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1893
resultados
Última actualización
04/10/2025 [08:24:00]
Resultados 575 a 600 de 1893
Resumen de: WO2025206449A1
The present invention relates to an all-solid-state battery, a method for manufacturing same, and equipment for manufacturing same. More specifically, the present invention provides a method comprising: forming a first composite sheet including a first carrier film and a first composite layer; forming a first datum hole in the first carrier film in a self-aligned manner with the first composite layer; forming a second composite sheet including a second carrier film and a second composite layer; forming a second datum hole in the second carrier film in a self-aligned manner with the second composite layer; aligning the first datum hole and the second datum hole with each other; and laminating the first composite layer of the first composite sheet and the second composite layer of the second composite sheet together.
Resumen de: WO2025206230A1
Provided is a sulfide solid electrolyte production method in which a solid electrolyte raw material is once heated to obtain a calcined product and is further heated to obtain a sulfide solid electrolyte. The sulfide solid electrolyte production method includes: obtaining a calcined product by heating a raw material-containing material that contains a lithium atom, a phosphorus atom, a sulfur atom, and a halogen atom and from which a sulfide solid electrolyte having more excellent ion conductivity can be efficiently produced; subjecting the calcined product to an amorphization treatment to obtain an amorphous product; and heating the amorphous product.
Resumen de: WO2025203749A1
A diagnostic program (P) for diagnosing a battery pack (2) that includes a plurality of battery modules (2a) causes a processor (10) to: acquire module identification information (B), module arrangement information (C), and usage history information (D) of the plurality of battery modules (2a) included in the battery pack (2); diagnose the plurality of battery modules (2a) on the basis of the usage history information (D); and associate the diagnosis results from the diagnosis with the module identification information (B) on the basis of the module arrangement information (C).
Resumen de: WO2025203750A1
A diagnosis program (P) causes a processor (10) to use a battery degradation model formula (Ma) to specify a degradation factor of a battery module (2a), wherein the battery degradation model formula (Ma) is obtained by linear regression analysis in which the degradation amount of characteristic data (E) of the battery module (2a) is used as an objective variable (Y) and in which usage history data (D) of the battery module (2a) during measurement of the characteristic data (E) and the power (D') of the usage history data are used as explanatory variables (X), and through modeling in which the coefficient of each term of the explanatory variables (X) is predefined as positive or negative.
Resumen de: WO2025204468A1
Provided are a method for producing a modified sulfide solid electrolyte, and a modified sulfide solid electrolyte, the method including crushing a sulfide solid electrolyte, from which a high-quality modified sulfide solid electrolyte can be efficiently produced, while adding an organic modifier.
Resumen de: WO2025205768A1
Provided are: a polymer composition for a nonaqueous secondary battery, which contains a polymer (P) and an oligomer (Ol) having a weight average molecular weight of 1000 or less, wherein the content of the oligomer (Ol) in a total of 100 mass% of the polymer (P) and the oligomer (Ol) is 1-30 mass%; a composition for a nonaqueous secondary battery containing this polymer composition; a sheet for an all-solid-state secondary battery and an all-solid-state secondary battery; and a method for manufacturing the sheet for an all-solid-state secondary battery and the all-solid-state secondary battery.
Resumen de: WO2025204671A1
A method for producing a recycled positive electrode active material including the following steps. Step (1): A step for obtaining a mixture by mixing a positive electrode mixture containing a positive electrode active material and an activation treatment agent containing one or more alkali metal compounds; Step (2): A step for heating the mixture to a temperature equal to or higher than the melting start temperature of the activation treatment agent in the presence of nitrogen having a flow rate of more than 0 L/min and at most 0.400 L/min per 1 L heating space to obtain a heated mixture; Step (3): A step for recovering the heated positive electrode active material from the heated mixture.
Resumen de: WO2025200261A1
A ventilation structure, an energy storage cabinet and an energy storage system. The ventilation structure comprises a mounting body and flow guide members, wherein the mounting body is configured to be assembled and connected to a ventilation opening of the energy storage cabinet; all flow guide assemblies are connected to the mounting body, and each group of flow guide assemblies comprise a plurality of flow guide members, which are arranged in a first direction intersecting with a ventilation direction of the energy storage cabinet, and on one side of the ventilation direction, each flow guide member is provided with a recessed cavity having an opening. The ventilation structure is additionally arranged at the ventilation opening, and when noise is transmitted outwards by means of the ventilation opening, the noise can be collided between the flow guide members so as to be eliminated, thereby achieving the effect of reducing noise. When the ventilation opening serves as an air inlet, the opening of the recessed cavity of each flow guide member is made to face the interior of the energy storage cabinet, such that an airflow, which is blown in from outside to inside, is normally guided and is smoothly blown into the energy storage cabinet, and noise transmitted from the inside to the outside can be absorbed by the recessed cavity of each flow guide member, thereby eliminating the noise. In this way, the flow guide members can not only perform flow guiding, but can also perfo
Resumen de: WO2025199737A1
Provided are a secondary battery and an electronic device. The secondary battery comprises an electrode assembly (100); the electrode assembly (100) comprises a positive electrode sheet (10), a negative electrode sheet (20) and a separator (30); the positive electrode sheet (10) comprises a positive electrode current collector and a positive electrode material layer located on at least one surface of the positive electrode current collector; a plurality of protrusions (11) are provided on the positive electrode sheet (10); in the thickness direction of the positive electrode sheet (10), the maximum height of a single protrusion (11) is h mm; the separator comprises a base film and a bonding layer; the coating weight of the bonding layer is X g/m 2, wherein h=-0.0044X2-0.0206X+0.1195, and 0.02≤h≤0.1195. By means of the arrangement, the weight of the secondary battery can be reduced, the hardness of the secondary battery can be increased, the wettability of an electrolyte can be enhanced, the cycle performance of the secondary battery can be improved, and the cost of the secondary battery can be reduced.
Resumen de: WO2025204993A1
The present invention provides a thermal insulation material for a battery pack, said thermal insulation material being thin but yet exhibiting excellent thermal insulation properties. This thermal insulation material for a battery pack includes a layered inorganic material sheet formed by laminating a plurality of layered inorganic material papers, said thermal insulation material characterized in that the layered inorganic material papers are impregnated with a resin, and the layered inorganic material sheet is expanded by heating at 500°C so as to create voids in the layered inorganic material sheet.
Resumen de: WO2025204994A1
Provided is a battery cell (1, 1B-1F) comprising at least one laminate (2) and a container (3) in which the at least one laminate is accommodated. The at least one laminate is includes a positive electrode sheet (2a), a negative electrode sheet (2b), a separator (2c) that is sandwiched between the positive electrode sheet and the negative electrode sheet, and an electrolyte that is provided between the positive electrode sheet and the separator and between the separator and the negative electrode sheet. The battery cell is provided with a first heat transfer sheet (6, 6B, 6C, 6E, 61, 62) that is provided between facing outer surfaces of the at least one laminate and a second heat transfer sheet (7, 7C-7F, 71, 71D, 71F, 72, 72D, 72F) that is provided along an inner wall of the container and that is connected to the first heat transfer sheet.
Resumen de: WO2025200229A1
Embodiments of the present disclosure provide a battery assembly, a battery, and an electrical apparatus. The battery assembly comprises a battery cell, an insulating film, a connecting member, and a thermal management sleeve member. The insulating film wraps around an outer surface of the battery cell, and the insulating film is provided with a communication hole penetrating through along the thickness direction of the insulating film. At least a portion of the connecting member is disposed in the communication hole. The connecting member is connected to the thermal management sleeve member and the battery cell. The battery assembly in the embodiments of the present disclosure is directly connected to the thermal management sleeve member and the battery cell by means of a connection in the communication hole, reducing the probability that the insulating film is damaged due to relative movement between the thermal management sleeve member and the battery cell, helping to improve the connection strength between the battery cell and the thermal management sleeve member, and making the relative position between the battery cell and the thermal management sleeve member more stable. Additionally, heat exchange between the thermal management sleeve member and the battery cell only passing through the connecting member is facilitated, thereby improving heat exchange efficiency.
Resumen de: WO2025204981A1
An all-solid-state battery (10) comprises a positive electrode including a positive electrode active material layer (1), a solid electrolyte layer (5) including solid electrolyte particles (A), and a negative electrode including a negative electrode active material layer (2), the solid electrolyte particles (A) including solid electrolyte particles (A1) for which the average particle diameter d50 in a volume-based particle size distribution measured using a laser diffraction/scattering particle size distribution measurement method is not less than 0.01 μm but less than 4.0 μm, and solid electrolyte particles (A2) for which the average particle diameter d50 in a volume-based particle size distribution measured using a laser diffraction/scattering particle size distribution measurement method is 4.0-30.0 μm.
Resumen de: WO2025200460A1
The present application relates to the technical field of battery apparatuses, and discloses an electrolyte management system for an energy storage lithium battery. The system comprises an energy storage unit, a function regulation and control unit, a power unit, and a safety regulation and control unit. An electrolyte master outlet of the energy storage unit is communicated with an inlet of the function regulation and control unit. An outlet of the function regulation and control unit is communicated with an inlet of the power unit. An outlet of the power unit is communicated with an electrolyte master inlet of the energy storage unit. An outlet of the safety regulation and control unit is communicated with agent injection inlets of the energy storage unit. The energy storage unit comprises a battery cell unit composed of a plurality of battery cells. The function regulation and control unit comprises a monitoring apparatus I, an electrolyte storage apparatus I, a regulation and control apparatus I, and an additive storage apparatus I which are communicated. The safety regulation and control unit comprises monitoring apparatuses II, and a regulation and control apparatus II and a storage apparatus II which are communicated. The system can effectively reduce temperature fluctuations in the charging and discharging process of the battery cells, thereby prominently prolonging the cycle life of the battery cells. The system also can determine a thermal runaway threshold, thereby
Resumen de: WO2025200884A1
The present application provides a secondary battery and an electric device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte, wherein the positive electrode sheet comprises a positive electrode active material layer, the negative electrode sheet comprises a negative electrode active material layer, the edge of at least one side of the negative electrode active material layer exceeds the edge of the positive electrode active material layer, and a solvent of the electrolyte includes a carboxylic ester solvent. The secondary battery has a low risk of lithium plating and high energy density, and also has excellent fast-charging performance and fast-charging cycle life.
Resumen de: WO2025200318A1
The present application belongs to the technical field of packaged batteries, and particularly relates to a self-forming packaging material and a preparation method therefor and the use thereof, and a battery potting method. The self-forming packaging material provided by the present application is prepared from the following raw materials in percentages by mass: 60-80% of an inorganic hydrated salt, 5-15% of deionized water, 5-10% of an acrylic monomer, 0.3-5% of a cross-linking agent, 0.7-5% of a polysaccharide monomer, 2-10% of a moisturizing material, and 1-5% of an initiating material, wherein the moisturizing material comprises lithium chloride and/or calcium chloride. In the present application, the self-forming packaging material has heat absorption capability in the two stages of melting and decomposition; the melting temperature is 20-60ºC, and the heat absorbed during melting is greater than 140 J/g; in the thermal decomposition stage, a chemical reaction occurs at 100-200ºC, heat is actively absorbed, and the heat absorbed during decomposition is greater than 980 J/g; and spontaneous heat absorption is conducted once chemical reaction conditions are reached, forming a continuous heat absorption effect, thereby realizing the thermal management and thermal runaway protection of a battery.
Resumen de: WO2025200285A1
The present disclosure is applicable to the technical field of batteries, and provides a battery module, a battery pack, and an electric device. The electric device comprises the battery pack, the battery pack comprises the battery module, the battery module comprises one or more battery units, and each battery unit comprises at least one heat conduction structure and at least two battery cells stacked in a first direction. The heat conduction structure is at least partially arranged between two adjacent battery cells in the first direction. The thermal conductivity of the heat conduction structure in the first direction is smaller than that in a direction perpendicular to the first direction. The present disclosure can quickly decrease the temperature at the center position of each battery cell, reduce the heat effect of the battery cell on the adjacent battery cell stacked in the first direction, reduce the probability of thermal runaway, and thus reduce the risk of failure of the whole battery module caused by thermal diffusion between the battery cells.
Resumen de: WO2025204691A1
According to the present invention, a method for producing a recycled positive electrode active material includes the following steps. (1) A step of mixing a positive electrode mix containing a positive electrode active material and a carbon-containing material with an activation treatment agent containing one or more alkali metal compounds to obtain a mixture; (2) a step of carrying the mixture into a continuous furnace and heating the mixture by supplying air in a direction perpendicular to the advancing direction of the mixture to obtain a heated mixture; and (3) a step of recovering the heated positive electrode active material from the heated mixture.
Resumen de: WO2025204690A1
According to the present invention, a method for producing a recycled positive electrode active material includes the following steps. (1) A step of mixing a positive electrode mix containing a positive electrode active material and a carbon-containing material with an activation treatment agent containing one or more alkali metal compounds to obtain a mixture; (2) a step of heating the mixture in a heating space having a high-temperature region and a low-temperature region having a temperature lower than that of the high-temperature region, and having a carbon dioxide concentration in the high-temperature region lower than the carbon dioxide concentration in the low-temperature region, to obtain a heated mixture; and (3) a step of recovering the heated positive electrode active material from the heated mixture.
Resumen de: WO2025203748A1
A transmission device (3) transmits: pack use history information (C) that is accumulated in a main battery management unit (3) for controlling a battery pack (2) including a plurality of battery modules (2a); and module use history information (D) that is accumulated in satellite battery management units (4) provided to the plurality of battery modules (2a) included in the battery pack (2).
Resumen de: WO2025199961A1
A preparation method for a solid-state electrolyte containing oxygen vacancies, and a solid-state battery. The preparation method for a solid-state electrolyte containing oxygen vacancies comprises: mixing a carbon material and an oxide solid-state electrolyte to obtain a mixed material, and performing heat treatment on the mixed material to prepare a solid-state electrolyte containing oxygen vacancies. The carbon material and the oxide solid-state electrolyte are subjected to heat treatment to prepare the solid-state electrolyte containing oxygen vacancies. In the solvent-free preparation method for obtaining the solid-state electrolyte containing oxygen vacancies, the carbon material is converted into carbon dioxide in the heat treatment process, such that the solid-state electrolyte can give full play to the advantages of oxygen vacancies so as to improve the ionic conductivity of the solid-state electrolyte and minimize the negative effect of the heat treatment process on the performance of the solid-state electrolyte.
Resumen de: WO2025206840A1
Disclosed in the present specification are a composite material and a fire extinguishing device, which are applied to products or elements that are in an abnormal state or potentially in an abnormal state so as to effectively respond to the abnormal state. For example, the composite material and the like may be applied to an item including a plurality of the products or elements, and may respond to abnormal heat generation, explosion, or ignition occurring in any one of the products or elements, and prevent or minimize propagation of such heat generation, explosion, or ignition to other adjacent products or elements. The composite material and the like also exhibit excellent handling properties and storage stability. The present specification may also provide uses of the composite material and the like.
Resumen de: WO2025200260A1
The present application provides a slurry recovery method, and belongs to the technical field of battery manufacturing. The slurry recovery method comprises: measuring the viscosity of an electrode slurry utilized during an electrode coating process; and in response to the viscosity of the electrode slurry being not greater than a viscosity threshold value, performing slurry preparation on the electrode slurry according to a first slurry preparation process to obtain a slurry that can be used again, or in response to the viscosity of the electrode slurry being greater than the viscosity threshold value, performing slurry preparation on the electrode slurry according to a second slurry preparation process to obtain a slurry that can be used again, the second slurry preparation process being different from the first slurry preparation process.
Resumen de: WO2025206837A1
A cathode active material for a lithium secondary battery according to the present invention is a single-crystal cathode active material for a lithium secondary battery, the cathode active material having a form in which 1 to 20 single particles are aggregated, wherein the single particles may satisfy equation 1 in the present specification.
Nº publicación: WO2025200882A1 02/10/2025
Solicitante:
LONGI GREEN ENERGY TECH CO LTD [CN]
\u9686\u57FA\u7EFF\u80FD\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8
Resumen de: WO2025200882A1
Provided in the present application are a cell, a photovoltaic module and a photovoltaic system. The cell comprises: a substrate, having first sides and second sides perpendicular to each other; and a plurality of busbar electrodes, which are provided on the surface of the substrate, the busbar electrodes extending in the direction of the first sides and being arranged at intervals in the direction of the second sides. The plurality of busbar electrodes comprise two edge busbar electrodes that are provided close to the two first sides, one column of edge interconnection strip connection portions are provided on the inner side of each of the two edge busbar electrodes, and a plurality of columns of middle interconnection strip connection portions are provided between the two columns of edge interconnection strip connection portions. The edge interconnection strip connection portions are electrically connected to the edge busbar electrodes, the distance between the edge busbar electrodes and the edge interconnection strip connection portions being m, and the distance between the edge interconnection strip connection portions and the adjacent middle interconnection strip connection portions and the distance between every two adjacent columns of the middle interconnection strip connection portions being n, wherein m is above 0.17 n and below 0.5 n, and m and n are both greater than zero. The cell of the present application has a relatively high photoelectric conversion ratio and
BOPI
Sede Electrónica
