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Eine Festkörperbatteriezelle für eine elektrische Energiespeicher-Einrichtung eines zumindest teilweise elektrisch betriebenen Kraftfahrzeugs

Resumen de: DE102025135696A1

Die vorliegende Erfindung betrifft eine Festkörperbatteriezelle (10) für eine elektrische Energiespeicher-Einrichtung eines zumindest teilweise elektrisch betriebenen Kraftfahrzeugs, die ein Gehäuse (14) umfasst, wobei innerhalb des Gehäuses (14) eine Jelly-Roll (12) angeordnet ist und wobei die Jelly-Roll (12) mindestens einen Dorn (16) umfasst, dadurch gekennzeichnet, dass der mindestens eine Dorn (16) zumindest teilweise aus einem Polymermaterial besteht und so konfiguriert ist, dass er den Radialdruck (34) auf die Jelly-Roll (12) erhöht, nachdem er in der Nähe des Radialzentrums der Jelly-Roll (12) angeordnet wurde.

Batterie, Verfahren zu deren Betrieb sowie elektrisch angetriebenes Kraftfahrzeug mit einer solchen Batterie

Resumen de: DE102024208565A1

Die Erfindung betrifft ein Verfahren zum Betrieb einer Batterie (4), welche eine Serienschaltung mit Energiespeichereinheiten (8, 8') aufweist, wobei jede der Energiespeichereinheiten (8, 8') aus der Serienschaltung wegschaltbar ist, wobei für jede der Energiespeichereinheiten (8, 8') deren Spannung (Un) und deren maximaler Strom (Imax,n) bestimmt wird, wobei anhand der Spannungen (Un) und anhand der maximalen Ströme der Energiespeichereinheiten (8, 8') eine erste maximale Leistung (Pmax,1) aller in Serie geschalteten Energiespeichereinheiten (8, 8') bestimmt wird, wobei diejenige Energiespeichereinheit (8') mit dem kleinsten maximalen Strom (I-max,n) bestimmt wird, wobei anhand der Spannungen (Un) und anhand der maximalen Ströme (Imax,n) der Energiespeichereinheiten (8) eine zweite maximale Leistung (Pmax,2) für eine Serienschaltung der Energiespeichereinheiten (8) ohne die Energiespeichereinheit (8') mit dem kleinsten maximalen Strom (Imax,n) bestimmt wird, und wobei die Energiespeichereinheit (8') mit dem kleinesten maximalen Strom (Imax,n) aus der Serienschaltung weggeschaltet wird, wenn die zweite maximale Leistung (Pmax,2) größer als die erste maximale Leistung (Pmax,1) ist. Des Weiteren betrifft die Erfindung eine solche Batterie (4) sowie ein Kraftfahrzeug (2) mit einer solchen Batterie (4).

KONDENSATORGESTÜTZTER STROMABNEHMER

Resumen de: DE102024132136A1

Eine Batterie für ein Fahrzeugbatteriepack, ein kondensatorgestützter Stromabnehmer und ein Verfahren werden bereitgestellt. Das Fahrzeugbatteriepack umfasst ein Batteriepackgehäuse und zumindest eine Fahrzeugbatteriezelle, die von dem Batteriepackgehäuse getragen wird. Die zumindest eine Fahrzeugbatteriezelle umfasst eine Kathode, eine Anode, einen Separator und einen Elektrolyten. Die zumindest eine Fahrzeugbatteriezelle umfasst ferner einen Stromabnehmer und eine multifunktionale Überzugsschicht, die auf zumindest einer Seite des Stromabnehmers angeordnet und angehaftet ist. Die multifunktionale Überzugsschicht ist ausgebildet, eine Schnellladefähigkeit für das Fahrzeugbatteriepack bereitzustellen. Die multifunktionale Überzugsschicht umfasst ein Kondensatormaterial, das ausgebildet ist, eine gepulste und kontinuierliche Laderatenfähigkeit zu steigern, einen leitfähigen Füllstoff, der ausgebildet ist, eine elektrische Leitfähigkeit bereitzustellen, und ein Bindemittel, das ausgebildet ist, eine Haftfähigkeit zwischen der multifunktionalen Überzugsschicht und dem Stromabnehmer bereitzustellen.

BONDING STRUCTURE, BONDING METHOD, INSULATING ADHESIVE TAPE, AND BATTERY

Resumen de: US20260074400A1

The present disclosure provides a bonding structure, a bonding method, an insulating adhesive tape, and a battery. The insulating adhesive tape includes a first bonding area and a second bonding area disposed at intervals, and a non-bonding area disposed between the first bonding area and the second bonding area. The first bonding area is configured to bond a cell, the second bonding area is configured to bond a welding area formed by a tab of the cell and a current collector, and the non-bonding area is configured to correspond to a bending area of the tab.

SEALED ARRAY-TO-ARRAY BUSBAR ASSEMBLIES

Resumen de: US20260074380A1

Sealed busbar assemblies are provided for use within traction battery packs. An exemplary sealed busbar assembly may be configured to electrically connect a first battery array and a second battery array of the traction battery pack. Primary seals and secondary seals of the sealed busbar assembly may cooperate to seal high voltage connections relative to both the first battery array and the second battery array. The high voltage connections may be established by the busbar, a pair of fasteners, and high voltage array busbars of both the first battery array and the second battery array.

BATTERY PACK

Resumen de: US20260074360A1

A battery pack for housing a plurality of cell assemblies includes a pack case providing a space for a cell assembly to be seated. The pack case includes: a base plate supporting the lower part of a cell assembly; and a hollow-structured side wall coupled along a border of the base plate to support a side part of the cell assembly. The side wall includes: a gas flow path through which gas can move therein; and a through-hole formed on the gas flow path such that the gas flow path communicates with a space in the pack case, the side wall being coated with a protective layer including at least one among an insulating material and a flame retardant on the inside.

Electrical storage device and method of detecting impact load input to electrical storage device

Resumen de: AU2025220722A1

ELECTRICAL STORAGE DEVICE AND METHOD OF DETECTING IMPACT LOAD INPUT TO ELECTRICAL STORAGE DEVICE An electrical storage device includes a plurality of battery cells; a battery case that houses the battery cells; and an impact detection unit which is disposed relative to a wall portion configuring a part of the battery case, the impact detection unit includes conductive members that are disposed so as to overlap with the battery cells as viewed from a predetermined direction and that have a predetermined voltage applied to them, and the impact detection unit includes a cover that is made of an insulator and that covers parts of the conductive members which overlap with the wall portion and parts of the conductive members which overlap with the battery cells as viewed from the predetermined direction. ELECTRICAL STORAGE DEVICE AND METHOD OF DETECTING IMPACT LOAD INPUT TO ELECTRICAL STORAGE DEVICE An electrical storage device includes a plurality of battery cells; a battery case that houses the battery cells; and an impact detection unit which is disposed relative to a wall portion configuring a part of the battery case, the impact detection unit includes conductive members that are disposed so as to overlap with the battery cells as viewed from a predetermined direction and that have a predetermined voltage applied to them, and the impact detection unit includes a cover that is made of an insulator and that covers parts of the conductive members which overlap with the wall porti

POWER UNIT COMPRISING DISTINCT DROPLETS SEPARATED BY AN AMPHIPHILIC MEMBRANE

Resumen de: AU2024330955A1

The invention relates to a power unit comprising a series of droplets, a method of producing such a power unit, a method of activating such a power unit, an active power unit obtainable from the power unit, a device comprising the power unit or active power unit, a method of generating electric current using the power unit or active power unit, and method of modulating the activities of one or more cells or tissues using the power unit or active power unit.

NON-AQUEOUS ELECTROLYTE AND BATTERIES CONTAINING THE SAME

Resumen de: AU2024333643A1

A. non-aqueous electrolyte for a lithium-ion cell includes a base electrolyte consisting of lithium hexafluorophosphate or lithium bis(tluorosulfonyl)imide or a combination thereof in methyl propionate; about 2 to about 15 parts by weight, preferably about 6 to about 15 parts by weight of vinylene carbonate; and about 0.5 to about 5 parts by weight, preferably about 2. to about 5 parts by weight of an additive comprising lithium difluorophosphate, lithium difluoro(oxalate)borate, lithium bis(oxalate)borate, or a combination thereof, wherein the content of the vinylene carbonate and. the additive are each based on a total weight of the base electrolyte, the vinylene carbonate, and the additives.

SYSTEM FOR REDUCING BATTERY CELL FAILURE PROPAGATION RISK OF A RECHARGEABLE BATTERY

Resumen de: AU2024330648A1

Aspects of the present disclosure include systems, apparatuses, or methods for a system for reducing battery cell failure propagation risk includes a rechargeable battery including a plurality of rechargeable cells connected in series, parallel, or a combination of series and parallel and a BMS coupled with the batter-. The BMS includes a processor and a memory including computer-executable instructions to receive information indicative of a status of each of the rechargeable cells: determine that a particular rechargeable cell is likely in a failure condition; identify a group of rechargeable cells that is in within one hop of tire rechargeable cell that is likely in the failure condition; couple the group of rechargeable cells to a discharging system without coupling the rechargeable cell in the failure condition to the discharging system; and discharge the group of rechargeable cells to a target SOC.

DEVICE, METHOD AND SYSTEM FOR ATTATCHING SECONDERY BATTERY TAPE

Resumen de: US20260074262A1

A tape attaching device including: a lower support structure to support a cylindrical electrode assembly; a plurality of compression jigs to bend an insulating tape attached to a side surface of the electrode assembly and protruding in a height direction along a circumference of an upper surface of the electrode assembly, and attach the insulating tape to the upper surface of the electrode assembly; a pressing device to flatten the upper surface of the electrode assembly to which the insulating tape is attached; and a controller to control the compression jigs and the pressing device.

MODIFIED SOLID ELECTROLYTE, PREPARATION METHOD THEREOF, SOLID-STATE BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260074301A1

A modified solid electrolyte, a preparation method thereof, a solid-state battery, and an electric apparatus are disclosed. Components of the modified solid electrolyte include a solid electrolyte substrate and a phase-transforming toughening agent dispersed within the solid electrolyte substrate; and in the modified solid electrolyte, the phase-transforming toughening agent is primarily dispersed at grain boundaries of the solid electrolyte; where the phase-transforming toughening agent is capable of phase transformation under the action of an external force.

Adhesive Solid Electrolyte Interphase via Direct Contact Formation

Resumen de: US20260074300A1

A structure for electrochemical cells includes a conductive sheet, a layer of conductive nanomaterial, such as carbon nanotubes, on the sheet's surface, and a dry, ionically conductive adhesive, comprising a solid electrolyte interphase (SEI), binding the nanomaterial. A method forms the structure by coating a conductor with the nanomaterial, wetting it with an electrolyte solution, and decomposing the electrolyte, often via electrode contact, to create the SEI. The SEI enhances mechanical resilience and uniform lithium plating, reducing safety risks in lithium-metal batteries. The scalable process simplifies electrode fabrication, supporting high-performance, durable anodes for electrochemical applications.

ELECTRICITY STORAGE DEVICE

Resumen de: US20260074298A1

The present disclosure provides a technique for making an electrolytic solution efficiently osmose into an electrode assembly. A herein disclosed electricity storage device includes a case having a liquid injection part, an electrode assembly, a resin film surrounding the electrode assembly, and an electrolytic solution. The case includes a bottom wall, an upper wall, and a first side wall. The liquid injection part is provided at a position closer to the upper wall of the first side wall. The resin film includes a first end part extending from one side in a predetermined direction to cover a part of a bottom part of the electrode assembly, and includes a second end part extending along the predetermined direction from a direction different from the first end part. A part of the second end part is stacked at the bottom wall side of the case with respect to the first end part.

Electrode Assembly, and Battery Cell and Power Source Including the Same

Resumen de: US20260074296A1

An electrode assembly, and a battery cell and a power source including the same are provided. The electrode assembly includes a first electrode plate wound about a winding axis and including a first uncoated portion without a first electrode active material coated thereon, a second electrode plate wound about the winding axis and including a second uncoated portion without a second electrode active material coated thereon, a separator disposed between the first electrode plate and the second electrode plate, and a plurality of segments formed on at least one of the first uncoated portion or the second uncoated portion. The plurality of segments are arranged such that at least one bottom angle is changed in a winding direction.

BATTERY ASSEMBLY AND BATTERY SYSTEM INCLUDING THE SAME

Resumen de: US20260074405A1

A battery assembly including a case having an accommodation space formed therein; a plurality of cells positioned in the accommodation space and aligned in one direction; a plurality of sensors configured to measure at least one of voltage or temperature of at least some of the cells; a fire extinguishing pipe connected to a fire extinguishing device, at least a part of the fire extinguishing pipe being positioned in the accommodation space; a heating member positioned adjacent to the fire extinguishing pipe; and a controller configured to control a power source to apply current to the heating member based on information associated with the cells received from the sensors.

SECONDARY BATTERY WITH SHORTENED ELECTROLYTE IMPREGNATION PATH AND MANUFACTURING METHOD THEREOF

Resumen de: US20260074403A1

A secondary battery, including an electrode assembly including a plurality of electrode plates, a battery can accommodating the electrode assembly, the battery can having a first surface corresponding to a side portion of the electrode assembly and a second surface corresponding to a surface of one of the plurality of electrode plates of the electrode assembly, and at least one injection hole in the second surface of the battery can.

ELECTRODE OUTPUT COMPONENT, COVER PLATE ASSEMBLY, AND BATTERY CELL

Resumen de: US20260074386A1

An electrode output component, a cover plate assembly, and a battery cell are provided. The electrode output component includes a pole and a terminal. An outer peripheral surface of the pole is provided with an abutting portion. The terminal includes a first through hole. The first through hole is sleeved on one end of the pole and abuts against the abutting portion along an axial direction of the pole. A contact portion between the pole and the terminal are engaged with each other.

Battery Cell, Battery Pack Including Battery Cell, and Vehicle Including Battery Pack

Resumen de: US20260074389A1

Disclosed is a battery cell, which includes an electrode assembly having a cell body and an electrode tab extending from the cell body; a cell case having an accommodation portion configured to accommodate the electrode assembly and a circumferential portion extending outward from the accommodation portion; an electrode lead electrically coupled to the electrode tab; and a conductive frame disposed on a first surface of the circumferential portion and electrically coupled to the electrode lead through the first surface of the circumferential portion.

DOUBLE-SEALED BATTERY TOP COVER ASSEMBLY

Resumen de: US20260074404A1

A double-sealed battery top cover assembly, which includes an upper cover, a terminal post, a sealing ring, an upper insulating part, a riveting block, and a sealant. The bottom of the terminal post is provided with a mounting plate, the upper insulating part is arranged between the upper cover and the riveting block, the upper insulating part is provided with a flow guiding groove communicated with a clearance space, the riveting block is provided with a filling port communicated with the flow guiding groove, and the sealant and the sealing ring form a double seal for the clearance space. Through a double seal function of the sealing ring and the sealant, electrolyte leakage in a short-circuit test is avoided.

RECOVERING METAL VALUES FROM COMPLEX CONCENTRATES

Resumen de: AU2024334802A1

Complex materials which contain a mix of metals are processed to recover valuable metals present where the materials are roasted under conditions in which the metals form compounds that can be dissolved in dilute acid and/or water and/or ammonia containing alkaline solutions from which the metals can be recovered as marketable products while leaving unwanted impurity elements such as arsenic and radionuclides in an inert residue for disposal.

Electrode Assembly Comprising Adhesive on Separator Sheet and Apparatus and Method for Manufacturing the Same

Resumen de: US20260074294A1

An apparatus for manufacturing an electrode assembly includes a separator supply unit, table, separator guide, first adhesive supply unit, and pair of tensioners. The separator supply unit is configured for supplying a separator sheet from which a separator is formed. The table is configured for supporting electrodes and sections of the separator sheet. The separator guide is configured for guiding the separator sheet to fold in a particular folding direction. The first adhesive supply unit is configured for applying an adhesive to portions of the separator sheet and the electrodes supported by the table. The pair of tensioners are each configured for pressing an uppermost section of the separator sheet guided by the separator guide against the table or against a placed electrode that directly underlies the uppermost section. The electrode assembly is manufactured by a process using the apparatus.

ELECTRODE ASSEMBLY FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US20260074295A1

An electrode assembly for a secondary battery includes a first electrode plate with a first electrode pattern part, the first electrode pattern part including a plurality of patterns, a second electrode plate with a second electrode pattern part, the second electrode being stacked on at least one surface of the first electrode plate, and the second electrode pattern part including a plurality of patterns corresponding to positions and shapes of the plurality of patterns of the first electrode pattern part, and a separator between the first electrode plate and the second electrode plate.

Nonflammable Electrolytes For Potassium Batteries

Resumen de: US20260074290A1

An electrolyte, comprising: an amount of potassium hexafluorophosphate; at least one cyclic carbonate, the at least one cyclic carbonate optionally comprising at least one of ethylene carbonate and propylene carbonate; and at least one organic phosphate, the at least one organic phosphate optionally comprising at least one of trimethyl phosphate and triethyl phosphate. An electrical cell, comprising: the electrolyte according to the present disclosure, and an electrode, the electrode contacting the electrolyte. A method, comprising: any one or more of separating, disposing, or at least partially neutralizing any one or more of HF, HPO2F2, H2PO3F, an organofluorophosphate, a monofluorophosphate, an organophosphate, and a phosphonate evolved from operating an electrical cell that includes as an electrolyte any one or more of LiPF6, NaPF6, and KPF6.

NON-AQUEOUS SOLVENT ELECTROLYTE FORMULATIONS FOR ENERGY STORAGE DEVICES

Nº publicación: US20260074293A1 12/03/2026

Solicitante:

TESLA INC [US]
Tesla, Inc

Resumen de: US20260074293A1

Provided herein are improved electrolyte formulations. The improved performance may be realized as improved discharge rate cycling, improved capacity, improved Coulombic efficiency, or improved capacity upon cycling.