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1832
resultados
Última actualización
05/07/2025 [08:21:00]
Resultados 575 a 600 de 1832
Resumen de: WO2025138820A1
An early warning method for a starter battery, a storage medium and an electronic device, relating to the technical field of battery detection. The early warning method comprises: acquiring state information data of a starter battery uploaded by a vehicle battery management system, wherein the state information data comprises at least one of voltage data, current data, temperature data and charging data (S11); on the basis of the state information data, detecting whether the starter battery has an anomaly (S12); and, if the starter battery has an anomaly, sending anomaly early warning information to a manufacturer service platform for the starter battery and/or a user terminal bound to the vehicle (S13).
Resumen de: WO2025138674A1
A charging method and apparatus, a storage medium, a user equipment (800), and a vehicle. The method comprises: acquiring a charging power limit; on the basis of the acquired reservation type input by a user, in response to an operation input by the user for setting other information, generating charging related information; generating reservation information on the basis of the charging power limit, the reservation type and the charging related information; and sending the reservation information to a vehicle, so that the vehicle is charged on the basis of the reservation information. In this way, a user can set a charging power limit, a reservation type and charging related information by means of a user equipment, making it convenient for the user to specify the battery level at the end of charging, to reasonably choose on the basis of own requirements whether to make one-time reservation for charging and to select the charging start time, so that the vehicle is charged on the basis of the reservation information, and the vehicle can determine the charging end time on the basis of the charging power limit or the charging related information, thereby improving user experience.
Resumen de: WO2025138711A1
A cutting assembly, a lamination mechanism, and an electrode sheet thermal compositing device. The cutting assembly comprises at least two cutting blades, the two cutting blades are configured to have a closed state and an open state, and an electrode sheet assembly is located between the two cutting blades. The cutting assembly further comprises a thermal resistance wire which is connected to at least one of the two cutting blades, and used for providing heat to cut blank sections of the electrode sheet assembly. The lamination mechanism comprises at least two lamination platforms arranged side by side, and the cutting assembly is arranged between the lamination platforms. The electrode sheet thermal compositing device comprises the cutting assembly and the lamination mechanism. The blank sections of the electrode sheet assembly are cut by the thermal resistance wire in a melting manner, thereby solving the technical problem of continuous blank section cutting.
Resumen de: WO2025138816A1
The present application relates to the technical field of battery production, and provides a smart production line for a cylindrical cell, comprising, successively arranged in a processing direction, a cell loading station, a cathode current collector welding station, a cathode coating station, a cell in-casing station, a cathode post welding station, an anode current collector welding station, a current collector lateral welding station, a cover plate tack welding station, a cover plate seal welding station, a cell unloading station and a cell transfer mechanism. The present application reasonably distributes each processing station to more reasonably process and produce cells and, during the entire production process, the stations can cooperate with each other to efficiently complete production and effectively improve the yield and the degree of automation during the cylindrical cell processing procedures, reducing cylindrical cell production costs.
Resumen de: WO2025138763A1
A cover plate assembly (12), a battery case (10a), and a battery (10). The cover plate assembly (12) comprises: a cover plate (121), which is provided with an electrode-column mounting hole (103) and a pressure relief hole (104), wherein the electrode-column mounting hole (103) is configured to accommodate an electrode column (10c) of a battery, and the pressure relief hole (104) is configured to accommodate a pressure relief valve (10d); and an insulating member (122), which is stacked with the cover plate (121), wherein the insulating member (122) is provided with a hole (105), a projection of the pressure relief hole (104) on the insulating member (122) at least partially overlaps with the hole (105), and the insulating member further comprises a thin film part (13), which is configured to block the hole.
Resumen de: WO2025138762A1
An integrated cap reshaping, grinding and replacement module, and an apparatus. The integrated cap reshaping, grinding and replacement module comprises a main unit mechanism (1), a reshaping mechanism (2), a grinding mechanism (3) and a cap replacement mechanism (4), wherein the main unit mechanism (1) comprises a mounting surface (111); the reshaping mechanism (2) is configured to extrude an electrode cap; the grinding mechanism (3) is configured to cut the electrode cap; the cap replacement mechanism (4) is configured to dismount or mount the electrode cap; and the reshaping mechanism (2), the grinding mechanism (3) and the cap replacement mechanism (4) are all arranged on the mounting surface (111) and are spaced apart from each other.
Resumen de: WO2025143988A1
A negative electrode for a lithium secondary battery, according to embodiments of the present disclosure, comprises: a negative electrode current collector; a first negative electrode active material layer formed on at least one surface of the negative electrode current collector; and a second negative electrode active material layer which is formed on the first negative electrode active material layer and includes artificial graphite, wherein the first Raman peak area ratio of the first negative electrode active material layer is 1 to 2 and the second Raman peak area ratio of the second negative electrode active material layer is 0.2 to 0.5.
Resumen de: WO2025143955A1
Disclosed are an electrode, a secondary battery comprising same, and an energy storage device, the electrode comprising: an electrode current collector; and an electrode layer located on the electrode current collector and containing an active material, a conductive material, and a binder, wherein: the binder contains a fluorine-based polymer and a modified polyolefin; the surface of the electrode has 5 dichroic regions/ m2 or fewer; the modified polyolefin contains at least one functional group of a carboxylic acid anhydride-derived functional group and a carboxylic acid-derived functional group; and the breaking strength per unit width of the electrode layer is 0.6 N/cm or more.
Resumen de: WO2025143979A1
A negative electrode for a lithium secondary battery according to an embodiment of the present disclosure comprises: a negative electrode current collector; and a negative electrode mixture layer on at least one surface of the negative electrode current collector, the negative electrode mixture layer containing a carbon-based active material, a silicon-based active material, a first binder, and a second binder, wherein each of the first binder and the second binder is a copolymer containing an acrylic acid-derived structural unit represented by chemical formula 1, the content ratio of the acrylic acid-derived structural unit in the first binder is 0 mol% (excusive) to 50 mol% (inclusive) and the content ratio of the acrylic acid-derived structural unit in the second binder is 60 mol% (inclusive) to 100 mol% (exclusive). Chemical formula 1
Resumen de: WO2025143950A1
A separator according to the present invention not only has excellent adhesion to an electrode, but also can secure sufficient porosity, thereby exhibiting excellent resistance and ion conductivity characteristics. Additionally, the lamination process time can be shortened during the manufacture of an electrode assembly, thereby achieving high process efficiency in the manufacture of batteries. Furthermore, the energy density of lithium secondary batteries can be maximized by minimizing the height of an inorganic particle filling part.
Resumen de: WO2025138669A1
The present application provides a cooling device, comprising: a first cooling member and a second cooling member each comprising a first side and a second side opposite to each other. The first cooling member is provided with a first flow channel, and the second cooling member is provided with a second flow channel, wherein the first side of the first cooling member is fixedly connected to the second side of the second cooling member, a first notch is formed in the first side of the first cooling member, a second notch is formed in the second side of the second cooling member, and the first flow channel is communicated with the second flow channel through the first notch and the second notch.
Resumen de: WO2025144019A1
The present invention relates to a positive electrode comprising: a positive electrode current collector; a first positive electrode active material layer formed on the upper surface of the positive electrode current collector; and a second positive electrode active material layer formed on the lower surface of the positive electrode current collector, wherein the first positive electrode active material layer and the second positive electrode active material layer contain a first conductive material and a second conductive material, respectively, the average length of the second conductive material is greater than the average length of the first conductive material, and K represented by Equation 1 is 0.82-1.16. A detailed description of Equation 1 is given in the present specification.
Resumen de: WO2025144005A1
An aspect of the present invention provides a battery management apparatus capable of more accurately diagnosing whether a battery is abnormal. The battery management apparatus according to an aspect of the present invention comprises: a measurement module for measuring state information of a battery; a first diagnosis module configured to diagnose whether the battery is abnormal by comparing the state information measured by the measurement module with a first diagnosis reference; and a second diagnosis module configured to diagnose whether the battery is abnormal on the basis of the degree of change in the state information measured by the measurement module.
Resumen de: WO2025143944A1
The present invention provides a separator for an electrochemical device, comprising: a porous polymer substrate; and an inorganic coating layer for covering one surface or both surfaces of the porous polymer substrate, wherein: the inorganic coating layer includes a plurality of adhesive polymer columns having a predetermined volume; the polymer columns are made of a polymer material and have no pores; at least some parts of the polymer columns are exposed to the surface of the inorganic coating layer while other parts thereof are in contact with the surface of the porous polymer substrate; at least one polymer column is spaced a predetermined distance apart from another polymer column; the space between the polymer columns is filled with inorganic particles; and, on the basis of the top view of the separator, the area occupied by the surface area of the polymer column exposed to the surface of the inorganic coating layer is 10% to 80% with respect to 100% of the surface area of the inorganic coating layer.
Resumen de: WO2025143947A1
A separator according to the present invention not only has excellent adhesion to an electrode, but also can ensure sufficient porosity, and thus has excellent resistance and ion conductivity characteristics. In addition, the lamination process time can be reduced during the manufacture of electrode assemblies, and thus high process efficiency can be achieved in manufacturing batteries.
Resumen de: WO2025138683A1
An electrode sheet, a battery cell, and a lithium battery, relating to the technical field of lithium batteries. The electrode sheet comprises a current collector and an active coating. The electrode sheet comprises an uncoated foil area, a single-sided coated area in which one side surface of the current collector is coated with the active coating, and a double-sided coated area in which two side surfaces of the current collector are coated with the active coating. A corrugated portion is provided in the uncoated foil area, the corrugated portion is connected to the single-sided coated area, and the corrugated portion is provided with serrated or arc-shaped creases. The battery cell comprises an anode sheet, a separator, and a cathode sheet, the anode sheet using the electrode sheet. The lithium battery comprises the battery cell. By means of said technical solution, the problem that a single-sided coated area of an existing lithium battery electrode sheet is prone to wrinkling after being wound is solved, the safety of battery cells is improved, and energy density loss of battery cells is avoided.
Resumen de: WO2025138690A1
Disclosed in the present application are a metal foil, a circuit board, a copper-clad laminate, a negative electrode material for a battery, and a battery. The metal foil comprises a first surface and an opposing second surface, where the average grain size of a metal on the first surface is less than the average grain size of a metal on the second surface. With respect to the metal foil, circuit board, copper-clad laminate, negative electrode material for a battery, and battery of the present application, by means of sensible planning the average grain sizes of the metal foil, the metal foil has been made to possess good corrosion resistance and anti-side corrosion properties, over-etching by an etching solution causing a metal circuit to have an upside-down trapezoidal shape can be effectively prevented, the quality of the metal foil is effectively improved, and the electrical properties of a circuit board are guaranteed.
Resumen de: WO2025138760A1
An electrode cap replacement device, comprising a mounting frame (1), a connecting base (2), a cap removal module (3) and elastic members (4), wherein the cap removal module (3) is arranged on the connecting base (2), and the connecting base (2) is connected to the mounting frame (1) by means of the elastic members (4); the cap removal module (3) is provided with a cap removal through hole (30) into which an electrode rod extends; the axis direction of the cap removal through hole (30) is a first direction (X); and in the first direction (X), one end of each elastic member (4) is connected to the mounting frame (1), and the other end is connected to the connecting base (2), that is, the connecting base (2) is flexibly connected to the mounting frame (1).
Resumen de: WO2025143849A1
An apparatus for managing a battery according to one embodiment of the present invention comprises: a measurement unit configured to measure a voltage and a current of a battery comprising a plurality of negative electrode active materials; a discharge unit having one end connected to a positive electrode terminal of the battery and the other end connected to a negative electrode terminal of the battery and configured to discharge the battery; and a control unit configured to discharge the battery by controlling the discharge unit when the voltage of the battery corresponds to a preset reference voltage, and calculate the capacity of a target negative electrode active material among the plurality of negative electrode active materials of the battery on the basis of a current measured in a discharge process.
Resumen de: WO2025143841A1
The present disclosure aims to provide a cathode mix capable of improving the discharge capacity of a battery. The cathode mix for all-solid-state batteries comprises: a sulfur-containing cathode active material; a first sulfur-containing compound including cobalt; a second sulfur-containing compound including phosphorus; and a conductive additive.
Resumen de: WO2025143843A1
The objective of the present invention is to provide: a sulfide-based solid electrolyte having improved ionic conductivity; a method for preparing the sulfide-based solid electrolyte; and an all-solid-state battery including the sulfide-based solid electrolyte. The present invention provides a sulfide-based solid electrolyte containing a Group 3 element and having an argyrodite-type crystal structure, the sulfide-based solid electrolyte being represented by the formula Li7-x-3yMyPS6-xHax, where M is at least one element selected from Group 3 elements, Ha is at least one element selected from halogen elements, 1.0＜x＜2.5, and 0＜y≤0.2.
Resumen de: WO2025143840A1
The purpose of the present invention is to provide an anode-free all-solid-state battery having improved discharge capacity and cycle characteristics. In addition, the purpose of the present invention is to provide an anode-free all-solid-state battery capable of being driven at a low confining pressure. The present invention provides an all-solid-state battery comprising: a positive electrode including a positive electrode active material layer; a negative electrode current collector; and a solid electrolyte layer disposed between the positive electrode and the negative electrode current collector, wherein in the all-solid-state battery, without containing a negative electrode active material, lithium ions are supplied from the positive electrode active material layer by charging to allow a lithium metal layer as a negative electrode active material to be formed on the negative electrode current collector, and the solid electrolyte layer includes a sulfide-based solid electrolyte containing a group 2 element and having an argyrodite-type crystal structure.
Resumen de: WO2025143848A1
The present invention improves at least one among the initial efficiency, the battery capacity, and the cycle characteristics of a non-aqueous electrolyte secondary battery. A negative electrode active material for a non-aqueous electrolyte secondary battery according to an embodiment of the present invention comprises porous composite particles containing silicon and silicon oxide (SiOx, 0＜x≤2), wherein some or all of the pores of the porous composite particles are filled with carbon, and some or all of the surfaces of the porous composite particles are coated with carbon.
Resumen de: WO2025143941A1
A separator according to the present invention not only demonstrates excellent adhesion to electrodes but also ensures sufficient porosity, thereby exhibiting outstanding resistance and ion conductivity characteristics. In addition, the present invention enables a reduction in lamination process time during the manufacture of electrode assemblies, thereby achieving high process efficiency in battery production.
Nº publicación: WO2025143943A1 03/07/2025
Solicitante:
LG CHEM LTD [KR]
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Resumen de: WO2025143943A1
A separator according to the present invention has excellent adhesion to an electrode and can secure sufficient porosity, thereby exhibiting excellent resistance and ion conductivity characteristics. In addition, the separator is in close contact with the electrode without a gap at the interface between the electrode and the separator, thereby ensuring excellent long-term life characteristics of a battery. In addition, the lamination process time can be shortened during the manufacture of an electrode assembly, thereby achieving high process efficiency in the manufacture of a battery.
BOPI
Sede Electrónica
