, and including a second cathode active material different from the first cathode active material, wherein a Raman peak intensity ratio of the first cathode active material layer is smaller than a Raman peak intensity ratio of the second cathode active material layer.
Resumen de: EP4583239A1
A battery pack includes a battery module including battery cells, and busbars electrically connecting respective ones of the battery cells, and a circuit board connected to the battery module, and including a first part including wires, and extending in a length direction of the battery module, second parts extending from the first part in a direction crossing the first part, and including a circuit pattern including a fuse pattern configured to be opened based on an abnormal current, and a non-fuse pattern configured to maintain electrical connection with one or more of the busbars, and third parts respectively extending from the second parts, and connected to the busbars.
Resumen de: EP4582820A1
A monitoring system according to an embodiment disclosed in this document may include a data management unit configured to acquire drive data of a motor associated with a battery manufacturing device over time and extract a parameter representing a characteristic of the drive data by applying the drive data to an artificial intelligence model, and a controller configured to generate reference information for managing the state of the motor based on the parameter.
Resumen de: EP4583287A1
The present disclosure relates to a battery module. The battery module according to an embodiment of the present disclosure may include first and second end plates disposed on both sides of a plurality of battery assemblies and a support bar connecting the first and second end plates.
Resumen de: EP4583280A1
The present application relates to a cooling structure, a battery and an electrical apparatus. The cooling structure comprises a cooling body and a supporting member, a flow channel is provided inside the cooling body, the supporting member is provided in the flow channel, the supporting member comprises at least two connecting sections and a plurality of buffer sections, every two adjacent connecting sections are fixedly connected to the two opposite inner surfaces of the cooling body along the thickness direction, and the buffer section connects two adjacent connecting sections and is configured to be able to elastically deform after being stressed. In the cooling structure of the present application, the supporting member can support the cooling body in its thickness direction, and the buffer section is configured to be able to elastically deform after being stressed. In this way, when the cooling body is stressed, the buffer section can absorb part of the stress to elastically deform, and the stress on the cold plate is dispersed through the entire supporting member to avoid stress concentration and reduce the impact of the stress on the cooling structure and battery cells, making the battery less susceptible to damage and ensuring its normal use.
Resumen de: US2024097134A1
Disclosed herein is an electrode, comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network; and a first binder material comprising a water soluble styrene butadiene rubber. Disclosed herein too is a method of manufacturing an active layer comprising mixing together a water soluble styrene butadiene rubber, a plurality of high aspect ratio carbon elements, a plurality of electrode active material particles and a solvent to form a slurry; disposing the slurry on a surface of a metal foil; and drying the slurry to form an active layer.
Resumen de: CN119816729A
Disclosed herein is a robot configured to inspect a pipe. The robot may include a housing, a sensing device coupled to the housing, a carbon neutralization power source positioned within the housing, a plurality of wheels rotatably coupled to the housing, and a computing device communicatively coupled to the sensing device and the carbon neutralization power source. The computing device may include a processing unit and a memory to store a software stack that, when executed by the processing unit, causes the computing device to: receive a signal from the sensing device, detect a condition of the pipeline based on the received signal, generate a contextual alert based on the detected condition, and transmit the contextual alert to the computing device. And transmitting the contextual alert to a user of the robot.
Resumen de: EP4583296A1
A cells contact sheet (011), a cells contact system (001) and a battery pack are disclosed. The cells contact sheet (011) is applicable to a battery module including cell groups and includes cells contact sub-sheets (111) and at least one connecting sheet (112). The cells contact sub-sheets (111) are configured to acquire work signals of the cell groups, respectively. The connecting sheet (112) is arranged between every two adjacent ones of the cells contact sub-sheets (111), and two ends of the connecting sheet (112) are respectively connected with the two adjacent ones of the cells contact sub-sheets (111). The connecting sheet (112) is provided with a first bending structure (1121) configured to deform when two of the cell groups corresponding to the every two adjacent ones of the cells contact sub-sheets (111) move away from each other or close to each other.
Resumen de: EP4583184A1
Electrodes and rechargeable lithium batteries including the same are provided. The electrode comprises a current collector, and a multiple active material layer on the current collector. The multiple active material layer includes a first electrode mixture layer on the current collector, a second electrode mixture layer on the first electrode mixture layer, and a third electrode mixture layer on the second electrode mixture layer. Each of the first, second, and third electrode mixture layers includes an electrode active material and a binder. The first, second, and third electrode mixture layers have different binder amounts. A first thickness of the first electrode mixture layer is less than a second thickness of the second electrode mixture layer. The first thickness is less than a third thickness of the third electrode mixture layer.
Resumen de: EP4583219A2
A rechargeable battery module includes: a busbar holder (20) configured to cover a plurality of battery cells (10); a flexible printed circuit, FPC, (30) configured to transmit a signal corresponding to a detected temperature of at least one of the battery cells (10) from a temperature sensor (31) mounted on the busbar holder (20); a temperature sensing tab (40) including a sensor connection portion (41) at a first side that is connected to the temperature sensor (31) and a cell contact portion (42) at a second side that is coupled to the busbar holder (20) and in contact with the one of the battery cells (10); and an elastic member (50) coupled to the cell contact portion (42) and configured to elastically pressurize the cell contact portion (42) onto the one of the battery cells (10).
Resumen de: EP4583203A1
The present application relates to a positive electrode active material and a method for preparing thereof, a positive electrode, a lithium-ion battery, and an electrical device. In the positive electrode active material provided by the present application, an anchoring layer is coated on the surface of the substrate, wherein sulfur elements with lower average valence may be chemically bonded with active elements (transition metals, B, or the like) in lithium transition metal oxide particles, thereby effectively stabilizing metal active sites on the surface of the positive electrode active material, and weakening the dissolution of the transition metal on the surface caused by the reaction between surface active transition metal elements with electrolyte solution. The stabilizing layer laminated on the anchoring layer can protect the anchoring layer, and the stabilizing layer has higher electrochemical activity, which can effectively inhibit the polarization of the material, and the stabilizing layer cooperates with the anchoring layer to make the positive electrode active material provided in the present application have both higher ionic conductivity and electronic conductivity, and can significantly improve electrochemical performances of the positive electrode active material, including high capacity, low internal resistance and high cycle stability.
Resumen de: EP4583265A1
This application relates to a pouch, an electrochemical device, and an electronic device. The pouch includes a first pouch body and a second pouch body connected to each other. A first cavity is recessed in the first pouch body. The second pouch body covers the first cavity so that the first pouch body and the second pouch body jointly close around to form the accommodation cavity. The first pouch body includes a first wall portion oriented toward the second pouch body. The first wall portion includes a first wall face oriented toward the accommodation cavity and a third wall face oriented away from the accommodation cavity. A thickness of the first wall portion is H1. The second pouch body includes a second wall portion oriented toward the first pouch body. The second wall portion includes a second wall face oriented toward the accommodation cavity and a fourth wall face oriented away from the accommodation cavity. A thickness of the second wall portion is H2, satisfying: H2 < H1. The thickness H2 of the second wall portion is set to be less than the thickness H1 of the first wall portion, and the first cavity is created in the relatively thick first pouch body by stamping, thereby not only meeting the requirement on the indentation capability of the pouch, but also increasing the accommodation space of the accommodation cavity, and improving the capacity and energy density of the electrochemical device.
Resumen de: EP4583182A1
Some embodiments of this application relate to the field of battery technologies, and in particular, disclose an electrode plate, an electrochemical apparatus, and an electronic device. The electrode plate includes a current collector, an active substance layer, a tab, and a first insulation adhesive layer. The active substance layer is disposed on surface of the current collector, and the active substance layer is provided with a first groove and a second groove running through the bottom of the first groove to the current collector. The current collector is partially exposed within the second groove. The tab is accommodated in the first groove and the second groove and connected to the current collector. The first insulation adhesive layer is disposed on a side of the first groove facing away from the current collector, and projections of the first insulation adhesive layer and the tab along a thickness direction of the current collector are located within the first groove of the active substance layer. In this way, some embodiments of this application can reduce influence of the first insulation adhesive layer on overall thickness of the electrode plate, improve the thickness consistency of a battery cell, and enhance fast charging and cycling performance of the battery cell.
Resumen de: AU2023333057A1
A method of manufacturing porous silicon particles includes providing a rotary tube furnace including a tube extending between a first opening and a second opening opposite the first opening. The method includes providing a silica precursor, a metal reducing agent, and a thermal moderator as a mixture to an interior cavity of the tube through the first opening. The method includes rotating the tube containing the mixture. The method includes performing a thermal treatment to the mixture in the tube to produce a reaction product that includes the porous silicon particles. The method further includes collecting the reaction product at the second opening, where the steps of providing the mixture, rotating the tube, performing the thermal treatment, and collecting the reaction product are performed concurrently such that the porous silicon particles are produced in a continuous manner.
Resumen de: AU2023334851A1
An optimized charge signal shaping circuit is presented such that components of the charge signal circuit arrangement may be operable with fewer components and/or processing overhead than other approaches, thereby reducing costs, using less printed circuit board (PCB) real estate, and being computationally less complicated, among other advantages. In one particular implementation, portions of a power supply circuit may be combined with portions of a charge signal shaping circuit to leverage common functions and component characteristics of the portions, including a direct current/direct current (DC/DC) converter circuit. A reduced charge circuit may take advantage of each component including similar functions and/or circuit devices to reduce the overall number of components used in the charge circuit to reduce the overall footprint, conserve charging energy lost to the redundant components, and reduce the overall cost.
Resumen de: WO2024049630A1
The present disclosure provides an energy storage system. For example, an energy storage system comprises a printed circuit board assembly configured to connect to a chassis of the energy storage system and a battery cell comprising a connecting/disconnecting device configured to engage aa corresponding connecting/disconnecting device on the printed circuit board assembly for providing at least one of electrical interconnection, routing, voltage sensing, or temperature sensing.
Resumen de: EP4583237A1
The present invention relates to an electrode assembly and a secondary battery including the same, and the electrode assembly according to an embodiment of the present invention may include a positive electrode and a negative electrode, and a separator disposed between the positive electrode and the negative electrode, wherein an avoidance recess part is defined in any one of the positive electrode and the negative electrode, and the avoidance recess part is defined to be recessed in an area overlapping an end of a remaining electrode of the positive electrode and the negative electrode.
Resumen de: EP4583193A1
The present invention relates to an electrode including an electrode current collector, and an electrode active material layer disposed on at least one side of the electrode current collector, wherein the electrode active material layer includes an electrode active material and a gel polymer electrolyte, and the electrode has a rigidity of 2 kPa to 4 kPa. In addition, the present invention relates to a method for manufacturing an electrode, which includes applying an electrode slurry containing an electrolyte solution onto an electrode current collector, disposing an oxygen blocking member on the applied electrode slurry, and hot rolling the electrode slurry covered with the oxygen blocking member, wherein the electrolyte solution is heat cured through the hot rolling.
Resumen de: CN119790529A
The invention relates to a cover assembly for a cell housing of an energy storage cell wherein the cover assembly is arranged in an installed state to be able to fill the cell housing with an electrolyte wherein the cover assembly comprises: (i) an end plate having a fixing assembly comprising an opening, (ii) wherein the end plate further comprises a circumferential groove; (iii) a first closing element, which is arranged to close the opening before filling the cell housing and is penetrated by a filling element, by means of which an electrolyte can be filled into the cell housing, in order to fill the cell housing; (iv) a second closure element arranged to close the opening after filling the cell housing; (v) wherein the circumferential recess is arranged such that, when a specific overvoltage is reached or exceeded in the cell housing, the end plate can be split in the region of the recess such that the electrolyte can be discharged at least partially through the split region.
Resumen de: CN119547259A
A rechargeable battery as an energy supply for a power tool has at least a first energy storage element and a second energy storage element. Comprising at least a first retention device for receiving and retaining at least a first energy storage element and at least a second retention device for receiving and retaining at least a second energy storage element, at least a sub-region of the outer surface of at least the first retention device and/or the second retention device is configured such that at least one gap for a cooling fluid is provided between adjacent retention devices. A power tool having at least one rechargeable battery.
Resumen de: EP4583187A1
Disclosed are an additive for a positive electrode, a preparation method thereof, and a positive electrode and a rechargeable lithium battery including the additive, the additive including lithium iron oxide particle; and metal oxide particles including a metal having an oxidation number of 4 or higher located on the surface of the lithium iron oxide particles.
Resumen de: EP4583202A1
An anode active material for a lithium secondary battery comprising magnesiumsilicon composite oxide particles comprising MgSiO<sub>3</sub> and silicon and having a ratio of magnesium to total magnesium, silicon, and oxygen of about 0.07 to about 0.17. A secondary lithium battery comprising the anode active material is provided having enhanced capacity and lifespan.
Resumen de: EP4583249A1
A battery module (100) and a battery pack (1000) employing the battery module are provided. The battery module includes a cell (2) and a heat-dissipation and pressure-relief component (1). The heat-dissipation and pressure-relief component (1) is provided with a liquid-cooling partition (11) and a smoke-exhaust and pressure-relief portion (12). The smoke-exhaust and pressure-relief portion (12) is provided with a pressure-relief channel (13) and an exhaust port (14) communicating with the pressure-relief channel (13). The liquid-cooling partition (11) is arranged at one side of the pressure-relief channel (13) and is vertically connected to the smoke-exhaust and pressure-relief portion (12). The thickness dimensions H1 of two supporting side walls (131) of the pressure-relief channel (13) are both between 5 millimeter to 10 millimeters. An explosion-proof valve (21) of the cell (2) is arranged corresponding to the exhaust port (14), and the cell (2) exchanges heat with the liquid-cooling partition (11).
Resumen de: EP4583356A1
The present application belongs to the field of smart batteries. Disclosed are a smart battery management system and method, and an electronic device and a readable storage medium. The smart battery management system of the present application comprises a BCMU component and a plurality of power source operation groups, wherein the power source operation groups are connected to the BCMU component, the power source operation groups are used for being connected to a busbar in parallel, each power source operation group comprises a bidirectional DCDC module and a plurality of battery modules, and the battery modules are connected to the BCMU component; and the battery modules are connected to an input end of the bidirectional DCDC module in parallel, an output end of the bidirectional DCDC module is used for being connected to the busbar, and the battery modules reuse the bidirectional DCDC module by means of polling.
Resumen de: EP4583281A1
Embodiments of the present application provide an energy storage apparatus, belonging to the technical field of energy storage apparatuses. The energy storage apparatus comprises an energy storage box body and a plurality of batteries, the energy storage box body having a battery compartment, and the battery compartment having an opening in a first direction; the plurality of batteries being provided within the battery compartment, and one battery being arranged in the battery compartment along the first direction. The energy storage apparatus according to the embodiments of the present application has high energy density.
Resumen de: EP4583230A1
A nonaqueous electrolyte energy storage device according to one aspect of the present invention includes: a negative electrode including a negative active material layer; and a nonaqueous electrolyte containing an unsaturated cyclic carbonate and a P-O bond-containing fluorophosphate, in which the negative active material layer has a BET specific surface area of 0.80 m<sup>2</sup>/g or more and 1.5 m<sup>2</sup>/g or less, and the ratio of the content of the unsaturated cyclic carbonate to the total content of the unsaturated cyclic carbonate and the P-O bond-containing fluorophosphate is 0.60 or more and less than 1.0 on a mole basis.
Resumen de: EP4582793A1
A device for inspecting a battery electrode, according to an embodiment of the present invention, can: reduce application time accompanying an initial process application and changes in a process environment by extracting an inspection target image containing an area suspected to have defects on the basis of the electrode image acquired from the camera, and setting and applying, depending on the amount of training data, different types of learning models for determining whether an electrode corresponding to the inspection target image is defective; and obtain result data with enhanced precision and high reliability by retraining the learning model on the basis of updated training data.
Resumen de: EP4582768A1
In a boundary detection device and method according to embodiments of the present invention, images of the same electrode are captured to acquire first and second electrode images having different brightness values, and on the basis of pixel coordination information of boundary of an uncoated portion, acquired from the first electrode image, final boundary of the uncoated portion are detected from the second electrode image, so that the detection accuracy of the boundary can be enhanced.
Resumen de: EP4582792A1
A data processing apparatus for visual inspection of batteries may include at least one processor; and a memory configured to store at least one instruction executed by the at least one processor.Here, the at least one instruction may include an instruction to generate a first image which visually presents a battery surface based on a captured image of an outer surface of a battery; an instruction to generate a second image in which depth information of the outer surface of the battery is visually presented by matching the first image with three-dimensional shape data about the outer surface of the battery; and an instruction to output one or more of the first image and the second image through a predefined graphical user interface (GUI).
Resumen de: EP4583264A1
A pouch-type battery case according to an embodiment of the present invention may include: a cup part having a recessed shape; and a gas pocket part disposed at one side of the cup part and having a recessed shape. A wrinkle part, which is folded or unfolded depending on an internal pressure of the gas pocket part so that a depth of the gas pocket part varies, may be formed on a circumferential portion of the gas pocket part. The wrinkle part may include: a convex portion protruding toward the outside of the gas pocket part; and a concave portion which is alternately disposed with the convex portion in a depth direction of the gas pocket part. A remaining thickness of the convex portion may be less than a remaining thickness of the concave portion.
Resumen de: EP4582932A1
A method of updating firmware of a battery pack according to the present disclosure includes transmitting battery data indicating a state of a battery cell included in the battery pack to a server, receiving an update mode entry request for firmware update from the server, receiving encrypted battery data, which is data obtained by encrypting the battery data, from the server, decrypting the encrypted battery data, comparing the decrypted battery data with the battery data stored in the battery pack, and updating firmware stored in the battery pack by using firmware received from the server, when the decrypted battery data is the same as the battery data stored in the battery pack.
Resumen de: CN119630472A
The present invention provides a gas-tight film for use as a rupture film, in particular for emergency venting in connection with batteries, such as for automobiles, electric bicycles, handheld devices, electronic cigarettes, energy storage devices or heavy tools. The film comprises a base film having an indentation obtained by an incomplete track etch treatment applied to the base film. In addition, the present invention provides a method of preparing a hermetic film by applying an incomplete track etching treatment to both sides of a base film.
Resumen de: US2024072382A1
A battery module for a modular high-voltage battery system comprises: electrochemical cells; a housing of an electrically insulating material, the housing enclosing the electrochemical cells; and a first connector at an outside surface of the housing, the first connector electrically connected to the electrochemical cells, the first connector comprising an insulating cover and a terminal accessible only through an opening in the insulating cover, the first connector configured for mating with a first electrical interconnect having a busbar to extend into the opening and contact the terminal.
Resumen de: CN119452512A
The invention relates to a battery (10) for a motor vehicle, comprising a plurality of battery cells (12) and a battery housing (14), which encloses a housing interior (16), in which the battery cells (12) are accommodated, and which has an orifice plate (20) on which the battery cells (12) rest, according to the invention, the orifice plate (20) has, for each battery cell (12), an associated vent opening (28) on which the associated battery cell (12) rests and via which the gas discharged from the respective associated battery cell (12) can be discharged from the housing interior (16).
Resumen de: EP4582388A2
Positive electrode active materials, methods of fabricating the positive electrode active materials, positive electrodes including the positive electrode active materials, and rechargeable lithium batteries including the positive electrodes are disclosed. The positive electrode active material includes a positive electrode active material including a plurality of particles including lithium composite oxide represented by Chemical Formula 1. Chemical Formula 1 LiaNixM1-xObIn Chemical Formula 1, a is about 0.5 to about 1.5. x is about 0.6 to about 0.99. b is about 1.8 to about 2.2. 1-x is about 0.01 to about 0.4. M includes at least one element selected from among Co, Al, Mn, Na, Mg, Ca, Y, Ti, Hf, V, Nb, Ta, Cr, Mo, W, Fe, Cu, Ag, Zn, B, Ga, C, Si, and Sn. The particle includes Na and S. A mass fraction (Na/S) of the Na to the S is about 0.03 to about 0.2.
Resumen de: EP4583256A1
Schottwanddichtung (1)zur Abdichtung eines ersten Energiespeichermoduls (41) zu einem zweiten Energiespeichermodul (42) in einem gemeinsamen Gehäuse (50), wobei das erste Energiespeichermodul und das zweite Energiespeichermodul durch eine Schottwand (30) voneinander getrennt sind. Die Schottwanddichtung umfasst einen Befestigungsbereich (20), welcher eingerichtet ist, an der Schottwand befestigt zu werden, eine erste Dichtlippe (11), eine zweite Dichtlippe (12) und eine mittlere Dichtlippe (13), welche zwischen der ersten Dichtlippe und der zweiten Dichtlippe angeordnet ist. Somit bildet sich zwischen der mittleren Dichtlippe und der ersten Dichtlippe ein erster Zwischenraum (14). Zwischen der zweiten Dichtlippe und der mittleren Dichtlippe bildet sich ein zweiter Zwischenraum (15). Dabei sind die erste Dichtlippe, die zweite Dichtlippe und die mittlere Dichtlippe eingerichtet, das Gehäuse zu kontaktieren. Die erste Dichtlippe ist eingerichtet, das erste Energiespeichermodul zum ersten Zwischenraum abzudichten und die zweite Dichtlippe ist eingerichtet, das zweite Energiespeichermodul zum zweiten Zwischenraum abzudichten. Dabei ist die mittlere Dichtlippe eingerichtet, den ersten Zwischenraum zum zweiten Zwischenraum abzudichten.
Resumen de: EP4583227A1
A coating material for a battery member contains a polymer having an ability to preferentially conduct metal ions.
Resumen de: EP4583267A1
A secondary battery is provided, including an electrode assembly (10), a tab assembly, and a packaging pouch (40). The electrode assembly (10) is accommodated in the packaging pouch (40). The packaging pouch (40) includes a sealing portion (420), the tab assembly includes tabs (20) and insulating adhesives (30), and the tabs (20) are connected to the electrode assembly (10) and run through the sealing portion (420) to extend out of the packaging pouch (40). The insulating adhesives (30) are disposed on the tabs (20) and connect the tabs (20) and the packaging pouch (40). The insulating adhesive (30) includes a first insulating adhesive layer (31), a second insulating adhesive layer (32), and a third insulating adhesive layer (33) sequentially stacked in a first direction, the first insulating adhesive layer (31) is connected to the tab (20), and the third insulating adhesive layer (33) is connected to the packaging pouch (40). In a second direction perpendicular to the first direction, the insulating adhesive (30) includes a first part (303), where the first part (303) is a region where at which the insulating adhesive (30) overlaps the tab (20) in the first direction and is not overlap the sealing portion (420). The first part (303) includes a first end portion (303a), and the first end portion (303a) is located in the packaging pouch. In the first end portion (303a), in the first direction, a thickness of the insulating adhesive (30) is h1, a thickness of the first insulati
Resumen de: EP4583196A1
The present invention relates to a silicon-carbon composite for a secondary battery negative electrode material, and a method for preparing same, the silicon-carbon composite being capable of improving the initial discharge capacity (IDC), initial efficiency (ICE), and lifespan characteristics of a secondary battery. Specifically, the present invention may provide a silicon-carbon composite and a secondary battery negative electrode material comprising same, wherein the silicon-carbon composite is formed from a silicon-pitch composite comprising nano-silicon particles and high softening point pitch, the average particle diameter (D50) of the nano-silicon particles is 150 nm or less, the softening point of the high softening point pitch is 200-300°C, and the average particle diameter (D50) of the high softening point pitch is 0.5-2µm.
Resumen de: EP4583255A1
When a battery assembly is assembled by accommodating a plurality of single cells and a partitioning member that partitions the single cells in a housing, the partitioning member is bonded to an appropriate position on a surface of each single cell such that both members can be stacked and arranged, and a position of the stacked arrangement can be easily corrected.The partitioning member for partitioning each of the plurality of single cells that are stacked, arranged, and accommodated in the battery assembly is provided, on a surface of the partitioning member, with a contact portion, preferably a contact portion formed of a layer containing a water-soluble resin, and the partitioning member is configured to be attachable to and detachable from the surface of the single cell via the contact portion.
Resumen de: EP4583235A1
A battery 10 including a self-supporting laminate structure is provided. The laminate structure includes a solid electrolyte sheet 11 containing a solid electrolyte, a first active material layer 12 containing a first active material on one major surface of the solid electrolyte sheet 11, and a second active material layer 13 containing a second active material on the other major surface of the solid electrolyte sheet 11. The solid electrolyte sheet 11 preferably has a first extending portion 11C extending outwardly from the periphery of the first active material layer 12 or, a second extending portion 11D extending outwardly from the periphery of the second active material layer 13.
Resumen de: EP4583190A1
The present disclosure relates to a negative electrode including a current collector layer, a first active material layer bonded to the current collector layer, and a second active material layer bonded to the first active material layer, and a battery including the negative electrode. In the negative electrode, the first active material layer includes a first graphite and a silicon simple substance or silicon compound. Further, in the negative electrode, the second active material layer includes a second graphite having an average particle diameter smaller than that of the first graphite. Furthermore, in the negative electrode, a surface along a longer direction of the first active material layer other than a surface bonded to the current collector layer is covered with the second active material layer. Moreover, in the negative electrode, an average thickness between an upper end face of the second active material layer in a shorter direction and an upper end face of the first active material layer in the shorter direction and/or an average thickness between a lower end face of the second active material layer in the shorter direction and a lower end face of the first active material layer in the shorter direction is larger than an average thickness in a laminating direction of the first active material layer. Thus, the durability of the battery can be improved.
Resumen de: WO2024049957A1
Described are batteries and battery components including a cathode current collector comprising a 1xxx series aluminum alloy or an 8xxx series aluminum alloy. The cathode current collector can have a thickness of from 5 μm to 12 μm. In some examples, a cathode active material layer may be disposed over at least a portion of the cathode current collector. The cathode current collector may have both surfaces that are in contact with the active material layer being matte surfaces. Battery cells including the cathode current collector may retain a specific capacity above 90% of an initial specific capacity for up to 3000 cycles or more. Additionally, the battery cells including the cathode current collector may retain an energy density above 90% of an initial energy density for up to 3000 cycles or more.
Resumen de: WO2024047396A1
An active material intended for the manufacture of an electrode, the active material comprising a substituted monoclinic titanium-niobium mixed oxide capable of allowing the insertion and extraction of Li+ ions, the active material having the following empirical formula (I): Ti(1+x)Nb(2-2x)WxO7 (I) wherein x is selected from the range of from 0.1 to 0.2.
Resumen de: EP4583279A1
A battery module related to one example of the present invention comprises a plurality of battery cells having terminal portions, a case having a plurality of seating portions in which each battery cell is seated and having an accommodation space in which the plurality of battery cells is accommodated, an intermediate frame having a plurality of support holes with a diameter larger than the diameter of each battery cell and mounted on the case to divide the accommodation space in the case into a cooling space where cooling liquid is accommodated and a terminal exposure space where the terminal portion of each battery cell is located, and a potting portion having a first region provided in the terminal exposure space to surround the terminal portion of the battery cell and one side of the intermediate frame, and a second region connected to the first region and filled into the space between each battery cell and the support hole.
Resumen de: EP4583285A1
The present application provides a battery and an electrical apparatus. The battery comprises a box, a battery cell, and an electrical element. The box has a first accommodating cavity and a second accommodating cavity that are isolated from each other. The battery cell is accommodated within the first accommodating cavity. The electrical element is accommodated within the second accommodating cavity and electrically connected to the battery cell. The box further has an access port and an access cover, the access port communicates the second accommodating cavity with the outside of the housing, and the access cover covers the access port. With the battery provided in the embodiments of the present application, during inspection of the electrical element, since the first accommodating cavity and the second accommodating cavity are isolated from each other, the first accommodating cavity can still maintain good sealing performance, and impurities such as the outside air can hardly enter the first accommodating cavity through the access port and the second accommodating cavity, thereby no corrosion of the battery cell within the first accommodating cavity is caused, which is conductive to improving the safety performance of the battery.
Resumen de: EP4583259A1
Embodiments of the present application provide a battery cell, a battery, and an electrical apparatus. For the battery cell of the present application, the volumetric energy density of the battery cell is E, the minimum thickness of the battery cell is T, and T and E meet: E≥600 Wh/L, and 6 Wh/(L·mm)≤E/T≤100 Wh/(L·mm). For the battery cell provided in the present application, the high-energy-density battery cell has a high gas production rate and heat release power when thermal runaway occurs, and therefore, the minimum thickness of the battery cell is adjusted to meet requirements of the high-energy battery cell, thereby ensuring the safety of the battery cell.
Resumen de: EP4583189A1
The present disclosure relates to a negative electrode including a current collector layer, a first active material layer bonded to the current collector layer, and a second active material layer bonded to the first active material layer, and a battery including the negative electrode. In the negative electrode, the first active material layer includes a first graphite; and a first silicon simple substance or silicon compound of 1 wt% or more and 90 wt% or less with respect to the total weight of the first active material layer. Further, in the negative electrode, the second active material layer includes a second graphite having an average particle diameter smaller than that of the first graphite; and a second silicon simple substance or silicon compound having an average particle diameter of 0 wt% or more and less than 1 wt% with respect to the total weight of the second active material layer. Thus, the durability of the battery can be improved.
Resumen de: EP4583246A1
A method of manufacturing an electrode active material in an efficient manner is accomplished by recycling an exhausted active material contained in an electrode of a spent secondary battery through a simple process with reduced environmental impact such that the resulting active material can be reused. A method of manufacturing an electrode active material is a method of manufacturing an electrode active material by recycling an exhausted active material contained in an electrode of a spent secondary battery such that the resulting active material can be reused, the electrode including a current collector and an electrode mixture containing the active material and formed above the current collector, the method including: immersing the electrode in an alkali aqueous solution to peel the electrode mixture from the current collector (step 1); and neutralizing the peeled electrode mixture (step 2).
Resumen de: EP4583207A1
An active material of the present invention contains at least one element M selected from the group consisting of nickel, cobalt, manganese, and lithium and an element X different from the element M. The element X comprises at least one member selected from metals of groups 2 and 15 in the second period, metals of groups 3, 11, and 13 to 16 in the fourth period, metals of groups 1 to 3, 7 to 13, and 15 to 17 in the fifth period, metals of groups 1 to 3 and 7 to 17 in the sixth period, and metals of groups 1 to 17 in the seventh period of the periodic table.
Resumen de: EP4582483A1
A polyphenylene ether resin composition according to an aspect of the present invention contains, per 100 parts by mass of a polyphenylene ether-containing resin (A) containing at least more than 80 mass% of a polyphenylene ether resin (a), 5 to 25 parts by mass of an inorganic filler (c), 15 to 27 parts by mass of a phosphorus flame retardant (d), 0.3 to 7 parts by mass of a polyolefin resin (e) having an ethylene-derived skeleton, 3 to 20 parts by mass of a tracking resistance improver (f), and 0.5 to 3 parts by mass of a phosphorus stabilizer (g). A mass ratio of the polyolefin resin (e) to a phosphorus component in the polyphenylene ether resin composition is 0.2 to 2.65. A melt flow rate of the polyolefin resin (e) measured in conformity with JIS K7210 is 0.5 to 100 g/10 min under the measurement conditions of a temperature of 190°C and a load of 2.16 kg.
Resumen de: CN119816984A
According to some embodiments of the present disclosure, a metal hydrogen battery according to an embodiment of the present disclosure comprises: a container; a plurality of electrode stacks arranged in the container, in which each of the plurality of electrode stacks includes a plurality of electrode layers, the electrode layers including alternating cathode and anode electrodes, the anode electrodes being formed of transition metal anodes with a catalyst; one or more isolators separating the electrode layers; and an electrolyte immersing each of the plurality of electrode stacks.
Resumen de: CN119631187A
An electrode precursor composition for an alkali metal ion secondary battery cell is described. The composition includes a polymer-solvent gel matrix phase and a dispersed phase comprising an electrochemically active material. The electrochemically active material has a multi-modal particle size distribution with D150/D250 in the range of from 2 to 15. The electrode precursor composition may be processed into an electrode for an alkali metal ion secondary battery cell, such as a lithium ion secondary battery cell.
Resumen de: TW202511192A
A composition is provided comprising one or more of alpha lead oxide, beta lead oxide, metallic lead, Pb2O3 and Pb3O4, the composition comprising particles comprising sub-particles, the sub-particles having a mean greatest dimension of from 10 to 300nm. Methods of making such a composition are also described.
Resumen de: EP4583270A1
This application discloses a battery module, a battery, an energy storage apparatus, and an electric apparatus. The battery module includes a battery cell group and end plates. The battery cell group includes multiple battery cells stacked in a first direction. The end plate is located at an end of the battery cell group in the first direction. The multiple battery cells include at least one first battery cell, and the first battery cell includes a housing and an end cover. The housing has an opening in a second direction, the housing has first walls in the first direction, the first wall includes a first body portion and a first thickened portion arranged in the second direction, the first body portion is farther from the opening than the first thickened portion, and thickness of the first thickened portion is larger than thickness of the first body portion, the first direction and the second direction being perpendicular to each other. The end cover is connected to the housing to close the opening. In a direction from the first body portion towards the first thickened portion, at least a part of the first thickened portion exceeds the end plate. The technical solutions provided in this application can increase the reliability of batteries.
Resumen de: EP4583292A1
A battery pack (10) includes an accommodation body (200) defining an accommodation space (250) in which a battery module (100) is accommodated, a central interior space (260) through which gas generated from the accommodation space (250) passes, and a plurality of large communicating holes (270L) and a plurality of small communicating holes (270S) through which the accommodation space (250) and the central interior space (260) communicate with each other, and a pressure relief valve (280) for discharging the gas from the central interior space (260) to the exterior space. The length of the central interior space (260) between the pressure relief valve (280) and each of the large communicating holes (270L) is greater than the length of the central interior space (260) between the pressure relief valve (280) and each of the small communicating holes (270S).
Resumen de: EP4583144A1
This protective element includes a first terminal and a second terminal arranged apart from each other in a front-and-rear direction, a fuse element arranged between the first terminal and the second terminal to electrically connect the first terminal and the second terminal and configured to fuse when a predetermined electric current or more flows therethrough, an insulation member arranged to face the fuse element from both sides in an up-and-down direction orthogonal to the front-and-rear direction, a heat generation element arranged to overlap the fuse element in the up-and-down direction, a power supply member configured to supply the electric current to the heat generation element, and an insulation case configured to house a part of the first terminal, a part of the second terminal, the fuse element, the insulation member, the heat generation element, and a part of the power supply member. The heat generation element generates heat by receiving the electric current from the power supply member and melts and fuses at least a part of the fuse element.
Resumen de: EP4583294A1
Provided is a composition for an electrochemical device functional layer that can form a functional layer having excellent adhesiveness. The composition for an electrochemical device functional layer contains a particulate polymer (X) and a particulate polymer (Y). A volume-average particle diameter of the particulate polymer (Y) is smaller than a volume-average particle diameter of the particulate polymer (X). One of the particulate polymer (X) and the particulate polymer (Y) includes a specific reactive monomer unit A and the other of the particulate polymer (X) and the particulate polymer (Y) includes a specific reactive monomer unit B.
Resumen de: EP4583123A1
A solid electrolyte according to one aspect of the present invention contains a lithium element, a phosphorus element, a sulfur element, a halogen element, and an aluminum element, has a crystal structure, and satisfies both of the following formulas (a1) and (b1) or both of the following formulas (a2) and (b2). 2.89
Resumen de: EP4583302A1
A battery pack (10) includes a plurality of battery modules (100), an accommodation body (200) that defines an accommodation space (250) accommodating the plurality of battery modules (100), a lower bracket (310) and an upper bracket (320) overlapping in a plurality of stages with at least a portion of the accommodation space (250), and a disconnect switch (410) for disconnecting a circuit electrically connecting the battery modules (100) to each other and provided to the lower bracket (310) and the upper bracket (320).
Resumen de: WO2024047171A2
A temperature management system for a fuel cell unit includes a pump, a valve fluidly connected to the pump, and defining an inlet, and first, second and third outlets, a heater, a heat exchanger, a radiator. The valve is selectively adjustable between at least first, second and third configurations. In the first configuration, the valve is configured to direct fluid along a first path defined at least by the first outlet, the heater, the fuel cell unit, the pump, and the inlet. In the second configuration, the valve is configured to direct fluid along the first path and along a second path defined at least by the second outlet, the heat exchanger, the pump, and the inlet. In the third configuration, the valve is configured to direct fluid along a third path defined at least by the third outlet, the radiator, the fuel cell unit, the pump, and the inlet.
Resumen de: EP4583241A1
An immersion cooling system (100) for immersion cooling of a plurality of battery cells of a battery (114) of an electric vehicle using a dielectric cooling liquid is disclosed. The immersion cooling system (100) comprising: a fluid circuit (102) configured for at least the circulation of the dielectric cooling to, and from, the battery (114), the fluid circuit (102) having a first branch (108a) and a second branch (108b), the first branch (108a) being parallel to the second branch (108b); a first pump (104) positioned along the first branch (108a); a second pump (106) and a valve (116) positioned along the second branch (108b), the second pump (106) being, relative to the first pump (104), a high-flow, low-pressure pump; an inlet sensor (124) position at or around an inlet of the battery (114); an outlet sensor (126) positioned at or around an outlet of the battery (114); at least one processor (130); and a memory device (132) coupled to the at least one processor (130), the memory device (132) including instructions that when executed by the at least one processor (130) cause one or more of the at least one processor (130) to: determine, using at least information from one or more of the inlet sensor (124) and the outlet sensor (126), whether at least one characteristic of the dielectric cooling liquid satisfies a threshold value; generate one or more signals, if the at least one characteristic of the dielectric cooling liquid does not satisfy the threshold value, to operat
Resumen de: EP4583293A1
Provided is a composition for an electrochemical device functional layer with which it is possible to form a functional layer that has excellent wet adhesiveness and that is capable of good inhibition of metal deposition on an electrode during charging and discharging. The composition for an electrochemical device functional layer contains a particulate polymer. The particulate polymer includes a cycloalkyl group-containing monomer unit and at least one monomer unit (A) selected from the group consisting of a glycidyl group-containing monomer unit, an acetyl group-containing monomer unit, and an amide group-containing monomer unit. The particulate polymer has a volume-average particle diameter of not less than 1.0 µm and not more than 10.0 µm.
Resumen de: EP4583181A1
Composite particles contain an active material having a conductive material-containing coating layer. A conductive material forming the conductive material-containing coating layer includes a fibrous conductive material. A value of a ratio E2/E1 of convexity E2 of the active material having the conductive material-containing coating layer relative to convexity E1 of the active material itself is 0.9999 or less.
Resumen de: EP4583268A1
To realize easy checking of a connection state. A receiving portion is located on a frame portion or an insulation substrate, and a conductive metal plate is located on an opening side of a recessed portion. The conductive metal plate includes a connecting portion configured to electrically connect to a second electrode from above and a locking portion configured to lock to the receiving portion. A lid is electrically insulated from the conductive metal plate.
Resumen de: EP4583234A1
Provided are a non-aqueous electrolytic solution secondary battery including, in the following order, a positive electrode slurry layer, a separator, and a negative electrode slurry layer, in which the positive electrode slurry layer consists of a slurry obtained by dispersing a positive electrode active material in a non-aqueous electrolytic solution containing a solvent having a relative permittivity of 5.0 or more and a viscosity of less than 2.0 mPa·s, and the negative electrode slurry layer consists of a slurry obtained by dispersing a negative electrode active material in a non-aqueous electrolytic solution containing a solvent having a relative permittivity of 5.0 or more and a viscosity of less than 2.0 mPa·s; a manufacturing method of the non-aqueous electrolytic solution secondary battery; and a slurry suitable for forming the electrode slurry layer of the non-aqueous electrolytic solution secondary battery.
Resumen de: KR20250105888A
전기차 배터리의 열폭주 전이를 차단하기 위한 시스템이 소개된다. 시스템은 셀들의 주위에 냉각유로가 형성된 배터리팩; 냉각유로에 제1 위치에서 일단이 연결되며, 타단은 아우터패널에 마련된 주입라인을 포함한다. 냉각유로는 배터리팩 내에서 순환하는 구조를 가지며, 냉각유로 내에 셀들의 온도 조절을 위한 냉매가 채워진다. 주입라인을 통해 소방호스로부터 고압의 물이 주입될 수 있도록 구성된다.
Resumen de: US2022200097A1
The present disclosure relates to a solid electrolyte membrane for suppressing the growth of lithium dendrites and an all-solid-state battery comprising the same, the solid electrolyte membrane comprising a solid electrolyte material and metal particles, wherein the metal particles form an alloy with lithium.
Resumen de: KR20250105739A
본 발명의 일 실시예에 따른 개선된 배터리셀 스트랩이 구비된 배터리 모듈은 격실 내 전해액 속에 양극판과 음극판 군을 이루고 있는 하나의 유닛인 배터리셀, 다수 개의 상기 배터리셀이 겹겹이 적층되고, 적층된 상기 배터리셀들의 외측둘레를 감싸며 가압해 고정하는 적어도 하나의 탄성스트랩을 포함한다.
Resumen de: WO2025143407A1
Disclosed are a positive electrode and an all-solid-state secondary battery comprising same, the positive electrode comprising a positive electrode current collector, a positive electrode active material layer, and a protecting layer that is on the positive electrode active material layer, wherein: the protecting layer comprises an oxide-based positive electrode active material and a first sulfide-based solid electrolyte; the positive electrode active material layer comprises a sulfide-based composite positive electrode active material and a second sulfide-based solid electrolyte; the composite positive electrode active material comprises Li2S and a composite of a first ionic compound and a first carbon-based material; and the oxide-based positive electrode active material has an olivine structure or a spinel structure.
Resumen de: WO2025147008A1
The present invention provides a battery module structure and a manufacturing method therefor, the structure comprising: a plurality of battery cells, each having a pair of electrode leads that protrude upward and being arranged in the width direction; a frame having an open upper side thereof and accommodating the plurality of battery cells; and an insulating resin filling at least a portion of the empty space between the plurality of battery cells and the frame.
Resumen de: US2025219187A1
A vehicle control device and a method thereof are provided. The vehicle control device includes a processor, a memory, a battery, a battery heater, and a battery chiller. The processor determines a mode associated with a coolant, using at least one of a target distance of a vehicle, a traveling start time, or an outside air temperature, or any combination thereof, before the vehicle travels. The processor identifies a first threshold temperature using a designated first dataset, heats a temperature of the coolant up to the first threshold temperature using the battery heater, and identifies a second threshold temperature using a designated second dataset, in response to determining the mode associated with the coolant is a cool storage mode, and cools the temperature of the coolant up to the second threshold temperature using the battery chiller, while the coolant flows through the coolant flow line.
Resumen de: KR20250106213A
본 발명은 과잉리튬양극을 포함하는 리튬이차전지용 고체 전해질 제조를 위한 전구체 조성물로서, 양이온성 단량체, 가교성 단량체 및 액체 전해질을 포함하는 것을 특징으로 하는 고체 전해질 전구체 조성물, 이를 가교처리한 고체 전해질 및 이를 포함하는 과잉리튬양극을 포함한 이차전지에 관한 것이다. 이에 의하여 본 발명의 리튬이차전지용 고체 전해질은 고체 전해질 내 양전하(cationic charge)를 띠는 고분자 첨가제를 도입함으로써 고분자 전해질과 과잉리튬산화물(Over-lithiated Layered Oxide; OLO) 활물질 표면의 음전하(anionic charge) 간 이온-이온 상호작용을 형성하여 비가역적 산소 추출(irreversible oxygen release)의 구동력(driving force)로 알려져 있는 산소층간 반발력 에너지를 줄여 과잉리튬 양극재의 구조 안정화를 도모하는 근본적 문제를 해결하고, 결과적으로 산소 발생량일 줄어들어 산소와 전해질 간 부반응으로 인한 계면 불안정 문제를 해결할 수 있다.
Resumen de: KR20250106053A
본 개시는 전후로 적층되고, 각각 복수의 전극을 구비하는, 복수의 배터리 셀; 그리고 상기 복수의 배터리 셀을 전기적으로 연결하는 복수의 버스바를 포함하고, 상기 복수의 배터리 셀 각각은, 각각 길이 방향으로 연장된 전면(front face)과 후면(rear face)을 형성하는 셀 바디; 그리고 상기 셀 바디에서 상기 길이 방향으로 돌출된 전극 탭을 포함하며, 상기 복수의 전극은 상하로 적층된, 배터리 모듈에 관한 것이다.
Resumen de: WO2025143447A1
Disclosed is a gel polymer electrolyte for a lithium battery comprising a gel polymer and a liquid electrolyte, the liquid electrolyte comprising lithium salt and an organic solvent, and the gel polymer being a cross-linked product of i) a multifunctional acryl-based first polymerizable monomer having at least three polymerizable functional groups and ii) a second polymerizable monomer selected from urethane acryl-based monomers having at least two functional groups.
Resumen de: WO2025147055A1
The present invention relates to a structure of a battery module and a method for manufacturing same, the structure comprising: a cell stack in which a plurality of batteries each having a pair of electrode leads protruding upward are stacked in the width direction; a frame that is open on top and accommodates the cell stack; and an insulating resin filling at least a portion of an empty space between the cell stack and the frame.
Resumen de: WO2025146975A1
The present invention relates to a battery pack including: a plurality of battery cells; and a pack case configured to accommodate the plurality of battery cells and having, in an inner space thereof, a venting flow path configured to allow a venting gas discharged from the battery cells to flow therethrough, and a cooling flow path provided on at least one side of the venting flow path and configured to allow a cooling medium to flow therethrough.
Resumen de: KR20250106227A
본 개시의 정해진 규격에서도 전지 셀의 안정성을 확보할 수 있고, 동시의 이의 용량을 증가시킬 수 있는 전극 조립체와 이를 포함하는 전지 셀은 양극 집전체 및 상기 양극 집전체의 일면 또는 양면 상에 배치되는 양극 활물질층을 포함하는 양극판; 음극 집전체 및 상기 음극 집전체의 일면 또는 양면 상에 배치되는 음극 활물질층을 포함하는 음극판; 및 상기 양극판 및 상기 음극판 사이에 배치되는 분리막;을 포함하는 전극 조립체이고, 상기 양극 집전체는 양극 코팅부; 상기 양극 코팅부 외측에 배치되는 양극 무지부; 및 양극 홈부;를 포함하고, 상기 음극 집전체는 음극 코팅부; 상기 음극 코팅부 외측에 배치되는 음극 무지부; 및 음극 홈부;를 포함하고, 상기 양극 홈부는 상기 양극 무지부에만 형성되고, 상기 음극 홈부는 상기 음극 코팅부 및 상기 음극 무지부에 형성될 수 있다.
Resumen de: WO2025146977A1
The present invention relates to a battery pack comprising: a plurality of battery cells; and a pack case including a body frame, which is configured to accommodate the plurality of battery cells and has an open end formed on at least one side thereof, and a cover frame, which is provided at the open end of the body frame so as to be located on the side from which venting gas is discharged from the plurality of battery cells and has a cooling flow path formed in an inner space and configured so that a cooling medium flows.
Resumen de: KR20250105969A
본 발명의 기술적 사상은 냉각 유체가 유입되는 입구에 연통하는 공통 인렛 유로; 상기 냉각 유체가 배출되는 출구에 연통하고, 상기 공통 인렛 유로로부터 수직 방향으로 이격된 공통 아웃렛 유로; 및 각각 상기 공통 인렛 유로로부터 상기 공통 아웃렛 유로까지 연장되고, 서로 분리된 복수의 연결 유로;를 포함하고, 상기 복수의 연결 유로는 제1 수평 방향으로 서로 이격되고, 상기 복수의 연결 유로는 각각, 상기 공통 인렛 유로로부터 상기 제1 수평 방향에 수직된 제2 수평 방향으로 연장된 제1 수평 유로; 상기 공통 아웃렛 유로로부터 상기 제2 수평 방향으로 연장된 제2 수평 유로; 및 상기 제1 수평 유로와 상기 제2 수평 유로 사이에서 상기 수직 방향으로 연장된 수직 유로;를 포함하는, 냉각 구조체를 제공한다.
Resumen de: KR20250106055A
본 개시는 이차 전지 관리 시스템 및 그 제어 방법에 관한 것이다. 본 개시의 일 실시예에 따른 이차 전지 관리 시스템은 이차 전지의 충전을 제어하는 충전제어모듈; 및 압력센싱모듈을 통해 측정되는 압력을 기초로, 지정된 기준 시간마다 상기 이차 전지의 압력 변화율을 산출하고, 상기 산출된 압력 변화율이 이전의 평균 압력 변화율보다 지정된 기준치 이상으로 커지는지 확인하고, 상기 측정된 압력 변화율이 상기 평균 압력 변화율보다 상기 기준치 이상으로 커지는 경우 상기 이차 전지의 충전 전류 및 온도 중 적어도 하나를 조정하는 프로세서를 포함할 수 있다. 본 개시는 리튬 석출의 발생을 용이하게 검출하고, 리튬 석출의 발생을 효율적으로 억제할 수 있다. 이를 통해, 본 개시는 이차 전지의 성능 저하를 방지하고, 수명 및/또는 안정성을 개선할 수 있다.
Resumen de: KR20250105890A
본 발명의 일 실시예에 따르면, 이차전지에 이용될 수 있는 음극 활물질이 제공될 수 있다. 본 발명의 일 실시예에 따른 이차전지용 음극 활물질은 탄소계 소재와; 탄소계 소재에 혼합된 다수의 실리콘 입자 및 도전성 물질을 포함하도록 구성될 수 있고, 실리콘 입자는 실리콘 웨이퍼를 제조하는 과정에서 발생되는 폐 실리콘 입자로 구성될 수 있고, 도전성 물질은 탄소 나노 물질이 될 수 있다.
Resumen de: WO2024101395A1
A battery cushioning material 1 comprises a composite 2 that includes: a base material 2a formed of a fiber material; and rubber 2b impregnated in the base material 2a. Air gaps 3 exist inside the composite 2. This battery cushioning material 1 can stably exhibit functions as a cushioning material and a storage battery.
Resumen de: WO2025147093A1
The present invention relates to a cylindrical secondary battery manufacturing device and manufacturing method, and, to a cylindrical secondary battery manufacturing device and manufacturing method, which enable line balancing to be effectively performed in a cyclic manufacturing line. According to one embodiment of the present invention, the cylindrical secondary battery manufacturing device and manufacturing method can be provided, the device comprising: a plurality of sensors provided along a buffer line in order to calculate, by step, the loading level of carriers in the buffer line provided between preceding equipment and subsequent equipment; and a controller, which adjusts the process speed of the preceding equipment and the subsequent equipment on the basis of the stepwise loading level calculated through a combination of outputs of the plurality of sensors, so as to control to follow the entire target process speed by balancing the process speed of the preceding equipment and the subsequent equipment.
Resumen de: KR20250105982A
본 발명은 이차전지 알루미늄 양극집전체의 부식을 방지하기 위한 방법에 관한 것으로, 알루미늄 양극집전체의 부식을 방지하기 위하여 알루미늄 양극집전체를 벤조트리아졸계 화합물로 코팅하는 방법 및 상기 벤조트리아졸계 화합물을 포함하는 이차전지의 알루미늄 양극집전체의 부식을 방지하기 위한 코팅제에 관한 것이다.
Resumen de: WO2025143677A1
The present invention relates to: a carbon-silicon/carbon composite in which a silicon/carbon composite matrix is formed on the surface of and inside the pores of a porous carbon support having controlled pore properties; and a method for producing same. When the carbon-silicon/carbon composite according to an embodiment of the present invention is used as a negative electrode active material, the overall silicon size can be suppressed, and the formation of Crystal-LixSiy (e.g., Li15Si4 or Li3.75Si), which is an intermediate phase affecting battery performance degradation, can be suppressed to mitigate battery performance degradation during repeated charging and discharging.
Resumen de: JP2024067494A
To provide a composite electrolyte capable of reducing the interfacial resistance.SOLUTION: A composite electrolyte includes an inorganic solid electrolyte and a plastic ionic crystal containing an alkali metal ion.SELECTED DRAWING: Figure 1
Resumen de: US2025219181A1
A method of recovering ternary valuable metals from a waste cathode active material includes a step of leaching valid metals in a waste cathode active material powder under acidic conditions, and a step of recovering the leached valid metals, wherein, in the step of leaching valid metals in the waste cathode active material powder under acidic conditions, an oxidizing agent is further added to selectively leach lithium. The method further comprises a step of leaching cobalt (Co) and nickel (Ni) from a residue separated from the lithium leachate leached by the step of leaching valid metals in the waste cathode active material powder under acidic conditions and recovering manganese dioxide (MnO2) as a residue, a step of reducing the residue manganese dioxide, and a step of leaching the manganese dioxide.
Resumen de: US2025219170A1
The present disclosure relates to a battery manufacturing system including: a first rack and a second rack, each of which includes a charging and discharging room including an inlet on one surface and accommodating a plurality of battery cells through the inlet, and which are aligned in parallel with each other; and a transport crane, which is provided between the first rack and the second rack, introduces and withdraws a plurality of battery cells accommodated in a charging and discharging transport member into and out of the charging and discharging room through the inlets arranged to face each other, and is movable in the height direction of the first rack or the second rack and in a direction perpendicular to the height direction, and a controlling method thereof.
Resumen de: WO2025147095A1
The present invention relates to a cylindrical secondary battery manufacturing apparatus and manufacturing method, and to a cylindrical secondary battery manufacturing apparatus in which line balancing may be effectively performed in a circulation manufacturing line. According to an embodiment of the present invention, a cylindrical secondary battery manufacturing apparatus and manufacturing method may be provided which enable automatic determination of the appropriate number of carriers circulating in the circulation manufacturing line through a master carrier, which is distinguished from a general carrier, and a sensor that senses the master carrier.
Resumen de: KR20250106219A
본 발명은 이차전지의 양극 활물질 표면 개질에 관한 것으로, 절연특성을 갖는 절연성 폴리머를 양극 활물질에 코팅하여 전해질과 양극 활물질 사이의 전기화학적 부반응을 억제하는 방법 및 그로부터 제조되는 양극 활물질과 리튬이차전지에 대한 것이다. 본 발명에 의하면, 리튬이차전지의 안정성 및 수명 특성을 향상시킬 수 있다.
Resumen de: KR20250106078A
본 발명은 ESS 열관리 시스템에 관한 것으로, 압축유닛, 응축유닛 및 증발유닛을 냉매가 순환하는 주냉매라인, 상기 응축유닛 및 지열배관을 냉온수가 순환하는 주냉온수라인, 상기 주냉매라인에서 분기되고 냉매의 전부 또는 일부가 항온부로 유동하게 하는 분기냉매라인 및 상기 주냉온수라인에서 분기되고 냉온수의 전부 또는 일부가 상기 항온부로 유동하게 하는 제1분기냉온수라인을 포함하고, 상기 항온부에서 상기 냉매 또는 상기 냉온수가 열교환 되면서 상기 항온부에 설치되는 장치를 설정된 온도 범위 내로 유지시키는 것을 특징으로 한다.
Resumen de: US2025215522A1
A method and a system for recycling a metal from a lithium secondary battery are provided. In the method for recycling a metal from a lithium secondary battery, a cathode active material mixture containing lithium is prepared. A lithium precursor is produced by reducing the cathode active material mixture. A lithium precursor aqueous solution is formed by dissolving the lithium precursor in water. The lithium precursor aqueous solution is passed through an aluminum adsorption resin column to adsorb aluminum to the aluminum adsorption resin column. A first treatment liquid including distilled water is injected into the aluminum adsorption resin column at a flow rate of 100 L/hr to 1,200 L/hr to obtain a regenerated aluminum adsorption resin column from which aluminum is desorbed.
Resumen de: EP4583194A2
The present invention provides a method for supervising a secondary battery manufacturing process including an electrode manufacturing process, which includes multiple electrode sub-processes, and an assembly process, which includes multiple assembly sub-processes to form an electrode assembly. The method includes retrieving an identification mark assigned to an electrode, and acquiring position data of the identification mark for the electrode in at least one of the electrode sub-processes and matching the position data with the identification mark.
Resumen de: EP4583284A1
The present technology provides a battery module including: a plurality of battery cell assemblies each including a plurality of battery cells; a lower case including a plurality of first pocket parts spaced apart from each other in a first direction and a first connection part extending between two adjacent first pocket parts among the plurality of first pocket parts, in which each of the plurality of first pocket parts includes a lower accommodation space for accommodation of a lower part of a corresponding battery cell assembly among the plurality of battery cell assemblies and the plurality of first pocket parts and the first connection part are integrally formed; and an upper case including a plurality of second pocket parts spaced apart from each other in the first direction and a second connection part extending between two adjacent second pocket parts among the plurality of second pocket parts, in which each of the plurality of second pocket parts includes an upper accommodation space for accommodation of an upper part of a corresponding battery cell assembly among the plurality of battery cell assemblies and the plurality of second pocket parts and the second connection part are integrally formed.
Resumen de: EP4583286A1
This application provides a battery pack, an energy storage apparatus, and an energy storage system. The energy storage apparatus includes a plurality of stacked battery packs. In two contact surfaces of two adjacent battery packs, a protective part and a first connector are disposed on one of the contact surfaces in a protruding manner, and a groove and a second connector are disposed on the other of the contact surfaces. The second connector is located in the groove, the protective part is pluggably connected to the groove, and the first connector is pluggably connected to the second connector. The energy storage apparatus can implement accurate alignment between the battery packs, thereby greatly reducing an assembly procedure and an assembly time for mounting the energy storage apparatus by a user, and improving assembly efficiency of the energy storage apparatus.
Resumen de: EP4583297A1
A cells contact system (CCS) connecting sheet, a CCS acquisition circuit, and a battery pack are provided. The CCS connecting sheet includes a connecting sheet body (1). The connecting sheet body (1) includes a first region (11) and a second region (12). A thickness of the second region (12) is less than a thickness of the first region (11) to form at least one step (3) at a junction therebetween. An outer surface of the second region (12)is provided with a nickel-plating layer.
Resumen de: EP4582280A2
A mild-hybrid energy storage system architecture is provided, comprising: a battery; an ultracapacitor connected in parallel with the battery; a passive battery pre-charge circuit connected between a terminal of the battery and a DC bus; a battery main contactor connected in parallel with the battery pre-charge circuit between the terminal of the battery and the DC bus; a passive ultracapacitor pre-charge circuit connected between a terminal of the ultracapacitor and the DC bus; an ultracapacitor main contactor connected in parallel with the ultracapacitor pre-charge circuit between the terminal of the ultracapacitor and the DC bus; and a control module configured to independently control operation of the battery pre-charge circuit, the battery main contactor, the ultracapacitor pre-charge circuit and the ultracapacitor main contactor.
Resumen de: EP4583273A2
An electronic device may include: a housing including a front plate oriented in a first direction, a rear plate oriented in a second direction opposite the first direction, and a side member enclosing at least a part of a space between the front plate and the rear plate. The electronic device further including a display disposed to be visible through the front plate; a printed circuit board disposed between the display and the rear plate; a support structure having a first face oriented in the first direction and supporting the display and a second face oriented in the second direction and supporting the printed circuit board,; a conductive member disposed between the support structure and the rear plate; and a sealing structure disposed between the conductive member and the rear plate, the sealing structure extending along a periphery of the conductive member and formed in a closed curve shape.
Resumen de: EP4583245A2
Provided are a device and the like capable of evaluating the performance of a secondary battery while reducing the arithmetic processing load required for identifying the values of model parameters defining a model used for evaluating the performance of the secondary battery. According to whether a designated condition is satisfied or not, a different battery model is determined as a battery model used for evaluating the performance of a target secondary battery. Specifically, when a designated condition is satisfied, a second battery model is determined which is defined by a smaller number of second model parameters than a plurality of first model parameters and is therefore a simpler battery model than a first battery model defined by the plurality of first model parameters (which is a battery model determined in the case where a designated condition is not satisfied).
Resumen de: EP4583244A2
A failure detection method for battery racks (100, 400) is disclosed and includes: sensing temperature data of the battery racks (100, 400) and using the temperature data to compute a temperature slope, a maximum temperature, and a minimum temperature of multiple temperature feature data; continuously computing temperature difference data of the temperature data in a computation frequency and using the temperature difference data to compute a Z score; setting a first, a second, a third, and a fourth discrete score respectively to the maximum temperature, the minimum temperature, and the Z score; adding up the first, second, third, and fourth discrete scores to obtain a grading value; and, evaluating whether the battery racks (100, 400) are at an abnormal state according to the grading value, and generating an alarm message when the battery racks (100, 400) are at the abnormal state.
Resumen de: WO2025098005A1
A cells contact system, comprising: a busbar assembly (a), configured to be electrically connected to a plurality of battery cells (01); and a cells contact system support (b), comprising a fixing support (4) and a mounting frame (5) which are separately arranged. The two ends of the busbar assembly (a) are mounted to the fixing support (4), and the middle part of the busbar assembly (a) is mounted to the mounting frame (5). A battery module comprising the cells contact system.
Resumen de: EP4583176A2
This invention relates a process for preparing composite particles. The process comprises a first step of providing a plurality of porous particles comprising micropores and/or mesopores, wherein the total pore volume of micropores and mesopores as measured by nitrogen gas adsorption is in the range from 0.4 to 2.2 cm<sup>3</sup>/g. The porous particles are contacted with a precursor of an electroactive material at a temperature effective to cause deposition of the electroactive material in the pores of the porous particles to form intermediate particles. Deposition of the electroactive material is discontinued and byproducts are optionally separated from the intermediate particles. The intermediate particles are then contacted with a precursor of an electroactive material, at a temperature effective to cause further deposition of the electroactive material in the pores of the intermediate particles to form the composite particles. In at least one of the deposition steps, the reactor pressure is maintained at less than 200 kPa.
Resumen de: EP4583252A1
Disclosed is a battery module with a heating function, and more particularly a battery module including a plurality of cylindrical battery cells, a first frame having a receiving hole configured to receive the plurality of cylindrical battery cells, a second frame having a plurality of holes incised so as to each have a predetermined area in one side surface thereof, the second frame being coupled to the first frame, a heat conduction pad located inside the second frame, the heat conduction pad being configured to cover the plurality of holes, and a receiving frame having a space portion configured to receive a heating solution and an operation unit configured to activate the heating solution, wherein a heat conduction unit for heat conduction is provided in the receiving frame.
Resumen de: EP4583250A1
The present disclosure provides a battery module including a plurality of cells, a cooling plate, and a battery pack. The battery module includes a plurality of cell groups; and a plurality of cooling plates disposed between two adjacent cell groups. Each of the plurality of cooling plates further includes a plurality of first partition walls and a plurality of second partition walls. The fluid channel is divided into a plurality of first flow channels through the plurality of first partition walls. The first flow channel is divided into at least two second flow channels through the second partition wall.
Resumen de: EP4583236A1
A laminated cell, a prismatic lithium battery and a battery pack are provided. By controlling the size of the positive electrode plate and the size of the negative electrode plate, it is ensured that the laminated cell has acceptable internal resistance, which can improve the actual capacity, energy density, rate performance and cycle stability of the prismatic lithium battery including the laminated cell, and can improve the safety of the prismatic lithium battery.
Resumen de: EP4583228A1
The present invention relates to a solid electrolyte film and an all-solid-state battery comprising same.
Resumen de: EP4583198A1
This application discloses a composite positive electrode material and a preparation method thereof, a positive electrode plate, a secondary battery, and an electric apparatus. The composite positive electrode material is LiLixNiaCobMncMdO2, where x + a + b + c + d = 1, 0 < a, b, and c < 1, 0 ≤ d ≤ 0.05, 0 ≤ x, and the element M includes one or more of Al, B, Zr, Sr, Y, Sb, Ta, Na, K, W, Ti, Mg, Nb, Hf, Mo, and Ce. A span (SPAN) of the composite positive electrode material is 1.2-2.0. The composite positive electrode material includes a first lithium-rich manganese-based positive electrode material and a second lithium-rich manganese-based positive electrode material. Primary particles of the first lithium-rich manganese-based positive electrode material are rod-like particles, a length of the rod-like particle is 0.1-1.5 µm, and Dv50 of secondary particles is 3-8 µm. Primary particles of the second lithium-rich manganese-based positive electrode material are spheroidal particles, a diameter of the spheroidal particle is 0.1-400 nm, and Dv50 of secondary particles is 8-20 µm.Dv50 of the secondary particles, the span of the composite positive electrode material, and shapes and sizes of the primary particles are controlled, so that the composite positive electrode material has high compacted density and the secondary battery has good cycling performance.
Resumen de: EP4583214A1
The present invention relates to an apparatus for heating an electrode sheet, the apparatus including: a heating part provided to heat a bottom surface of a predetermined area of the electrode sheet fed in a predetermined feeding direction, wherein the electrode sheet is wound to be manufactured as each of wound type electrodes of a jelly-roll-type electrode assembly, wherein the predetermined area includes one area of the electrode sheet which corresponds to an end area disposed on an outermost end of the wound type electrode of the jelly-roll-type electrode assembly, or when a stepped portion is generated between outer ends of the wound type electrodes due to a length difference between the wound type electrodes of the jelly-roll-type electrode assembly, the predetermined area includes one area of the electrode sheet which corresponds to an area, on which the stepped portion is generated, of one of the wound type electrodes.
Resumen de: EP4583276A1
The present disclosure includes a battery pack and a device including the same. The battery pack according to an embodiment of the present disclosure includes a first pack case for mounting a plurality of battery modules that house a battery cell stack; a second pack case disposed while covering the plurality of battery modules; and an inflow port provided at an upper end of the second pack case, wherein the inflow port is connected to a flow path that transmits a fire extinguishing liquid injected from the outside.
Resumen de: EP4583301A1
This application discloses a battery and an electrical device. The battery includes an electrode plate and tab. The electrode plate includes a current collector and an active material layer disposed on the current collector. The tab is connected to the current collector. The tab protrudes beyond the electrode plate along a width direction of the electrode plate. Along the width direction of the electrode plate, the tab includes a first region and a second region. The first region is located between the second region and the active material layer, a thickness of the first region is t1, and a thickness of the second region is t2, satisfying: 0.5% ≤ (t1 - t2)/t1 ≤ 5%.
Resumen de: GB2637005A
An apparatus 10 comprising a horizontal elongate rack 12 and gripper modules movable along the rack. Each module comprises a gripper unit carrier (fig. 2, 18) mounted on the rack. Additionally, each gripper module comprises at least two adjacent configurable modules 14 each comprising a sub-mounting pivotally mounted on a respective carrier so as to pivot around a vertical axis. This sub-mounting comprises a horizontal sub-rack 28 on which a pair of gripper units (fig. 2 30a, 30b) are mounted such that the horizontal separation between the gripper units can be varied and the horizontal sub rack of one of the sub-mountings is higher than the horizontal sub-rack of the other sub-mounting.
Resumen de: EP4582304A1
The present disclosure refers to a method for operating a battery pack, is provided. Thereby a current intermediate characteristic value characterizing an aging state degree of the battery pack is determined based on detected and/or obtained condition measurement signal. Afterwards, a comparison of the current intermediate characteristic value and a first predetermined value of the intermediate characteristic value is performed, wherein the first predetermined value includes a value of the intermediate characteristic value at which a predefined value of the aging state degree is undercut. Further, an operational limit for the battery pack is adjusted based on the comparison. The invention further relates to a battery system including a battery pack, the battery system being configured for performing the disclosed method.
Resumen de: EP4583253A1
The invention relates to a battery tray for receiving at least one battery cell serving as a drive energy storage device for an electrically driven vehicle, wherein the battery tray (2) is connectable to a body of the vehicle, the battery tray (2) comprising: a substantially circumferential frame structure (4) comprising longitudinal sides (6) and transverse sides (8) for forming a receiving area (14) for the at least one battery cell, wherein the battery tray (2) is formed in one piece from a light metal material, in particular cast in one piece from a light metal material; wherein the receiving area (14) comprises an area of at least 0.5 m<sup>2</sup>, preferably of at least 0.75 m<sup>2</sup>, more preferably of at least 1 m<sup>2</sup>. The invention also relates to a method for low pressure die casting a battery tray.
Resumen de: EP4583283A1
This application discloses a battery (100) and an electric apparatus. The battery (100) includes a box (10) and a bushing (30), where the box (10) is provided with a mounting beam (40), the mounting beam (40) includes a first beam (400) and a second beam (500), the first beam (400) is provided with a first mounting hole (401), the second beam (500) is provided with a second mounting hole (501), the bushing (30) includes a flange portion (31), a rod portion (32), and a connecting portion (33), along an axial direction of the rod portion (32), the flange portion (31) and the connecting portion (33) are respectively connected to two ends of the rod portion (32), the flange portion (31) protrudes from the rod portion (32) along a radial direction of the rod portion (32), the rod portion (32) passes through the first mounting hole (401), the connecting portion (33) passes through the second mounting hole (501), the flange portion (31) is sealably connected to the first beam (400) and/or the rod portion (32) is sealably connected to a wall of the first mounting hole (401), and the connecting portion (33) is sealably connected to a wall of the second mounting hole (501). The battery (100) can seal the bushing (30) to the first beam (400) and the second beam (500).
Resumen de: EP4583243A1
This utility model discloses a CCS component, a battery with the same, and an electric apparatus. The CCS component includes: an isolation plate, where the isolation plate is a vacuum formed plastic piece, and a side surface of the isolation plate in thickness direction is a first surface; and connecting pieces, where the connecting pieces are connected to the isolation plate and arranged on a side on which the first surface of the isolation plate is located, and the connecting piece is configured to electrically connect an electrode pole of a battery cell. According to the CCS component of this utility model, the isolation plate and the connecting pieces are provided, and the isolation plate is provided as a vacuum formed plastic piece, which can give a high production efficiency of the isolation plates and save costs, thereby greatly improving the production efficiency of the CCS components and reducing the production costs of the CCS components.
Resumen de: EP4583221A2
A battery plate handling apparatus comprises a horizontal elongate rack and gripper modules mounted so as to be movable along the rack. Each gripper module comprises a gripper unit carrier mounted on the rack and a gripper unit mounted on the gripper unit carrier for gripping groups of battery plates. The gripper modules comprise at least two adjacent configurable modules each comprising a gripper unit sub-mounting pivotally mounted on a respective carrier so as to pivot around a vertical axis spaced to one side of the rack. The gripper unit sub-mounting comprises a horizontal sub-rack on which a pair of gripper units are mounted such that the horizontal separation between the gripper units can be varied. The horizontal sub rack of one of the sub-mountings is higher than the horizontal sub-rack of the other sub-mounting. A process for configuring the apparatus comprises adjusting the position of the gripper unit carrier for each configurable gripper module on the rack and adjusting the separation of the gripper units on the sub-rack for each configurable gripper module such that the position of the gripper units corresponds to the positions of the groups of battery plates to be handled.
Resumen de: EP4583242A1
A battery pack apparatus includes a housing (11), a support frame (14), at least one battery cell module (15), a heat dissipation air duct, at least one first fan (17a) and a controller (19). The support frame (14) is disposed within a accommodating space of the housing (11). The at least one battery cell module (15) is mounted in the accommodating space via the support frame (14). The heat dissipation air duct is formed within the accommodating space. Two ends of the heat dissipation air duct are respectively in communication with air vents (12) on the opposite sides of the housing (11). The at least one first fan (17a) is capable of bidirectional rotation, is disposed within the accommodating space, and is positioned adjacent to one of the airvents (12).
Resumen de: EP4583357A1
According to an embodiment, an electronic device may comprise: a charging circuit for charging a battery; a motion sensor; a memory; and a processor operatively connected to the charging circuit, the motion sensor, and the memory. The processor may control the charging circuit to perform a charging function for the battery on the basis of a first charging frequency. The processor may change the first charging frequency to a second charging frequency in response to an execution when at least one of a function related to the motion sensor, an instruction related to the motion sensor, and an application including the instruction is executed. The processor may control the charging circuit to perform a charging function for the battery on the basis of the second charging frequency. Various other embodiments may be possible.
Resumen de: EP4583304A1
A manufacturing device 41 includes a fluid injection nozzle 43 that is pressed against a periphery of an opening 31A of a communication hole 31 on a side surface 23s of a sealing body 3 and injects a fluid F into each of a plurality of internal spaces S via the communication hole 31, a first restraining member 44 that restrains a first region F1 provided with the plurality of communication holes 31 in the sealing body 3, and a second restraining member 45 that is provided independently of the first restraining member 44 and restrains a second region F2 including the internal space S in a stacking direction.
Resumen de: EP4583206A1
A manganese-based solid solution positive-electrode material, wherein the manganese-based solid solution positive-electrode material has a layered structure, and a chemical formula of the manganese-based solid solution positive-electrode material is aNa2MnxRi1-xO3-(1-a)LiMnγM1-γO2, where 0.05 ≤ a < 1, 0 < x ≤ 1, 0.1 ≤ y ≤ 1, and each of the R and the M in the chemical formula independently comprises any one or combination of at least two of: alkali metal elements, alkaline earth metal elements, and transition metal elements.
Resumen de: EP4583186A1
The present specification discloses an electrode and a use thereof. The electrode comprises a polymer layer showing a PCT (positive temperature coefficient) effect and an oxidation potential, which are controlled according to objectives. Such an electrode cannot affect or can rather improve, in a normal state, performance and operation of a secondary battery by exhibiting excellent electrical properties such as low resistance, and can ensure, in an abnormal state, stability. The present specification also discloses a use of the electrode.
Resumen de: EP4583261A1
A battery housing and a battery, relating to the technical field of batteries. The battery housing comprises a shell and a cover plate. The shell comprises a side frame, and the side frame comprises a first open end. The cover plate is arranged at the first open end. One of the shell and the cover plate is provided with an annular recess, and the other one of the shell and the cover plate is matched with the recess. When the cover plate covers the first open end of the shell, the cover plate and the shell are limited by matching by means of the recess, to prevent the cover plate from moving relative to the shell during welding, so that it is more convenient to weld, and it is conducive to ensuring the dimensional accuracy of the prepared battery housing.
Resumen de: EP4583217A1
Die Erfindung betrifft ein Verfahren zur Bewegungsführung einer Relativbewegung zwischen einem Tisch (T) eines Batteriezellen-Stacking-Systems und einer Zuführvorrichtung (W) mit Bahnführungskomponenten für eine Separatorfolienbahn (S) des Batteriezellen-Stacking-Systems sowie eine zugehörige Steuerungsvorrichtung. Durch eine vorgeschlagene Relativbewegung mit Bewegungsanteilen in vertikaler Richtung überlagert zur Bewegung in horizontaler Richtung wird das Beschleunigungsprofil der Separatorfolienbahn derart geändert, dass Maximalwerte betragsmäßig reduziert werden.
Resumen de: EP4583229A1
A biphasic eutectogel decoupling electrolyte and a preparation method and application thereof are provided. The biphasic eutectogel decoupling electrolyte includes an acidic eutectogel electrolyte and an alkaline eutectogel electrolyte arranged in order; the acidic eutectogel electrolyte includes a dispersion medium at least including an acidic deep eutectic solvent and a first metal salt, and the alkaline eutectogel electrolyte includes a dispersion medium at least including an alkaline deep eutectic solvent and a second metal salt.
Resumen de: CN119698849A
A system (500) includes a first plurality of secondary devices (550), each secondary device (550) of the first plurality of secondary devices including a first wireless transmitter and a battery monitor integrated circuit (IC). The battery monitor IC is configured to obtain battery data from at least one battery cell, and the first wireless transmitter is configured to wirelessly transmit the battery data. A first primary device (502) has a second wireless transmitter wirelessly coupled to the first wireless transmitter of the first plurality of secondary devices via a first wireless network. The second master device (506) has a second wireless transmitter. The second primary device (506) is configured to detect a failure of the first primary device and, in response to detecting the failure, establish a second wireless network with the first plurality of secondary devices.
Resumen de: EP4583254A1
The present disclosure relates to a battery pack including: a plurality of battery modules including a plurality of battery cells; a cooling pipe assembly configured to supply a cooling medium to the respective battery modules; and a plurality of insertion ports configured to connect the respective battery modules and the cooling pipe assembly to each other, wherein the cooling pipe assembly has connection holes formed on the respective insertion ports so as to communicate with the insertion ports, and having the cross-sectional areas configured to be different from each other such that flow rates of the cooling medium supplied to the respective battery modules through the connection holes are equalized.
Resumen de: EP4583266A1
An energy-storage device and an electricity-consumption apparatus are provided. The energy-storage device includes an electrode assembly, a tab, a connector, and a lower plastic assembly. One end of the tab is connected to the electrode assembly, and the tab extends in a bent manner. The connector is connected to another end of the tab. The lower plastic assembly has a first surface and a second surface opposite the first surface. The first surface faces towards the tab. The connector is located between the lower plastic assembly and the electrode assembly. An avoidance recess is defined in the first surface. The avoidance recess is located at an edge of the lower plastic assembly in a width direction of the lower plastic assembly and extends in a length direction of the lower plastic assembly.
Resumen de: WO2025106077A1
An ultrasonic tab welder, useful for welding metal ribbon to metal sheet, has an ultrasonic stack having a horn configured to include a pair of ends between which are one or more upstanding welding stud surfaces and held by a bracket assembly. The bracket assembly includes a horn holder terminating at either end with U-shaped legs holding either end of the horn and an upper U-shaped legs having a generally horizontal piece carrying a strain gauge. A T-shaped assembly mated with the horn holder U-shaped legs that are carried by a U-shaped holder by a pair of downward holder legs. A pair of ball bearing assemblies are captured between the downward holder legs, the upper holder U-shaped legs, and the horn holder up U-shaped legs. The horn upstanding welding stud surfaces conformingly mate with the metal ribbon as it is welded to the metal sheet.
Resumen de: EP4583220A1
A battery, a battery module, and a battery pack are provided in the present application. The battery includes a case, a current collector plate, and multiple first welding portions. The case includes a top and a bottom, and a cavity is formed in the case. The current collector plate is arranged in the cavity. Multiple first welding portions are formed on a side, close to the bottom, of the current collector plate. The current collector plate is welded to the bottom through multiple first welding portions. Multiple first welding portions are arranged around a center of the current collector plate. A distance between each of first welding portions and the center of the current collector plate is greater than a distance between the first welding portion to an edge of the current collector plate.
Resumen de: KR20250104626A
개시되는 이차전지 모듈의 열화셀 검출장치는, 복수의 이차전지 셀이 격자 형태로 배치되고 각각이 직병렬로 연결되어, 서로 직렬로 연결된 이차전지 셀로 구성되는 복수의 직렬셀과 서로 병렬로 연결된 이차전지 셀로 구성되는 복수의 병렬셀을 형성하는 이차전지 모듈의 열화셀 검출장치로서, 상기 복수의 병렬셀의 양단 전압을 측정하여 복수의 직렬전압값을 산출하는 전압측정부; 상기 복수의 직렬셀 중 최 후단의 상기 이차전지 셀을 통하여 흐르는 전류를 측정하여 복수의 병렬전류값을 산출하는 전류측정부;를 포함한다.
Resumen de: KR20250104036A
본 발명은 증류수가 포함된 자동차 배터리 보호 장치에 대한 발명으로, 구체적으로 온도센서를 통해 배터리의 온도를 실시간으로 측정할 수 있어 배터리의 과부하 및 과열을 감지하여 화재 발생을 방지할 수 있는 배터리 보호 장치에 관한 발명이다.
Resumen de: WO2024101110A1
The present invention pertains to a sulfide solid electrolyte manufacturing method involving: mixing a raw material containing Li elements, a raw material containing P elements, and a raw material containing S elements, to obtain a raw material mixture; and performing a heat treatment on the raw material mixture. As the raw material containing S elements, Li2Sx (0.05≤x≤0.95) is used. The heat treatment is performed by introducing a gas containing S elements. The cumulative introduction amount Y (mass%) of S elements in the gas containing S elements, with respect to the mass of the raw material mixture, satisfies the relationship Y≥x2-6.5x+5.8, with x being in said Li2Sx.
Resumen de: US2025215607A1
One embodiment of the present disclosure provides a copper foil including a copper film having a matte surface and a shiny surface, and a protective layer disposed on the copper film, wherein the copper film has a first surface in a direction of the matte surface and a second surface in a direction of the shiny surface, and Equation 1 below is satisfied.45≤(average 60° gloss)/(G.U.)×(average peak density)/(count)/100≤70, Equation 1the average peak density in Equation 1 means an average value of peak densities of the first surface and the second surface, the peak density means a value acquired by dividing a peak count roughness (Rpc) by a surface area ratio, and the average 60° gloss in Equation 1 means an average value of 60° glosses of the first surface and the second surface.
Resumen de: KR20250104916A
본 발명은 전해액을 포함하는 용기에 전극을 상기 전극의 일부가 전해액에 잠기도록 투입하는 단계; 및 상기 전극 투입 후 시간(t)에 따른 전해액의 높이 변화량 h(t)와 최고 높이 변화량 h∞를 측정하고, x축에 시간(t)을 나타내고 y축에 h(t)/h∞을 나타낸 시간(t)-h(t)/h∞ 그래프를 도시하는 단계;를 포함하고, 특정 수학식을 이용하여 전극의 평균 공극 크기를 계산하는 방법을 제공한다. 본 발명에 따른 전극의 평균 공극 크기 측정방법은 간편한 방법으로, 전극 내에 존재하는 공극 크기를 정보의 왜곡 없이 높은 정확성으로 평가할 수 있다.
Resumen de: TW202441837A
The present disclosure relates to a plant for recycling used batteries, in particular lithium iron phosphate (LFP) batteries, and to a process for recovering valuable materials from used batteries.
Resumen de: TW202431690A
An electrode assembly includes unit cells stacked in a stacking direction, each including an electrode structure, a separator structure, and a counter-electrode structure. The electrode structure includes an electrode current collector and an electrode active material layer, the electrode structure extends in a longitudinal direction perpendicular to the stacking direction, an end portion of the electrode current collector extends past an outer surface of the electrode active material layer and the separator structure. The electrode assembly further includes an adhesive layer including a resistive polymeric material, and an electrode busbar attached to the end portions of the electrode current collectors through the adhesive layer. The adhesive layer is configured to adhere with the electrode busbar and the electrode current collectors below a transition temperature, and at least partially melt at or above the transition temperature to increase an electrical resistance between the electrode busbar and the electrode current collectors.
Resumen de: US2025219102A1
One embodiment of the present disclosure provides a copper foil including a copper film including 99.9 wt % or more of copper, and a protective layer disposed on the copper film, wherein the copper foil has a room-temperature thermal deformation index ranging from 15 to 50. The room-temperature thermal deformation index is expressed by Equation 1 below,room-temperaturethermaldeformationindex=(room- temperaturethermalexpansioncoefficient(ppm/°C.)+ room-temperatureelongation(%))/surfacearearatio.Equation1
Resumen de: US2025219054A1
A cathode active material for a lithium secondary battery according to the embodiments of the present disclosure includes: first cathode active material particles which includes a lithium metal oxide containing nickel, cobalt and manganese; and second cathode active material particles which includes a lithium phosphate compound, wherein a molar ratio of the cobalt based on a total number of moles of the nickel, cobalt and manganese in the first cathode active material particles may be more than 0 and less than 0.15, and a weight ratio of the first cathode active material particles and the second cathode active material particles may be 20:80 to 80:20. Accordingly, a lithium secondary battery having improved stability, capacity characteristics, and lifespan characteristics while reducing production costs may be implemented.
Resumen de: WO2024102624A2
Facile methods are disclosed for making free particles (for example, comprising LiFePO4 or NMC) which can be particularly useful as electrode materials in lithium batteries and other applications. Some methods involve dry mechanofusing suitable feedstock and template particles such that feedstock particles coat the template particles to form a coating, impact milling the coated template particles such that particles of the coating break off the template particles and then separating the broken off free particles from the template particles. Novel free particles produced by these methods can be characterized by an inter-grain layered structure identifiable by its preferred orientation characteristics. Such free particles can have uniquely low surface areas and electrodes made therewith can have uniquely low porosities yet high loadings and exhibit improved performance in electrochemical cells.
Resumen de: CN119318067A
The invention provides an isolating membrane, a secondary battery and an electric device, the isolating membrane comprises a first base membrane, a second base membrane and a bonding layer, the bonding layer is arranged between the first base membrane and the second base membrane, the melting point of the second base membrane is higher than that of the first base membrane, and the tortuosity of the first base membrane is larger than that of the second base membrane.
Resumen de: KR20250104692A
시험용 전지캔 거치대에 대한 발명이 개시된다. 개시된 발명은: 전지캔이 반전 상태로 배치된 상태에서 전지캔의 내부에 삽입된 집전판의 위치를 조절할 수 있게 전극조립체를 하측에서 지지하는 지지부를 포함하는 것을 특징으로 한다.
Resumen de: KR20250104689A
시험용 전지캔 거치대에 대한 발명이 개시된다. 개시된 발명은: 크림핑 단면에 배치된 전지캔의 바닥면을 하측에서 지지하는 하측지지부를 포함하고, 하측지지부는 크림핑 단면과 접촉하지 않게 마련되는 것을 특징으로 한다.
Resumen de: KR20250105054A
본 발명은 에너지 저장 기기 및 이의 소화 방법을 제공한다. 에너지 저장 기기는 에너지 저장 캐비닛 및 소화 시스템을 포함한다. 에너지 저장 캐비닛은 캐비닛 본체를 포함하고, 캐비닛 본체는 약 150℃ 이상 온도의 화염을 견디고 약 60 MPa보다 큰 압축 강도를 갖도록 구성되며, 캐비닛 본체는 적어도 하나의 배터리 시스템을 수용하는 수용 공간을 갖는다. 소화 시스템은 액체 주입 장치 및 액체 가이드 구조를 포함하되, 액체 주입 장치는 액체를 액체 가이드 구조에 주입하도록 구성되고, 액체 가이드 구조는 액체가 캐비닛 본체의 수용 공간 내로 분산되어 유입되고 적어도 하나의 배터리 시스템을 침수시켜 소화를 수행하도록 구성된다.
Resumen de: KR20250104225A
본 발명은 리튬-마그네슘 음극용 합금 제조에 관한 발명이다. 또한, 리튬-마그네슘 합금 기반 음극을 활용한 전고체 배터리에 관한 발명이다.
Resumen de: CN116936721A
The present invention relates to an electrode for a secondary battery, a method of manufacturing the same, and a secondary battery including the same. An electrode for a secondary battery according to one embodiment of the present invention comprises: a current collector; and an electrode active material layer located on at least one surface of the current collector, and the electrode for a secondary battery may satisfy the following relational expression 1. relational expression 1 1.0 < = Bei/Bci < = 2.0 (In relational expression 1, Bci is an interface binder content based on a center portion in a width direction of the electrode active material layer, and Bei is an interface binder content based on an edge portion in the width direction of the electrode active material layer.
Resumen de: US2025219197A1
Battery modules and battery packs are disclosed. In an embodiment of the disclosed technology, a battery module may include a cell assembly including a plurality of battery cells and at least one thermal transfer blocking assembly interposed between two or more adjacent battery cells of the plurality of battery cells; a module housing including a main plate structured to support the cell assembly; at least one slit formed in the main plate and arranged to face the at least one thermal transfer blocking assembly; and a thermally conductive polymer disposed in the at least one slit. A melting point of the thermally conductive polymer may be lower than a melting point of the main plate.
Resumen de: KR20250105692A
본 발명은 배터리 온도감지를 통한 배터리 소화 시스템에 관한 것으로, 배터리 제어부(10),진공펌프장치(20), 및 배터리셀(51,52,53,..61,62,63...71,72,73 ...), 가스공급장치(30)를 포함하는 배터리 온도감지를 통한 배터리 소화시스템으로서, 배터리 제어부(10)는 외부 혹은 배터리 전원공급부를 통해 전원공급을 받아 작동되며, 진공펌프장치 제어부, 가스공급장치 제어부, 배터리셀 온도감지부,배터리셀 압력감지부를 포함하고, 배터리셀(51,52,53,..61,62,63...71,72,73 ...)은 각각 일측에 솔레노이드밸브(51-1,52-1,53-1,61-1,62-1,63-1,71-1,72-1,73-1)가 연결되어 있고, 솔레노이드밸브는 진공펌프장치(20)와 전기적으로 연결되어 있고, 배터리셀(51,52,53,..61,62,63...71,72,73 ...)은 각각 타측에 체크밸브(51-2,52-2,53-2,61-2,62-2,63-2,71-2,72-2,73-2)가 연결되어 있고, 체크밸브는 가스공급장치(20)와 전기적으로 연결되어 구성된 것을 특징으로 한다.
Resumen de: KR20250104379A
본 발명의 일 실시예에 따른 배터리 충방전 밸런싱 장치는 정전류(CC)-정전압(CV) 운전 모드에 따른 충전 속도 차이에 관한 정보를 저장하는 메모리; 배터리별 충전잔량(SOC)을 측정하는 측정부; 및 상기 메모리에 저장된 충전 속도 차이에 관한 정보 및 상기 측정부를 통해 측정된 배터리별 충전잔량의 차이에 기초하여 충전 및 방전 우선순위를 설정하고, 상기 설정된 충전 및 방전 우선순위에 따라 배터리별 충전 또는 방전을 실시하도록 충전기와 연결된 PDU(Power Distrubution Unit)에 명령을 전달하는 프로세서를 포함한다.
Resumen de: US2025219096A1
A sub-assembly for an electrode-solid electrolyte, an all-solid-state battery comprising the same, and a method of preparing the all-solid-state battery. The electrode-solid electrolyte sub-assembly includes an electrode including a porous current collector having a first side and an opposite second side; an elastic layer including an elastic polymer and disposed on the first side of the porous current collector; and a solid electrolyte disposed on the opposite second side of the porous current collector. The porous current collector includes a plurality of internal pores and the elastic polymer is disposed in at least one internal pore of the plurality of internal pores of the porous current collector.
Resumen de: US2025215594A1
One embodiment of the present disclosure provides a copper foil including a copper film having a matte surface and a shiny surface, and a protective layer disposed on the copper film, wherein the copper film has a first surface in a direction of the matte surface and a second surface in a direction of the shiny surface, and Equation 1 below is satisfied.3.0 kgf/mm2≤tensile strength×average kinetic friction coefficient≤8.0 kgf/mm2, Equation 1the average kinetic friction coefficient in Equation 1 means an average value of kinetic friction coefficients of the first surface and the second surface.
Resumen de: KR20250105281A
고온안전성이 향상된 리튬 전지용 분리막 및 이를 포함하는 리튬 전지가 제공된다. 상기 분리막은 유리 섬유 기반의 분리막으로, 고체 전해질이 코팅될 수 있다. 상기 분리막을 포함하는 리튬 전지(예를 들어, 리튬 금속 일차 전지)는 고온에서 높은 안정성을 가질 수 있으며, 이에 따라, 석유 시추 등 고온 환경에 필요한 분야에 용이하게 활용될 수 있다.
Resumen de: WO2025143789A1
In relation to a tabless secondary battery to which a cylindrical electrode assembly using an end of an electrode sheet, which is not coated with an active material, as an electrode tab is applied, the present invention provides an electrode assembly structure capable of preventing the risk of short-circuiting in a core section of the electrode assembly and additionally securing a current path in the core section to reduce the amount of heat generated due to internal resistance, and a cylindrical secondary battery to which the electrode assembly is applied. The core section of the electrode sheet is provided with a plateau which protrudes outward in the axial direction beyond a cutting groove defining a division tab and extends in the longitudinal direction. The division tab is bent inward in the radial direction. While in the unbent state, the upper end of the plateau contacts and is electrically connected to the division tab.
Resumen de: WO2025138510A1
A lithium manganese iron phosphate positive electrode material, a preparation method therefor, and a lithium-ion battery. The crystallite size Dx at a characteristic peak (020) of the positive electrode material measured by means of XRD and the single particle size Ds of the positive electrode material measured by means of an SEM electron microscope satisfy: 2.0≤Ds/Dx≤4.0. The lithium manganese iron phosphate positive electrode material can solve technical problems such as poor dynamic diffusion capabilities and poor high-rate charging and discharging capabilities, which occur for existing lithium manganese iron phosphate.
Resumen de: KR20250104101A
본 발명은 분산제 및 이를 포함하는 이차전지 음극재 코팅용 도전재 분산액에 관한 발명이다. 구체적으로, 비닐계 분산제를 포함하여 기존 분산제 보다 성능이 우수한 도전재 코팅용 분산액을 이차전지 음극재 제조에 이용할 수 있다.
Resumen de: CN119487690A
The invention provides an isolating membrane, a secondary battery and an electric device, the isolating membrane comprises a first base membrane, a second base membrane and a bonding layer, the bonding layer is arranged between the first base membrane and the second base membrane, the stiffness of the isolating membrane in the transverse direction is recorded as T0, the stiffness of the isolating membrane in the longitudinal direction is recorded as M0, T0 is 1.0-8.0 mN * cm, and M0 is 1.2-7.0 mN * cm.
Resumen de: KR20250104693A
시험용 전지캔 거치대에 대한 발명이 개시된다. 개시된 발명은: 제1집전판에 결합되어 관통홀을 가로막는 지지부재를 제1집전판에 결합시키고, 제2집전판이 제2전극과 분리된 상태에서 인장강도 측정지그를 코어부로 삽입하여 제1집전판의 인장강도를 테스트하되, 지지부재를 가압하며 제1집전판의 인장강도를 테스트하는 것을 특징으로 한다.
Resumen de: US2025219101A1
One embodiment of the present disclosure provides a copper foil including a copper film including 99.9 wt % or more of copper, and a protective layer disposed on the copper film, wherein the copper foil has a first moisture absorption rate of 0.1% or less. The first moisture absorption rate is expressed by Equation 1 below,first moisture absorption rate=(weight after 24-hour immersion-weight before immersion)/(weight after 24-hour immersion)×100 Equation 1wherein the immersion in Equation 1 refers to immersing a specimen in water at room temperature for 24 hours.
Resumen de: US2025219156A1
An aluminum battery includes a positive electrode, a negative electrode, a separator, and an aqueous electrolyte. The separator is disposed between the positive electrode and the negative electrode. The aqueous electrolyte is impregnated into the separator, the positive electrode, and the negative electrode. When the aluminum battery operates, the positive electrode performs an intercalation mechanism, while the negative electrode performs a chelating mechanism.
Resumen de: KR20250104791A
본 발명에 따른 이차 전지는 전극 조립체 및 전극 조립체를 수용 가능한 전극 수용 공간이 형성되는 전지 케이스를 포함하고, 전극 조립체는, 적층 방향으로 적층되는 복수의 집전체로서, 적층 방향에 대하여 최외각에 위치되는 최외각 집전체를 포함하는 복수의 집전체, 복수의 집전체에 부착되는 복수의 전극 층으로서, 최외각 집전체의 내측에 부착되는 라스트 전극 층을 포함하는 복수의 전극 층 및 최외각 집전체에 대하여 라스트 전극 층이가 위치되는 반대 측에 위치되고, 라스트 전극 층보다 난연성이 큰 코팅 층을 포함한다.
Resumen de: US2025219160A1
An aluminum battery includes a positive electrode, a negative electrode, a separator, and an electrolyte. The separator is disposed between the positive electrode and the negative electrode. The electrolyte is impregnated into the separator, the positive electrode, and the negative electrode. The electrolyte includes aluminum halide, ionic liquid, and an additive, and the additive includes an isocyanate compound.
Resumen de: TW202515011A
The invention relates to a negative electrode material and a preparation method thereof and a lithium ion battery, the negative electrode material comprises an inner core and a composite layer located on at least part of the surface of the inner core, the inner core comprises graphite, the composite layer comprises a carbonaceous material and a non-carbonaceous material, the chemical general formula of the non-carbonaceous material is AxBy, 1 ≤ x ≤ 3, 1 ≤ y ≤ 5. The A element comprises at least one of Li, Na, K, Ca, Mg, Al, Zn, Ti, Nb, Zr, Mo, P, Si and B, and the B element comprises at least one of B, O, F, Si, P, S, Br and Cl. According to the negative electrode material, through the synergistic effect of the carbonaceous material and the non-carbonaceous material in the composite layer, the specific surface value of the negative electrode material can be reduced, the interface stability of the negative electrode material can be enhanced, the electrolyte wettability can be improved, the interface side reaction can be reduced, and the lithium ion transmission efficiency can be improved, so that the electrochemical performance of the negative electrode material can be improved.
Resumen de: KR20250104001A
본 발명에 따른 다중층 그래핀이 코팅된 나노급 실리콘 음극 활물질 제조 방법은, 그래핀 전구체 화합물을 제조하는 단계; 상기 그래핀 전구체 화합물에 시너를 배합하여 접착성 슬러리를 제조하는 단계; 상기 접착성 슬러리와 나노급 실리콘을 배합하여 복합 슬러리를 만드는 단계; 상기 복합 슬러리를 건조하는 단계 및 건조된 복합 슬러리를 소성로에서 소성하는 단계를 포함하는 것을 특징으로 한다.
Resumen de: KR20250105301A
실시예에 따른 도금 장치는 순차적으로 배치되어 기재가 이동하는 권출부, 제1 세정부, 도금부, 제2 세정부 및 권취부를 포함하고, 길이 방향의 제1 방향, 폭 방향의 제2 방향 및 두께 방향의 제3 방향을 포함하고, 상기 권출부는 제1 롤러 및 복수의 제3 롤러를 포함하고, 상기 권취부는 제2 롤러 및 복수의 제3 롤러를 포함하고, 상기 제1 세정부는 제1-1 세정부 및 제1-2 세정부를 포함하고, 상기 제1-1 세정부는 제4 롤러, 제5 롤러, 제6 롤러 및 세정조를 포함하고, 상기 제1-2 세정부는 상기 제5 롤러, 상기 제6 롤러 및 제1 노즐부를 포함하고, 상기 도금부는 상기 제4 롤러, 상기 제5 롤러, 상기 제6 롤러, 제7 롤러 및 제2 노즐부 및 애노드 전극을 포함하는 도금조를 포함하고, 상기 제2 세정부는 제5 롤러 및 제3 노즐부를 포함하고, 상기 제1 롤러는 제1 축 및 제1 롤러부를 포함하고, 상기 제2 롤러는 제2 축 및 제2 롤러부를 포함하고, 상기 제3 롤러는 제3 축 및 제3 롤러부를 포함하고, 상기 제4 롤러는 제4 축 및 제4 롤러부를 포함하고, 상기 제5 롤러는 제5 축 및 제5 롤러부를 포함하고, 상기 제6 롤러는 제6 축 및 제6 롤러부를 포함하고, 상기 제7 롤러는 제7 축 및 제7 롤러부를 포함한다.
Resumen de: KR20250103890A
본 발명은 전기차 배터리의 수냉식 냉각 판넬에 관한 것으로서, 보다 구체적으로는, 하판을 복합소재 플레이트를 사용하고, 사출 성형을 통하여 냉각 채널을 동시에 성형하여 제조 공정 시간을 줄이고, 냉각 채널의 전체적인 유로길이는 유지한채로 유로의 폭을 감소시킴으로써 냉각 채널 내부에 걸리는 압력을 감소시키는 기술에 관한 것이다. 특히, 전기차 배터리의 수냉식 냉각 판넬에 있어서, 내부에 발생되는 압력에 의해 냉각 효율이 저하되거나 냉각 판넬의 누수 등이 발생하는 것을 방지하기 위해, 냉각 채널에 걸리는 압력을 감소시키는 기술에 관한 것이다.
Resumen de: TW202433791A
The present invention refers to a process and a plant (100) for recycling used batteries, the plant comprising: - a first comminuting device (110) to comminute used batteries to a first degree of comminution to obtain comminuted battery material; - a drying device (120), arranged downstream of the first comminuting device (110), to dry the comminuted battery material; - a second comminuting device (130) designed to be explosion-proof and arranged downstream of the drying device (120), to comminute the dried battery material to a second degree of comminution, the second degree of comminution being greater than the first degree of comminution; and - a pyrolysis device (140), arranged downstream of the second comminuting device (130), to pyrolyse the dried and comminuted battery material.
Resumen de: KR20250103930A
본 발명에 따른 재생 흑연 제조방법은 회수된 흑연을 왕수에 분산시키는 단계를 포함한다. 또한, 본 발명에 따른 재생 흑연 제조방법을 사용하여 제조된 재생 흑연은 이차전지 음극 활물질로 사용될 수 있다. 이 경우, 이차전지의 총방전용량이 향상되고 전극 충방전 효율을 높이며 전극 수명이 개선될 수 있다.
Resumen de: KR20250104690A
본 발명은 전지캔의 성능과 안전성을 테스트하기 위해 전지캔을 전기적으로 테스트하기 위한 장치 및 이를 이용한 테스트 방법이다. 테스터는, 상기 전지캔의 둘레면의 일부를 파지하여 상기 전지캔을 고정하는 지그와, 상기 전지캔의 한 쌍의 전극단자와 각각 연결되고 전지캔보다 측방향 외측으로 연장되는 한 쌍의 버스바리드와, 상기 전지캔의 둘레면이 공간에 노출되도록 상기 전지캔의 양측에 이격 배치되고 한 쌍의 상기 버스바리드와 각각 연결되는 한 쌍의 전극연결부를 포함한다. 상기 전극연결부는 상기 지그로부터 측방으로 멀어지도록 개방될 수 있다. 전지캔은 한 쌍의 상기 전극연결부 사이에서 전후방향으로 상기 지그에 고정될 수 있다. 지그실험을 위한 회로는 상기 전극연결부에 마련된 터미널에 접속된다. 상기 전지캔에서 온도 정보를 획득하고자 하는 부위에는 온도 센서가 설치된다. 이를 통해, 전지캔의 단락 실험 또는 전지캔의 충방전 실험 등이 이루어질 수 있다.
Resumen de: TW202436635A
The present disclosure relates to a plant for recycling used batteries, in particular lithium iron phosphate (LFP) batteries, and to a process for recovering valuable materials from used batteries.
Resumen de: KR20250104153A
본 발명은 이차전지 재활용 공정에서 발생하는 니켈 함유 폐슬러지를 활용하여 스테인레스 원료 용도 등에 사용될 수 있는 니켈 농축물 형태로 니켈을 회수하는 방법에 관한 것이다.
Resumen de: US2022181687A1
Disclosed are a solid-liquid hybrid electrolyte membrane including a plurality of solid polymer particles and a small amount of liquid electrolyte, wherein the solid polymer particles are packed, while being in contact with one another, and include a porous structure having a pore structure formed among the solid polymer particles, and the liquid electrolyte surrounds the inside of the pores of the porous structure, the portions in which the solid polymer particles are in surface contact with one another, or the surfaces of the solid polymer particles, and a method for manufacturing the same. It is possible to provide a solid-liquid hybrid electrolyte membrane, which can be deformed by external pressurization, by using no solid electrolyte. It is also possible to provide a solid-liquid hybrid electrolyte membrane showing low resistance by using no binder polymer. Meanwhile, the solid-liquid hybrid electrolyte membrane includes a small amount of liquid electrolyte, and thus can ensure improved ion conductivity as compared to the conventional solid electrolyte batteries.
Resumen de: WO2024130982A1
Disclosed in the present invention are a high-initial-efficiency negative electrode material for a lithium-ion secondary battery and a preparation method therefor. The high-initial-efficiency negative electrode material comprises a porous carbon matrix, metallic lithium particles, nano silicon particles, and a carbon shell; the porous carbon matrix is a porous carbon microsphere containing through holes; the average hole size of the through holes is 1 nm-50 nm; the metallic lithium particles are formed by depositing gaseous lithium in the through holes; the nano silicon particles are formed by depositing silicon-containing gas in the through holes; the mass of the metallic lithium particles accounts for 10%-50% of the total mass of the high-initial-efficiency negative electrode material; the particle size of the nano silicon particles is between 0.1 nm and 45 nm, and the mass of the nano silicon particles accounts for 20%-70% of the total mass of the high-initial-efficiency negative electrode material. The use of the high-initial-efficiency negative electrode material in the lithium-ion secondary battery can improve the initial Coulombic efficiency of the battery, and the initial Coulombic efficiency of the battery is 99%-105%.
Resumen de: WO2025143955A1
Disclosed are an electrode, a secondary battery comprising same, and an energy storage device, the electrode comprising: an electrode current collector; and an electrode layer located on the electrode current collector and containing an active material, a conductive material, and a binder, wherein: the binder contains a fluorine-based polymer and a modified polyolefin; the surface of the electrode has 5 dichroic regions/ m2 or fewer; the modified polyolefin contains at least one functional group of a carboxylic acid anhydride-derived functional group and a carboxylic acid-derived functional group; and the breaking strength per unit width of the electrode layer is 0.6 N/cm or more.
Resumen de: WO2025139476A1
Provided are a negative electrode material and a battery. The negative electrode material comprises a carbon material and a silicon material, wherein the silicon material is located inside the carbon material and/or between the carbon materials. The total volume of the carbon material is VC, the total volume of the silicon material is VSi, and 0.9≤VC/VSi≤2.3. An SEM section of a negative electrode material particle is divided into a plurality of unit regions having an area of A×B, wherein A×B=104 nm2, and the average distance between adjacent silicon material particles in any unit region is d nm, where 3≤d≤50. The provided negative electrode material can improve the dispersion uniformity of the silicon material, and can effectively inhibit the volume expansion of the negative electrode material and improve the cycle performance of a battery.
Resumen de: WO2025143349A1
The present invention relates to a universal battery management method and system. The universal battery management method comprises the steps of: sensing the voltages of battery cells and the number of serial/parallel connections; measuring the voltages of the battery cells according to charging capacity; calculating the slope of the voltage of the battery cells according to the charging capacity; and specifying the type of each of the battery cells.
Resumen de: WO2024101452A1
The present disclosure provides: an electrolytic solution for non-aqueous sodium ion batteries, the electrolytic solution containing (I) a fluorosulfate, (II) at least one selected from the group consisting of compounds having at least two isocyanate groups, compounds represented by a specific general formula (1), compounds represented by a specific general formula (2), and compounds represented by a specific general formula (5), (III) a sodium salt, and (IV) a non-aqueous solvent; a non-aqueous sodium ion battery provided with at least a positive electrode, a negative electrode, and the electrolytic solution for non-aqueous sodium ion batteries; and a method for producing the non-aqueous sodium ion battery.
Resumen de: KR20250104695A
본 발명은 축방향 단부로 돌출되는 전극의 무지부가 반경방향으로 절곡된 형태의 전극탭이 마련된 젤리-롤 형태의 전극조립체를 파지하는 CT 촬영용 지그에 관한 것이다. 상기 촬영용 지그는, 회전 중심을 따라 회전하는 회전 지그와, 상기 회전지그에 설치된 지그 조립체를 포함한다. 상기 지그 조립체는, 설정된 가압력으로 상기 전극탭을 상기 전극조립체의 축방향 내측으로 가압하는 마스크 지그를 포함한다. 상기 전극조립체를 상기 마스크 지그로 가압한 상태에서, 상기 마스크 지그가 상기 회전 중심과 교차한다. 상기 전극탭에 대한 마스크 지그의 가압력은 사용자가 조절 가능하다.
Resumen de: KR20250104100A
본 발명은 분산제 및 이를 포함하는 이차전지 양극재 코팅용 도전재 분산액에 관한 발명이다. 구체적으로, 비닐계 분산제를 포함하여 기존 분산제 보다 성능이 우수한 도전재 분산액을 이용하여 이차전지 전극에 이용할 수 있다
Resumen de: KR20250104838A
이차전지용 전극과 이의 제조 방법 및 이차전지가 개시된다. 이차전지용 전극은 금속체와, 금속체의 일면과 접하며 금속체의 일면 상에 위치하는 비전도성 막을 포함한다. 금속체와 비전도성 막 중 적어도 비전도성 막에 홈이 위치하여 금속체의 표면 일부를 노출시킨다. 홈의 깊이는 비전도성 막의 두께 이상이고, 비전도성 막의 두께와 금속체의 두께 합보다 작다.
Resumen de: US2025219185A1
An apparatus and method for controlling an internal environment of a battery pack, the apparatus including a temperature sensor which measures an internal temperature of a battery pack, a humidity sensor which measures an internal humidity of the battery pack, a heating apparatus which increases the internal temperature of the battery pack and a processor which controls an internal environment of the battery pack by calculating a dew point based on the measured internal temperature and internal humidity, setting a threshold value based on the dew point, determining whether a current temperature reaches the threshold value according to changes in the internal temperature and the internal humidity and applying a control signal to the heating apparatus so that the current temperature does not reach the threshold value.
Resumen de: WO2025143737A1
The present invention relates to a secondary battery fixing jig, which comprises: a mounting plate including an electrically insulating material and provided to have a secondary battery mounted thereon; a plurality of terminal connection parts each provided to be in direct contact with and electrically connected to one electrode terminal among a plurality of electrode terminals; a bus bar mounted on the mounting plate and provided to electrically connect electrode terminals having the same polarity among the plurality of electrode terminals of the secondary battery; and at least one terminal fixing member configured to be movable along the bus bar and provided to electrically connect, on the bus bar, an electrode terminal having the same polarity as the electrode terminal connected to the terminal connection part.
Resumen de: KR20250104075A
본 발명은 2023년도 교육부의 재원으로 한국연구재단의 지원을 받아 수행된 지자체-대학 협력기반 지역혁신 사업의 결과입니다.(2021RIS-002) 본 발명은 전기자동차의 배터리에 발생할 수 있는 배터리 화재를 초기에 진압하여 배터리의 열폭주로 인한 자동차 화재 및 폭발 사고를 미연에 방지할 수 있는 소화액 주입장치를 구비한 전기차용 배터리 시스템에 관한 것이다. 본 발명에 따른 소화액 주입장치를 구비한 전기차용 배터리 시스템은 배터리팩이 장착되는 전기차에 설치되는 것으로, 상기 배터리팩의 내부로 소화액이 유입될 수 있도록 형성된 주입구를 포함하는 소화액 주입부, 상기 소화액 주입부로부터 소정길이 연장되고 차체 외부에서 소화액을 공급하는 소화액 공급기와 연결될 수 있으며, 내부에 소화액이 이동할 수 있도록 이동통로를 제공하는 주입호스를 포함한다.
Resumen de: KR20250103915A
자동차용 배터리 모듈 시스템이 개시된다. 상기 자동차용 배터리 모듈 시스템은, 배터리 셀 복수 개를 조합하여 구성되는 배터리 모듈; 상기 배터리 셀의 전압, 전류 및 온도를 모니터링하고 설정 상태로 유지 및 관리하며, 상기 배터리 모듈의 충방전을 제어하는 배터리 관리 장치; 상기 배터리 관리 장치의 제어를 통해 상기 배터리 모듈로 전기를 충전하거나 상기 배터리 모듈에서 사용처 방향으로 전기가 방전되도록 하기 위해 도전로를 형성하는 충방전 회로부; 및 외부의 물리적, 화학적 충격으로부터 상기 배터리 모듈을 보호하는 배터리 케이스;를 포함할 수 있다.
Resumen de: US2025219098A1
One embodiment of the present disclosure provides a copper foil including a copper film including a matte surface and a shiny surface, wherein a hydrogen vacancy density at a depth of 30 nm to 45 nm from the matte surface ranges from 80 to 250 counts, a hydrogen vacancy density at a depth of 30 nm to 45 nm from the shiny surface ranges from 3 to 20 counts. The hydrogen vacancy density refers to the number of hydrogen ions measured at a certain sputter depth from each of the matte surface and the shiny surface using time of flight-secondary ion mass spectrometry (TOF-SIMS).
Resumen de: CN116111248A
A battery cell laminate according to the present invention comprises: a plurality of battery cells; and a resin layer in full or partial contact on an outer surface of at least one of the plurality of battery cells, the resin layer including a solvent-free binder having a specific peel strength and shear strength so as to be capable of being coated by a spray method, consequently, the structural stability and reliability of the battery cell laminate can be improved while materials and processes required for manufacturing the battery cell laminate are simplified.
Resumen de: US2025219066A1
A main object of the present disclosure is to provide an electrode active material of which volume change due to charge and discharge is small. The present disclosure achieves the object by providing an electrode active material including Si, wherein a Si—H bond is present on a surface of the electrode active material; and a rate of a hydrogen amount (weight %) with respect to a BET specific surface area (m2/g) is more than 0.0034.
Resumen de: KR20250104000A
본 발명에 의한 리튬 이차전지용 전해액은 용매, 리튬염 및 디알콕시디알킬실란을 첨가제로 포함하여 SEI층 형성을 유도함으로써 음극의 내구도 및 나아가 이차전지 전체의 내구도를 향상시킬 수 있는 장점이 있다.
Resumen de: KR20250104918A
본 발명은 전극 집전체 및 상기 전극 집전체의 적어도 일면에 전극 활물질층이 형성되되, 상기 전극 활물질층이 두께가 일정한 평탄부 및 두께가 감소하는 슬라이딩부를 포함하고, 상기 슬라이딩부는 표면 일부가 절연 물질로 코팅된 오버랩부를 포함하는 것인 전극을 준비하는 제1 단계; 두께 측정 센서를 이용하여 상기 전극 집전체의 일면에 형성된 전극 활물질층의 폭에 따른 두께 프로파일을 얻는 제2 단계; 상기 제2 단계에서 얻어진 전극 활물질층의 폭에 따른 두께 프로파일로부터 전극 활물질층의 이론 용량(Xt) 및 상기 오버랩부의 용량(Xo)을 산출하고, 하기 식 1에 따라 상기 전극 활물질층의 발현 용량(Ct)을 구하는 제3 단계;를 포함하는 전극의 발현 용량 예측 방법을 제공한다: 식 1 JPEGpat00020.jpg630 상기 식 1에서, Ct는 전극 활물질층의 발현 용량(mAh), Xt는 전극 활물질층의 이론 용량(mAh), Xo는 오버랩부의 용량(mAh)이다.
Resumen de: WO2024096017A1
The present invention provides a composition for an electrochemical element functional layer, the composition having excellent wet-adhesion properties and being capable of forming a functional layer that can effectively suppress expansion of an electrochemical element and deposition of metal on an electrode during charging and discharging. A composition for an electrochemical element functional layer according to the present invention contains a particulate polymer, and is characterized in that the particulate polymer includes a structural unit including a group having an aromatic ring in which at least one hydrogen atom is substituted with a hydroxyl group.
Resumen de: KR20250104917A
본 발명은 집전체; 상기 집전체 상에 배치되는 제1 양극 활물질층; 및 제2 양극 활물질층;을 포함하고, 상기 제1 양극 활물질층의 표면은 제1 표면 및 제2 표면을 포함하고, 상기 제1 표면에는 상기 제2 양극 활물질층이 배치되고, 상기 제2 표면은 상기 제2 양극 활물질층이 배치되지 않고, 상기 제1 양극 활물질층은 제1 양극 활물질을 포함하고, 상기 제2 양극 활물질층은 제2 양극 활물질 및 희생 양극재를 포함하는 양극을 제공한다.
Resumen de: WO2024109861A2
Provided in the present invention are a porous carbon and a preparation method therefor, and a silicon-carbon negative electrode material and a preparation method therefor. The porous carbon is used for preparing a silicon-carbon negative electrode material. The preparation method for the porous carbon comprises: S100, using a biomass carbon source as a raw material, and carbonizing the biomass carbon source by means of heat treatment, so as to prepare a crude product of the porous carbon; and S200, subjecting the crude product of the porous carbon prepared in step S100 to pore filling and sealing treatment by using an organic carbon source by means of chemical vapor deposition, so as to obtain a finished product of the porous carbon. The biomass carbon source comprises: coconut shells, straw, rice husks, wood, bamboo, bagasse and nut shells. By means of the pore filling and sealing treatment of the crude product of the porous carbon, the present invention can seal pores of an excessively small size in the porous carbon, such that the specific surface area of the porous carbon is reduced. Therefore, the porous carbon of the present invention is more suitable for the preparation of a silicon-carbon negative electrode material.
Resumen de: KR20250104643A
본 발명은 리튬이온 이차전지용 고강도, 고안전성 Al 파우치 필름에 관한 것으로서, 특히 표면처리와 접착 공정이 일체화된 Non Cr계 접착층을 포함하여 Cr계 표면처리로 유발되는 환경오염 문제를 해소할 수 있으며, 표면처리 및 접착 공정의 일체화를 통해 공정단축의 효과도 얻을 수 있으며, Nano SiO2 및 Al2O3로 인해 고절연성, 접착강도 향상 등으로 고강도/고안전성 Al Pouch Film을 달성할 수 있으며, 금속소재표면의 M-OH기와 코팅제의 실란올기간의 축합반응을 유도하여 고접착력과 열적/화학적 내구성이 우수하며, 고용량의 중대형 이차전지의 내열성, 내화학성 및 절연성을 동시에 향상시켜 이차전지의 안정성을 현저히 개선할 수 있는 이차전지 파우치 필름 및 이를 포함하는 이차전지에 관한 것이다.
Resumen de: KR20250104694A
본 발명은 전극시트의 폭방향 일측에 활물질이 코팅되지 않은 무지부가 길이방향으로 분할되고 폭방향 외측으로 연장된 형태의 분할탭을 구비하는 전극시트와, 이를 권취하고 상기 분할탭을 반경방향으로 절곡한 전극조립체를 제공한다. 상기 전극시트는, 길이방향을 따라 배치된 복수의 위치에서 상기 무지부가 높이방향으로 돌출 연장된 형태를 구비하는 분할탭을 구비한다. 상기 분할탭의 표면에는, 길이방향으로 연장되는 절곡유도선이 형성된다. 상기 절곡유도선의 길이방향 양 단부는, 상기 분할탭의 폭방향 양측 가장자리로부터 내측으로 소정 거리 이격 배치된다.
Resumen de: KR20250103954A
본 발명의 일 실시예에 따른 곡선형 와류 냉각 채널을 갖는 공랭식 배터리 셀은 내부에 다수 개의 배터리 모듈이 적층 및 결합되는 한 쌍의 셀하우징, 상기 셀하우징 사이에 개재되며, 상기 배터리 모듈로 부터 발생하는 열을 흡수하는 적어도 하나의 냉각핀, 상기 셀하우징 사이에 개재되며, 상기 냉각핀과 인접하게 형성되고, 외부로부터 공급되는 냉각유체가 상기 냉각핀과 열교환 하도록 안내하여 일 측으로 배출하는 유도카트리지를 포함하고, 상기 유도카트리지는 나란하게 배치되는 다수 개의 냉각유로를 형성하는 유로가이드를 포함한다.
Resumen de: WO2025139203A1
The present application relates to the technical field of batteries, and in particular to a negative electrode material and a preparation method therefor, and a secondary battery. The negative electrode material comprises a silicon-based active material and a matrix material; the negative electrode material contains a hydrogen element, a halogen element, a nitrogen element and a sulfur element, wherein the mass content of the hydrogen element is mH, and the mass content of the halogen element is mX, the mass content of the sulfur element is mS, the mass content of the nitrogen element is mN, and the following relations are satisfied: 0.02≤mX/mH≤5.00, 0.02≤mN/mH≤20.00, and 0.05≤mS/mH≤5.00. The mass content ratios of the hydrogen element to the nitrogen element, the sulfur element and the halogen element are each adjusted to an appropriate range, so that the volume expansion of the negative electrode material can be effectively inhibited, and the capacity, the first coulombic efficiency, the powder electrical conductivity, the cycle performance and the rate performance of the negative electrode material are all improved.
Resumen de: US2025219196A1
Battery assemblies are disclosed. In an embodiment, a battery assembly includes a case, a plurality of battery cells accommodated in a first inner space of the case, and a plurality of particle-shaped insulating materials accommodated in a second inner space of the case.
Resumen de: US2025219100A1
One embodiment of the present disclosure provides a copper foil including a copper film having a matte surface and a shiny surface, and a protective layer disposed on the copper film, wherein the copper film includes copper and non-copper elements, and the non-copper elements include carbon (C), nitrogen (N), and oxygen (O).
Resumen de: US2025219059A1
A composite anode active material including a double layer and a method of manufacturing the same are disclosed. In coating the surface of carbon-based particles with a coating layer having high energy density, a buffer layer is formed between the carbon-based particles and the coating layer. Charge/discharge efficiency of an all-solid-state battery including the anode active material is thereby improved. The anode active material has a core including carbon-based particles, a buffer layer covering at least a portion of a surface of the core and including a carbide, and a coating layer covering at least a portion of a surface of the buffer layer and including a lithiophilic material.
Resumen de: US2025219269A1
A main object of the present disclosure is to provide a method for disposing of a battery, with which the battery can be deactivated well. The present disclosure achieves the object by providing a method for disposing of a battery, the method including: a soaking step of soaking a battery including an Al terminal in a treatment liquid to decrease a voltage of the battery by causing outer short circuit through the treatment liquid, wherein the treatment liquid contains water, a supporting salt, and an additive that prevents the Al terminal from eluting; and a concentration of the additive in the treatment liquid is a minimum concentration CMIN, that is capable of preventing the Al terminal from eluting, or more.
Resumen de: WO2024135437A1
Disclosed is a binder composition for nonaqueous secondary batteries, the composition containing a copolymer and a polyrotaxane, wherein: the copolymer has a first structural unit that is derived from a monomer (a1) and a second structural unit that is derived from a monomer (a2); the monomer (a1) is a nonionic compound that has only one ethylenically unsaturated bond; the monomer (a2) is a compound that has a carboxy group and only one ethylenically unsaturated bond; and the polyrotaxane has a cyclic molecule that has a cyclic skeleton, and a chain molecule that passes through the opening of the cyclic molecule, while having a stopper group at both ends.
Resumen de: KR20250103500A
본 발명의 목적은 배터리 케이스와 냉각 채널의 용접 공정이 필요없도록 배터리 케이스 제조 공정에서 냉각 채널이 일체형으로 함께 제조될 수 있는 금형 시스템을 제공하는 것이다. 상기 목적에 따라 본 발명은, 저면에 냉각 채널이 일체화 된 배터리 케이스를 주조하는 금형은 주조되는 배터리 케이스의 저면이 위로 오도록 반전된 위치에서 주조가 이루어질 수 있는 캐비티를 구비하고, 제품 반전 위치에 따라 용탕 주입구를 제품 위치를 기준으로 제품 외측에 배열하고, 각 주입구들을 제품 일측 벽면 해당 부위에 나란히 배열되는 지지부재를 포함한 금형 시스템을 제공한다.
Resumen de: KR20250103118A
본 발명은 배터리셀 진단 고도화를 위한 초음파와 AI융합 진단 장치에 관한 것으로서, 배터리셀에 대응되게 마련되어 진단 초음파를 출사하고, 진단 초음파에 반응하여 배터리셀로부터 출력되는 반응 초음파를 수신처리하는 초음파 모듈과, 배터리셀의 온도를 포함하는 상태정보를 센싱하는 센싱부와, 초음파 모듈의 구동을 제어하고, 초음파 모듈로부터 수신된 반응 초음파 정보와, 센싱부로부터 수신된 상태정보를 수집처리하는 진단 지원부와, 진단 지원부를 제어하고, 진단 지원부로부터 수신된 반응 초음파 정보와 상태정보로부터 배터리셀의 성능평가를 위한 학습과정을 수행하고, 수행된 학습과정을 통해 획득된 성능 평가 진단방식을 통해 배터리셀의 성능 평가정보를 출력부를 통해 출력하는 진단 처리부를 구비한다. 이러한 배터리셀 진단 고도화를 위한 초음파와 AI융합 진단 장치에 의하면, 초음파를 이용하여 비접촉방식으로 배터리셀의 성능을 인공지능 방식으로 진단할 수 있도록 지원하는 장점을 제공한다.
Resumen de: WO2025143941A1
A separator according to the present invention not only demonstrates excellent adhesion to electrodes but also ensures sufficient porosity, thereby exhibiting outstanding resistance and ion conductivity characteristics. In addition, the present invention enables a reduction in lamination process time during the manufacture of electrode assemblies, thereby achieving high process efficiency in battery production.
Resumen de: WO2024091875A1
The disclosure relates to a functional interphase stabilizer for a battery having an organic nonaqueous solvent and a lithium salt in solution with the organic nonaqueous solvent. The disclosure also relates to a battery having an anode, a cathode, a separator, a functional interphase stabilizer having an organic nonaqueous solvent, and a lithium salt in solution with the organic nonaqueous solvent. The disclosure also relates to a method of making a functional interphase stabilizer including the steps of providing an organic nonaqueous solvent, adding a lithium salt to the organic nonaqueous solvent, and mixing the organic nonaqueous solvent and the lithium salt to form a solution.
Resumen de: KR20250102586A
본 발명은 메쉬 형태 집전체를 포함하는 수계 아연-브롬 전지용 전극에 관한 것으로서, 구체적으로는 티타늄(Ti) 메쉬에 탄소를 코팅한 집전체를 포함하는 수계 아연-브롬 전지용 전극에 관한 것이다.
Resumen de: KR20250102159A
이차전지용 전극이 개시된다. 이차전지용 전극은 약 65 내지 75 wt.%의 전극 활물질; 약 15 내지 25 wt.%의 도전재; 및 약 5 내지 15 wt.%의 바인더;를 포함하고, 이 경우, 상기 도전재는 종횡비가 0.7 내지 1.3인 제1 탄소 소재 및 종횡비가 10 내지 200인 제2 탄소 소재를 포함하며, 상기 바인더는 PTFE 및 PVDF를 포함한다.
Resumen de: KR20250102823A
본 발명의 일 실시예는 카르보닐기를 포함하는 화합물로 이루어진 군으로부터 선택되는 어느 하나 이상을 포함하는 용액을 리튬 금속 호일에 도포하는 단계, 상기 용액이 도포된 상기 리튬 금속 호일을 건조하는 단계를 포함하는 리튬 금속 호일 표면 처리 방법을 제공한다.
Resumen de: WO2024250512A1
A mounting device for a battery, a battery, and an electrical device. The mounting device comprises: mounting members, at least part of a first surface of each mounting member being a plane for connection to a battery, and protrusions being formed on the mounting members and protruding in a direction away from the first surfaces; and assemblies, the assemblies being connected to the protrusions of the mounting members. By connecting the mounting members to a box body of the battery and then connecting same to an external component by means of the assemblies, the battery is fixed onto the external component; additionally, the mounting members are connected to the box body of the battery by means of the planes, that is, connection between the mounting members and the box body of the battery is achieved by means of surface connection without the need of penetrating the battery, thus not occupying the internal space of the battery, and improving the space utilization of the battery.
Resumen de: KR20250103305A
본 발명의 일 실시예에 따른 전극 조립체는, 쉬트 형상을 가진 제1 전극 및 제2 전극과 이들 사이에 개재된 분리막이 일 방향으로 권취된 구조를 가진 젤리롤 타입의 전극 조립체로서, 제1 전극은, 장변 단부에 활물질층이 코팅되지 않은 제1 무지부 및 제1 무지부를 제외한 영역에 활물질층이 코팅되어 있는 제1 유지부를 포함하고, 제2 전극은, 장변 단부에 활물질층이 코팅되지 않은 제2 무지부 및 제2 무지부를 제외한 영역에 활물질층이 코팅되어 있는 제2 유지부를 포함하며, 분리막의 적어도 일부 영역에 절연층이 코팅된다.
Resumen de: KR20250103203A
본 발명의 일 실시예에 따른 이차 전지용 전극은 기재, 기재 위에 형성되어 있는 활물질층을 포함하고, 활물질층의 표면 거칠기는 3.2㎛ 내지 3.7㎛이다.
Resumen de: WO2025143947A1
A separator according to the present invention not only has excellent adhesion to an electrode, but also can ensure sufficient porosity, and thus has excellent resistance and ion conductivity characteristics. In addition, the lamination process time can be reduced during the manufacture of electrode assemblies, and thus high process efficiency can be achieved in manufacturing batteries.
Resumen de: WO2024216945A1
The present application discloses a battery system and an electrical device. The battery system comprises at least two battery modules and a relay device; each battery module comprises a plurality of battery cells; the plurality of battery cells in each battery module are configured to form a first channel which takes the battery cells as nodes and sequentially transmits specified data; a second channel for transmitting the specified data can also be formed between the at least two battery modules and a control device, respectively; the relay device is configured to form, between the relay device and the at least two battery modules, a third channel for transmitting the specified data; the relay device is further configured to forward the specified data between the battery modules. Therefore, the relay device communicates with the battery modules by means of the third channel, and forwards the specified data between the battery modules, so that the flexibility of data transmission among the battery cells and between the battery cells and the control device can be improved.
Resumen de: WO2025143375A1
Disclosed are an electrode assembly and a rechargeable battery comprising same. The electrode assembly according to one embodiment is an electrode assembly in which a plurality of electrode plates are wound with separators interposed therebetween. The outermost electrode plate among the plurality of electrode plates comprises: a penetration part located near an end portion of the outermost electrode plate; and a close contact part of which a peripheral portion is cut so as to protrude from the outermost electrode plate, and the portion is folded to be in close contact with the periphery of the penetration part in a state in which the close contact part has penetrated the penetration part.
Resumen de: EP4578921A1
A curable adhesive tape comprising a tapelike backing provided on at least one side with an adhesive layer which consists of a curable adhesive, wherein the backing is colored blue provides for a highly suitable application of radiation energy and corresponding heat input into the curable adhesive, which results in very good adhesive and joining properties, very high bonding strength of the curable adhesive and an optimal wetting of a substrate by the adhesive. Such a curable adhesive tape is particularly suitable for electrical insulation, especially for encasing a battery cell. Preferably the blue color fulfils the following definition: L*a*b* color space: L* = 0 to 93, a* = -33 to 24 and b* = -60 to 0.
Resumen de: KR20250103600A
본 발명은 집전체; 및 상기 집전체 상에 배치되는 음극 활물질층을 포함하고, 상기 음극 활물질층은 음극 활물질을 포함하고, 상기 음극 활물질은 천연 흑연, 상기 천연 흑연의 표면 상에 배치되는 코팅층 및 상기 코팅층의 표면 상에 균일하게 분산된 형태로 부착된 탄소계 도전성 물질을 포함하고, 1.4g/cc 내지 1.6g/cc 범위의 전극 밀도에서 하기 식 1을 만족하는 리튬 이차 전지용 음극에 관한 것이다. <식 1> 접착력(gf/mm)/전극 밀도(g/cc) ≥ 1.25 상기 식 1에서, 접착력(gf/mm)은 상기 집전체 및 상기 음극 활물질층 간 접착력을 의미한다.
Resumen de: WO2025143950A1
A separator according to the present invention not only has excellent adhesion to an electrode, but also can secure sufficient porosity, thereby exhibiting excellent resistance and ion conductivity characteristics. Additionally, the lamination process time can be shortened during the manufacture of an electrode assembly, thereby achieving high process efficiency in the manufacture of batteries. Furthermore, the energy density of lithium secondary batteries can be maximized by minimizing the height of an inorganic particle filling part.
Resumen de: KR20250103476A
본 발명은 폐이차전지로부터 유래하는 금속 혼합물로부터 망간(Mn)을 선택적으로 분리하여 회수할 수 있는 유기 인산 추출제 및 이러한 유기 인산 추출제를 사용하여 망간(Mn)을 선택적으로 분리하여 회수하는 방법에 관한 것으로, 디옥틸포스페이트(Di-octylphosphate, DOPOA) 및/또는 디데실포스페이트(Di-decylphosphate, DDPOA)의 유기 인산을 포함하는 유기 인산 추출제를 사용하여, 폐이차전지로부터 발생하는 리튬, 망간, 코발트, 니켈 등의 금속혼합물인 블랙메스(Black Mass)로부터 망간을 효과적으로 분리 회수할 수 있는 장점이 존재한다.
Resumen de: US2025219268A1
A main object of the present disclosure is to provide a method for disposing of a battery, with which the battery can be deactivated well. The present disclosure achieves the object by providing a method for disposing of a battery, the method including: a soaking step of soaking a battery including an Al terminal in a treatment liquid to decrease a voltage of the battery by causing outer short circuit through the treatment liquid, wherein the treatment liquid contains water and a supporting salt; and the Al terminal includes, on at least a part of its surface, a protective layer that prevents the Al terminal from eluting to the treatment liquid.
Resumen de: KR20250102596A
본 발명은 복수의 배터리셀이 적층된 배터리부; 및 상기 배터리부를 수용하기 위한 내부공간을 형성하는 커버부를 포함하는 배터리 모듈에 있어서, 상기 커버부는, 상기 커버부의 하부를 커버하는 하부케이스를 포함하고, 상기 배터리 모듈은, 상기 하부케이스의 하면에 체결되는 냉각블럭을 포함하며, 상기 냉각블럭은, 베이스 플레이트; 및 상기 베이스 플레이트의 일정 영역에 위치하는 유로부를 포함하고, 상기 베이스 플레이트의 상면이 상기 하부케이스의 하면에 직접 체결되는 것을 특징으로 하는 배터리 모듈에 관한 것으로, 배터리 모듈의 제조공정의 증가의 문제점 및 브레이징 설비 내로 Mg 가스 방출로 인한, 용접 품질이 저해되는 문제점을 해결할 수 있는, 냉각블럭을 포함하는 배터리모듈을 제공할 수 있다.
Resumen de: US2025219221A1
A package structure for a battery pack is provided. The package structure for the battery pack includes a tray structure and a cover body, the tray structure includes a tray body and a support portion. At least a part of the support portion protrudes from a periphery of the tray body in a planar extension direction of the tray body. The support portion cooperates with the tray body to form a groove located at the periphery of the tray body. The cover body is arranged on a first side of the tray body. A cavity is formed on a side, facing the tray body, of the cover body. The battery pack is located on the first side of the tray body and is accommodated in the cavity. At least a part of the cover body is lapped with the groove, and the tray body is accommodated in the cavity.
Resumen de: WO2025143944A1
The present invention provides a separator for an electrochemical device, comprising: a porous polymer substrate; and an inorganic coating layer for covering one surface or both surfaces of the porous polymer substrate, wherein: the inorganic coating layer includes a plurality of adhesive polymer columns having a predetermined volume; the polymer columns are made of a polymer material and have no pores; at least some parts of the polymer columns are exposed to the surface of the inorganic coating layer while other parts thereof are in contact with the surface of the porous polymer substrate; at least one polymer column is spaced a predetermined distance apart from another polymer column; the space between the polymer columns is filled with inorganic particles; and, on the basis of the top view of the separator, the area occupied by the surface area of the polymer column exposed to the surface of the inorganic coating layer is 10% to 80% with respect to 100% of the surface area of the inorganic coating layer.
Resumen de: WO2024101239A1
Disclosed is a method for producing a sulfide-based inorganic solid electrolyte material, the method comprising a step of obtaining a sulfide-based inorganic solid electrolyte material in a glass state by mechanically processing a starting material composition of the sulfide-based inorganic solid electrolyte material, the starting material composition containing lithium sulfide and a phosphorus sulfide composition, thereby vitrifying the components, while having the components chemically react with each other. With respect to this method for producing a sulfide-based inorganic solid electrolyte material, the phosphorus sulfide composition has three or more peaks within the 2θ range of 22.5° to 24.5° in the X-ray diffraction analysis spectrum as obtained by X-ray diffraction analysis.
Resumen de: KR20250102776A
본 발명은, 이차전지용치 필름이 권취되어 형성되는 파우치 롤의 적정 텐션을 확인하는 방법으로, 상기 필름의 두께, 마찰계수 및 두께 편차를 포함하는 조건을 고려하고, 상기 파우치 롤을 가압하여, 상기 조건에 의해 파우치 롤이 불량이 없을 경우 적정 텐션으로 권취되어 있음을 판정하는, 이차전지용 파우치 롤의 적정 텐션 확인 방법에 관한 것이다.
Resumen de: KR20250102203A
본 발명의 부품 통합형 배터리 모듈(1)은 센싱 플레이트(5)의 센싱 프레임(5-1)과 제1,2 센싱 커버(5-2,5-3)를 일직선으로 연결하는 플레이트 연결 커넥터(8)의 회전 동작을 통해 배터리 셀 앗세이(2,3)의 가압 전 치수 및 공차로 설정된 치수보다 크거나 동일하게 설정된 모듈 조립 전 길이(X+α)를 가압 동작을 통해 모듈 조립 길이(X)로 축소해 셀 면방향에 면압이 부여되도록 함으로써 플레이트 일체화 구조(5,6)로 부품수량을 축소하면서 고강도 강판 소재의 엔드 플레이트(6)를 얇은 두께로 하여 모듈 사이즈 축소가 이루어지고, 특히 센싱 프레임(5-1)에 조립된 버스바(20)를 FFC(23)와 연계한 센싱 구조로 와이어 연결 없는 센싱 구조 단순화와 함께 가스 배출 홀(10)에 의한 셀 화재 시 벤팅 가스 배출로 셀 스웰링에 따른 화재 대응도 가능한 특징을 갖는다.
Resumen de: KR20250102620A
본 발명은 아연-브롬 전지용 접착제 조성물에 관한 것으로, 보다 구체적으로 아연-브롬 전지용 접착제 조성물, 접착체층이 부착된 집전체 및 아연-브롬 전지가 제공된다.
Resumen de: KR20250102411A
고체 전해질 건조장치가 개시된다. 본 발명의 일 실시 예에 따른 고체 전해질 건조장치는, 고체 전해질의 원료와, 용매와, 분쇄용 볼을 혼합하고 밀링에 의해 습식으로 미분화하는 공정에서 형성된 미분화된 분말 혼합물로부터 분쇄용 볼을 필터링하는 분쇄용 볼 필터링 유닛; 및 분쇄용 볼 필터링 유닛의 하부에 결합되어 분쇄용 볼 필터링 유닛에 의해 분쇄용 볼이 제거된 후의 미분화된 분말 혼합물을 수거하고, 수거된 상태의 미분화된 분말 혼합물을 가열하여 미분화된 분말 혼합물로부터 용매를 제거하여 미분화된 고체 전해질 분말을 회수하는 고체 전해질 분말 회수 유닛을 포함한다.
Resumen de: KR20250103033A
본 발명은 적층형 금속-공기 전지셀 및 금속-공기 전지 전해질 순환 시스템에 관한 것으로, 보다 상세하게는 금속-공기전지 전해질 순환 시스템으로서, 금속-공기전지셀; 상기 금속-공기전지셀에서 생성된 생성물과 전해질이 유입되어 전해질을 분리하는 다상분리기; 및 상기 다상분리기를 통해 분리된 전해질은 상기 금속-공기전지셀로 재순환되는 것을 특징으로 하는 다상분리기를 이용한 금속-공기전지 전해질 순환 시스템에 관한 것이다.
Resumen de: KR20250102617A
본 발명의 기능성 박테리아 타입 분리막을 갖는 납 기반 에너지는 납 기반 에너지 저장 장치에 사용하기 위한 폴리에틸렌 분리막으로 적층된 박테리아 셀룰로오스가 화학적으로 변형되어 에너지 저장 장치의 성능을 향상시키는 작용기가 도입되도록 제조됨으로써 폴리에틸렌 분리막으로 적층된 화학적 변형의 기능화된 박테리아 셀룰로오스 막으로 분리막이 구성되고, 특히 기능성 박테리아 셀룰로오스 막을 분리막으로 생산하여 에너지 저장 장치로 활용할 수 있다.
Resumen de: KR20250103125A
본 발명은 배터리가 안착되는 캐리어; 상기 캐리어의 내측에 상기 캐리어로부터 이격되게 배치되는 정렬플레이트; 상기 정렬플레이트의 하부에 배치되어서 상기 정렬플레이트를 구동시키는 정렬기구를 포함하고, 상기 정렬기구는 상기 배터리가 상기 캐리어의 모서리로부터 이격된 거리가 일정하게 배치되는 정렬위치에 배치되도록 상기 배터리가 안착된 상기 정렬플레이트를 구동시키는 배터리 정렬장치에 관한 것이다.
Resumen de: KR20250102611A
본 발명은 소화캡슐을 포함하는 상변이물질부와 실리콘부를 적층함으로써 열폭주를 방지하고, 화재를 방지할 수 있는 새로운 형태의 열폭주 방지형 배터리팩 및 그의 제조 방법에 관한 것이다.
Resumen de: US2025219274A1
An electrolyte injection system of the present disclosure includes: an injector configured to inject an electrolyte into an exterior case; an extractor configured to extract a portion of the electrolyte injected into the exterior case; a measurer configured to measure a weight of the exterior case into which the electrolyte is injected; and a controller configured to control the injector and the extractor to adjust an amount of the electrolyte located inside the exterior case based on the weight of the exterior case into which the electrolyte is injected.
Resumen de: US2025219157A1
A battery cell comprising a negative electrode, a lithium-manganese rich positive electrode, and an electrolyte with a methylene methanedisulfonate additive is presented. The electrolyte with the methylene methanedisulfonate additive saturates the negative and lithium-manganese rich positive electrodes such that during cycling of the battery, a positive electrolyte interface forms on a surface of the lithium-manganese rich positive electrode. The positive electrolyte interface results in a direct current impedance of the battery cell, for a given state of charge, being less than a direct current impedance of an otherwise same battery cell without the methylene methanedisulfonate additive.
Resumen de: US2025219252A1
A polyolefin microporous membrane, a method for manufacturing the same, and a separator including the microporous membrane are provided. The polyolefin microporous membrane including 60 wt % to 80 wt % of a polypropylene having a viscosity average molecular weight of 1×106 g/mol to 3×106 g/mol and 20 wt % to 40 wt % of a polyethylene having a weight average molecular weight of 1×105 g/mol to 10×105 g/mol is provided, wherein the polyolefin microporous membrane has a puncture strength of 0.25 N/μm or more, a gas permeability of 1.0×10−5 Darcy or more, a porosity of 30% to 70%, an average pore size of 20 nm to 40 nm, a shutdown temperature of 150° C. or lower, and a meltdown temperature of 180° C. or higher.
Resumen de: KR20250102723A
본 발명의 일 측면은 블랙 매스의 침출 시스템을 제공하는 것이다. 상기 블랙 매스의 침출 시스템은, 블랙 매스를 황산에 침출시켜 제 1 침출액을 제조하는 1차 반응기; 상기 1차 반응기와 유체적으로 연결되며, 1차 반응기를 통과한 블랙 매스를 황산에 침출시켜 제 2 침출액을 제조하는 2차 반응기; 상기 2차 반응기와 유체적으로 연결되며, 상기 2차 반응기로부터 이송된 상기 제 2 침출액을 냉각하는 열 교환기; 상기 1차 반응기에 구비되어, 냉각된 상기 제 2 침출액을 상기 1차 반응기에 분사하는 노즐부; 상기 1차 반응기에 구비되어, 1차 반응기 내부의 온도를 측정하는 측정부; 및 상기 측정부에서 측정된 온도에 기초하여 상기 노즐부로 이동하는 상기 냉각된 제 2 침출액의 유량을 조절하는 제어부를 포함하고, 상기 냉각된 제 2 침출액이 상기 1차 반응기에 분사됨에 따라, 상기 1차 반응기의 온도가 감소할 수 있다.
Resumen de: WO2025143440A1
Disclosed are: a photocurable 3D printing composition, which is applied to a 3D printer to output a three-dimensional molded product; and a method for manufacturing a molded product with improved thermal stability by using same.
Resumen de: US2025206613A1
Provided are an olivine-type cathode material, a method thereof, and a lithium-ion battery. The cathode material includes a matrix and a carbon coating layer. In a Raman spectrum, the cathode material has Raman responses in wavenumber regions of 940 cm−1 to 950 cm−1, 1330 cm−1 to 1350 cm−1, and 1580 cm−1 to 1610 cm−1, corresponding to three characteristic peaks A, B, and C, respectively. The cathode material satisfies: 0.01≤an average of I(A)/I(C)≤0.3 and 0.01≤an average of I(A)/I(B)≤0.3. The cathode material according to the present disclosure has a uniform carbon coating, and thus the cathode material has a high stability, a low specific surface area, a low volume resistivity, and a high pallet density. At the same time, when the cathode material is applied in a lithium-ion battery, the lithium-ion battery has excellent electrochemical performances.
Resumen de: KR20250102855A
본 발명은 리튬 화합물과 NixCoyMnz(OH)2(x+y+z=1) 전구체를 포함하는 제1 혼합 분말을 제조하는 제1 단계; 상기 제1 혼합 분말에 보론(B), 실리콘(Si) 및 저마늄(Ge)으로 이루어지는 군으로부터 선택되는 1종 이상의 준금속 이온을 투입하고 혼합하여 제2 혼합 분말을 제조하는 제2 단계; 상기 제2 혼합 분말을 산소 분위기에서 하소 및 소결하여 1차 입자가 입자 중심으로부터 수직 방향으로 성장한, 방사형 형태의 활물질을 제조하는 제3 단계; 상기 활물질을 분쇄하여 전고체전지용 양극재를 제조하는 제4 단계;를 포함하고, 상기 제2 단계에서, 상기 제2 혼합 분말에서 상기 준금속 이온은 1~3 mol%로 혼합되고, 상기 준금속 이온에 의해 상기 1차 입자의 (003)면의 결정성장이 촉진되는 것을 특징으로 하는, 전고체전지용 양극재 제조방법을 제공한다. 상기 과제의 해결 수단에 의한 본 발명의 제조방법은, 리튬 화합물과 NCM 전구체에 준금속 이온을 첨가하여 1차 입자의 (003)면의 결정성장을 촉진하여 리튬 이온 및 전해질의 이동 경로를 제공하는 효과가 있다. 이에 따라 제조된 양극재와 이를 포함하는 전고체전지는 1차 입자가 중심으로부터 수직 방향으로 성장한, 방사형 형태를 가져 1차 입자들 사이에 리튬 이온 및 전해질의 이동 경로가 제공�
Resumen de: WO2025143509A1
The present invention relates to a surface-modified carbon nanotube having both excellent conductivity and improved dispersibility, and a dispersion and a secondary battery, which comprise same.
Resumen de: JP2024066757A
To provide an aqueous solution that can be used as a coating liquid with excellent storage stability, and a method for producing a cathode active material for a lithium secondary battery using the same.SOLUTION: An aqueous solution that contains Li, a peroxo complex of an element α, ammonium ions, and nitric acid ions. The element α is at least one element selected from the group consisting of Nb, Ti, Ta, Zr, W, Mo and V. The aqueous solution has a mass molar concentration ratio of ammonium ions to the element α (NH4+/α) of less than 4.5, and a mass molar concentration of nitric acid ions (NO3-) of less than 4.0×10-3 mol/kg.SELECTED DRAWING: None
Resumen de: KR20250102917A
본 발명은 비모델 기반 배터리 내부 단락 검출 장치 및 그 방법을 개시한다. 상기 비모델 기반 배터리 내부 단락 검출 장치는, 리튬 이온 배터리의 제1 셀의 전압과 전류를 각각 측정하고, 상기 제1 셀의 상기 전압이 서로 동일한 제1 및 제2 시점을 결정하는 전압 전류 측정부, 상기 전압, 상기 전류, 상기 제1 및 제2 시점을 통해서 상기 제1 셀의 상기 제1 시점과 상기 제2 시점 사이의 셀 에너지 변화량을 산출하는 셀 에너지 변화량 추정부, 상기 셀 에너지 변화량, 상기 전압 및 상기 전류를 통해서 상기 제1 셀의 추정 내부 단락 전류를 추정하는 내부 단락 전류 추정부, 상기 추정 내부 단락 전류에서 기준 누설 전류를 빼서 보정 내부 단락 전류를 산출하는 내부 단락 전류 보정부 및 상기 보정 내부 단락 전류를 이용하여 내부 단락 저항을 추정하는 내부 단락 저항 추정부를 포함한다.
Resumen de: KR20250102229A
양극층; 음극층; 및 상기 양극층과 음극층 사이의 고체전해질층을 포함하며, 상기 양극층이 양극집전체; 및 상기 양극집전체의 일면 또는 양면 상의 양극활물질층을 포함하며, 상기 양극활물질층이 복합양극활물질 및 무기 필러를 포함하며, 상기 복합양극활물질이 제1 양극활물질 코어(core); 제2 양극활물질 코어(core); 및 상기 제1 양극활물질 코어 및 제2 양극활물질 코어 중 하나 이상의 표면을 따라 배치되는 쉘(shell)을 포함하며, 상기 쉘이 지르코늄, 보론 또는 이들의 조합을 포함하며, 상기 무기 필러가 LiaMbOcCld (0
Resumen de: US2025219195A1
A battery pack includes a casing, a pipe assembly, and first, second and third battery modules disposed within the casing. The pipe assembly includes an input pipe, an output pipe set, a communication pipe set, and first, second, and third pipe sets. The first pipe set is disposed at a first side portion of the casing to be coupled to the input pipe and coupled to the first battery modules. The second and third pipe sets are disposed at a second side portion of the casing to be coupled to the second and third battery modules, respectively. The output pipe set is coupled to the second battery module and the third battery module. The communication pipe set is disposed at a back portion of the casing, coupled to the first battery module, and coupled in parallel to the second battery module and the third battery module.
Resumen de: US2025214859A1
A solid electrolyte precursor, a solid electrolyte, and a method of preparing the solid electrolyte. The solid electrolyte precursor includes a compound represented by Formula 1 and has an amorphous phase and the amorphous phase is contained in an amount of at least 50 volume percent based on the total volume of the solid electrolyte precursor. When the solid electrolyte precursor is analyzed by X-ray diffraction using Cu Kα radiation at a diffraction angle of 10° 2θ to 90° 2θ, a proportion of an area Pb of peaks having a full width at half maximum of 0.01° to 0.5° to a total area Pa of all peaks is 10% or less:(LixAa)(LayB′b)(ZrzC′c)O12+δ.
Resumen de: EP4579792A1
A lithium metal anode protective film includes lithium nitride (Li<sub>3</sub>N) nanoparticles, lithium-magnesium (Li-Mg) alloy nanoparticles, or a combination thereof.The lithium metal anode protective film may induce uniform electrodeposition behavior and distribution of lithium ions, thereby effectively suppressing growth of lithium dendrites during battery a battery charging/discharging process.
Resumen de: US2025219065A1
A main object of the present disclosure is to provide an electrode active material of which volume change due to charge and discharge is small. The present disclosure achieves the object by providing an electrode active material including a silicon clathrate II type crystal phase, wherein a void is included inside a primary particle; and a void amount P1 of a void with a pore diameter of 5 nm or less is 0.015 cc/g or more and 0.05 cc/g or less.
Resumen de: US2025219075A1
The present disclosure has an object to provide a method for manufacturing a positive electrode active material in which performance degradations of a capacity characteristic and an output characteristic are suppressed. The herein disclosed method for manufacturing the positive electrode active material includes a preparation step for preparing an end material of a positive electrode plate containing a positive electrode active material that has never been performing intercalation and deintercalation of a charge carrier, an alkaline liquid immersing step for immersing the end material into an alkaline liquid, a solid-liquid separation step for performing a solid-liquid separation on the alkaline liquid after the alkaline liquid immersing step so as to collect the solid substance, a classifying step for classifying the collected solid substance into a fine particle fraction and a coarse particle fraction, and a baking step for baking the coarse particle fraction.
Resumen de: KR20250103599A
본 발명은 집전체; 및 상기 집전체 상에 배치되는 음극 활물질층을 포함하고, 상기 음극 활물질층은 음극 활물질을 포함하고, 상기 음극 활물질은 천연 흑연, 상기 천연 흑연의 표면 상에 배치되는 코팅층 및 상기 코팅층의 표면 상에 균일하게 분산된 형태로 부착된 탄소계 도전성 물질을 포함하고, 상기 탄소계 도전성 물질은, 흑연화되지 않은 물질이고, 상기 천연 흑연의 구형화도는 0.90 이상인 리튬 이차 전지용 음극에 관한 것이다.
Resumen de: WO2025143425A1
The present invention relates to an all-solid-state battery comprising: an electrode comprising a current collector layer and an active material layer; a solid electrolyte layer; a first conductive layer between the current collector layer and the active material layer; and a second conductive layer between the active material layer and the solid electrolyte layer. An all-solid-state battery according to one embodiment includes both the first conductive layer and the second conductive layer, and thus ion and electron transfer efficiency is enhanced and an increase in resistance following a battery cycle is mitigated.
Resumen de: WO2025143943A1
A separator according to the present invention has excellent adhesion to an electrode and can secure sufficient porosity, thereby exhibiting excellent resistance and ion conductivity characteristics. In addition, the separator is in close contact with the electrode without a gap at the interface between the electrode and the separator, thereby ensuring excellent long-term life characteristics of a battery. In addition, the lamination process time can be shortened during the manufacture of an electrode assembly, thereby achieving high process efficiency in the manufacture of a battery.
Resumen de: KR20250103516A
본 명세서는 전극 활물질, 도전재, 바인더, 슬러리 형성용 용매 및 난연 소재를 포함하고, 난연 소재는 카보네이트계 용매에 대해 20℃ 10mg/cc 미만의 용해도를 갖고 특정 종류의 화합물을 포함하는 것인 전극 슬러리, 이를 포함하는 전극, 리튬 이차 전지 및 전지 팩에 관한 것이다. 상기 실시상태에 따른 전극은 열 폭주를 방지하면서 전지 특성을 보장할 수 있다.
Resumen de: WO2025143988A1
A negative electrode for a lithium secondary battery, according to embodiments of the present disclosure, comprises: a negative electrode current collector; a first negative electrode active material layer formed on at least one surface of the negative electrode current collector; and a second negative electrode active material layer which is formed on the first negative electrode active material layer and includes artificial graphite, wherein the first Raman peak area ratio of the first negative electrode active material layer is 1 to 2 and the second Raman peak area ratio of the second negative electrode active material layer is 0.2 to 0.5.
Resumen de: US2025007028A1
A battery pack including a housing, a battery assembly, and a first cover. The housing includes an opening and a first surface opposite the opening. The battery assembly is accommodated in the housing. The first cover is coupled to the housing and covers the opening. The first side of the battery assembly is coupled to a first side of the first cover. A second side of the battery assembly is spaced apart from the first surface of the housing.
Resumen de: KR20250102616A
본 발명의 납 기반 에너지 저장장치를 위한 분리막은 폴리올레핀층과 흡수 특성의 흡수층을 포함하는 제조방법으로 제조되며, 상기 폴리올레핀층은 침수식 납축전지용 폴리올레핀 분리막을 기반으로 하며, 상기 폴리올레핀 분리막은 초고분자량 폴리에틸렌(UHMWPE), 침전 실리카, 프로세스 오일 및 산화방지제, 탄소 블랙 및 조합 중 어느 하나로 선택된 소량 성분으로 이루어짐으로써 분리막과 배터리의 성능을 향상시키고, 특히 와이킹 층에 의해 전해질 이온이 보관되어 산 분리와 폴리올레핀 층 표면에 립을 처리할 필요가 없어져 분리막 제조의 비용과 복잡성이 감소됨으로써 침수형 납축성 배터리 및 밀폐형 납축전지에 사용가능하다.
Resumen de: WO2025143979A1
A negative electrode for a lithium secondary battery according to an embodiment of the present disclosure comprises: a negative electrode current collector; and a negative electrode mixture layer on at least one surface of the negative electrode current collector, the negative electrode mixture layer containing a carbon-based active material, a silicon-based active material, a first binder, and a second binder, wherein each of the first binder and the second binder is a copolymer containing an acrylic acid-derived structural unit represented by chemical formula 1, the content ratio of the acrylic acid-derived structural unit in the first binder is 0 mol% (excusive) to 50 mol% (inclusive) and the content ratio of the acrylic acid-derived structural unit in the second binder is 60 mol% (inclusive) to 100 mol% (exclusive). Chemical formula 1
Resumen de: KR20250103155A
본 발명은 전기영동을 이용한 바인더 프리 전극 제조방법, 및 이에 의해 제조되는 전극 및 리튬 이차 전지에 관한 것으로, a) 도전재를 산 처리하여 표면에 작용기가 도입된 도전재를 제조하는, 도전재 전처리 단계; b) 에칭된 알루미늄 집전체를 알칼리 처리하여 내부 기공구조가 노출된 알루미늄 집전체를 제조하는, 집전체 전처리 단계; c) 상기 a) 단계에서 제조된 도전재와 전극 활물질을 극성유기용매에 첨가 및 분산시켜 현탁액을 제조하는, 현탁액 제조단계; 및 d) 상기 c)단계에서 제조된 현탁액에 전극으로서 상기 b) 단계에서 제조된 알루미늄 집전체와 상대 전극을 담지한 후, 전압을 인가하여 상기 알루미늄 집전체에 도전재와 전극 활물질을 코팅하여 전극을 제조하는, 집전체 코팅단계;를 포함하는 바인더 프리 전극 제조방법, 및 이에 의해 제조되는 전극 및 리튬 이차 전지에 관한 것이다.
Resumen de: KR20250102828A
충전단계에서 음극전극에 금속이 전착되는 배터리에서, 전착되는 금속 덴드라이트에 의한 양극전극과 음극전극 사이의 전기적인 단락을 방지하여 배터리의 안전성을 향상시키고 배터리의 용량활용률을 증가시켜 고용량을 구현하고 또한 비반응성 금속 생성을 방지하여 배터리의 수명을 증가시키며 전착되는 금속에 의한 전극의 공극막힘에 의해 배터리 성능이 저하되는 것을 방지할 수 있다.
Resumen de: KR20250102803A
본 발명은 용매에 리튬 금속과 황 분말을 투입 및 반응시켜 리튬폴리설파이드를 포함하는 용액을 제조하는 제1 단계; 상기 용액에 황화합물과 할로겐화리튬(LiX, X=Cl, Br, 또는 I)을 첨가 및 교반하여 Li7-yPS6-yXy (1.0≤y≤1.9, X는 Cl, Br, 또는 I)를 포함하는 고체전해질 용액을 제조하는 제2 단계; 상기 고체전해질 용액의 용매를 제거하고, 건조시켜 황화물계 고체전해질 전구체를 제조하는 제3 단계; 및 상기 전구체를 열처리하여 아지로다이트 구조의 황화물계 고체전해질을 제조하는 제4 단계;를 포함하되, 상기 용매는, 밀도 범함수 이론(Density Functional Theory, DFT)를 이용하여 계산된 리튬폴리설파이드를 형성할 수 있는 에너지(formation energy)가 최대 -61.80 kJ/mol으로, 상기 리튬 금속과 상기 황 분말로부터 상기 리튬폴리설파이드를 생성하는 반응을 촉진하고, 미반응 리튬설파이드 불순물의 생성을 감소시키는 것을 특징으로 하는, 아지로다이트 구조의 황화물계 고체전해질 제조방법에 관한 것이다. 본 발명의 제조방법은, 리튬설파이드(Li2S)를 사용하지 않고, 리튬금속과 황을 이용하여 액상 공정으로 고체전해질 결정을 성장시키며, 이 때 용매를 특정하여 고체전해질을 제조함에 따라 미반응 리튬설파이드 불순물의 생성을 감소시키고 �
Resumen de: US2025216191A1
An apparatus and method for measuring an electrode plate thickness, which can measure a thickness of an active-material-coating layer formed on an electrode plate before drying the electrode plate. The apparatus for measuring an electrode plate thickness includes a sensor module configured to detect a thickness of an electrode plate upstream of a drying furnace, and a processor connected to the sensor module, and configured to detect the thickness of the electrode plate in a width direction through the sensor module, calculate an active-material-coating thickness based on the thickness of the electrode plate, and compensate the active-material-coating thickness based on a measurement error due to thermal deformation of the sensor module.
Resumen de: WO2025136036A1
The present invention relates to a pouch exterior material, and to a pouch exterior material and a secondary battery comprising same, a polymer material, pushed out from a sealed portion at a tab portion, being uniformly formed even at an unsealed portion, thereby preventing a reduction in the thickness of a sealant layer when the pouch exterior material and a lead tab film are sealed, and thus insulation defects are prevented and long-term reliability such as that of chemical resistance can be improved.
Resumen de: KR20250102756A
본 발명은 초고파 통신을 이용한 배터리 관리 시스템에 관한 것으로서, 더 상세하게는 배터리 관리 시스템 구축시 초고주파 통신을 이용함으로써 하네스 배제할 수 있어 설계 및 시스템 구축이 용이하고, 개별 배터리 셀의 이상을 감지할 수 있는 초고주파 통신을 이용한 배터리 관리 시스템에 관한 것이다. 본 발명에 따른 초고주파 통신을 이용한 배터리 관리 시스템은 나란하게 배치되는 복수의 배터리 셀 및 상기 배터리 셀의 상태를 확인하고 관리하는 배터리 관리 모듈을 포함하는 초고주파 통신 처리 유닛을 이용한 배터리 관리 시스템에 있어서, 상기 복수의 배터리 셀 각각은, 유전체 기판과, 상기 유전체 기판 상에 배치되는 적어도 하나의 초고주파 통신 처리 유닛, 및 상기 초고주파 통신 처리 유닛과 전기적으로 연결되되 상기 유전체 기판의 가장자리 영역에 배치되며 상기 유전체 기판의 측면 방향으로 전자기파 신호를 송수신할 수 있도록 마련되는 안테나를 포함한다.
Resumen de: KR20250102587A
본 발명은 상부평판; 상기 상부평판의 하면에 부착되되, 유로부를 포함하는 냉각블럭; 및 상기 상부평판의 상부에 배치되는 도장층을 포함하고, 상기 도장층은 에폭시 계열 성분을 포함하는 냉각부재에 관한 것으로, 상기 냉각부재와 상기 배터리모듈 간의 절연특성을 확보함과 동시에, 상기 냉각부재의 냉각특성을 확보할 수 있다.
Resumen de: KR20250103486A
본 발명은 이차전지용 전극 커팅장치에 관한 것이다.
Resumen de: US2025219163A1
The present disclosure relates to an electrode for a secondary battery and a secondary battery comprising the same. The present disclosure is to provide an electrode which may prevent a short between electrodes in a secondary battery and to improve safety of a battery by preventing a short between an anode and a cathode.
Resumen de: WO2025137961A1
The present invention relates to the technical field of the preparation of lithium-ion positive electrode materials, and discloses a lithium iron phosphate positive electrode material and a preparation method therefor, and a lithium-ion battery. According to an XRD test, the lithium iron phosphate positive electrode material has characteristic diffraction peaks at 2θA1 of 29.4-29.6°, 2θA2 of 29.8-30° and 2θA3 of 43.8-43.9°. The lithium iron phosphate positive electrode material has specific characteristic diffraction peaks according to an XRD test, and therefore the lithium iron phosphate positive electrode material has a high compaction density, thereby significantly improving the capacity and electrochemical properties such as the cycle performance of a lithium-ion battery assembled from the lithium iron phosphate positive electrode material.
Resumen de: US2025219130A1
Disclosed are an all-solid-state battery including a reference electrode and a control method thereof. The all-solid-state battery includes the reference electrode located between an upper stack including one or more unit cells and a lower stack including one or more unit cells to determine potentials of electrodes in the all-solid-state battery so as to control driving of the all-solid-state battery.
Resumen de: KR20250102679A
본 발명은 리튬 이차전지용 양극 활물질, 이를 포함하는 리튱 이차전지용 양극 및 리튬 이차전지에 관한 것으로, 보다 상세하게는 하기 화학식 1로 표시되는 리튬 이차전지용 양극 활물질로서, 상기 양극 활물질의 입자강도는 120MPa 이상이고, 210~212℃에서 측정된 시차주사열량계(differential scanning calorimetry, DSC)에 의한 발열피크가 20 내지 30mWmg-1인, 리튬 이차전지용 양극 활물질, 이를 포함하는 리튱 이차전지용 양극 및 리튬 이차전지에 관한 것이다. 화학식 1 LiNixCoyMn1-x-yTiwO2 (여기서, 0.90≤x, 0.01≤y≤0.10, 0.01≤z≤0.10, 0.01≤w≤0.03)
Resumen de: US2024380033A1
A cylindrical secondary battery includes an electrode assembly including a first uncoated region having a first polarity and a second uncoated region having a second polarity, a battery can accommodating the electrode assembly, the battery can electrically connected to the second uncoated region, the battery can having different thicknesses, the battery can having a penetrating terminal electrically connected to the first uncoated region through a surface of the battery can, and a cap plate configured to close the open portion of the battery can.
Resumen de: US2025219103A1
According to an embodiment, an electrode for a secondary battery is provided, the electrode for a secondary battery including: an electrode current collector, and an electrode mixture layer and an insulating layer on at least one surface of the electrode current collector, wherein the insulating layer includes a copolymer, and the copolymer includes a repeating unit having an imide group and a rubber-based repeating unit.According to an embodiment of the present disclosure, it is possible to prevent ignition from occurring in the lithium secondary battery to improve safety.
Resumen de: KR20250103010A
개시된 본 발명의 폐 막전극접합체에 함유된 백금의 회수 방법은, 폐 막전극접합체를 투입하는 원료투입단계, 원료투입단계에서 투입된 폐 막전극접합체의 탄소 지지층을 오존으로 이용하여 CO2로 산화시키는 단계 및 산화단계 후 잔여물을 왕수에 침지하는 단계를 포함한다. 이로써, 오존 산화를 통해 탄소 지지체가 CO2로 산화후 기화되어 제거됨에 따라 폐기물 발생이 적고 왕수와 백금의 접촉을 향상시켜 순도가 높은 백금을 우수한 수율로 회수하는 탁월한 효과를 나타낸다.
Resumen de: WO2025143361A1
The present disclosure relates to an activation apparatus, and the technical problem to be solved is to provide a secondary battery which has a stable structure and/or film and of which lifespan characteristics is improved by applying an activation process. To this end, the present disclosure provides an activation apparatus comprising: a chamber in which a secondary battery is accommodated; and an activation unit which charges the secondary battery accommodated in the chamber to a first potential or discharges the secondary battery.
Resumen de: US2025219209A1
A cylindrical secondary battery including an electrode assembly, a can accommodating the electrode assembly, a cap assembly electrically coupled to the electrode assembly and coupled to one side of the can to close an inlet of the can, and including a cap-up exposed to the outside, and a gasket between the cap assembly and the can. The cap-up may include a terminal part with a circular shape, a base part spaced apart from the terminal part and surrounding an outer side of the terminal part, and bridge parts configured to connect the terminal part to the base part and spaced apart from each other with a connection hole therebetween. A width of a part of each of the bridge parts connected to the terminal part may be less than a width of a part of each of the bridge parts connected to the base part.
Resumen de: US2025219083A1
An anode for a lithium secondary battery according to embodiments of the present disclosure includes an anode current collector, a first anode active material layer formed on at least one surface of the anode current collector and including first pores, a second anode active material layer formed on the first anode active material layer and including artificial graphite and second pores, wherein a difference between the first pore aspect ratio and the second pore aspect ratio is 0.5 to 3.0.
Resumen de: KR20250102564A
반도체 형태의 누출감지 구조체를 포함하는 배터리 전해질 누출감지 센서와, 이를 이용한 배터리 누출감지 시스템을 제공한다. 본 발명의 누출감지 센서 및 누출감지 시스템은 센서에 Si계열 웨이퍼 기판 상에 형성되는, 하나 이상의 베이스물질 증착체를 포함하고, 상기 하나 이상의 베이스물질 증착체 상에는, 1종 이상의 감응물질이 증착되어 기 설정된 1종 이상의 목표 감지 물질을 효과적으로 감지할 수 있다.
Resumen de: KR20250102257A
본 발명의 예시적인 실시예들에 따른 섬유강화 복합재가 적용된 전기자동차용 배터리 팩은 메인 프레임, 상기 메인 프레임 상의 하부에 결합되어 배터리 모듈이 안착되는 하부 케이스, 상기 메인 프레임 및 상기 하부 케이스를 커버하는 케이스 커버, 및 상기 배터리 모듈로부터 발생하는 열을 방출하고 냉각시키기 위한 냉각 모듈을 포함할 수 있다. 상기 하부 케이스는 섬유강화 복합재로 이루어질 수 있고, 상기 메인 프레임은 금속 재질로 이루어질 수 있으며, 상기 냉각 모듈은 상기 하부 케이스 및 상기 케이스 커버에 각각 형성되어, 상기 배터리 모듈의 상부와 하부 각각에 대하여 열의 방출과 냉각을 수행시키도록 구비될 수 있다.
Nº publicación: KR20250103202A 07/07/2025
Solicitante:
삼성에스디아이주식회사
Resumen de: WO2025143374A1
The disclosed electrolyte injection apparatus comprises: a carrier configured such that a plurality of battery containers are aligned and installed therein; a vacuum chamber in which the carrier is accommodated so as to be able to move therein; and injection nozzles which pass through the upper surface of the vacuum chamber and are fixed, and which are configured to discharge an electrolyte so as to supply same to the battery containers.
BOPI
Sede Electrónica
