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Electrode Supply Apparatus and Method, and Electrode Assembly Manufacturing Apparatus and Method

Resumen de: US20260341771A1

An electrode supply apparatus having an electrode magazine for accommodating a plurality of stacked electrodes, a sensor for detecting a shape of a stacked electrode in the magazine, and an electrode picking-up part for picking up an electrode in the electrode magazine, and a position controller for changing a position of the stacked electrodes in the magazine in accordance with the detected shape is provided. A method of supplying an electrode is also provided.

SECONDARY BATTERY AND POWER CONSUMING APPARATUS INCLUDING SAME

Resumen de: US20260341673A1

A negative electrode plate includes a negative electrode current collector and a negative electrode film layer formed on at least one surface of the negative electrode current collector. The negative electrode film layer has a first surface distant from the negative electrode current collector and a second surface arranged opposite to the first surface. The thickness of the negative electrode film layer is denoted as H. A region within a thickness range from the first surface to 0.3 H of the negative electrode film layer is denoted as a first region of the negative electrode film layer. A region within a thickness range from the second surface to 0.3 H of the negative electrode film layer is denoted as a second region of the negative electrode film layer. The binder content in the first region is less than the binder content in the second region.

BATTERY PACK AND DEVICE INCLUDING THE SAME

Resumen de: US20260341894A1

The present disclosure includes a battery pack and a device including the same. The battery pack according to one embodiment of the present disclosure comprises at least one or more battery modules that includes a battery cell stack in which a plurality of battery cells are stacked and a module frame that houses the battery cell stack; a first pack frame on which the battery module is mounted; a second pack frame covering the battery module; and a venting part provided on one surface of the first pack frame, wherein the venting part communicates with a venting path that is formed by a plurality of partition members located on the first pack frame.

BATTERY DEVICE

Resumen de: US20260341832A1

Discussed is a battery device, which can include a stacked battery unit having two surfaces facing each other; two support frames provided on the two surfaces of the stacked battery unit, respectively, to partially expose the two surfaces; two thermally conductive adhesive layers respectively provided on the two surfaces of the stacked battery unit exposed by the two support frames; and two thermally conductive plates respectively provided on the two support frames and respectively fixed on the stacked battery unit through the two thermally conductive adhesive layers.

POWER STORAGE DEVICE BINDER AQUEOUS SOLUTION, POWER STORAGE DEVICE SLURRY, POWER STORAGE DEVICE ELECTRODE, POWER STORAGE DEVICE SEPARATOR, POWER STORAGE DEVICE SEPARATOR/ELECTRODE LAMINATE, AND POWER STORAGE DEVICE

Resumen de: US20260337322A1

A power storage device binder aqueous solution includes a water-soluble polymer, (meth)acrylamide, and (meth)acrylonitrile. The water-soluble polymer includes 0.01 mass % to 1 mass % of a polymerization initiator unit, and a content of the (meth)acrylamide with respect to the water-soluble polymer is 0.01 mass ppm or more and less than 1000 mass ppm.

COOLING LINE INTEGRATED BOX COVER FOR VEHICLE BATTERY PACK

Resumen de: US20260341840A1

A battery pack assembly includes: a battery module system including one or more cooling plates and a coolant port connected to the one or more cooling plates; and a battery pack enclosure configured to enclose the battery module system, the battery pack enclosure including an opening to access the battery module system and a box cover for the opening, wherein the box cover includes a cooling assembly including: a cooling line connector to connect to the coolant port, and a quick connector connected to the cooling line connector and configured to connect to an external line.

THERMAL EXCHANGE MODULE INTERFACE INCLUDING THERMALLY SHRINKABLE MATERIAL

Resumen de: US20260341839A1

A system for a motor vehicle may include a thermal exchange module configured to transfer heat between a component of the motor vehicle and a fluid. The thermal exchange module is fluidly coupled to a fluid channel via an interface including a thermally shrinkable material. A method is also disclosed.

SYSTEMS AND METHODS FOR COOLANT CONNECTION FOR EXTERNAL LEAK MANAGEMENT FOR BATTERY PACKS

Resumen de: US20260341842A1

A system includes: a battery pack enclosure to enclose a battery system; a coolant port to extend from the battery system inside the battery pack enclosure to outside the battery pack enclosure; and a coolant line connector to connect to the coolant port outside the battery pack enclosure, the coolant line connector including: an injection molded member extending from outside of the battery pack enclosure to inside of the battery pack enclosure, the injection molded member extending in an inside of the coolant port.

Anschlussvorrichtung zur Verbindung mit einer Wärmeübertragungseinrichtung, Wärmeübertragungseinrichtung mit einer Anschlussvorrichtung, Batteriegehäuse für eine Traktionsbatterie, Traktionsbatterie und ein Kraftfahrzeug mit einer Traktionsbatterie.

Resumen de: DE102025115699A1

Die Erfindung betrifft eine Anschlussvorrichtung (1) zur Verbindung, insbesondere stoffschlüssigen Verbindung, mit einer Wärmeübertragungseinrichtung (40), insbesondere einer Wärmeübertragungseinrichtung (40) innerhalb eines Batteriegehäuses, umfassend zumindest einen Anschluss (2) mit einer einen Anschlusskanal (3) bildenden Außenwandung (4) und mit einem Verbindungsabschnitt (5), wobei der Verbindungsabschnitt (5) zumindest eine den Verbindungsabschnitt (5) zumindest teilweise umlaufende Verbindungsrippe (6) mit wenigstens einer Verbindungsfläche (7) aufweist, und wobei der Verbindungsabschnitt (5) zumindest ein Verbindungsflächenelement (8) mit wenigstens einer Verbindungsfläche (9) aufweist, wobei die zumindest eine Verbindungsrippe (6) und/oder das zumindest eine Verbindungsflächenelement (8) dazu ausgebildet ist/sind, mit der Wärmeübertragungseinrichtung (40), insbesondere mit einem aus Folie ausgebildeten Außenwandbereich der Wärmeübertragungseinrichtung (40), fluiddicht, insbesondere stoffschlüssig, verbindbar zu sein, und wobei der Normalenvektor zumindest einer Verbindungsfläche (7) wenigstens einer Verbindungsrippe (6) und/oder einer Verbindungsfläche (9) wenigstens eines Verbindungsflächenelements (8) senkrecht zur Längsachse des Anschlusskanals (3) ausgerichtet ist/sind.

System zur thermischen Sicherstellung einer in einem Fahrzeug verbauten Komponente

Resumen de: DE102025116205A1

Die vorliegende Offenbarung betrifft ein System (100) zur thermischen Sicherstellung einer in einem Fahrzeug verbauten Komponente (10), umfassend:- eine passive thermische Isolieranordnung (110), die die Komponente (10) umgibt, wobei die Komponente (10) weiter an ein fahrzeugseitiges Thermosystem (20) zur Temperaturregelung der Komponente (10) im Fahrbetrieb angebunden ist;- eine Absperrvorrichtung (120), die eingerichtet ist, um die Anbindung der Komponente (10) an das fahrzeugseitige Thermosystem (20) selektiv zu öffnen und zu schließen; und- eine Steuereinheit (130), die eingerichtet ist, um die Absperrvorrichtung (120) für ein Schließen der Anbindung anzusteuern, wenn wenigstens ein Sperrkriterium erfüllt ist, wobei das wenigstens eine Sperrkriterium einen Betriebszustand des Fahrzeugs und/oder eine Kühlmitteltemperatur des fahrzeugseitigen Thermosystems (20) betrifft.

Anschlussvorrichtung zur Verbindung mit einer Wärmeübertragungseinrichtung, Wärmeübertragungseinrichtung mit einer Anschlussvorrichtung, Batteriegehäuse für eine Traktionsbatterie, Traktionsbatterie und ein Kraftfahrzeug mit einer Traktionsbatterie.

Resumen de: DE102025115700A1

Die Erfindung betrifft eine Anschlussvorrichtung (1) zur Verbindung, insbesondere stoffschlüssiger Verbindung, mit einer Wärmeübertragungseinrichtung (50), insbesondere einer Wärmeübertragungseinrichtung (50) innerhalb eines Batteriegehäuses, umfassend einen ersten Anschlussvorrichtungsteil (2A) umfassend zumindest einen Anschluss (3) und zumindest ein Verbindungsmittel (4A, 4B, 4C), einen zweiten Anschlussvorrichtungsteil (2B) umfassend zumindest einen Anschluss (3) und zumindest ein Verbindungsmittel (4A, 4B, 4C), wobei das zumindest eine Verbindungsmittel (4A, 4B, 4C) des ersten Anschlussvorrichtungsteils (2A) mit dem zumindest einen Verbindungsmittel (4A, 4B, 4C) des zweiten Anschlussvorrichtungsteils (2B) ein Verbindungssystem (5) bildet und der erste Anschlussvorrichtungsteil (2A) und der zweite Anschlussvorrichtungsteil (2B) mittels des zumindest einen Verbindungssystems (5), insbesondere lösbar, miteinander verbindbar sind, sodass je ein Anschluss (3) des ersten Anschlussvorrichtungsteils (2A) mit einem Anschluss (3) des zweiten Anschlussvorrichtungsteils (2B) einen Anschlusskanal (6) bildet.

BATTERY CELL AND METHOD FEATURING A SOLID ELECTROLYTE INTERPHASE LAYER ENABLING REVERSIBLE LITHIUM METAL CYCLING FOR ENHANCED FAST-CHARGING STABILITY

Resumen de: US20260341795A1

A vehicle battery cell, a vehicle, and a method for forming the battery cell is provided. The vehicle battery cell includes an anode current collector, an anode disposed on the anode current collector, a solid-electrolyte interphase layer disposed on the anode, a separator disposed on the solid-electrolyte interphase layer, a cathode disposed on the separator, and a cathode current collector disposed on the cathode. The separator includes lithium nitride (Li3N), and the lithium nitride (Li3N) induces uniform lithium deposition on the anode.

SYSTEMS AND METHODS FOR CONTROLLED BATTERY HEATING

Resumen de: US20260341827A1

A method of heating a battery is disclosed. The method includes generating a repeating signal to apply to a battery, the repeating signal comprising an alternating current. The alternating current generates internal heat within the battery, and the alternating current comprises a charge portion and a discharge portion. The discharge portion comprises directing energy from the battery to one selected from a group consisting of a capacitor and an external heating element.

BATTERY MODULE, BATTERY APPARATUS AND METHOD FOR INSPECTING LITHIUM PLATING

Resumen de: US20260341819A1

A battery module is disclosed. In some implementations, the battery module includes: a cell assembly including a plurality of battery cells that include a body and at least one tab connected to the body; and a pressure sensor unit disposed on at least one of the plurality of battery cells to detect pressure generated from the cell assembly, in which the pressure sensor unit includes at least one of a plurality of pressure sensors disposed in each region adjacent to a connection portion to which the tab is connected, in a body of at least one outermost battery cell among the plurality of battery cells.

DEVICES, SYSTEMS, AND METHODS FOR TEMPERATURE SENSING

Resumen de: US20260338610A1

A temperature sensing method comprising arranging a plurality of resistive temperature sensors (RTSs) in groups, each group comprising a same number of RTSs, each RTS having first and second ends, positioning each RTS adjacent a structure whose temperature is to be determined, connecting the first end of each RTS in a same group to a respective first node, connecting fixed-resistance resistors between a supply voltage and each first node, connecting the second end of each RTS to one respective RTS in each other group via second nodes, connecting each first node to a respective first input of a device and each second node to a respective second input, wherein quantities of resistors and first nodes equal the quantity of groups, and second nodes equal the quantity of RTSs per group.

Verfahren und Vorrichtung zur Funktionsüberwachung von Batteriezellen

Resumen de: DE102025116490A1

Die Erfindung betrifft u. a. ein Verfahren zur Funktionsüberwachung von Batteriezellen (22). Das Verfahren weist ein Überwachen eines Zellspannungssignals, das eine Zellspannung einer Batteriezelle (22) angibt, auf. Weiterhin weist das Verfahren ein Unterbinden eines Betriebs der Batteriezelle (22), wenn eine vorbestimmte Abschaltbedingung (A1) erfüllt ist, wobei die vorbestimmte Abschaltbedingung (A1) erfüllt ist, wenn das überwachte Zellspannungssignal für eine vorbestimmte Zeitspanne (T) außerhalb eines vorbestimmten zulässigen Spannungsbereichs (Bsoll) liegt.

SAFETY-FOCUSED OUTDOOR BATTERY STORAGE AND POWER CONVERSION CABINET SYSTEM

Resumen de: US20260341877A1

An outdoor energy storage enclosure system employing a multi-layer wall assembly as the primary mechanism for thermal regulation, fire resistance, and moisture management. The multi-layer wall assembly comprises mineral wool insulation, fire-resistant fiber cement sheathing, a fire-retardant vapor barrier, rainscreen furring strips defining a drainage and ventilation gap, and exterior fiber cement siding, creating a non-combustible building-grade envelope adapted for energy storage. A roof assembly incorporates a vented air gap that cooperates with the rainscreen ventilation gap to form a dual-convective thermal dissipation system reducing solar heat gain. The enclosure physically separates a battery compartment from an inverter compartment via an insulated partition with no shared airflow, preventing thermal cross-contamination. Passive ventilation provides direct-to-atmosphere gas venting through a path isolated from wall cavities. Supplemental active thermal management includes a heater and thermostat-controlled fans operating within a passive-first hierarchy. A base structure provides integrated conduit routing for concealed electrical connections and forklift pockets for transport. The enclosure creates an indoor-equivalent environment enabling safe outdoor deployment of indoor-rated battery equipment.

SILICON-BASED ANODE MATERIAL, ANODE STRUCTURE FOR LITHIUM-ION BATTERIES, AND LITHIUM-ION BATTERY

Resumen de: US20260341681A1

A silicon-based anode material, an anode structure for lithium-ion batteries, and a lithium-ion battery are provided. The silicon-based anode material includes a non-metal-doped silicon carbon particle and a metal-doped carbon coating layer. The silicon carbon particle is composed of a mixture of SiOx and carbon, wherein 0=x<1, and a surface thereof is coated with a carbon coating layer doped with metal elements. The metal-doped carbon coating layer can effectively protect the silicon carbon particle and improve the high-temperature cycle life of the silicon-based anode material. In addition, metal doping helps improve the conductivity of material, thereby enhancing the fast-charging performance of lithium-ion batteries. The invention can improve the charging and discharging efficiency and stability of the lithium-ion batteries, and is suitable for high-performance battery applications.

MULTI-FUNCTIONAL FOAM STRUCTURES FOR TRACTION BATTERY PACKS

Resumen de: US20260341884A1

Multi-functional foam structures are provided for use within traction battery packs. An exemplary foam structure may be arranged to partially surround a subgrouping of battery cells of a battery array for providing inter-cell spacing and limiting battery cell movement. In some implementations, the foam structure may include an integrated thermal barrier for additionally limiting the transfer of thermal energy across the battery array and/or between the battery array and an adjacent structure.

Nested Manifold

Resumen de: US20260341835A1

A manifold for distributing a fluid is disclosed. The manifold comprises a first fitting with a first end and a second end. The first end comprises a pipe interface with a first internal diameter, through which a fluid flows. The second end comprises a chamber in which the first internal diameter increases to a second internal diameter. The manifold further comprises a second fitting with an external surface which complements an inner surface of the chamber of the first fitting. A pipe interface with same internal diameter as the pipe interface of the first fitting. Wherein the external surface of the second fitting and the internal surface of the chamber form a distribution channel through which the fluid flows. Wherein the second fitting directs the fluid into the distribution channel.

NEGATIVE ELECTRODE FOR RECHARGEABLE BATTERY AND RECHARGEABLE BATTERY INCLUDING THE NEGATIVE ELECTRODE

Resumen de: US20260341712A1

A negative electrode for a rechargeable battery is formed of a layer containing a network of graphite nanofibers. The layer has a specific surface area of 7 m2/g or more and a porosity of 75 to 90%.

SECONDARY BATTERY

Resumen de: US20260341743A1

A secondary battery disclosed herein includes a case, an electrode body, and an electrolytic solution. The case has a bottom wall, a first side wall, and a second side wall. The first side wall faces a cathode tab of the electrode body in the first direction and extends in a second direction. The second side wall faces an anode tab in the first direction and extends in the second direction. The bottom wall is connected to the bottom ends, in the second direction, of the first and second side walls. An aspect ratio of a length of the case in the first direction to a length of the case in the second direction is 2.0 or higher. When a virtual line passing through the bottom ends of the first and second side walls forms an inclination angle of 45° with respect to the horizontal direction, the electrolytic solution does not come into contact with the cathode and anode tab portions.

COMBINED USE OF INTERPENETRATING AND LAMINATED ELECTRODES FOR LI-ION AND NA-ION BATTERIES

Resumen de: US20260341744A1

A Li-Ion or Na-Ion battery, comprising: a 3-dimensional porous anode current collector having an intermetallic composition or tin electrodeposited thereon for reversibly alloying lithium ions or sodium ions, and a lithium-ion or sodium ion, conducting, electrically insulating, gelled polymer electrolyte covering the intermetallic or tin; a first cathode material deposited on the electrolyte interpenetrating the porous spaces of the 3-dimensional porous anode current collector, forming a 3-dimensional flat structure having a first surface and an opposing second surface; a first electrically conductive layer in electrical communication with the first cathode material and covering the first surface; a second electrically conductive layer in electrical communication with the first cathode material and covering the second surface; a first layer of second cathode material coated onto a first metal current collector and in electrical contact with the first electrically conductive layer; and a second layer of second cathode material coated onto a second metal current collector and in electrical contact with the second electrically conductive layer, is described.

BATTERY MANAGEMENT APPARATUS AND METHOD

Resumen de: US20260336469A1

A battery management apparatus includes a memory and a processor. The processor is configured to store battery usage history information based on battery monitoring information of a battery in a vehicle. The processor is also configured to determine a battery usage pattern based on the battery usage history information. The processor is further configured to determine a user-adaptive battery charge range based on the battery usage pattern. The processor is additionally configured to control charging of the battery based on the user-adaptive battery charge range.

Batterie mit einer Kühlanordnung und Kraftfahrzeug

Nº publicación: DE102025115975A1 29/10/2026

Solicitante:

AUDI AG [DE]
AUDI Aktiengesellschaft

Resumen de: DE102025115975A1

Die Erfindung betrifft eine Batterie (10) für ein Kraftfahrzeug mit einer Kühlanordnung (12) zum Kühlen von Batteriezellen der Batterie (10), wobei die Batterie (10) eine erste Zellgruppe (18) und eine zweite Zellgruppe (20) umfasst, wobei in einer ersten Richtung (y) zwischen zwei Zellreihen (22) der ersten Zellgruppe (18) eine erste Kühlplatteneinheit (26) angeordnet ist, und zwischen zwei Zellreihen (24)) der zweiten Zellgruppe (20) mindestens eine zweite Kühlplatteneinheit (28) angeordnet ist, wobei die Kühlanordnung (12) eine Kühlmittelverteilereinheit (14) umfasst, die zwei Hauptanschlüsse (36,38), mindestens einen ersten und zweiten Verteilervorlaufanschluss (42, 44) und mindestens einen ersten und zweiten Verteilerrücklaufanschluss (50, 52) umfasst, und zwei Kühlmittelkanäle (40, 54) aufweist. Dabei ist die Kühlmittelverteilereinheit (14) als eine sich in einer zweiten Richtung (x) erstreckende Querstrebe (14) ausgebildet, die in der ersten Richtung (y) zwischen der ersten Zellgruppe (18) und der zweiten Zellgruppe (20) angeordnet ist.