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1468
resultados
Última actualización
02/04/2026 [07:26:00]
Resultados 850 a 875 de 1468
Resumen de: WO2026056326A1
The present application relates to the field of batteries, and provides a battery apparatus and an electric apparatus. The battery apparatus comprises a casing and a battery cell, wherein the casing comprises a plurality of wall portions, the plurality of wall portions together define an accommodating space, and the battery cell is accommodated in the accommodating space. The battery cell comprises an electrode assembly, wherein the electrode assembly comprises a positive electrode sheet, a solid electrolyte layer, and a negative electrode sheet, and the solid electrolyte layer is provided between the positive electrode sheet and the negative electrode sheet. At least one wall portion is provided with a heat insulation structure. The battery apparatus is provided with a heat insulation structure capable of reducing a rate of outward heat transfer, slowing down heat dissipation, and playing a role in conserving heat. This allows for the battery cell to operate at a high temperature, which helps to improve ionic conductivity in the solid electrolyte layer, reduce internal resistance in the battery apparatus, and increase energy density of the battery apparatus.
Resumen de: WO2026056336A1
The present disclosure provides a vehicle thermal management system and a thermal management method. The vehicle thermal management system comprises a battery cycle, a motor cycle, a first passage, a second passage, a third pump, and a temperature regulating device. The battery cycle comprises a first loop, and a first heat exchanger, a first pump, and a battery arranged in the first loop. The motor cycle comprises a second loop, and a second heat exchanger, a second pump, and a motor arranged in the second loop. The first passage is connected to the first loop and arranged in parallel with the first heat exchanger. The second passage is connected to the second loop and arranged in parallel with the second heat exchanger. The third pump is arranged in the second passage and is used to drive a medium in the second passage to flow. The temperature regulating device is connected to the first loop and the second passage and is used to regulate the temperature of a medium flowing to the battery so as to regulate the temperature of the battery. The vehicle thermal management system of the present disclosure is additionally provided with a dedicated temperature regulating device. The temperature regulating device can enhance the heat regulation performance for the battery, thereby avoiding the temperature of the battery being too high and heat dissipation being poor during use.
Resumen de: WO2026056316A1
Embodiments of the present application provide a battery device and an electric device. The battery device comprises a battery cell assembly and a first case. The first case comprises a bottom wall and first side walls, the bottom wall carries the battery cell assembly, each first side wall is arranged on one side of the battery cell assembly in a first direction, and the first side walls are connected to the bottom wall. Each first side wall comprises a first frame and a first panel, the first frame is arranged along the edge of the first panel, the first frame and the first panel are respectively integrally formed by extrusion, and the first frame is welded to the first panel. The technical solution provided in the present application can improve the reliability of the battery device.
Resumen de: WO2026059366A1
The present invention relates to a secondary battery comprising: a cathode including a cathode active material; an electrolyte; and an anode, wherein, in the secondary battery, the capacity change rate with respect to a termination voltage change represented by formula 1 below is 1 (Volt-1) or less. Formula 1 (second capacity - first capacity) / {second capacity X (second termination voltage - first termination voltage)} In formula 1, the second capacity is a discharge capacity measured after charging to a second termination voltage, the first capacity is a discharge capacity measured after charging to a first termination voltage, the second termination voltage is selected in a range of 4.15 V-4.25 V, the first termination voltage is selected in a range of 4.05 V-4.15 V, and the difference between the second termination voltage and the first termination voltage (second termination voltage - first termination voltage) is 0.05 V or more.
Resumen de: WO2026059053A1
According to an embodiment disclosed in the present document, an electronic device may comprise: an equivalent circuit model for describing characteristics of an LFP battery including a plurality of battery stacks; and a processor for simulating the equivalent circuit model, wherein the equivalent circuit model includes a plurality of sub-models which correspond one-to-one to the plurality of battery stacks and are connected in parallel, and the processor sets a parameter value of each of the plurality of sub-models, sets a current source connected to the plurality of sub-models, calculates a terminal current and a terminal voltage of each of the plurality of sub-models, and analyzes the characteristics of the battery on the basis of the terminal voltage of each of the plurality of sub-models.
Resumen de: WO2026059060A1
A battery system according to an embodiment of the present disclosure comprises: a first battery; a second battery connected in parallel with the first battery; a DC-DC converter electrically connected between the first battery and the second battery so as to convert output power of at least one of the first battery and the second battery; a switch connected in parallel with the DC-DC converter so as to be selectively opened or closed; a voltage sensor for measuring voltages of the first battery and the second battery; and a battery management device operatively connected to the switch and the voltage sensor, wherein the battery management device may acquire, from the voltage sensor, a first voltage of the first battery and a second voltage of the second battery, and control the switch on the basis of the first voltage and the second voltage.
Resumen de: WO2026059101A1
A method for inspecting a battery, according to an embodiment of the present invention, relates to a method for inspecting the quality of a battery in a manufacturing process, the method comprising the steps of: acquiring an image capturing at least a portion of the exterior of the battery to preprocess the image; detecting one or more defect candidate regions in the preprocessed image by using one or more detection algorithms; extracting position information of the defect candidate regions and shape feature information of the defect candidate regions; and inputting, into a pre-trained machine learning model, information related to the detection algorithms, the position information of the defect candidate regions, and the shape feature information of the defect candidate regions, to determine whether corresponding defect candidate shapes are defective.
Resumen de: WO2026059176A1
The present invention provides a method for detecting and analyzing a foreign substance in a battery cell, comprising the steps of: preparing a battery cell to be inspected; disassembling the battery cell to be inspected, so as to obtain a separator from an electrode assembly; and putting the separator into X-ray fluorescence analysis equipment to analyze the presence or absence of a metal foreign substance on the surface of the separator, wherein the metal foreign substance is present in the electrode assembly before disassembly by penetrating a surface of the separator facing a positive electrode and a surface of the separator facing a negative electrode.
Resumen de: WO2026059413A1
An anode composition according to an embodiment of the present invention comprises a silicon-based active material and a carbon-based active material, and simultaneously satisfies an optimal sphericity ratio represented by formula (1) and an optimal particle diameter ratio represented by formula (2). Formula (1): 0.7 ≤ X1/Y1 ≤ 1.5 Formula (2): 0.08 ≤ X2/Y2 ≤ 0.5. In formula (1), X1 denotes the sphericity of the silicon-based active material, and Y1 denotes the sphericity of the carbon-based active material, and in formula (2), X2 denotes an average particle diameter (D50) of the silicon-based active material, and Y2 denotes an average particle diameter (D50) of the carbon-based active material.
Resumen de: WO2026059415A1
The present disclosure relates to a secondary battery, and the technical problem to be solved is to provide a secondary battery that prevents corrosion from occurring on a cap plate. To this end, the present disclosure provides a secondary battery comprising: an electrode assembly including a first electrode and a second electrode; a case for accommodating the electrode assembly; a cap plate covering an opening of the case and electrically connected to the second electrode; and a gasket for sealing the opening of the case while surrounding the cap plate along the outer peripheral surface of the cap plate.
Resumen de: WO2026059178A1
The apparatus for treating a battery according to an embodiment of the present invention comprises: a jig having an inner space into which a battery is inserted; a punching unit for forming reaction holes in the battery by moving in a direction going toward the jig; and a driving unit for moving the jig and the punching unit, wherein the jig may be configured to restrict the movement of the battery submerged in a discharging material.
Resumen de: WO2026059124A1
A battery module according to an embodiment of the present disclosure comprises: a plurality of battery cells; a module case accommodating the plurality of battery cells, and provided with venting holes penetrating at least one side; and a first shield member provided between the plurality of battery cells and module case to allow venting gas generated in the battery cells to pass through.
Resumen de: WO2026056315A1
Embodiments of the present application provide a battery device and an electric device. The battery device comprises a housing, a support frame, a first battery cell assembly, and a second battery cell assembly. The housing comprises a first housing and a second housing, and the first housing and the second housing are arranged opposite to each other in a first direction; the first housing and the support frame define a first accommodating space, and the second housing and the support frame define a second accommodating space; the first battery cell assembly is arranged in the first accommodating space, and the second battery cell assembly is arranged in the second accommodating space. The first housing comprises a bottom wall and two first side walls arranged opposite to each other in a second direction; the bottom wall supports the first battery cell assembly, and the bottom wall is connected to the two first side walls; each first side wall has a first outer surface, a first inner surface, and a first end face facing away from the bottom wall, and the first end face is located between the first outer surface and the first inner surface; the support frame is connected to the first end faces, and the support frame supports the second battery cell assembly. The technical solution of the present application can improve the energy density of battery devices.
Resumen de: WO2026056274A1
Disclosed in the present invention are a composite positive electrode material for a lithium battery and a manufacturing method therefor. The method comprises: a grinding step: grinding CrO3 and FeS2 to a mixture having a uniform color; and a heating and sintering step: carrying out a heating reaction on the mixture to obtain a FeS2-doped Cr8O21 composite positive electrode material. The mass ratio of CrO3 to FeS2 is (10-20):1, the heating temperature is 260°C-270°C, and the constant-temperature duration is 8 h-18 h. The FeS2-doped Cr8O21 composite positive electrode material manufactured by the present invention has the characteristics such as small particle size, high purity, and low impurity content, and can effectively enhance discharge efficiency and electrochemical performance when applied to lithium batteries.
Resumen de: WO2026056261A1
The present application relates to a secondary battery and a preparation method therefor, a positive electrode lithium supplementing agent, a positive electrode sheet and an electric device. The secondary battery comprises a positive electrode sheet, the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer arranged on at least one surface of the positive electrode current collector, and the positive electrode film layer comprises a positive electrode lithium supplementing agent. The positive electrode lithium supplementing agent comprises a porous carbon material and a lithium-rich material distributed inside the porous carbon material, wherein the volume-average particle size Dv50 of the lithium-rich material is 0.1-3 μm, and the ratio of the volume-average particle size Dv50 of the lithium-rich material to the volume-average particle size Dv50 of the porous carbon material is denoted as P, where P≤0.35. The mass percentage content of lithium in the positive electrode lithium supplementing agent is 7-11%, and the positive electrode lithium supplementing agent in the secondary battery can improve the discharge capacity of the battery at a relatively low voltage.
Resumen de: WO2026059103A1
A battery diagnosis apparatus according to one embodiment disclosed in the present document comprises: a memory for storing battery data regarding a battery cell including a plurality of active materials; and at least one processor, wherein the at least one processor is configured to: identify the capacity of the battery cell; identify a reaction ratio of each of the plurality of active materials on the basis of a voltage profile of each of the plurality of active materials; identify the reaction capacity of each of the plurality of active materials after degradation on the basis of the reaction ratio and the capacity of the battery cell; and identify a ratio occupied by each of the plurality of active materials in a positive electrode capacity loss rate on the basis of the reaction capacity and the positive electrode capacity loss rate.
Resumen de: WO2026059045A1
A shim plate according to an embodiment of the present invention comprises: a shim body comprising stainless steel; and at least one coating layer coated on the surface of the shim body.
Resumen de: WO2026059035A1
An electrode notching device is disclosed. The electrode notching device comprises: a notching tab processing unit for cutting scrap from an uncoated portion provided on one side in the width direction of an electrode traveling in the longitudinal direction to process a notching tab portion on the uncoated portion; a first roll disposed to be spaced apart from the notching tab processing unit in the traveling direction of the electrode and switching the traveling direction of the electrode and the scrap; a second roll disposed to be spaced apart from the first roll in the traveling direction of the electrode and switching the traveling direction of the electrode and the scrap; and a pressing roll disposed to correspond to the second roll with the electrode and the scrap interposed therebetween. The electrode notching device may further comprise: a suction unit disposed to be spaced apart from the second roll in the traveling direction of the electrode and suctioning the scrap; and a scrap guide for guiding the scrap from the first roll to the second roll side.
Resumen de: WO2026058772A1
Provided is a data processing method for processing data related to the production and management of a power storage element, wherein: with respect to different production lines in which the same type of raw materials or in-process items are used, different determination criteria for the same type of raw materials or in-process items are stored; it is determined whether a raw material or in-process item for a first production line among the different production lines satisfies a first determination criterion associated with the first production line; it is determined whether the a material or in-process item which has been determined as not satisfying the first determination criterion satisfies a second determination criterion associated with a second production line; and a raw material or in-process item which does not satisfy the first determination criterion but satisfies the second determination criterion is provided as a recovered item for the second production line.
Resumen de: WO2026059122A1
A pulsating heat pipe module according to the present invention allows for the formation of complex flow paths, thereby maximizing heat dissipation. In addition, a press method is used in the present invention to manufacture the pulsating heat pipe module, which can reduce the processing time and cost compared to conventional methods such as etching, and thus the present invention enables mass production of the pulsating heat pipe module. Moreover, the pulsating heat pipe module according to the present invention comprises: a channel plate which has flow-path holes created by piercing a flat metal plate; a bottom plate which has flow-path grooves formed by shaping a flat metal plate and has slots into which the channel plate is inserted; and a cover plate formed by bending a flat metal plate to cover the outer surfaces of the channel plate and the bottom plate, and thus the present invention not only makes manufacturing easy and assembly simple, but also offers the advantage of increased heat transfer area because the working fluid flows through both the channel plate and the base plate.
Resumen de: WO2026059123A1
A battery pack is disclosed. A battery pack according to an embodiment of the present invention comprises: a case providing a space therein and having a base plate assembly; and a battery module having a bottom plate assembly installed on the base plate assembly, wherein the bottom plate assembly comprises: a first venting flow path formed therein; a first inlet hole for communicating the inside of the battery module and the first venting flow path; and a discharge hole for communicating the outside of the battery module and the first venting flow path.
Resumen de: WO2026059155A1
The present invention provides a jig cleaning system (10) comprising a jig (100) used for laser (L) processing of an electrode sheet (50) and a jig cleaning unit (200) for cleaning the jig (100). The jig (100) comprises a first jig part (110) and a second jig part (120) which are arranged on one side and the other side in a first direction, respectively, which are formed to extend to the other side and one side in the first direction, respectively, and which are arranged adjacently such that front ends thereof face each other in the first direction at a predetermined interval from each other. The jig (100) is arranged so that, during laser (L) processing, the first jig part (110) and the second jig part (120) are in contact with an electrode sheet (50) transferred to one side or the other side in the first direction, and a laser (L) can pass between the first jig part (110) and the second jig part (120). The jig cleaning unit (200) comprises a first rotary shaft (212) extended in the first direction, and a first brush part (210) including a plurality of first brush bristles (214) and a plurality of second brush bristles (216) coupled to outer circumferential surfaces of one side and the other side of the first rotary shaft (212) in the first direction, respectively, so as to protrude to the outside of the first rotary shaft (212) and to abut the first jig part (110) and the second jig part (120), respectively, in accordance with rotation of the first rotary shaft (212).
Resumen de: WO2026056259A1
Disclosed in the present invention is a capacity restoration method for a lithium metal battery. A lithium metal battery has a conventional charging rate of C1, and a conventional discharging rate of C2, and the lithium metal battery capacity restoration method comprises: primary discharging: performing discharging at the conventional discharging rate C2 until a full-discharge state is reached; charging: performing charging at a charging rate C3 until a preset charging cut-off voltage is reached, and maintaining the preset charging cut-off voltage for constant voltage charging until the charging current is less than 0.025C, wherein 0.05C1≤C3≤0.8C1, and C is the nominal capacity of the lithium metal battery; and secondary discharging: performing discharging at a discharging rate C4 until a preset discharging cut-off voltage is reached, 0.05C1≤C4≤0.8C1. In this way, the capacity can be restored in a timely manner during the use of lithium metal batteries, and the restoration process can be accurately controlled on the basis of the actual condition of the batteries, thereby effectively improving the cycle performance of lithium metal batteries and prolonging the cycle life thereof. Further disclosed in the present invention is a lithium metal battery, the capacity of which may be restored by means of the capacity restoration method.
Resumen de: WO2026056227A1
An energy storage system, comprising a battery cluster, which battery cluster comprises battery modules, each of which is provided with two charge-discharge ports; a first connector; a second connector; a first connecting cable; a second connecting cable; and a high-voltage box provided with a first port and a second port, wherein the first connecting cable is connected to the first connector and the first port, respectively, and the second connecting cable is connected to the second connector and the second port, respectively; the first connector and the second connector are respectively connected to two charge-discharge ports; and the first connecting cable does not cross the second connecting cable.
Nº publicación: WO2026056222A1 19/03/2026
Solicitante:
BYD COMPANY LTD [CN]
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Resumen de: WO2026056222A1
Provided in the present application are a battery assembly and an electrical device. The battery assembly comprises at least two groups of cell battery packs, and a separator located between two adjacent groups of cell battery packs. The separator comprises a hard calcium silicate board, and the hard calcium silicate board comprises a hard calcium silicate material, the density of the hard calcium silicate plate being greater than 170 kg/m3 and less than 600 kg/m3. The present application can effectively inhibit the problems of heat diffusion and thermal runaway, and improve the thermal safety and other performance of the battery assembly.
BOPI
Sede Electrónica
