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1128
resultados
Última actualización
15/01/2026 [07:25:00]
Resumen de: EP4679535A1
To provide a CNT-containing powder for an electrode, which has an excellent action of improving electrical conductivity when used as an electrically conductive aid for an electrode of a power storage device, a composite for an electrode and an electrode mixture paste capable of obtaining an electrode having excellent electrical conductivity by using the CNT-containing powder for an electrode, and an electrode for a power storage device and a power storage device using the electrode mixture paste. A CNT-containing powder for an electrode including a carbon nanotube (CNT), a dispersant, and water, in which 100 to 200 parts by weight of the dispersant is contained with respect to 100 parts by weight of the CNT, a water content is 10 to 20 wt%, and an index value of volume resistivity is 61% or less. (Index value of volume resistivity = 100 × (volume resistivity of electrode X prepared using CNT-containing powder for electrode)/(volume resistivity of electrode Y prepared using powder obtained by drying CNT-containing powder for electrode to water content of less than 1 wt%))
Resumen de: EP4679617A1
A voltage detection device (20A) includes a plurality of voltage detection terminals (210) and a plurality of voltage detection lines (220) electrically connected to the plurality of voltage detection terminals (210). The voltage detection lines (220) electrically connected to adjacent voltage detection terminals (210) are drawn through a region between the adjacent voltage detection terminals (210).
Resumen de: CN120814105A
An exhaust structure for a battery pack. The present invention relates to a venting structure 100 for a battery pack 10 comprising a plurality of battery modules 12. The vent structure 100 includes a plurality of first tubular members 110 having a first portion 112 connected to a plurality of battery cells of the battery module 12, and a second portion 114 distal from the first portion 112. The first portion 112 is configured to discharge one or more gases from the battery module 12 to the second portion 114 when pressure accumulates within the battery module 12. The vent structure 100 also includes a second tubular member 120 connected to a second portion 114 of each of the first tubular members 110 and having a common outlet 120A. The exhaust structure 100 also includes a third member 130. The third member 130 is connected to a common outlet 120A of the second tubular member 120.
Resumen de: EP4679531A1
A composite lithium manganese iron phosphate positive electrode material, and a preparation method therefor and a use thereof. The composite lithium manganese iron phosphate positive electrode material comprises a lithium iron phosphate core (1), and an iron phosphide intermediate layer (2) and a composite coating layer sequentially stacked on the surface of the lithium iron phosphate core (1), the composite coating layer comprising a lithium manganese iron phosphate material (3) coated with a carbon material (4). A unique structural design enables the positive electrode material to have excellent electrochemical performance.
Resumen de: WO2024211042A2
Disclosed herein is a method comprising mixing a first polymer binder with carbonaceous conductive materials to produce a first blend; adding to the first blend a second polymer binder in a first solvent to produce a second blend; mixing the second blend; adding to the second blend a third polymer binder in a second solvent to produce a third blend; mixing the third blend; adding to the third blend an active material to form an active material composition; and mixing the active material composition.
Resumen de: EP4679603A1
A secondary battery cell according to an embodiment of the present disclosure may include: a case forming an inner space and including an opening on at least one side thereof; an electrode assembly arranged in the inner space and having a negative electrode and a positive electrode alternately stacked with a separator therebetween; a cap plate arranged to cover the opening; and a vent portion that is opened when the inner space reaches a preset pressure range, and includes a base and a notch portion formed in the base, wherein the notch portion satisfies relational expression 1 with the base. 1.2<100*b*c/a<2.9 (a: Thickness of base, b: Width of notch portion, and c: Thickness of notch portion)
Resumen de: EP4679570A1
A secondary battery according to embodiments of the present disclosure comprises: a case; and a stack housed within the case, wherein the stack comprises: a plurality of electrode assemblies; and an insulating barrier structure disposed between the electrode assemblies. Accordingly, thermal transfer between the electrode assemblies is prevented, thereby improving the safety of the secondary battery.
Resumen de: EP4679112A1
A method for predicting the remaining useful life of an energy storage battery online, a device, electronic equipment, storage medium, computer program product and computer program thereof, are disclosed. The method includes: obtaining energy storage battery sampled data corresponding to a plurality of identical sampled energy storage batteries under different sampled depths of charge-discharge respectively to establish a mapping relationship among a capacity degradation rate, cumulative discharge energy, and a depth of charge-discharge corresponding to the energy storage battery according to the energy storage battery sampled data; obtaining single depth of discharge and single cumulative discharge energy of a target energy storage battery in each discharge process from a first discharge to a current moment, and obtaining a single capacity degradation rate and an average single capacity degradation rate of the target energy storage battery by combining the mapping relationship; obtaining a current capacity degradation rate of the target energy storage battery according to the single capacity degradation rate corresponding to each discharge process; and obtaining a preset maximum capacity degradation rate corresponding to the target energy storage battery, and obtaining the remaining useful life of the target energy storage battery by combining the current capacity degradation rate and the average single capacity degradation rate.
Resumen de: EP4679692A1
A vehicle has a controller. The controller has an electrical device assembly. The electrical device assembly includes a first electrical device and a second electrical device. The first electrical device includes a first electrical device body, a first positive electrode connection terminal, and a first negative electrode connection terminal. The second electrical device includes a second electrical device body, a second positive electrode connection terminal, and a second negative electrode connection terminal. The first positive electrode connection terminal and the first negative electrode connection terminal are stacked along a second direction. The second positive electrode connection terminal and the second negative electrode connection terminal are stacked along the second direction. The first positive electrode connection terminal is mated with the second positive electrode connection terminal along a first direction. The first negative electrode connection terminal is mated with the second negative electrode connection terminal along the first direction.
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.
Resumen de: WO2024184371A1
The present invention relates to an electrode composition comprising PTFE and at least one copolymer of maleic anhydride and di-isobutylene, to a method for its preparation and to its use for the manufacture of electrochemical cell components.
Resumen de: CN120814057A
The present invention relates to a binder for a positive electrode of a secondary battery, to a method for preparing said electrode and to the use of said electrode in a secondary battery. The present invention also relates to a secondary battery manufactured by combining the electrodes.
Resumen de: CN120814068A
A cathode active material comprising (A) a core material according to the general formula Li1 + xTM1-xO2, where TM is a combination of Ni with at least two of Mn, Co and Al, and optionally at least one plurality of metals selected from the group consisting of Mg, Ti, Zr, Nb, Ta and W, and x is in the range of-0.05 to + 0.05, and where the nickel content is in the range of 80 to 99 mol-% of TM, and (B) particles of one or more cobalt compounds, wherein at least some of the cobalt is in the oxidation state of + III, (C) a shell comprising an oxide of at least one of B or W, and wherein the core material (A) is a polycrystalline material, the secondary particles of which consist of primary particles, and the particles (B) of the cobalt compound are enriched at the surface of said secondary particles.
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
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.
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.
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.
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.
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.
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.
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 (Li<sub>2</sub>CO<sub>3</sub>). 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 (Na<sub>2</sub>S<sub>2</sub>O<sub>8</sub>), potassium persulfate (K<sub>2</sub>S<sub>2</sub>O<sub>8</sub>), ammonium persulfate (NH<sub>4</sub>)<sub>2</sub>S<sub>2</sub>O<sub>8</sub>, hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>), ozone (O<sub>3</sub>), and/or nitrous oxide (N<sub>2</sub>O).
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.
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.
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.
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.
BOPI
Sede Electrónica
