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1313
resultados
Última actualización
13/08/2025 [07:30:00]
Resultados 550 a 575 de 1313
Resumen de: EP4597624A1
The present invention relates to a positive electrode active material for a lithium rechargeable battery, which is a lithium transition metal oxide containing nickel (Ni) and manganese (Mn), wherein the lithium transition metal oxide may be a single particle and has a crystal defect rate of less than 3%.
Resumen de: EP4597608A1
A disclosed positive electrode is a positive electrode for a nonaqueous electrolyte secondary battery. The positive electrode includes a positive electrode current collector and a positive electrode mixture layer disposed on the positive electrode current collector. The positive electrode mixture layer contains active material particles having an average particle diameter less than 5 µm, a conductive material, a dispersant, and a binder. The active material particles include composite oxide particles and a surface modification layer formed on surfaces of the composite oxide particles and containing a boron compound. The composite oxide particles are particles of a lithium transition metal composite oxide. The conductive material includes a carbon material. The dispersant includes nitrile group-containing rubber. The binder includes a fluorine-containing polymer.
Resumen de: EP4596731A1
Provided is a method which makes it possible to suppress wear of a treatment furnace, and to safely and efficiently collect valuable metals from raw materials including waste lithium-ion batteries and the like. This method is for producing a valuable metal from a raw material including the valuable metal and comprises: a preparation step for preparing a raw material including at least lithium (Li), aluminum (Al), and a valuable metal; a reduction melting step for subjecting the raw material to a reduction melting treatment to obtain a reduced product including a slag and an alloy containing the valuable metal; and a slag separation step for separating the slag from the reduced product to collect the alloy. The preparation step and/or the reduction melting step include adding, to the raw material, a flux containing calcium (Ca), and also adding thereto magnesia (MgO) .
Resumen de: EP4597652A1
A power storage device (10) comprises: a positive electrode (21) in which a positive electrode active material layer (21b) is formed on a first surface (21a1) of a positive electrode collector (21a); and a sealing part (24) that is adhered to the first surface (21a1) of the positive electrode (21). The sealing part (24) is formed from an acid-modified polyolefin resin. The positive electrode (21) comprises a carbon coating layer (M) that is provided at the portion of the first surface (21a1) of the positive electrode collector (21a) to which the sealing part (24) is adhered. The carbon coating layer (M) includes carbon particles and a coating layer binding agent. For the coating layer binding agent, the intensity ratio (P<sub>COO</sub>/P<sub>CH</sub>) of a peak (P<sub>COO</sub>) that represents a COO structure to a peak (P<sub>CH</sub>) that represents a CH structure on an IR absorption spectrum, as measured by infrared spectrophotometer, is 0.5-3.3.
Resumen de: EP4597601A1
A negative electrode for a nonaqueous electrolyte secondary battery which can improve the coulombic efficiency without a negative electrode active material is provided. The negative electrode for a nonaqueous electrolyte secondary battery according to an embodiment has a current collector and a layer containing a polyurethane resin and single-walled carbon nanotubes placed on the current collector and does not contain a negative electrode active material.
Resumen de: WO2024068762A1
The invention discloses a battery pack comprising a plurality of rechargeable battery cells that are mechanically and electrically connected, and also a measuring means for measuring at least one parameter of the battery and a telecommunications module, the components of said pack being integrated into a casing having power connection terminals, characterized in that - the telecommunications module comprises a controller that controls the reception and transmission of digital data between a server and the battery measuring means via the low-frequency 4G network, either using a CAT-M1 protocol or with a 2G fallback circuit, and - in that the telecommunications module comprises • a rewritable non-volatile memory for recording at least part of the computer code executed by the computer, and at least some of the digital parameters computed periodically on the basis of the data delivered by the telecommunications module • a RAM memory for recording the digital parameters computed periodically on the basis of the data delivered by the telecommunications module in a ring buffer and - in that the telecommunications module comprises a circuit for controlling the activation of the telecommunications module a) periodically so as to transmit the parameters delivered by said measuring means, b) in the event of detection of a signal transmitted by the server so as to update the computer code recorded in a memory of the measuring means, and c) when the output voltage of said rechargeabl
Resumen de: WO2024071147A1
Provided are a method for removing at least one metal that can effectively remove metals from lithium ion battery waste, and a method for recovering metals. A method for removing at least one metal from lithium ion battery waste, wherein the lithium ion battery waste has a cathode material with cathode-derived metals adhering onto a cathode current collector containing aluminum, the aluminum being a metal to be removed, wherein the method includes, in any order: a crushing step of crushing the lithium ion battery waste and separating at least a part of the cathode-derived metals from the cathode current collector; and an alkali separation step of separating at least a part of the cathode-derived metals from the cathode current collector by bring the lithium ion battery waste into contact with an alkaline solution to dissolve the aluminum, wherein the method further includes, after the crushing step, a sieving step of sieving the lithium ion battery waste into a material on sieve and a material under sieve containing the cathode-derived metals separated from the cathode current collector in the crushing step, and wherein, when the sieving step is performed before the alkali separation step, at least a part of the material on sieve obtained in the sieving step is subjected to the alkali separation step.
Resumen de: WO2024069356A1
High voltage modular power distribution unit for electric or hybrid vehicles, the modular power distribution unit being equipped with two or more base electric modules (1) mechanically connected to each other, the base electric module (1) having: - at least one input port connected to an electric power source, - at least one output port connected to an electric user, - a plurality of electric cables and a first plurality of electric connection bus bars, and - a base structure, provided with a plurality of mechanical connection elements, wherein the two or more base electric modules (1) are electrically connected to each other by means of a second plurality of intermodular bus bars (15).
Resumen de: WO2024069291A1
An electrochemical cells and methods of making the same are disclosed. An electrochemical cell may include a cell housing and a cell core disposed in the cell housing. The cell body may extend along a longitudinal axis from a distal end to a proximal end. The cell core may include a cathode electrode, an anode electrode, and a separator disposed between the cathode electrode and the anode electrode. The cathode electrode may define a plurality of cathode windings around the longitudinal axis. Each cathode winding may include a porous conductive strip and a cathode active material disposed on the porous conductive strip. The anode electrode may be disposed around the cathode electrode.
Resumen de: WO2024067924A1
The present invention relates to a solid-state battery system (1, 2), having at least one solid-state battery (1) with a preferred size-changing direction (A), and having at least one solid-state battery holder (2) which is designed to counteract the size change of the solid-state battery (1) in the size-changing direction (A) by means of at least one variable fluid volume (23).
Resumen de: EP4597687A1
Provided are a crushed unit battery material, a crushed battery material including the same, and a battery treatment method. The crushed unit battery material is a crushed unit battery material for recovering valuable metals from a waste battery, has a layered structure including a separator in which a positive electrode or a negative electrode is laminated on at least one surface, and satisfies the following Conditions 1 and 2:<Condition 1> the layered structure has a laminate structure of 1 layer or more and 7 layers or less.<Condition 2> a size of the crushed unit battery material is 100 mm or less based on a long axis which is the longest axis in horizontal, vertical, and height directions.
Resumen de: EP4597682A1
The present invention relates to an electrode assembly and a secondary battery including same. The electrode assembly according to an embodiment of the present invention is formed by a cathode, a separator, and an anode which are wound together, and may comprise a protective member which is arranged to face an end of at least one of the cathode and the anode and in which a flame retardant is filled.
Resumen de: EP4597136A1
The present invention relates to an apparatus and a method for diagnosing a battery cell, wherein the battery cell diagnostic apparatus according to an embodiment of the present invention may include a reference cell module including at least one reference cell composed of a super-capacitor, a measuring device configured to measure a reference impedance of the reference cell and a battery impedance of the battery cell, and a processor configured to compare the battery impedance with the reference impedance to determine whether there is an abnormality in the battery cell.
Resumen de: EP4597739A1
The present invention relates to a battery module, in which a busbar assembly is simplified in shape and reduced in volume to improve space utilization of a battery pack and efficiency of a manufacturing process, and a battery pack.A battery pack according to the present invention includes a plurality of cell groups comprising one or more cells and a terminal, and a busbar assembly disposed on one end of a top surface of each of the cell groups, wherein the busbar assembly includes a busbar disposed at a position corresponding to a position of the terminal to electrically connect the cell groups to each other, a circuit board electrically connected to the busbar to sense the cell groups, and a film laminated on the busbar and the circuit board to prevent the busbar and the circuit board from moving.
Resumen de: EP4597671A1
A solid-electrolyte material of the present disclosure includes a polymer in which an acidic functional group having an alkali metal ion is bonded to a main chain, and the polymer has a crosslinked structure including an electron-donating polar group. A nonaqueous-electrolyte secondary battery of the present disclosure includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, a separator, and a nonaqueous electrolyte, and satisfies at least one selected from the group consisting of (A) to (D):(A) the nonaqueous-electrolyte secondary battery further includes a membrane containing the solid-electrolyte material of the present disclosure, the membrane disposed on a surface, facing the separator, of at least one selected from the group consisting of the positive electrode and the negative electrode; (B) the nonaqueous-electrolyte secondary battery further includes a membrane containing the solid-electrolyte material of the present disclosure, the membrane disposed on a surface of a particle of at least one selected from the group consisting of the positive electrode active material and the negative electrode active material; (C) the nonaqueous-electrolyte secondary battery further includes a membrane containing the solid-electrolyte material of the present disclosure, the membrane disposed at least at a part of a surface of the separator; and (D) the separator includes the solid-electrolyte
Resumen de: EP4597522A1
Provided is a carbon nanotube dispersion liquid that exhibits good dispersion stability of single-walled carbon nanotubes.A carbon nanotube dispersion liquid according to an embodiment includes single-walled carbon nanotubes, carboxymethyl cellulose and/or a salt thereof, and water, in which a content of the single-walled carbon nanotubes is 0.47% to 1.00% by mass. The carboxymethyl cellulose and/or the salt thereof includes at least one having a degree of etherification of 0.65 to 0.85 and a weight-average molecular weight of 120,000 to 250,000. A content of the carboxymethyl cellulose and/or the salt thereof is 120 to 220 parts by mass relative to 100 parts by mass of the single-walled carbon nanotubes.
Resumen de: EP4597663A1
With respect to a nonaqueous electrolyte secondary battery (10) according to one example embodiment of the present invention, a positive electrode (11) contains, as a positive electrode active material, a lithium transition metal composite oxide that has a layered structure and contains not less than 75 mol% of Ni with respect to the total molar quantity of metal elements excluding Li. The lithium transition metal composite oxide is in the form of secondary particles that are obtained by aggregation of primary particles; and at least one element selected from the group consisting of Ca and Sr, and at least one element selected from the group consisting of W, Mo, Ti, Si, Nb and Zr are present at the interfaces between the primary particles inside the secondary particles. A negative electrode (12) contains, as a negative electrode active material, a silicon-containing material.
Resumen de: CN119968329A
The invention relates to a device (1) for producing an electrode stack (2) with planar electrode elements (3). The device (1) comprises a stacking wheel (10) which is rotatably mounted about a stacking wheel axis (11) and has a plurality of stacking wheel fingers (12) which define respective intermediate spaces (13) for receiving the electrode elements (3); and a scraping unit (20) which is designed to sequentially remove the electrode elements (3) from the respective intermediate spaces (13) by cooperating with a rotational movement (14) of the stacking wheel (10) about the stacking wheel axis (11). The device comprises a receiving unit (30) for sequentially receiving the electrode elements (3) removed from the intermediate space (13). The receiving unit (30) comprises a base structure (31) on which the electrode elements (3) received in the receiving unit (30) can be stacked, and a limiting element (32) which forms a stop for the electrode elements (3) received in the receiving unit (30) and is arranged stationary with respect to the stacking wheel axis (11).
Resumen de: CN119923744A
A battery and thermal management system (100; 200); 300); 400, 400; 500), having a battery (104; 204); 304, 304; 404, 404; 504) and a heat transfer arrangement (102; 202); 302; 402, 402; 502). An electrical terminal extends from each cell in the battery, and an adjacent pair of terminals (112; 212, 212; 324; 324; 410, 410; 512) are electrically connected together. The heat transfer arrangement has an inlet channel (120; 310); 420); 520), an outlet channel (122; 312; 312; 414; 414; 522) and a plurality of heat transfer channels (124; 314, 314; 416) is provided. The heat transfer channel (124; 314, 314; 416; 416; 514) is defined between the respective inflow wall (126; 330, 330; 426; 426; 518) and an outflow wall (128; 332; 332; 428; 428; 520) and between the inlet channel (120; 310); 412) and the outlet channel (122; 312; 312; 414). In each heat transfer channel (124) there is a permeable barrier (130; 316; 316; 418, 418; 516), the permeable barrier (130; 316; 316; 418, 418; 516) is inclined such that it is positioned in the heat transfer channel (124; 314, 314; 416; 416; 514) farthest from the inflow wall (126; 330, 330; 426; 426; 518), and in which the heat transfer channel (124; 314, 314; 416; 416; 514) at a second end closest to the inflow wall (126; 330, 330; 426; 426; 518) is provided. Each permeable barrier (130; 316; 316; 418, 418; 516) along the permeable barrier (130; 316; 316; 418, 418; 516) and the length of the terminal (112; 212, 212; 324; 324; 410, 410; 512) of
Resumen de: WO2024068583A1
The technology of the present invention generally relates to the field of battery technology, and more particularly relates to a cell fixture assembly for testing of a single electrochemical cell or a number of electrochemical cells stacked on top of each other, wherein the cell fixture assembly comprises at least one cell fixture and a base station; wherein the cell fixture comprises: at least one fixed base plate; at least two moveable plates arranged parallel to the base plate; whereby the moveable plates have oppositely arranged surfaces for contacting the electrochemical cell mounted between them; whereby the fixed and moveable plates comprise a plurality of apertures that are at least partially aligned to create a plurality of vertical channels that extend through said plates; a pressure sensor means, disposed between the base plate and at least one of the moveable plates, comprising a sensor member arranged to support said moveable plate, and configured for measuring a pressure applied to the electrochemical cells; a plurality of rotatable rods, insertable in the plurality of vertical channels, that are configured to rotatably couple with at least one of the moveable plates; whereby a rotation of the plurality of rotatable rods causes one of the moveable plates to move relative to the other moveable plate, thereby clamping or releasing the electrochemical cell mounted between them; and, a plurality of coupling members in connection with the plurality of rotatable rods;
Resumen de: CN119948673A
A cooling plate for battery thermal management in a battery pack and a process of forming such a battery pack are provided. The cooling plate is made of a composite material, and the cooling plate is of a hollow structure. The composite material comprises a heat-conducting filler, and the heat-conducting filler is dispersed in a polymer matrix. The hollow structure has an outer wall having a thickness in a range of about 0.3 mm (mm) to about 2.5 mm. The hollow structure comprises a top section, a bottom section and one or more channels, and the top section is in thermal contact with the at least one battery; the bottom section and the top section are integrally formed; one or more channels are located between the top section and the bottom section, the one or more channels configured to allow fluid flow through the one or more channels to provide thermal management of the battery.
Resumen de: EP4597666A1
Problem To provide a non-aqueous electrolyte secondary battery in which the decrease in cycle characteristics is improved as compared with conventional non-aqueous electrolyte secondary batteries.Solution A lithium ion secondary battery, which comprises a positive electrode comprising a positive electrode active material, a negative electrode, and a non-aqueous electrolyte solution, wherein the non-aqueous electrolyte solution comprises LiPF<sub>6</sub> and a lithium imide salt as an electrolyte, and comprises a carbonate-based solvent as a solvent, the lithium ion secondary battery comprises or does not comprise a surplus electrolyte solution, the ratio of the positive electrode capacity to the negative electrode capacity is adjusted to less than 1, the nominal voltage is adjusted to less than 3.6 V, and the content of lithium imide salt comprised in the non-aqueous electrolyte solution per unit battery capacity and the ratio of the positive electrode capacity to the negative electrode capacity are adjusted to satisfy a specific relationship.
Resumen de: EP4597665A1
Problem To provide a non-aqueous electrolyte secondary battery in which the decrease in cycle characteristics is improved as compared with conventional non-aqueous electrolyte secondary batteries.Solution A lithium ion secondary battery, which comprises a positive electrode comprising a positive electrode active material, a negative electrode, and a non-aqueous electrolyte solution, wherein the non-aqueous electrolyte solution comprises LiPF<sub>6</sub> and a lithium imide salt as an electrolyte, and comprises a carbonate-based solvent as a solvent, the lithium ion secondary battery comprises or does not comprise a surplus electrolyte solution, the ratio of the positive electrode capacity to the negative electrode capacity is adjusted to less than 1, the nominal voltage is adjusted to less than 3.6 V, and the total content of LiPF<sub>6</sub> and lithium imide salt comprised in the non-aqueous electrolyte solution per unit battery capacity and the ratio of the positive electrode capacity to the negative electrode capacity are adjusted to satisfy a specific relationship.
Resumen de: EP4597698A1
A battery includes an outer case including a tubular part with a tubular shape, a bottom part closing one end of the tubular part, and an opening disposed at the other end of the tubular part; an electrode assembly disposed inside the outer case and including a positive electrode and a negative electrode; a sealing body sealing the opening of the outer case; and a gasket with insulating properties interposed between the outer case and the sealing body. The gasket includes a first gasket with a circular shape, and a second gasket with a circular shape located closer to the bottom part than the first gasket is in the axial direction.
Nº publicación: EP4597736A1 06/08/2025
Solicitante:
PANASONIC IP MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
Resumen de: EP4597736A1
A power storage device includes an electrode assembly where a positive electrode plate and a negative electrode plate are wound with a separator interposed between the positive electrode and negative electrode plates; and a positive electrode current collector joined to the positive electrode plate at an upper end of the electrode assembly in axial direction P. The positive electrode current collector includes a plate-shaped flange joined to the positive electrode plate at a face facing the positive electrode plate in axial direction P and a column with an adjustable length in axial direction P that protrudes from the flange toward an upper side in axial direction P.
BOPI
Sede Electrónica
