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ALKALINE ELECTROCHEMICAL CELLS COMPRISING INCREASED ZINC OXIDE LEVELS AND HIGH VALENT NICKEL CATHODES

Resumen de: US20260018591A1

Alkaline electrochemical cells are provided, wherein runtime and performance are increased by preventing zinc oxide reaction precipitate from creating a conductive bridge between the two electrodes. The alkaline electrochemical cell comprises a nickel material in the cathode, and solid zinc oxide particles in the anode.

BATTERIES CONTAINING TRANSITION METAL CHLORIDES

Resumen de: US20260018590A1

Disclosed is a battery having a positive electrode, a negative electrode, and an electrolyte. At least one of the positive electrode and the negative electrode contains a lithium or sodium compound of A2MCl4, in which A is Li or Na and M is Ti, V, Cr, Mn, Fe, or Co. The electrolyte has a salt concentration of at least 3 mol/L.

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SODIUM-ION SECONDARY BATTERY

Resumen de: US20260018592A1

Provided is a negative electrode active material for a sodium-ion secondary battery that exhibits stable battery characteristics when repeatedly charged and discharged. A negative electrode active material for a sodium-ion secondary battery contains: an amorphous phase containing SiO2 and a Fe—Sn-based alloy.

METHOD FOR ASSEMBLING COMPOSITE POLE OF CELL WITHOUT TOP COVER

Resumen de: EP4679616A1

The present application discloses a method for assembling a composite pole of a cell without a top cover. The method comprises the following assembly steps: 1) providing a fixing ring, arranging a composite pole in a fixing area in a penetrating mode, and enabling a rubber injection opening to be communicated with a rubber-coated area; 2) injecting rubber into the rubber-coated area through the rubber injection opening to form a rubber-coated ring, 3) providing an annular plate, inserting a pole fixing body into a mounting hole, the pole fixing body downwardly abutting against a sealing ring, and fixedly connecting the fixing ring to the annular plate; and 4) fixing a lower plastic member at the bottom of the annular plate. A fixing ring and a composite pole are integrated into one by means of a rubber-coated ring to form an independent component, i.e., a pole fixing body, and after the pole fixing body is mounted on an annular plate, the periphery of the pole fixing body is protected and isolated by means of a lower plastic member. The structure assembly mode is simple, and the costs are low. The problem of complex assembly in the process of assembling a composite pole of a cell without a top cover is solved.

SYSTEMS, APPARATUSES, AND METHODS FOR DETERMINING QUANTITIES OF MULTIPLE VAPORS USING A SINGLE SENSOR

Resumen de: EP4679070A1

Embodiments of the present disclosure provide systems, apparatuses, and methods for determining quantities of multiple vapors using a single sensor. In one embodiment, a method includes determining, by one or more processors an impedance of a sensing element; determining, by the one or more processors, a capacitance of the sensing element; and determining, by the one or more processors and based at least in part on (i) the impedance of the sensing element and (ii) the capacitance of the sensing element, (a) a quantity of a first vapor that has reacted with the sensing element and (b) a quantity of a second vapor that has reacted with the sensing element.

BATTERY CHARGING SYSTEM FOR CHARGING AN ENERGY STORAGE DEVICE BASED ON USAGE INFORMATION

Resumen de: EP4679668A1

A battery charging system comprises power conversion circuitry configured to convert input power to charging power; communications circuitry configured to access usage information from a management system of an energy storage device, the usage information comprising a plurality of charging periods and a plurality of discharging periods of the energy storage device; and control circuitry configured to: predict an available charging period based on the usage information; determine a target state of charge of the energy storage device based on the usage information; determine a charging curve configured to charge the energy storage device to the target state of charge by an end time of the available charging period; and control the power conversion circuitry to charge the energy storage device using the charging curve.

LITHIUM ION SECONDARY BATTERY ELECTROLYTE AND APPLICATION THEREOF

Resumen de: EP4679554A2

A lithium ion secondary battery electrolyte and an application thereof are provided. The electrolyte includes a non-aqueous solvent, a lithium salt, and an additive including a compound represented by any one of Formulas (I)-(III):orwhere R₁, R₂, R₃, R₄, R₅, R₆, and R₇ are each substituents with 1-3 carbon atoms, 0-3 heteroatoms, and unsaturation of 0-4, R₈ is a cyclic substituent with unsaturation of 0-4, and with 0-5 heteroatoms, R₉ is vinyl, allyl, butenyl, 1,3-butadienyl, ethynyl, propynyl when the unsaturation of R₈ is 0, the R₉ substituent does not exist when the unsaturation of R₈ is 1-4, the heteroatoms are selected from at least one of nitrogen, fluorine, and oxygen, and n is 0-2. The lithium ion secondary battery electrolyte and the application may prevent the dissolution of transition metal ions on the positive electrode, improve initial kinetics and gas generation issues, and enhance performance.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4679510A1

The present application belongs to the technical field of batteries, and provides a battery cell (20), a battery, and an electric device. The battery cell (20) includes a positive electrode sheet (25), a negative electrode sheet (26), and a separator (27). The positive electrode sheet (25) includes a positive electrode active material area (251); the negative electrode sheet (26) includes a negative electrode active material area (261); the negative electrode sheet (26) and the positive electrode sheet (25) are stacked along a first direction; the separator (27) is located between any adjacent positive electrode sheet (25) and negative electrode sheet (26); and a projection of the negative electrode sheet (26) on a first plane (28) perpendicular to the first direction completely falls within the range of a projection of the positive electrode sheet (25) on the first plane (28), and a projection of the positive electrode active material area (251) on the first plane (28) falls within the range of a projection of the negative electrode active material area (261) on the first plane (28).

TEMPERATURE CONTROL DEVICE AND CONTROL METHOD THEREOF, COMPUTER STORAGE MEDIUM, AND HEATING AND VENTILATION DEVICE

Resumen de: EP4679567A1

Provided is a temperature control device and a control method therefor, a computer storage medium, and a heating and ventilation device. The control method includes: controlling a refrigerant main path to be in communication with a second refrigerant branch; obtaining an outlet temperature of a cooling liquid main path; and controlling the cooling liquid main path to be in communication with a second cooling liquid branch in response to the outlet temperature being greater than a first set value. According to the control method of the present disclosure, a refrigeration unit is controlled to operate, and the refrigerant main path is controlled to be in communication with the second refrigerant branch, to store cooling capacity in a cold storage device. When a battery pack has a cooling capacity demand, the cooling liquid main path is controlled to be in communication with the second cooling liquid branch, to transport the cooling capacity stored in the cold storage device to the battery pack through the second cooling liquid branch and the cooling liquid main path, to make up for insufficient cooling supply in an initial startup stage of a compressor and satisfy the cooling capacity demand of the battery pack.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4679608A1

The present application discloses a battery cell, a battery, and an electric apparatus. The battery cell includes a housing, an electrode assembly, and an insulator. The housing has a mounting cavity; the electrode assembly is disposed in the mounting cavity; the insulator includes a buffer body and an insulating body that are disposed in the mounting cavity, the insulating body enveloping the electrode assembly, and the buffer body being located between the electrode assembly and the housing; and the buffer body and the insulating body are connected to form an integral structure. This integral structure can be directly assembled with the electrode assembly to achieve envelopment of the electrode assembly, which eliminates the step of separately assembling the buffer body, reduces the number of assembly steps and the number of assembled components, and facilitates the improvement of assembly efficiency of the battery cell. Additionally, fewer assembly steps facilitate automated production, enhancing the production efficiency of the battery cell.

SINGLE BATTERY

Resumen de: EP4679612A1

The present application relates to the technical field of batteries, and discloses a single battery, comprising battery cells, a top cover, and connection members. Tabs extend out from one end of each battery cell; the top cover comprises conductive terminals; the connection members each comprise a base body and a thinned region, and the thickness of the thinned region is smaller than that of the base body; the conductive terminals are welded to the thinned regions; and the tabs are welded to the base bodies. The connection members are connected to the conductive terminals by means of the thinned regions, and are connected to the tabs by means of the base bodies. The thickness of the base bodies does not affect the welding between the thinned regions and the conductive terminals. Therefore, the structure and thickness of the thinned regions can be rationally configured according to welding requirements. The thickness of the base bodies is rationally configured according to current passing requirements, thereby avoiding the effect of the increase in the current passing area of the connection members on the yield of welding between the connection members and the conductive terminals. In addition, the thinned regions realize the reduction of local thickness, thereby reducing the amount of a material, facilitating the reduction of the material cost, reducing the weight, facilitating the improvement of the weight energy density of single batteries, and implementing high-energy-den

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

Resumen de: EP4679619A1

An electrochemical apparatus includes a housing, an electrode assembly, and an insulating sleeve. The electrode assembly is a wound structure, where a first electrode plate of the electrode assembly includes a current collector and a tab. The current collector includes a first side and a second side oppositely disposed in a first direction. The tab includes a first connection region connected to the first side and a second connection region connected to the first connection region. The electrode assembly includes a first end face and a second end face oppositely disposed in the first direction, where the second connection region forms the first end face. The insulating sleeve includes a first region and a second region integrally connected. The first region covers the first connection region, and the second region is disposed on the second connection region and has a first opening. The electrode assembly includes a first portion and a second portion connected in a second direction, where the first portion includes the first connection region, and the second portion is separated from the insulating sleeve. A width of the first portion is less than a width of the second portion. An electronic apparatus is further provided. This application can improve the reliability and service life of the electrochemical apparatus.

HOLDING MECHANISM FOR ELECTRODE LAMINATE

Resumen de: EP4679543A1

A holding structure (1) for a laminated body (10) includes the laminated body (10) in which a plurality of electrodes are laminated, and a holder (40) that holds the laminated body (10) to fix the plurality of electrodes to one another. The holder (40) includes an upper cover (50) that covers an upper surface (10a) of the laminated body (10) and covers left and right side-surfaces (10c, 10d) of the laminated body (10), and a lower cover (60) that covers a lower surface (10b) of the laminated body (10) and covers the left and right side-surfaces (10c, 10d) of the laminated body (10). The upper cover (50) and the lower cover (60) are joined together on the left and right side-surfaces (10c, 10d) of the laminated body (10).

VOLTAGE LEVEL TRANSLATOR AND BATTERY SYSTEM

Resumen de: EP4679775A1

The present invention relates to a voltage level translator device (100) for a data bus (19), comprising: a first data bus terminal (8), a first supply voltage terminal (6), a first reference voltage terminal (7), a second data bus terminal (11), a second supply voltage terminal (9) and a second reference voltage terminal (10), a first transceiver unit (14) comprising a transmit line terminal (14.4) and a receive line terminal (14.5), wherein the first transceiver unit (14) is powered via the first supply voltage terminal (6) and the first reference voltage terminal (7) and is connected to the first data bus terminal (8), a first galvanically isolated signal transmission unit (16) connected to the transmit line terminal (14.4) of the first transceiver unit (14), a second galvanically isolated signal transmission unit (17) connected to the receive line terminal (14.5) of the first transceiver unit (14), a second transceiver unit (15) comprising a transmit line terminal (15.4) and a receive line terminal (15.5), wherein the second transceiver unit (15) is powered via the second supply voltage terminal (9) and the second reference voltage terminal (10) and is connected to the second data bus terminal (11), and a translation unit (18) comprising a first transmit line terminal (18.3) connected to the first galvanically isolated signal transmission unit (16), a first receive line terminal (18.4) connected to the second galvanically isolated signal transmission unit (17), a second t

METHOD FOR DETERMINING A STATE OF HEALTH, SOH, OF AN ENERGY STORAGE MODULE, A CONTROL UNIT AND AN ARRANGEMENT

Resumen de: EP4679113A1

There is disclosed herein a method for determining SoH of an energy storage module (22) of an energy storage system (20) of an arrangement (1). The energy storage system is connected to an alternating current, AC, power grid (2) through a multilevel modular converter, MMC (10) of the arrangement. The method comprises controlling the MMC to generate a circulating current with a pulse pattern having different levels and that circulates through the energy storage modules, measuring a module voltage over and a module current through each energy storage module, determining an individual module resistance for each energy storage module based on the respective module voltage and the respective module current at the different levels in the pulse pattern, and determining a SoH for each energy storage module based on the individual module resistance. There is further disclosed herein a control unit (50) and an arrangement.

WARNING SYSTEM FOR PROVIDING A WARNING INDICATING A THERMAL RUNAWAY

Resumen de: EP4679557A1

A warning system for providing a warning indicating a thermal runaway of a battery device, the warning system comprising an electromechanical switch configured to be operatively connected to a pressure actuatable device of the battery device such that actuation of the pressure actuatable device causes activation of the electromechanical switch, and an electric conduit connected to the electromechanical switch and configured to be connected to an indicating device for providing an indication of thermal runaway of the battery device.

APPROACHES FOR ENERGY EXCHANGE

Resumen de: EP4678453A1

An arrangement for a vehicle is disclosed, comprising an energy exchange device configured to form a temperature exchange connection between the vehicle and a piece of equipment which is external to the vehicle, and to cause temperature increase of a battery system of the piece of equipment by transferring heat from the vehicle to the piece of equipment via the temperature exchange connection.A computer system is disclosed, implementing a remote vehicle selection function. The computer system comprises processing circuitry configured to select a vehicle from a plurality of available vehicles (each comprising an arrangement as disclosed), and transmit a control signal to the selected vehicle to trigger formation of the temperature exchange connection, and/or transfer of heat from the selected vehicle to the piece of equipment via the temperature exchange connection.Corresponding vehicle, method, computer program product, and computer-readable storage medium are also disclosed.

HEATING ELEMENT COMPRISING A PTC CERAMIC LAYER, ELECTRIC HEATER COMPRISING THE HEATING ELEMENT, AND METHODS FOR MANUFACTURING THE SAME

Resumen de: EP4679937A1

The invention relates to a method for manufacturing a heating element (10, 110, 210, 310, 410) for an electric heater (1), the method comprising the following steps:- a coating step comprising coating a substrate (20) with an electrically insulating ceramic layer (30); and- a depositing step comprising depositing, on the electrically insulating ceramic layer (30), a PTC ceramic layer (40) and electrically conductive traces (50), wherein the electrically conductive traces (50) comprise at least one positive trace (51, 53) and at least one negative trace (52, 54), the positive trace (51, 53) and the negative trace (52, 54) being arranged in a spaced apart manner such that an electrical current may flow from the positive trace (51, 53) to the negative trace (52, 54) through the PTC ceramic layer (40).The invention further relates to a method for manufacturing an electric heater, and to the products obtained by the methods.

STEEL TAILOR WELDED BLANK STAMPED BATTERY TRAY

Resumen de: US2024391330A1

An apparatus for containing a portion of a vehicle battery assembly incudes a tray. The tray is configured to receive the portion of the vehicle battery assembly. The tray defines a floor, a front wall, a rear wall, and a pair of sidewalls extending from the front wall to the rear wall. The tray includes a first steel material and a second steel material. The first steel material is joined with the second steel material to form a single contiguous part. The first steel material defines a substantial majority of the floor. The second steel material is disposed at two or more corners of the tray.

METHOD FOR PROCESSING AND/OR RECYCLING BLACK MASS, BLACK MASS, AND THE USE THEREOF

Resumen de: WO2024183865A1

The invention relates to a method for processing and/or recycling black mass, comprising the following steps: a) providing a metal-free black mass; b) treating the metal-free black mass with a metal salt in order to obtain a black mass having a predetermined metal- and/or metal-oxide content; and/or c) adding a promotor element which is selected from the group consisting of N, P, S and/or B, to the metal-free black mass or to the black mass having the predetermined metal- and/or metal-oxide content. The invention also relates to a black mass which is obtained according to the method, and to its use as an electrode material, electrochemical catalyst, or as a heterogeneous catalyst.

SYSTEMS AND METHODS FOR THE RECYCLING OF LITHIUM FROM BATTERY WASTE

Resumen de: MX2025010257A

Embodiments described herein relate to recycling of spent lithium battery material. In some aspects, a method can include suspending a lithium source in a solvent containing an oxidation reagent to extract lithium, forming an extracted lithium solution, separating the extracted lithium solution from residual solids of a lithium source, purifying the extracted lithium solution by precipitating and filtering impurities, and precipitating the lithium in the purified lithium solution to generate lithium carbonate (Li₂CO₃). In some embodiments, the method can further include preprocessing the lithium source to improve kinetics of the lithium extraction. In some embodiments, the preprocessing can include a cutting or shredding step to downsize the lithium source. In some embodiments, the lithium source can include lithium-ion battery waste. In some embodiments, the oxidation reagent can include sodium persulfate (Na₂S₂O₈), potassium persulfate (K₂S₂O₈), ammonium persulfate (NH₄)₂S₂O₈, hydrogen peroxide (H₂O₂), ozone (O₃), and/or nitrous oxide (N₂O).

THERMAL SHIELDING DEVICE, MATERIALS, AND METHODS THEREOF

Resumen de: WO2024191620A1

The teachings herein relate to thermal shielding devices for reducing and/or delaying heating of a region near a heat source. The thermal shielding device includes a polymeric core layer interposed between metal layers and a barrier layer. Preferably, the barrier layer provides a thermal barrier, an electrical barrier or both.

DIRECT REGENERATION OF SPENT LITHIUM ELECTRODES VIA HEAT TREATMENT

Resumen de: US2024304882A1

Embodiments described herein relate to regeneration of lithium-deficient electrodes (e.g., lithium iron phosphate, LFP). The process includes multiple steps of heat treatment. The first step includes mixing spent electrode material with lithium carbonate. The lithium carbonate and the spent LFP are then subject to a heating process in an all-nitrogen environment. The first heat treatment brings the materials up to about 550° C. to remove excess water and oxygen. The second heat treatment brings the materials up to about 1,000° C., where they are sintered together to form a like-new electrode material.

TRANSPORT UNIT AND METHOD FOR PROVIDING A BATTERY MATERIAL FOR BATTERY MANUFACTURE, MANUFACTURING UNIT, AND MANUFACTURING SYSTEM

Resumen de: WO2024183859A1

The invention relates to a transport unit (100, 100', 120) for providing a battery material (102, 102', 122) for battery manufacture, comprising a housing (104, 124) that can be sealed in a fluid-tight manner, an interior space (106, 134) formed within the housing (104, 124) for the arrangement of the battery material (102, 102', 122), and also a handling interface (108, 136) for loading battery material (102, 102', 122) into and unloading it from the interior space (106, 134), wherein the handling interface (108, 136) is arranged and designed to couple the transport unit (100, 100', 120) to a manufacturing unit designed for battery manufacture, in such a way that a battery material (102, 102', 122) arranged within the interior space (106, 134) can be removed, irrespective of an atmosphere surrounding the transport unit (100, 100', 120), in order to be provided to the manufacturing unit.

BLOCK OF BATTERY CELLS, IN PARTICULAR FOR A MOTOR VEHICLE

Nº publicación: EP4677673A1 14/01/2026

Solicitante:

AMPERE SAS [FR]
Ampere SAS

Resumen de: WO2024184606A1

This block (10) of battery cells comprises, juxtaposed with one another, a plurality of flexible accumulators (1) each comprising two tabs each placed in the plane and on an opposite side of said accumulator and forming its electrical poles. Said block (10) further comprises: - a plurality of pairs of stacked fastening elements (13) each comprising a first fastening element (14) bearing a first tab (15) of an accumulator, and a second fastening element (16) bearing a second tab (17) of said accumulator, said pair of fastening elements being intended to keep in contact with pressure said tabs against an adjacent pair of fastening elements and to form electrical connections with said tabs, - layers (11) comprising an electrically insulating material placed between each pair of adjacent accumulators, and - removable fastening means allowing the fastening elements (13) to be removably fastened.