Resumen de: WO2025201886A1
The invention relates to a method for analyzing a state of an energy-storage device for an electrically propellable motor vehicle, the method comprising: setting the energy-storage device and/or a component of the energy-storage device to a test state; measuring an electrical and/or thermal measurement variable in the test state; retrieving a comparative variable, the comparative variable characterizing a computer-assisted simulation of the energy-storage device and/or of the component in a reference state corresponding to the test state; and outputting state information relating to the state of the energy-storage device taking into account a comparison between the measurement variable and the comparative variable.
Resumen de: WO2025201744A1
The present teachings relate to a temperature monitoring system for an electrical unit, which temperature monitoring system comprises: a first monitored portion and a first temperature sensor disposed to measure a first temperature of the first monitored portion; a second monitored portion and a second temperature sensor disposed to measure a second temperature of the second monitored portion; an evaluation unit operable to determine a temperature reserve value from the first temperature and the second temperature. The present teachings further relate to a method for operating a temperature monitoring system for an electrical unit, and software product.
Resumen de: DE102025111130A1
Eine Traktionsbatteriebaugruppe beinhaltet eine Vielzahl von Batteriezellen, die in einem linearen Array angeordnet ist, ein Substrat, das das Array stützt, und eine Isolatorbaugruppe. Die Isolatorbaugruppe weist äußere komprimierbare Schichten, mindestens eine Wärmeisolationsschicht und eine Metallschicht auf. Die Metallschicht beinhaltet eine Metallplatte, die derart in einem dielektrischen Material eingekapselt ist, dass alle Flächen der Metallplatte durch das dielektrische Material bedeckt sind, wobei die Schichten aneinander gesichert sind, um einen einheitlichen Stapel zu bilden, wobei die Metallschicht gegen die mindestens eine Wärmeisolationsschicht und mit der Metallschicht angeordnet ist, die mindestens eine Wärmeisolationsschicht zwischen den äußeren komprimierbaren Schichten angeordnet ist und die Isolatorbaugruppe zwischen einem benachbarten Paar der Batteriezellen angeordnet ist und derart an dem Substrat aufgenommen ist, dass ein Abschnitt des dielektrischen Materials zwischen dem Substrat und der Metallplatte liegt.
Resumen de: DE102024109212A1
Die Erfindung betrifft eine Einrichtung (1) für einen Kühlkreislauf (20). Die Einrichtung (1) umfasst dabei einen Rücklaufkanal (4) und einen Entlüftungskanal (5), die mittels einer Befüllschraube (8) fluidisch miteinander verbindbar und voneinander trennbar sind.Die Erfindung betrifft auch einen Kühlkreislauf (20) mit der Einrichtung (1).
Resumen de: DE102025106056A1
Eine Batterie umfasst einen ersten Zellenstapel (CS1) und einen zweiten Zellenstapel (CS2), die nebeneinander angeordnet sind; und ein erstes Kühlrohr (CP1) und ein zweites Kühlrohr (CP2), die entsprechend unter dem ersten und zweiten Zellenstapel (CS1, CS2) vorgesehen und so konfiguriert sind, dass sie den ersten und den zweiten Zellenstapel (CS1, CS2) kühlen. Die ersten und zweiten Kühlrohre (CP1, CP2) erstrecken sich von ersten Enden der ersten und zweiten Zellenstapel (CS1, CS2) zu deren zweiten Enden und sind an den zweiten Enden miteinander verbunden. An den ersten Enden sind sowohl eine Einlassöffnung (IN) als auch eine Auslassöffnung (OUT) für ein Kältemittel vorgesehen, das durch die ersten und zweiten Kühlrohre (CP1, CP2) fließt, und das von der Einlassöffnung (IN) einströmende Kältemittel fließt zuerst durch das erste Kühlrohr (CP1) vom ersten Ende, dann durch das zweite Kühlrohr (CP2) vom zweiten Ende und strömt aus der Auslassöffnung (OUT) aus.
Resumen de: DE102024109081A1
Eine Batteriezelle, insbesondere zylindrische Lithium-Ionen-Batteriezelle, weist auf:ein elektrisch leitfähiges Gehäuse;einen in dem Gehäuse angeordneten Elektrodenwickel;eine zwischen einer Endplatte des Gehäuses und dem Elektrodenwickel angeordnete Ableiterplatte, welche mit einem Rand eines Stromkollektors einer Elektrode des Elektrodenwickels, insbesondere durch Schweißen, und einem Anschlusspol der Batteriezelle verbunden; undein elektrisch isolierendes Material (50), das zwischen der Ableiterplatte und der Endplatte angeordnet ist und in thermischem Kontakt, insbesondere direktem thermischen Kontakt, mit der Ableiterplatte und der Endplatte ist und eine Wärmeleitfähigkeit aufweist, die größer als 1 W/(m·K) ist
Resumen de: DE102024108584A1
Die Erfindung betrifft eine Kühleinrichtung (12) für eine Batterie (16), wobei die Kühleinrichtung (12) eine erste Seite (12a) zur Anordnung an mindestens einer von der Batterie (16) umfassten Batteriezelle, eine zweite Seite (12b), die der ersten Seite (12a) gegenüberliegt, und mindestens einen von einem Kühlmittel durchströmbaren Kühlkanal (18) aufweist, der zwischen der erste und zweiten Seite (12a, 12b) angeordnet ist. Dabei weist die Kühleinrichtung (12) in zumindest einem Teil (O1) einer Oberfläche (O) der Kühleinrichtung (12) eine flächige Beschichtung (22) aus einem thermoelektrischen Material (M) aufweist.
Resumen de: WO2025202502A1
The present disclosure relates to bicyclic triol borates and the production and use thereof in an electrolyte composition. The present disclosure relates in particular to the use of zwitterionic bicyclic triol borates in an electrolyte composition in electrochemical supercapacitors and ultracapacitors, for example in double-layer capacitors in electric motors.
Resumen de: WO2025202507A1
The present disclosure relates to a battery (1), preferably a vehicle battery, having a receiving housing (132) which forms a receiving volume (130), wherein a multiplicity of battery cells (4) are received in the receiving volume (130), and having a housing cover (100) which closes off the receiving housing (132) and thus encloses the receiving volume (130), wherein a gas-guiding space (120) for guiding gases when passing through a battery cell (4) is provided, wherein the housing cover (100) delimits the gas-guiding space (120).
Resumen de: DE102025108375A1
Ein Batteriewiederverwendungsverwaltungssystem verwaltet die Wiederverwendung eines in Fahrzeugen installierten Batteriepacks. Das Batteriewiederverwendungsverwaltungssystem erfasst Batterieinformationen, die den Verwendungsverlauf des Batteriepacks während der primären Verwendung im Fahrzeug widerspiegeln. Das Batteriewiederverwendungsverwaltungssystem erwirbt erste Fahrtaufzeichnungsinformationen, die mindestens eine der Gesamtfahrstrecke und den Positionsverlauf des Fahrzeugs angeben, und erwirbt zweite Fahrtaufzeichnungsinformationen durch Abstraktion der ersten Fahrtaufzeichnungsinformationen. Die Batterieverwaltungsinformationen umfassen Batterieinformationen und die zweiten Fahrtaufzeichnungsinformationen, aber nicht die ersten Fahrtaufzeichnungsinformationen. Das Batteriewiederverwendungsverwaltungssystem erwirbt eine Wiederverwendungs-ID, die Identifikationsinformationen für den Batteriepack bei Wiederverwendung darstellt. Das Batteriewiederverwendungsverwaltungssystem stellt die Wiederverwendungs-ID und die Batterieverwaltungsinformationen einem Nutzer zur Verfügung, der das Batteriepack wiederverwendet.
Resumen de: DE102024109001A1
Die vorliegende Offenbarung betrifft bicyclische Triolborate und deren Herstellung sowie Verwendung in einer Elektrolytzusammensetzung. Die vorliegende Offenbarung betrifft insbesondere die Verwendung zwitterionischer bicyclischer Triolborate in einer Elektrolytzusammensetzung in elektrochemischen Super- und Ultrakondensatoren, beispielsweise in Doppelschichtkondensatoren in Elektromotoren.
Resumen de: WO2025201932A1
It is disclosed an energy module, comprising: electrical energy storage cells; temperature sensors configured to monitor temperatures of the electrical energy storage cells; a measurement tap in the network, which has a voltage value that will change responsive to a change of the shared current or voltage; and a circuit configured to detect an occurrence of a temperature error that is associated with one or more of the energy storage cells based on the voltage value at the measurement tap. Related methods and software products are also disclosed.
Resumen de: DE102024108593A1
Die Erfindung offenbart eine Batteriegehäusekomponente (10) für eine Traktionsbatterie zur Kühlung von zumindest einer Batteriekomponente (11), wobei die Batteriegehäusekomponente (10) ein Basisbauteil (20), welches einen ersten Kunststoff aufweist, ein faserverstärktes Verbindungsbauteil (30) auf, welches eine Verbindungsbauteil-Innenfläche (31) und eine Verbindungsbauteil-Außenfläche (32) aufweist, und eine Mehrschichtfolie (40) aufweist, wobei die Mehrschichtfolie (40) eine Verbindungsfläche (41) und eine Kontaktierungsfläche (42) aufweist, wobei die Kontaktierungsfläche (42) zur zumindest mittelbaren Kontaktierung der zumindest einen Batteriekomponente (11) ausgebildet ist, wobei das faserverstärkte Verbindungsbauteil (30) sandwichartig zwischen dem Basisbauteil (20) und der Mehrschichtfolie (40) angeordnet ist, wobei eine Basisbauteil-Innenfläche (21) des Basisbauteils (20) mit der Verbindungsbauteil-Innenfläche (31) stoffschlüssig verbunden ist, und wobei die Verbindungsfläche (41) der Mehrschichtfolie (40) mit der Verbindungsbauteil-Außenfläche (32) des faserverstärkten Verbindungsbauteils (30) unter Ausbildung von zumindest einem zwischen der Mehrschichtfolie (40) und dem Verbindungsbauteil (30) angeordneten Kühlfluidkanal (50) zur Leitung eines Kühlfluids mittels einer Verbindungsschicht (60) aus einem faserlosen thermoplastischen Kunststoff stoffschlüssig verbunden ist.
Resumen de: WO2025207438A1
Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms, and methods of producing and operating the same. ln some aspects, an electrochemical cell can include an anode and a cathode material disposed on a cathode current collector, the cathode material and the cathode current collector forming a cathode.The electrochemical cell further includes a first separator disposed on the anode, a second separator disposed on the cathode, and an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material, the interlayer including a source of lithium ions, the lithium ions configured to migrate toward the anode upon a voltage difference between the interlayer and the anode exceeding a threshold value. In some embodiments, the anode can include an anode material disposed on an anode current collector. ln some embodiments, the anode material can include graphite, silicon, and/or hard carbon.
Resumen de: WO2025206522A1
The present invention relates to an all-solid-state battery and a manufacturing method therefor, wherein a solid electrolyte present at an interface between a negative electrode active material layer and a solid electrolyte layer has an average particle size of 1 to 3 μm.
Resumen de: WO2025201658A1
The present disclosure provides sensor devices and methods for detecting corrosion of an electrode substrate, particularly for water-based electrode coating. According to aspects and embodiments of the present disclosure, a method for quality control of an electrode is provided for determining at least one quality parameter based on a measurement of an amount of hydrogen gas emitted from an electrode using a hydrogen gas sensor. The method may further include measuring an amount of hydrogen gas using a hydrogen gas sensor combined with microwave sensing to determine at least one quality parameter. Systems and methods are further provided for manufacturing an electrode electrochemical energy storage device, particularly an electrode for any electrochemical energy storage device.
Resumen de: EP4625591A2
An apparatus for loading an electrode core into a casing, the apparatus comprising a device for measuring the pressure on an electrode core when loaded into a casing. The device for measuring the pressure on an electrode core when loaded into a casing comprises a gripping mechanism, a first pushing mechanism and a pressure measurement mechanism. The gripping mechanism comprises a first driving member and a gripper, wherein the first driving member is used for driving the gripper to grip an electrode core. The first pushing mechanism is configured to move in a first direction and push the electrode core into a casing. The pressure measurement mechanism is connected to the gripping mechanism and is used for measuring the resistance to the electrode core while the electrode core is pushed into the casing.
Resumen de: EP4624239A1
A battery dynamic equalization apparatus, a control method thereof and a vehicle. The apparatus comprises: a power battery (110); a motor controller (120); a direct-current charging and discharging port (130); and a controller (140), the controller being connected to the motor controller. The controller is configured to: in a first preset state, charge the power battery by means of the direct-current charging and discharging port, and control bridge arms of the motor controller to alternately charge and discharge a first battery pack (El) and a second battery pack (E2) so as to achieve self-heating of the first battery pack and the second battery pack, and allow the absolute value of the difference between the battery level of the first battery pack and the battery level of the second battery pack to be lower than a preset threshold. The battery dynamic equalization apparatus, when charging the power battery, can realize dynamic equalization of battery levels of the first battery pack and the second battery pack in the self-heating process, thereby improving the battery performance and extending the battery life.
Resumen de: EP4624415A1
The application provides a composite lithium manganese iron phosphate positive electrode material, and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing a metal salt solution and an organic ligand solution, and carrying out ultrasonic treatment to obtain a MOF solution; (2) mixing a lithium manganese iron phosphate powder with the MOF solution obtained in step (1), and grinding to obtain a mixed material; (3) calcining the mixed material obtained in step (2) to obtain the composite lithium manganese iron phosphate positive electrode material. The application can effectively improve the electron and ion transmission capability of the LMFP, and solve the problem of poor LMFP cycle stability in related art.
Resumen de: CN118073744A
The invention discloses a battery pack assembly for a vehicle and the vehicle. The battery pack assembly comprises a battery pack body; the cooling assembly comprises a shell and at least two connecting pipes extending out of the shell; the connecting assembly comprises a flange arranged on the shell; the flange is provided with at least two mounting holes matched with the at least two connecting pipes and spacing parts located between the adjacent mounting holes; the inner surface of the side wall of each mounting hole is provided with at least one convex rib which protrudes inwards in the radial direction and extends in the circumferential direction, and the part, corresponding to the interval part, of the convex rib forms a clamping section; and the sealing sleeve is mounted on the convex rib and comprises a sealing part between the flange and the shell so as to seal a gap between the flange and the shell. The flange is jointed with the shell, and the spacing part is bent towards the shell, so that the clamping section and the spacing part are at least in sealing contact with corresponding parts of the sealing sleeve. The connecting assembly of the battery pack assembly has good sealing performance.
Resumen de: EP4624414A1
The present disclosure provides a composite positive electrode material, a preparation method therefor, and an application thereof. The method includes the following steps: (1) mixing a first lithium source, a manganese source, an iron source, and a phosphorus source with a solvent to obtain a lithium manganese iron phosphate precursor, performing thermal treatment on the lithium manganese iron phosphate to obtain lithium manganese iron phosphate powder, mixing a nickel cobalt manganese hydroxide with a second lithium source, and performing sintering treatment to obtain a nickel-cobalt-lithium manganese oxide positive electrode material; (2) mixing the lithium manganese iron phosphate powder and lithium nickel cobalt manganese oxide positive electrode material obtained in step (1) with a metal-organic framework (MOF) material, and stirring to obtain mixed powder; and (3) performing calcination treatment on the mixed powder obtained in step (2) to obtain the composite positive electrode material.
Resumen de: MX2025006065A
A system includes a battery assembly. The system includes a circuit board comprising circuitry. The circuitry includes a first trace. The system includes an integrated circuit mounted on the circuit board. The integrated circuit includes a thermistor pin. The thermistor pin is configured to initiate a first mode of the integrated circuit. The integrated circuit is configured to monitor cells of the battery assembly. The system includes a first switch mounted on the circuit board. The first switch includes a first position and a second position. The first position is configured conduct and the second position configured to impede. The circuitry is configured to change a voltage of the thermistor pin based on the first trace according to the first switch.
Resumen de: EP4625628A1
Disclosed is a packaging material for a battery, including a lamination structure of: an outer layer consisting of a heat-resistant resin film; a gas barrier layer containing a metal foil; and an inner layer consisting of a composition containing a thermoplastic polyolefin, wherein the slipperiness of the inner layer is enhanced to achieve excellent moldability, causing no leakage of cell electrolytes and thereby ensuring safety. The present invention provides a packaging material for a battery, including a lamination structure of: an outer layer consisting of a heat-resistant resin film; a gas barrier layer containing a metal foil; and an inner layer consisting of a composition containing a thermoplastic polyolefin, wherein the composition constituting the inner layer contains an unsaturated secondary fatty acid amide.
Resumen de: EP4624634A1
An embodiment of the present invention provides a copper foil that comprises: a copper layer containing more than 99.9 weight% copper, and a protective layer on the copper layer, and has a tensile strength index of 3.0 kgf/mm<2> or less and an elongation index of 2.1% or less. The tensile strength index is calculated according to the following equation 1, Equation 1 Tensile Strength Index = |Tensile Strength 2 - Tensile Strength 1|. In equation 1, tensile strength 1 is a tensile strength of a sample before the salt spray test, tensile strength 2 is a tensile strength of the sample after the salt spray test. The elongation index is calculated according to the following equation 2, Elongationindex=Elongation2−Elongation1. In equation 2, elongation 1 is an elongation rate of a sample before the salt spray test and elongation 2 is an elongation rate of the sample after the salt spray test. The salt spray test is conducted over 72 hours in 6 cycles with 5±1% NaCl, wherein 1 cycle consists of spraying for 2 hours at 35±2 °C followed by drying for 10 hours.An embodiment of the present invention provides a copper foil comprising 99.9 weight% or more of copper, with a first weight retention rate of 0.1% or less and a second weight retention rate of 0.3% or less. The first weight retention rate is calculated according to the following equation 3, Equation 3 First Weight Retention Rate=|(Weight after 5 hr immersion-Weight before immersion)/Weight before immersion X 100|, and the se
Nº publicación: EP4624633A1 01/10/2025
Solicitante:
SK NEXILIS CO LTD [KR]
SK Nexilis Co., Ltd
Resumen de: EP4624633A1
One embodiment of the present invention relates to a copper foil comprising a copper film, which contains 99.9 wt% or more of copper, and having an R value of 2.0-3.5. R is calculated by relation 1, relation 1 R = log (WA / WB) / log (tA / tB). WA in relation 1 is calculated by relation 2, relation 2 WA = XA0 + (XA45) X 2 + XA90 / 4. WB in relation 1 is calculated by relation 3, relation 3 WB = XB0 + (XB45) X 2 + XB90 / 4. tA in relation 1 means the thickness of a specimen before a tensile test, tB in relation 1 means the thickness of the specimen after a tensile test, XA0, XA45, and XA90 in relation 2 mean respective widths of the central part, in the direction of tension before applying tension, of specimens collected in 0°, 45°, and 90° directions, and XB0, XB45, and XB90 in relation 3 mean respective widths of the central part, in the direction of tension after applying tension, of the specimens collected in 0°, 45°, and 90° directions. One embodiment of the present invention relates to the copper foil comprising a copper film, which contains 99.9 wt% or more of copper, the copper film having a room-temperature loss coefficient of 0.05 or less, wherein the room-temperature loss coefficient is calculated by relation 4. relation 4 room-temperature loss coefficient=room-temperature loss modulus/room-temperature storage modulus.