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1277
resultados
Última actualización
15/08/2025 [07:19:00]
Resultados 775 a 800 de 1277
Resumen de: EP4597010A1
The present application provides a cathode for an oxygen processing device, and an oxygen processing device and refrigerator, wherein the cathode comprises: a mesh conductive film comprising at least one movable intersection point configured to absorb stress through movement. When the cathode is subjected to stress, since the movable intersection point on the mesh conductive film can absorb stress through movement, the stress can be transferred to and "concentrated" at the movable intersection point. The movement of the movable intersection point will not cause significant changes in a shape of the mesh conductive film. Therefore, the mesh conductive film as a whole will hardly undergo significant deformation due to stress, which is beneficial for improving the structural stability of the cathode.
Resumen de: EP4597738A1
A battery (100) and an electrical device (200) are disclosed. The battery (100) includes a plurality of battery cells (101). At least two of the battery cells (101) are disposed opposite to each other. At least one electrode post (121) of the two battery cells (101) disposed opposite to each other is located on one side of each of two battery cells (101), where the one side of one battery cell is oriented toward the one side of the other battery cell. An insulation structure (3) is disposed between the two battery cells (101) disposed opposite to each other. At least a part of the insulation structure (3) is located between the electrode posts (121) of the two battery cells (101), the electrode posts being oriented toward each other.
Resumen de: EP4597709A1
A battery tray assembly (10), a battery pack (1) and a vehicle. The battery tray assembly (10) comprises: a tray (11) and electrically conductive members (12), the tray (11) forming a mounting space for accommodating battery modules (20) and insulating the battery modules (20) from each other, and the tray (11) being provided with detection ports (111); and the electrically conductive members (12) are at least partly arranged inside the tray (11) and are electrically connected to preset potential points, and the electrically conductive members (12) are at least partly exposed at the detection ports (111).
Resumen de: EP4597708A1
A battery (1000) and an electrical device (2000) are disclosed. The battery (1000) includes: a plurality of structural components (10), where the plurality of structural components (10) are arranged along a first direction (F1), at least one structural component (10) is a battery row (20), the battery row (20) includes at least one battery cell (21), the battery cell (21) includes a first surface (211), and the first surface (211) is provided with an electrical connection portion (22) and the first surface (211) is oriented toward an adjacent structural component (10); and a support piece (40), where the support piece (40) is disposed between the battery row (20) and the adjacent structural component (10) and is configured to space the first surface (211) and the adjacent structural component (10) apart by a fixed clearance.
Resumen de: EP4597735A1
This cylindrical battery (10) is provided with a positive electrode lead (20) which is led out from an electrode body (14) to a sealing body (17) side, and which is bonded to the inner surface of the sealing body (17). The sealing body (17), which closes an opening of an outer package can (16), has a projected part (40) that is arranged along a concentric circle of the outer circumference circle of the sealing body (17) on the electrode body (14)-side inner surface (30). The positive electrode lead (17) has, sequentially in the lead-out direction from the electrode body (14) side toward the sealing body (17) side, a first bent part (23) that is bent radially inward and a second bent part (24) that is bent into a generally U-shape toward the first bent part (23) side. The second bent part (24) overlaps with a region R, which is surrounded by the projected part (40), in the axial direction.
Resumen de: EP4597635A1
Provided are a binder storage container for a secondary battery and a binder product for a secondary battery that enable long-term storage of even a binder composition that can inhibit aggregate formation while also improving adhesiveness of a functional layer. The binder storage container for a secondary battery includes an accommodating part where a binder composition for a secondary battery is to be accommodated. The accommodating part is obtained through shaping of a resin composition that contains a polyolefin resin having a weight-average molecular weight of 400,000 or more as a main component. The accommodating part has a wall thickness of 2.5 mm or more and has a durability of 72 hours or more in an environmental stress cracking test in accordance with JIS K-6761 using dialkyl sodium sulfosuccinate aqueous solution of 1.5 mass% in concentration.
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: EP4597688A1
The present disclosure relates to an apparatus and method for battery cooling control. An apparatus for battery cooling control according to some embodiments includes a cooling water control apparatus configured to control the supply of cooling water for cooling a battery system, and a control apparatus configured to obtain the state of charge and charge/discharge rate of the battery system, determine a heating value of the battery system according to the state of charge and the charge/discharge rate, and control the cooling water control apparatus to control the supply of the cooling water according to the heating value.
Resumen de: EP4597670A1
A gel electrolyte composition, a secondary battery, a battery module, a battery pack, and an electrical device are disclosed. A viscosity of the gel electrolyte composition at 25 °C is 500 mPa·s to 100000 mPa·s. The gel electrolyte composition falls within an appropriate viscosity range, thereby increasing the interface wettability of the battery and the ionic conductivity of the gel electrolyte composition at a room temperature and a high temperature, and on the other hand, alleviating interface side reactions of the gel electrolyte composition and improving the Coulombic efficiency of the battery.
Resumen de: EP4596494A1
A preparation method for a lithium iron phosphate material with low iron phosphide content is provided, including the following steps: mixing and dissolving anhydrous iron phosphate with a lithium source, a carbon source, a dopant and deionized water to obtain a mixed solution; conducting wet grinding and spray drying on the mixed solution to obtain a sintering precursor; conducting heat treatment and pulverization on the sintering precursor to obtain a lithium iron phosphate material, where the heat treatment process includes preheating, low-temperature sintering, high-temperature sintering, and cooling, a preheating temperature is lower than a low-temperature sintering temperature, the low-temperature sintering temperature is lower than a high-temperature sintering temperature, and a cooling temperature is lower than the high-temperature sintering temperature. The heat treatment process is conducted under a rare gas atmosphere, and the rare gas content in the high-temperature sintering is greater than that in the low-temperature sintering. Compared with the conventional process, the lithium iron phosphate material has high purity, remarkably reduces the iron phosphide content, maintains a high compaction density, and has excellent electrochemical performance. A lithium iron phosphate material and a lithium-ion battery using the lithium iron phosphate material are further provided.
Resumen de: EP4597672A1
An electrochemical device and an electronic device are provided. The electrochemical device includes a negative electrode, a positive electrode, a separator, and an electrolyte. The positive electrode includes a positive electrode active material containing a doping element, where the doping element includes one or more selected from the group consisting of aluminum, magnesium, zirconium, titanium, and lanthanum; and based on a mass of the positive electrode active material, a mass percentage of the doping element is b%, where 0.01≤b≤3 . The electrolyte includes a polynitrile additive. The positive electrode active material of this application includes the doping element in the mass percentage of 0.01 mass% to 3 mass%. The doping element can improve the structural stability and thermal stability of the positive electrode active material after delithiation. The polynitrile additive of the electrolyte can form an interfacial protection film on a surface of the positive electrode active material, reducing the risk of side reactions at an interface of the positive electrode active material, thereby reducing the heat generated at the interface, further improving the thermal stability of the positive electrode active material, and improving the cycling performance of the electrochemical device at high temperatures.
Resumen de: AU2023350690A1
Disclosed herein is a method for recovering metals from electronic waste or a leach residue thereof, the electronic waste or leach residue comprising elemental copper and one or more lithium compounds, the method comprising: leaching the electronic waste or leach residue with a leach solution comprising ammonium sulphate in the presence of an oxidant to provide a leachate comprising Cu ions and Li ions and a solid residue; and separating the leachate and the solid residue.
Resumen de: EP4597686A1
The present invention provides a saggar for an apparatus for recycling of waste secondary batteries, the saggar including a storage part input together with objects into the apparatus including a work part, wherein the storage part includes a body part and a mesh part coming into contact with the objects inside the body part, and a predetermined mixed gas input into the work part enters the storage part. According to the present invention, heat treatment efficiency can be maximized by making it easy to input a gas for heat treatment of waste secondary batteries, mass heat treatment of waste secondary batteries is possible, and multiple types of waste secondary batteries can be treated at once.
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: 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: WO2025114532A1
The present invention relates to a battery housing (10) for receiving at least one battery component, wherein the battery housing (10) has an outer wall (20), which at least partially surrounds a receiving volume (11), and a cooling device (30). The cooling device (30) has a base plate (40) having a first connecting surface (42) and a cover plate (50) having a second connecting surface (52), wherein the connecting surfaces (42, 52) of the base plate (40) and of the cover plate (50) are connected to each other with an integral bond at least in an edge region (60), which is formed circumferentially around the cooling device (30), in such a way that a fluid duct (70) is formed for conducting a cooling fluid between the base plate (40) and the cover plate (50). The cooling device (30) is connected to the battery housing (10) in such a way that the entire edge region (60) of the cooling device (30) is arranged within the outer wall (20) of the battery housing (10), and the cooling device (30) forms the housing base (12) of the battery housing (10). The battery housing (10) has at least one inner wall (80) which is connected to the outer wall (20), the inner wall (80) extending between two opposite wall sections of the outer wall (20), and the inner wall (80) of the battery housing (10) being at least partly connected to a cooling surface (51) of the cooling device (30), the cooling surface facing the receiving volume (11). The invention also relates to a battery having a battery h
Resumen de: EP4597712A1
Disclosed is a battery module, including batteries arranged along a first direction that is a thickness direction of the battery and an integrated busbar cover plate. The integrated busbar cover plate is disposed at tops of the batteries. Limiting through hole groups arranged at intervals along the first direction are provided on the integrated busbar cover plate, correspond to the batteries one by one, and are matched with poles of corresponding batteries. In the first direction, a length of a limiting through hole in the limiting through hole group near an end part of the integrated busbar cover plate is greater than that of a limiting through hole in the limiting through hole group located in a middle part of the integrated busbar cover plate. The length of the limiting through hole is a size of the limiting through hole along the first direction.
Resumen de: EP4597716A1
A battery pack according to one embodiment of the present disclosure includes: a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case configured to house the cell module assembly and including a venting port on at least one surface; and an outer cover that covers at least one surface of the pack case and is arranged apart from the outer surface of the pack case by a prescribed distance, wherein a space between the pack case and the outer cover forms a venting flow path through which venting gas generated during the thermal event of the battery cell moves, and wherein the venting gas is discharged to the outside through an opened space between the outer cover and the pack case formed on at least one end part of the outer cover.
Resumen de: EP4597684A1
A battery pack according to one embodiment of the present disclosure includes: a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case that houses the cell module assembly in its internal space; and a fire extinguishing unit capable of extinguishing the battery cells by supplying a fire extinguishing agent into the pack case when a thermal event occurs in the battery cells, wherein the pack case includes at least one drain port on at least one of a longitudinal edge and a widthwise edge of the bottom surface of the pack case.
Resumen de: GB2637780A
An electrode for an alkali metal ion secondary cell and its precursor composition with a polymer-electrolyte gel matrix phase, a dispersed phase comprising an electrochemically active material, and a conductive additive with a tubular carbon material as a majority component, preferably MWCNTs (multi-walled carbon nanotubes). The electrochemically active material may be a lithium transition metal oxide, preferably NMC. The electrode may be produced by processing the composition as a film or coating by thermal processing or extrusion. A method of manufacture and storage device are also described. The use of gel electrodes avoids the use of energetically expensive sacrificial solvents, and the use of tubular carbon improves electrochemical performance reducing the tortuosity values.
Resumen de: GB2637719A
A battery stack monitoring method for detecting occurrence of a thermal event in one or more battery stacks, comprising: receiving a signal indicative of a measured voltage in the one or more battery stacks; determining, in dependence on the measured voltage, whether a voltage-drop criterion is satisfied; and outputting, in dependence on the voltage-drop criterion being satisfied, a signal that a thermal event has occurred in the one or more battery stacks. The voltage drop criterion comprises a drop in the measured voltage exceeding a first threshold; and/or the measured voltage dropping below a second threshold. A battery stack monitoring system may comprise one or more processors collectively configured to perform the method. A battery storage system may comprise a plurality of battery stacks, a storage buffer for storing the stacks, one or more conveyors for moving the stacks in and out of the buffer, and the stack monitoring system.
Nº publicación: EP4597663A1 06/08/2025
Solicitante:
PANASONIC IP MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
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.
BOPI
Sede Electrónica
