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VORRICHTUNG ZUR HERSTELLUNG EINER ELEKTRODE FÜR EINE BATTERIEZELLE

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.

Verfahren zum Heizen einer Komponente eines Elektrofahrzeugs mittels eines indirekten Wärmetransportmittelkreis(lauf)systems, Pumpen-Ventil-Verteil(er)einheit, Wärmetransportmittelkreis(lauf)system, Elektrofahrzeug, Computerprogramm und Computerprogrammprodukt

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.

OBERTRÄGER-ENTWURF FÜR EINE ZYLINDRISCHE BATTERIEZELLENANORDNUNG

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.

SYSTEME UND VERFAHREN ZUR PRÜFUNG UND ÜBERWACHUNG DER ELEKTROLYTQUALITÄT

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.

Kühlsystem für ein Fahrzeug, Elektrofahrzeug und Verfahren zum Kühlen von Komponenten eines Elektrofahrzeugs

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.

ELEKTROLYTZUSAMMENSETZUNG FÜR BATTERIEN

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.

ELEKTRODEN-AKTIVMATERIAL, ELEKTRODE UND BATTERIE

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.

Akkupack mit zwei Gehäuseteilen

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.

Elektrodenwickel und Energiespeicher umfassend den Elektrodenwickel

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.

Verfahren zum Direktrecycling von Elektrodenmaterialien aus Schrotten der Herstellung von Lithium-lonen-Batterien

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.

IONOGEL-ELEKTROLYTE FÜR LITHIUM-IONEN ZYKLISIERENDE BATTERIEN UND BATTERIEN, DIE DIESE ELEKTROLYTE UMFASSEN

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.

Batteriezellelektrodenherstellverfahren, Batteriezellelektrode und Batteriezelle mit Batteriezellelektrode

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

BATTERIE

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.

Verfahren zur Bestimmung einer Schwellung einer Batteriezelle

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.

PORÖSE 3D-SILIZIUM-ANODENELEKTRODE FÜR SCHNELL LADENDE LITHIUM-IONEN-BATTERIEZELLEN

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.

Verfahren zur Fertigung eines Lithium-Ionen-Akkumulators und Lithium-Ionen-Akkumulator

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.

BATTERIEMODUL MIT KÜHLMITTELFLUSSKONTROLLE

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.

Energiespeichereinrichtung für ein Kraftfahrzeug und Kraftfahrzeug, umfassend eine elektrische Maschine und eine mit der elektrischen Maschine verbundene Energiespeichereinrichtung

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.

Batteriezellengehäuse zur Bildung einer Batteriezelle für eine Energiespeichereinrichtung eines Kraftfahrzeugs, Batteriezelle für eine Energiespeichereinrichtung eines Kraftfahrzeugs, Energiespeichereinrichtung für ein Kraftfahrzeug und Kraftfahrzeug

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.

Sealing Tool Cleaning Device and Sealing Tool Cleaning Method Using the Same

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.

3D POROUS SILICON ANODE ELECTRODE FOR FAST-CHARGING LITHIUM-ION BATTERY CELLS

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.

COMPOSITE POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRICAL DEVICE

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.

ANODE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

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.

SOLID-STATE BATTERY AND PRODUCTION METHOD FOR SOLID-STATE BATTERY

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.

LITHIUM-ION BATTERY AND ELECTRICAL DEVICE

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.

COATING DEVICE FOR COATING ELECTRODE PLATES AND BATTERY PRODUCTION SYSTEM

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.

DRUG INFUSION DEVICE WITH INTEGRATED POWER SUPPLY AND ARTIFICIAL PANCREAS

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.

METHOD AND APPARATUS FOR DIAGNOSING ABNORMAL CELL VOLTAGE OF ECO-FRIENDLY VEHICLE BATTERY

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.

BATTERY MANAGING APPARATUS AND METHOD THEREOF

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.

SYSTEMS AND METHODS FOR DETECTING ABNORMALITIES IN ELECTRICAL AND ELECTROCHEMICAL ENERGY UNITS

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.

Lithium Secondary Battery

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.

METHODS FOR ADDING CATHODE ELECTROLYTE INTERFACE-ENHANCING ADDITIVES TO IMPROVE CYCLING STABILITY OF CATHODE ELECTRODES

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.

SILICON-CARBON COMPOSITE, PREPARATION METHOD THEREFOR, AND ANODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

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.

MANGANESE-BASED SOLID SOLUTION POSITIVE-ELECTRODE MATERIAL, METHOD OF PREPARING THE SAME AND APPLICATION THEREOF

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

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF FABRICATING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

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.

END COVER ASSEMBLY, BATTERY CELL, BATTERY PACK AND DEVICE

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.

Battery Module And Battery Pack Including The Same

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.

CHARGE/DISCHARGE TEST SYSTEM

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.

METHOD FOR ESTIMATING BATTERY CAPACITY AND METHOD FOR ESTIMATING BATTERY SOC

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.

WIRELESS ACQUISITION DEVICE AND METHOD FOR BATTERY SAFETY MONITORING OF BATTERY CLUSTER

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.

METHOD FOR CALCULATING BATTERY CAPACITY CHARACTERISTICS

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.

NEGATIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY AND ALL-SOLID-STATE BATTERY

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.

A DOPED TITANIUM NIOBIUM-OXIDE LITHIUM-ION BATTERY ANODE WITH IMPROVED RATE CAPABILITY

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).

All-Solid-State Lithium-Ion Secondary Battery

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.

LITHIUM IRON PHOSPHATE BATTERY AND HYBRID VEHICLE

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.

Electrode and Electrochemical Device Comprising the Same

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.

METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY

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.

Battery Pack

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.

METHOD OF MANUFACTURING COMPOSITE METAL FOIL

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.

METHOD FOR PRODUCING ALKALI SULFONYL IMIDE SALTS

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.

CHARGING DEVICE AND INFORMATION PROCESSING SYSTEM

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.

Drying Device and Drying Method for Electrode Sheet

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.

FUZZY-LOGIC-BASED APPARATUS, SYSTEM, AND METHOD FOR CALCULATING STATE SAFETY OF ENERGY STORAGE SYSTEM

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.

Battery Device, Battery Management System, and Diagnosis Method

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.

BATTERY MANAGING APPARATUS AND METHOD THEREOF

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.

LIQUEFIED GAS SOLUTION CONTAINER APPARATUS AND METHOD FOR DISPENSING

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.

NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME

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.

Guide Roll and Electrode Coating Device Comprising the Same

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.

POSITIVE ELECTRODE ACTIVE MATERIALS, PREPARATION METHODS THEREOF, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES

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.

HYDROGEL COMPOSITION, HYDROGEL-REINFORCED CELLULOSE PAPER BATTERY SEPARATOR AND A PAPER BATTERY COMPRISING THE SAME

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

ELECTRONIC CIGARETTE CAN BE QUICKLY DISASSEMBLED AND ASSEMBLED

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.

CHEMICALLY END-CAPPED POLYPIPERAZINE PYROPHOSPHATE-MODIFIED AMMONIUM POLYPHOSPHATE WITH HIGH TEMPERATURE RESISTANCE AND PRECIPITATION RESISTANCE, PREPARATION METHOD THEREFOR, AND APPARATUS AND APPLICATION THEREOF

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.

LITHIUM IRON PHOSPHATE AND PREPARATION METHOD AND APPLICATION THEREOF, AND AMMONIUM SALT COMPOUND AND APPLICATION THEREOF

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.

BATTERY PACK INTERFACE

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.

Portable Power Case

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.

POWER TOOL AND METHOD FOR WIRELESS COMMUNICATION

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.

BATTERY PACK

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.

SOLID-STATE SECONDARY BATTERY

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%.

BATTERY PACK

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.

BATTERY PACK, POWER TOOL, AND CONNECTING DEVICE

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.

Systems, methods, and apparatus for detecting the end of life of a battery

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

HIGH VOLTAGE BOX

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

ANODE PARTICLES INCLUDING DISCARDED GRAPHITE PARTICLES, AND METHODS OF PRODUCING THE SAME

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.

Method For Preparing Nickel-Rich Hydroxide Precursor Material And Method For Preparing Nickel-Rich Oxide Cathode Material

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

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR FLUORIDE-ION BATTERY AND METHOD FOR MANUFACTURING THEREOF, NEGATIVE ELECTRODE MIXTURE, AND FLUORIDE-ION BATTERY

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.

BATTERY PACK INTERFACE

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.

Verfahren zur Simulierung eines Verhaltens eines Gehäuses einer Energiespeichereinrichtung beim Auftreten einer mechanischen Belastung und Prüfeinrichtung

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

Modulares Batteriesystem

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.

FAHRZEUG

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.

SYSTEM UND VERFAHREN ZUM BEWERTEN EINER BATTERIEANORDNUNG

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.

Verfahren zur Fertigung eines Lithium-Ionen-Akkumulators und Lithium-Ionen-Akkumulator

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.

AKKUMULATORANORDNUNG UND VERFAHREN ZUR HERSTELLUNG EINER AKKUMULATORANORDNUNG

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.

Modulares Batteriesystem

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.

IONOGEL ELECTROLYTES FOR BATTERIES THAT CYCLE LITHIUM IONS AND BATTERIES INCLUDING THE SAME

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).

GRAPHITE PARTICLES

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.

SOLID ELECTROLYTE FOR LITHIUM SECONDARY BATTERY INCLUDING SUBSTITUTION ELEMENT AND METHOD OF MANUFACTURING SAME

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.

ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY INCLUDING THE SAME

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.

ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY INCLUDING THE SAME

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.

BOX BODY, BATTERY AND VEHICLE

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.

Battery Box Assembly, Cell, and Battery Pack

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.

PROCESS FOR THE DIRECT RECYCLING OF ELECTRODE MATERIALS FROM SCRAP RESULTING FROM THE PRODUCTION OF LITHIUM-ION BATTERIES

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.

CHARGING DEVICE WITH SMART IOT CONNECTED FEATURES

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.

POWER STORAGE DEVICE

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.

CONNECTABLE POWER STATIONS

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.

HIGH LOADING ELECTRODES HAVING HIGH AREAL CAPACITY AND ENERGY STORAGE DEVICES INCLUDING THE SAME

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.

LITHIUM SECONDARY BATTERY

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.

ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

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.

ANODE MATERIAL AND BATTERY

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.

DEVICE FOR MANUFACTURING POWER STORAGE MODULE AND METHOD FOR MANUFACTURING POWER STORAGE MODULE

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.

WATER AND ACID ADSORBING BATTERY SEPARATOR AND PREPARATION METHOD THEREFOR, WATER AND ACID ADSORBING ELECTRODE PLATE, AND BATTERY

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.

SAFE BATTERY ENERGY MANAGEMENT SYSTEMS, BATTERY MANAGEMENT SYSTEM NODES, AND METHODS

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.

BATTERY SYSTEM

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.

BATTERY MODULE AND BATTERY PACK

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.

APPARATUS FOR SUPPLYING EMERGENCY POWER

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.

COMPOSITE MATERIALS FORMING SOLID INTERPHASE LAYERS, BATTERIES CONTAINING THE SAME, AND METHODS OF MAKING THE SAME

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.

RECHARGEABLE BATTERY WITH IMPROVED COOLING PERFORMANCE, RECHARGEABLE BATTERY PACK, AND MACHINE TOOL

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.

ENCASING DEVICE

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.

ALL-SOLID-STATE BATTERY

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.

SOLID LITHIUM-ION BATTERY AND METHOD FOR MANUFACTURING A CATHODE THEREOF

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.

SECONDARY BATTERY

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.

IN-VEHICLE POWER SUPPLY DEVICE

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.

LATERAL CONSTRAINT OF BATTERY COMPONENTS UNDER FORCE

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.

BATTERY AND ELECTRIC DEVICE

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.

One-Piece Battery Carrier and Method for Die Casting a One-Piece Battery Carrier

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.

BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

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.

PRESSURIZING AND SEALING DEVICE FOR ALL-SOLID-STATE SECONDARY BATERRY

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.

CURRENT COLLECTOR, SECONDARY BATTERY, ELECTRICAL DEVICE, AND METHOD FOR PREPARING CURRENT COLLECTOR

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.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

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.

ALL-SOLID-STATE BATTERY

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.

NEGATIVE ELECTRODE PLATE, ELECTRODE ASSEMBLY, BATTERY, AND ELECTRIC APPARATUS

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.

Battery System and Battery Balancing Method Thereof

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.

BATTERY AND ELECTRICAL DEVICE

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.

SUPERBEAM DESIGN FOR CYLINDRICAL BATTERY CELL ASSEMBLY

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.

BATTERY AND ELECTRIC APPARATUS

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.

SECONDARY BATTERY AND BATTERY PACK

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

ELECTROLYTE COMPOSITION FOR BATTERIES

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.

BATTERY

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.

Electrode Assembly, and Secondary Battery, Battery Pack, and Transportation Means Comprising Electrode Assembly

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.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

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.

SOLID ELECTROLYTE AND ALL-SOLID-STATE BATTERY COMPRISING THE SAME

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.

NON-AQUEOUS ELECTROLYTE SOLUTION AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY EMPLOYING THE SAME

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.

BOX ASSEMBLY, BATTERY, AND ELECTRIC APPARATUS

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.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

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.

SUPPORT MEMBER FOR BATTERY PACK TOP HOUSING

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).

ALL-SOLID-STATE BATTERY

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.

FLEXIBLE BATTERY

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.

PRE-LITHIATED SILICON-CARBON COMPOSITE MATERIAL, AN ANODE COMPRISING THE SAME AND A METHOD TO MANUFACTURE OF A COMPOSITE MATERIAL

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.

Negative Electrode, Lithium-Ion Secondary Battery, and Method of Producing Negative Electrode

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.

NEGATIVE ELECTRODE AND ELECTROCHEMICAL APPARATUS CONTAINING SAME, AND ELECTRONIC APPARATUS

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.

SECONDARY BATTERY, ELECTRONIC DEVICE, AND METHOD FOR PREPARING SECONDARY BATTERY

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.

ELECTRODES, ELECTRODE MATERIALS, AND MANUFACTURING THEREOF

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.

NON-AQUEOUS ELECTROLYTES FOR ELECTROCHEMICAL CELLS

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.

POWER STORAGE DEVICE

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.

BATTERY PACK INTERFACE

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.

POWER STORAGE DEVICE

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.

DRIVING CONTROL APPARATUS FOR FLUID HEATER AND CONTROL METHOD THEREFOR

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.

Thermal Management System, Control Method, and Vehicle

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.

METHOD FOR TREATING MANGANESE-COPPER MIXED SOLUTION

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.

SILICON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL, SECONDARY BATTERY, AND ELECTRIC APPARATUS

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.

CONTROL METHOD FOR BATTERY HEATING SYSTEM, AND BATTERY HEATING SYSTEM AND ELECTRIC VEHICLE

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.

Electrically Operated Vehicle

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.

METHOD AND APPARATUS FOR DIAGNOSING BATTERY ABNORMALITY OF ECOFRIENDLY VEHICLE

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.

BATTERY CELL HOUSING FOR FORMING A BATTERY CELL FOR AN ENERGY STORAGE DEVICE OF A MOTOR VEHICLE, BATTERY CELL FOR AN ENERGY STORAGE DEVICE OF A MOTOR VEHICLE, ENERGY STORAGE DEVICE FOR A MOTOR VEHICLE AND MOTOR VEHICLE

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.

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

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.

BATTERY TOWER DESIGN FOR HEAVY-DUTY ELECTRIC POWERTRAINS

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.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

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.

SOLID-STATE BATTERY, AND PRODUCTION METHOD FOR SOLID-STATE BATTERY

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.

Battery pack and vehicle

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

OLIVINE CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

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.)

BATTERY SYSTEM CONTROL APPARATUS AND OPERATING METHOD THEREOF

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.

ELECTRICAL CONNECTION ASSEMBLY, BATTERY ASSEMBLY AND VEHICLE

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.

BATTERY MODULE AND BATTERY PACK

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.

Battery with plastic housing and manufacturing process

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.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

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.

Device and Method for Detecting a Defect in a Battery Arrangement for a Vehicle

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.

BATTERY MANAGEMENT DEVICE AND BATTERY PACK INCLUDING THE SAME

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.

CONDUCTIVE MODULE

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.

BATTERY CELL, FEED-THROUGH ASSEMBLY AND ELECTRONIC DEVICE

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.

BATTERY PACK COLD PLATE

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.

ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY WITH THE SAME

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.

RIGID PRINTED CIRCUIT BOARD BUS BAR CARRIER AND CELL INTERCONNECT

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.

COMMUNICATION CONNECTOR, AND ENERGY STORAGE BATTERY SYSTEM AND TERMINAL RESISTOR MATCHING METHOD THEREFOR

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.

RECYCLING OF BATTERIES WITH A VACUUM CRUSHING-VAPORIZATION-COLLECTION SYSTEM

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.

Method and apparatus for correcting capacity of battery module, and computer device

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

HOUSING ASSEMBLY FOR BATTERY CELL, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

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.

BATTERY CELL, BATTERY AND ELECTRIC APPARATUS

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.

BATTERY AND ELECTRODE MATERIAL

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.

METHODS AND SYSTEMS FOR SCALABLE DIRECT RECYCLING OF BATTERY WASTE

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.

BATTERY MODULE WITH COOLANT FLOW CONTROL

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.

ENERGY STORAGE DEVICE FOR A MOTOR VEHICLE AND MOTOR VEHICLE COMPRISING AN ELECTRIC MACHINE AND AN ENERGY STORAGE DEVICE CONNECTED TO THE ELECTRIC MACHINE

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.

SCALABLE COOLING STRUCTURE FOR A BATTERY CELL

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.

METHOD AND APPARATUS FOR PROTECTING PRECHARGE RESISTOR PROVIDED IN BATTERY PACK

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.

CASE WITH THERMAL MANAGEMENT

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.

Pouch-Shaped Battery Cell and Battery Module Including the Same

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.

BATTERY ASSEMBLY

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

ELECTROMETRICS: EVALUATION, LEARNING, AND COMPUTATIONAL TECHNOLOGY FOR OPTIMIZED METRICS IN ELECTROLYSIS CELL SYSTEMS

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.

ENERGY STORAGE CELL

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.

RECHARGEABLE BATTERY MODULE

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.

BUSBAR ASSEMBLY AND BATTERY MODULE INCLUDING THE SAME

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.

BATTERY PACK ASSEMBLY AND ELECTRIC VEHICLE

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.

ELECTRODE ASSEMBLY, BATTERY, AND ELECTRIC APPARATUS

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.

BATTERY HEATING DEVICE

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.

BATTERY

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.

CELL AND LITHIUM-ION BATTERY

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.

LITHIUM-ION CELL

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).

JIG AND ELECTRODE MANUFACTURING SYSTEM COMPRISING THE SAME

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.

CYLINDRICAL SECONDARY BATTERY

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.

BATTERY MODULE, AND BATTERY PACK AND VEHICLE COMPRISING THE SAME

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.

SEPARATOR, PREPARATION METHOD THEREOF, AND SECONDARY BATTERY AND ELECTRIC APPARATUS RELATED THERETO

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

SECONDARY BATTERY

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.

SECONDARY BATTERY

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.

FUEL CELL SYSTEM

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.

SOLID-STATE BATTERY AND PRODUCTION METHOD FOR SOLID-STATE 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.

Negative Electrode and Lithium-Ion Secondary Battery

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.

SULFIDE SOLID ELECTROLYTE GLASS CERAMIC AND MANUFACTURING METHOD FOR SAME

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.

ZINC BATTERY ELECTROLYTE ADDITIVE

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.

BATTERY MODULE AND BATTERY PACK

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.

BATTERY CELL AND MANUFACTURING METHOD OF THE SAME

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.

BATTERY MODULE HAVING A SENSING MODULE THEREON

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.

METHOD FOR RECOVERING SOLID STATE ELECTROLYTE FROM ALL-SOLID-STATE-BATTERY

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.

BATTERY CONTROL DEVICE AND BATTERY SYSTEM

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.

EVM CATHODE BINDERS FOR BATTERY CELLS USING y-VALEROLACTONE AS PROCESSING SOLVENT

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.

BATTERY POTTING MATERIAL WITH IMPROVED ADHESION TO METAL

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.

APPARATUS AND METHOD FOR DIAGNOSING BATTERY

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.

BINDER FOR ELECTRODE COMPRISING POLY(VINYLIDENE FLUORIDE) AND A HYDROPHILIC POLYMER

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.

COMPUTER-IMPLEMENTED METHOD FOR DESIGNING A HEAT SINK

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.

BATTERY ELECTRODE AND METHOD OF MAKING THE SAME

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.

CONDUCTIVE SPUTTERING TARGET AND METHOD FOR DEPOSITING A LAYER THEREWITH

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.

END CAP ASSEMBLY, ENERGY STORAGE APPARATUS, AND ELECTRIC DEVICE

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.

COMPOSITE FIRE INSULATION SHEET, COMPOSITE PLATE, BATTERY PACK HOUSING, AND BATTERY PACK

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.

LITHIUM SECONDARY BATTERY

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.

METHOD FOR PRODUCING AN ELECTRODE, ELECTRODE, ALKALINE BATTERY, AND USES OF THE ALKALINE BATTERY

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.

METHOD FOR PRODUCING A NEGATIVE ELECTRODE, NEGATIVE ELECTRODE, GALVANIC CELL, AND USES OF THE GALVANIC CELL

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.

LITHIUM SECONDARY BATTERY

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.

BATTERY MODULE AND BATTERY PACK INCLUDING SAME

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.

POWDER OF A SOLID ELECTROLYTE FOR PRODUCING A SEPARATOR FOR A BATTERY CELL

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).

AEROSOL-GENERATING DEVICE AND AEROSOL-DELIVERY SYSTEM

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.

AEROSOL-GENERATING SYSTEM WITH ADHESIVE BETWEEN ELECTRODE UNIT AND ENVELOPE

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).

BATTERY CELL AND MANUFACTURING METHOD THEREOF

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.

BATTERY PACK INCLUDING HETEROGENEOUS BATTERY CELLS

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.

FLUORINE SUBSTITUTED ETHERS AND COMPOSITIONS, METHODS AND USES INCLUDING SAME

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).

HIGH VOLTAGE BOX

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.

CORRECTION DEVICE AND CORRECTION METHOD FOR CORRECTING INITIAL VALUE OF IMPEDANCE SPECTRUM MEASUREMENT DEVICE

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.

THERMAL PROPAGATION PREVENTING BATTERY CELL

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

CHARGING CONTROL SYSTEM, CHARGING CONTROL METHOD AND CHARGING CONTROL PROGRAM, AND STORAGE MEDIUM ON WHICH CHARGING CONTROL PROGRAM IS WRITTEN

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.

BATTERY PACK

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.

BATTERY PACK

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.

CYLINDRICAL BATTERY GASKET, AND CYLINDRICAL BATTERY PROVIDED WITH SAID GASKET

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.

SEPARATOR FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE COMPRISING SAME

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.

POUCH TYPE BATTERY CELL

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.

FLUORIDE SHUTTLE SECONDARY BATTERY, AND METHOD FOR USING FLUORIDE SHUTTLE SECONDARY BATTERY

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_x and having a melting point of 0°C or more and 250°C or less, where "x" represents a valence of the M2.

AEROSOL GENERATION DEVICE AND PROGRAM

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.

COVER MEMBER AND PROGRAM

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.

COVER MEMBER

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.

COVER MEMBER

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.

PIPE CONNECTION STRUCTURE, THERMAL MANAGEMENT ASSEMBLY AND BATTERY PACK

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.

STACKING MACHINE

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

SHIM PLATE AND DIE COATER COMPRISING SAME

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.

BATTERY CELL INSPECTION APPARATUS, BATTERY CELL INSPECTION METHOD, AND BATTERY CELL INSPECTION SYSTEM

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.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

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.

SPIRO-BASED IONIC LIQUID ELECTROLYTE FOR LOW TEMPERATURE SUPERCAPACITORS AND METHODS OF FABRICATING SAME

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.

BATTERY SELF-HEATING CIRCUIT, METHOD, DEVICE, AND VEHICLE

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).

HIGH-DENSITY CARBON NANOTUBE COMPOSITION, METHOD FOR PREPARING SAME, CARBON NANOTUBE DISPERSION LIQUID COMPRISING SAME, AND POSITIVE ELECTRODE SLURRY COMPOSITION

Resumen de: EP4585561A1

The present invention relates to a carbon nanotube composition having a volume density of 500/mm³ to 2500/mm³ 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.

THERMAL MANAGEMENT COMPONENT, BOX ASSEMBLY, BATTERY, AND ELECTRIC APPARATUS

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).

BATTERY AND ELECTRIC DEVICE

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.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

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.

CASING ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

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.

BATTERY PACK FOR GENERATING SYNCHRONIZATION SIGNALS AND VEHICLE INCLUDING SAME

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.

PULSED NANO SURFACING METHODS

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.

METHODS AND SYSTEMS FOR UPCYCLING SPENT BATTERIES

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.

FORCED DISCHARGE FOR BATTERIES

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.

METHOD OF MAKING MONODISPERSED SINGLE CRYSTAL CATHODE MATERIAL

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.

ELECTRONIC DEVICE FOR DETECTING BATTERY ABNORMALITY, AND METHOD OF OPERATING SAME

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.

CARBON NANOTUBE DISPERSION SOLUTION, PREPARATION METHOD THEREFOR, ELECTRODE SLURRY COMPOSITION COMPRISING SAME, ELECTRODE COMPRISING SAME, AND SECONDARY BATTERY COMPRISING SAME

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.

ELECTRONIC DEVICE FOR DETECTING BATTERY ABNORMALITY, AND METHOD FOR OPERATING SAME

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.

ELECTRONIC DEVICE AND ELECTRONIC DEVICE CONTROL METHOD

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.

NONAQUEOUS LITHIUM ELECTRICITY STORAGE ELEMENT

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 pixel² of 4,000 or less.

CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

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.

CALIBRATION METHOD FOR STATE OF CHARGE, AND BATTERY SYSTEM PROVIDING SAME

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.

ELECTRONIC DEVICE COMPRISING THERMAL DIFFUSION MEMBER

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.

ELECTRODE POSITION TRACKING SYSTEM

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.

SEPARATOR WITH A CERAMIC-COMPRISING SEPARATOR LAYER

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.

SECONDARY BATTERY

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.

ROLL CHANGING APPARATUS AND ADHESIVE TAPE STICKING DEVICE

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.

FRAME STRUCTURE AND ENERGY STORAGE SYSTEM

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).

APPARATUS AND METHOD FOR DIAGNOSING BATTERY STATE

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.

CARBON FLUORIDE MODIFICATION METHOD, MODIFIED CARBON FLUORIDE AND LITHIUM/CARBON FLUORIDE BATTERY

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.

BATTERY PACK, VEHICLE, AND ELECTRONIC DEVICE COMPRISING SAME

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.

NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY

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°.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

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.

END COVER ASSEMBLY, ENERGY-STORAGE APPARATUS, AND ELECTRICITY-CONSUMPTION DEVICE

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.

BATTERY SELF-DISCHARGE CURRENT SENSING METHOD, BATTERY SELF-DISCHARGE CAPACITY PREDICTION METHOD, BATTERY SELF-DISCHARGE SCREENING METHOD, DEVICE AND MEDIUM

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.

A LASER CUTTING APPARATUS AND RELATIVE METHOD

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.

AN APPARATUS AND RELATIVE METHOD FOR STACKING MONOCELLS FOR PRODUCING ELECTRICAL ENERGY STORAGE DEVICES

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).

BATTERY MODULE FOR A VEHICLE BATTERY PACK

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) .

Electrode precursor composition

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.

SULFIDE SOLID ELECTROLYTE

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.

ALL-SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING SAME

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.

CATHODE ACTIVE MATERIAL FOR ALL-SOLID-STATE BATTERY, CATHODE, AND ALL-SOLID-STATE BATTERY

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.

BATTERY CELL, BATTERY, ELECTRICAL DEVICE AND ENERGY STORAGE APPARATUS

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.

BINDER FOR POSITIVE ELECTRODE OF ALL-SOLID-STATE BATTERY, AND COMPOSITE POSITIVE ELECTRODE AND ALL-SOLID-STATE BATTERY COMPRISING SAME

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.

RECHARGEABLE BATTERY MODULE

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.

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERIES, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

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 m²/g to 0.60 m²/g.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

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.

PACK CASE

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.

APPARATUS FOR FORMING POUCH-TYPE BATTERY CASE, POUCH-TYPE BATTERY CASE MANUFACTURED USING SAME, AND METHOD FOR FORMING CUP PART OF POUCH-TYPE BATTERY CASE BY USING APPARATUS FOR FORMING POUCH-TYPE BATTERY 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.

ELECTRODE PLATE, ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY INCLUDING THE SAME

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).

RECHARGEABLE BATTERY MODULE

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.

BATTERY CELL ASSEMBLY AND BATTERY PACK INCLUDING SAME

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.

COOLING DEVICE AND BATTERY PACK COMPRISING SAME

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.

METHOD FOR THE DIRECT RECYCLING OF ELECTRODE MATERIALS FROM SCRAP USED FOR THE PRODUCTION OF LITHIUM-ION BATTERIES

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.

ELECTRODE ASSEMBLY, METHOD FOR MANUFACTURING ELECTRODE ASSEMBLY, SECONDARY BATTERY, AND ELECTRONIC DEVICE

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).

SECONDARY BATTERY MANUFACTURING SYSTEM AND METHOD FOR TRACKING A SECONDARY BATTERY MANUFACTURING PROCESS

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.

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

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.

SEPARATION METHOD FOR RELEASING BONDING IN BATTERY PACK

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.

ANODE FOR SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

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.

BATTERY PACK COLD PLATE

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.

BATTERY PACK WITH TWO HOUSING PARTS

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.

BATTERY MANAGEMENT DEVICE AND BATTERY PACK INCLUDING THE SAME

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.

BATTERY ELECTRODE GRAPHITE DISPERSION

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.

ELECTRIC POWER CONVERSION DEVICE AND PROGRAM

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.

DETERIORATION INHIBITION CONTROL SYSTEM, DETERIORATION INHIBITION CONTROL METHOD AND DETERIORATION INHIBITION CONTROL PROGRAM, AND RECORDING MEDIUM HAVING DETERIORATION INHIBITION CONTROL PROGRAM DESCRIBED THEREON

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.

ADHESIVE COMPOSITION, LAMINATE, PACKAGING MATERIAL, AND PACKAGING MATERIAL FOR BATTERY CASES

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.

APPARATUS FOR AUTOMATICALLY INSPECTING WELDING STATE

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.

BATTERY CARRIER DIE-CAST PART AND METHOD FOR PRODUCING A BATTERY CARRIER DIE-CAST PART

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.

BATTERY CELL, BATTERY, ELECTRICAL APPARATUS, AND MANUFACTURING METHOD FOR BATTERY CELL

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.

COMPOSITE POROUS MATERIAL AND USE THEREOF, SILICON-BASED COMPOSITE MATERIAL, NEGATIVE ELECTRODE, AND BATTERY

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.

BURST VALVE

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.

ELECTRODE ASSEMBLY AND MANUFACTURING METHOD THEREFOR, AND BATTERY CELL, BATTERY AND ELECTRIC DEVICE

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).

ELECTROLYTE COMPOSITION, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRICAL DEVICE

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.

CURRENT COLLECTOR, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC APPARATUS

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.

POWDER COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR A SEPARATOR COATING

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.

COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR A SEPARATOR COATING

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.

POWDER COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR SEPARATOR COATING

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.

COMPOSITION BASED ON AT LEAST ONE FLUOROPOLYMER AND AT LEAST ONE HYDROPHILIC POLYMER FOR SEPARATOR COATING

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.

BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

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.

ROLLING DEVICE AND ROLLING METHOD FOR MANUFACTURING ELECTRODE

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.

ELECTRICAL ENERGY STORAGE MODULE HAVING INTEGRATED POWER CONVERSION MEANS, AND ELECTRICAL ENERGY STORE INCORPORATING SAME

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.

BATTERY ASSEMBLY OF BATTERY MODULES

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.

MULTILAYER SERIES-CONNECTED AXIAL-FLOW TYPE PASTE DISPERSING DEVICE AND POWDER-LIQUID MIXING DEVICE

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

DETECTION APPARATUS, DEFECT DETECTION METHOD AND APPARATUS, COMPUTER DEVICE, AND STORAGE MEDIUM

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.

BATTERY FOR A POWER TOOL WITH A COMMUNICATION INTERFACE AND A CONTROL DEVICE FOR ESTIMATION OF BATTERY CAPACITY

Wärmeübertragungsvorrichtung

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.

Circuit de fluide diélectrique pour un dispositif de régulation thermique, notamment de véhicule automobile

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

NEGATIVE ELECTRODE MATERIAL, SECONDARY BATTERY, AND ELECTRONIC APPARATUS

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.

NEGATIVE ELECTRODE MATERIAL, SECONDARY BATTERY, AND ELECTRONIC APPARATUS

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.

SOLID-STATE BATTERIES WITH ALUMINUM-BASED ANODES

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.

IRON POWDER, IRON ELECTRODE, IRON BATTERY, AND METHOD OF MANUFACTURE THEREOF

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.

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

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.

LASER WELDING TOOLING AND LASER WELDING SYSTEMS

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.

ANODE FOR LITHIUM METAL BATTERY, ELECTRODE ASSEMBLY FOR LITHIUM METAL BATTERY, AND LITHIUM METAL BATTERY

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.

SIMULATION SYSTEM AND OPERATION METHOD OF SIMULATION SYSTEM

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.

SECONDARY BATTERY MANUFACTURING EQUIPMENT AND METHOD FOR MANUFACTURING SECONDARY BATTERY

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.

ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND ALKALINE MANGANESE SECONDARY BATTERY

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.

SOLID ELECTROLYTE, AND SOLID ELECTROLYTE MEMBRANE AND ALL-SOLID-STATE RECHARGEABLE BATTERY WHICH COMPRISE SAME

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.

COMPOSITE POLYMER ELECTROLYTE, METHOD FOR MANUFACTURING SAME, AND ALL-SOLID-STATE BATTERY COMPRISING SAME

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.

APPARATUS AND METHOD FOR MANAGING BATTERY

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.

CYLINDRICAL SECONDARY BATTERY MANUFACTURING DEVICE AND MANUFACTURING METHOD

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.

CYLINDRICAL SECONDARY BATTERY MANUFACTURING APPARATUS AND MANUFACTURING METHOD

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.

BATTERY MODULE WITH IMPROVED STABILITY

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.

Case and cell module having the same

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

Cooling plate, method for producing cooling plate, and battery pack

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

Production methods and working principle for the pre-expansion of chalcogenide-based electrodes prior to their reaction with alkali/alkaline earth metals

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

SPACER, BATTERY CELL, AND VEHICLE

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.

ENERGY STORAGE SYSTEM, AND PROTECTION DEVICE AND PROTECTION METHOD THEREOF

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.

BATTERY RACK

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.

ENERGY-EFFICIENT ANALYTE DETECTION SYSTEM

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.

SYSTEM AND METHOD FOR AN ENHANCED HAIR DRYER

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.

PH DECOUPLED REDOX FLOW BATTERIES

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.

NONAQUEOUS ELECTROLYTE FOR LITHIUM ION ENERGY STORAGE DEVICE

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.

SYSTEM FOR MULTI-LAYER BATTERY ELECTRODE FABRICATION

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.

IRON POWDER, IRON ELECTRODE, IRON BATTERY, AND METHOD OF MANUFACTURE THEREOF

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.

STATE OF CHARGE (SOC) OPTIMIZATION OF RECONFIGURABLE BATTERY NETWORK

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.

POUCH-TYPE SECONDARY BATTERY, POUCH SEALING DEVICE, AND SEALING METHOD USING SAME

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.

APPARATUS AND METHOD FOR MANAGING BATTERY

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.

FLAME RETARDING ELECTROLYTE FOR LITHIUM ION ENERGY STORAGE DEVICE

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.

ELECTRODE MATERIAL, ELECTRODE MATERIAL PREPARATION METHOD, ELECTRODE MATERIAL PRECURSOR, AND ELECTRODE MATERIAL PRECURSOR PREPARATION METHOD

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.

COMPOSITE CATHODE ACTIVE MATERIAL, AND CATHODE AND LITHIUM SECONDARY BATTERY CONTAINING THE COMPOSITE CATHODE ACTIVE MATERIAL

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.

CATHODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

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.

POSITIVE ELECTRODE ACTIVE MATERIALS, POSITIVE ELECTRODES, AND RECHARGEABLE LITHIUM BATTERIES