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1864
resultados
Última actualización
12/03/2026 [08:03:00]
Resultados 775 a 800 de 1864
Resumen de: WO2026048543A1
Provided is a non-aqueous electrolyte secondary battery comprising an electrode assembly in which a band-shaped positive electrode (11) and a band-shaped negative electrode are wound along the length direction with a separator therebetween, wherein the positive electrode (11) has a positive electrode core (30), and a positive electrode mixture layer (31) and a protective layer (33) formed on the positive electrode core (30), a non-mixture layer portion (32) in which the positive electrode mixture layer (31) is not formed is disposed at a winding-starting end portion (11B) of the positive electrode (11), the protective layer (33) contains an insulating material as a main component and is formed from the winding-starting end (11A) of the positive electrode (11) toward a winding-ending side to cover the non-mixture layer portion (32), and a portion of the protective layer (33) is disposed between the positive electrode core (30) and the positive electrode mixture layer (31).
Resumen de: WO2026048341A1
This non-aqueous electrolyte secondary battery includes an electrode body in which a band-shaped positive electrode (11) and a band-shaped negative electrode are wound along the length direction with a separator interposed therebetween, and the non-aqueous electrolyte secondary battery is characterized in that: the positive electrode (11) has a positive electrode core body (30) and a positive electrode mixture layer (31) formed on the positive electrode core body (30); a mixture layer non-formation part (32) is disposed at a winding start end part (11B) of the positive electrode (11), in which the positive electrode mixture layer (31) is not formed; and a protective layer (33) is formed on the surface of a part of the positive electrode core body (30) provided with the mixture layer non-formation part (32), the protective layer (33) being formed from a winding start end (11A) of the positive electrode (11) toward a winding end side, a part of the protective layer (33) being disposed between the positive electrode core body (30) and the positive electrode mixture layer (31), the protective layer (33) containing an insulating material as a main component and a conductive agent as a sub-component.
Resumen de: WO2026048347A1
Provided is a heat transfer suppression sheet that has exceptional heat insulation performance and is capable of absorbing deformation of a battery cell to suppress any decrease in battery performance and maintaining exceptional compression restoration force, thereby making it possible to prevent positional deviation and ensure exceptional heat insulation performance even when an abnormality occurs. A heat transfer suppression sheet (10) comprises: a heat-insulating material (11) that contains inorganic particles and at least one of organic fibers and inorganic fibers, the heat-insulating material (11) having a first main surface (21) and a second main surface (22) that constitute a pair; and an elastic body (12) that is layered in the thickness direction of the heat-insulating material (11). The second main surface (22) of the heat-insulating material (11) is disposed facing the elastic body (12). The maximum height Sz2 representing the surface roughness of the second main surface (22) is greater than the maximum height Sz1 representing the surface roughness of the first main surface (21).
Resumen de: WO2026048415A1
A non-aqueous electrolyte solution according to the present embodiment comprises lithium hexafluorophosphate, lithium bis(fluorosulfonyl)imide, and lithium nitrate. In the non-aqueous electrolyte according to the present embodiment, the molar ratio of the lithium nitrate to the molar ratio of the lithium hexafluorophosphate is 0.01-0.15, and the molar ratio of the lithium bis(fluorosulfonyl)imide to the molar ratio of the lithium hexafluorophosphate is 0.1-1.0.
Resumen de: WO2026045374A1
The present application relates to the technical field of terminals. Provided in the embodiments are a power supply apparatus, a charging method, an electronic device, a chip system and a storage medium. The power supply apparatus comprises at least one first-type voltage conversion unit, a register, at least one first-type power supply interface and at least one second-type power supply interface. Any first-type power supply interface is connected to any first-type voltage conversion unit, so as to transmit to a first-type electrical device an output voltage of the first-type voltage conversion unit. The first-type electrical device comprises a peripheral device. The second-type power supply interface is connected to a charger or a battery unit of the power supply apparatus, so as to transmit Vsys to an external LDO. The turning on, voltage output and turning off of the first-type voltage conversion unit are all performed according to parameters that are preset in the register for the first-type voltage conversion unit, rather than being controlled by an MCU. Thus, the likelihood of power failure of peripheral devices can be reduced.
Resumen de: WO2026045376A1
Embodiments of the present disclosure provide a heat exchange assembly, a battery apparatus, an electric device, and an energy storage device. The battery apparatus comprises a case assembly, a battery cell assembly, and a heat exchange assembly. The battery cell assembly is arranged in the case assembly. The heat exchange assembly is used for heat exchange with the battery cell assembly. The heat exchange assembly comprises rigid connectors and at least two flexible members, wherein the at least two flexible members are stacked, a heat exchange flow channel is formed between the flexible members, and the heat exchange flow channel is used for conducting a heat exchange medium. Each rigid connector is provided with a connection channel, the rigid connectors are connected to the flexible members, and the connection channels are communicated with the heat exchange flow channel. The heat exchange assembly of the battery apparatus provided in the embodiments of the present disclosure can be communicated with the outside by means of the rigid connectors, thereby realizing heat exchange with the battery cell assembly; moreover, the energy density of the battery apparatus can be improved, and the degree of fit between the heat exchange assembly and the case assembly and/or the battery cell assembly can also be improved, thereby improving the heat exchange efficiency and heat exchange effect of the heat exchange assembly.
Resumen de: WO2026045319A1
A lithium metal battery cell and a preparation method therefor, a preparation method for a positive electrode sheet, a battery apparatus and an electrical apparatus. The lithium metal battery cell comprises a lithium metal negative electrode sheet, an electrolyte and a positive electrode sheet; the positive electrode sheet comprises a positive electrode current collector and a positive electrode active material film layer provided on at least one side of the positive electrode current collector; the positive electrode active material film layer comprises a lithium-conducting binder, a lithium salt, and a liquid plasticizer; and the film-like liquid plasticizer is comprised between the positive electrode active material film layer and the electrolyte.
Resumen de: WO2026049552A1
The present invention relates to a positive electrode active material, a method for preparing same and all-solid-state rechargeable batteries, the positive electrode active material comprising: a first positive electrode active material comprising a secondary particle that contains a first lithium nickel-based composite oxide and is formed by aggregation of a plurality of primary particles, a first coating layer that is positioned on the surface of the secondary particle and contains boron, and a second coating layer that is positioned on the first coating layer and contains lithium aluminate; and a second positive electrode active material which comprises a particle that contains a second lithium nickel-based composite oxide and is in the form of a single particle, a first coating layer that is positioned on the surface of the single particle and contains boron, and a second coating layer that is positioned on the first coating layer and contains lithium aluminate, and which has an average particle diameter smaller than the average particle diameter of the first positive electrode active material.
Resumen de: WO2026049414A1
The present invention relates to a secondary battery and, more specifically, to a secondary battery which can be repeatedly charged and discharged. A secondary battery according to an embodiment of the present invention comprises: an electrode assembly comprising electrodes and a separator; a housing accommodating the electrode assembly; an electrode lead connected to the electrode assembly and protruding to the outside of the housing; a lead film covering at least a part of the electrode lead such that the electrode lead is insulated from the housing; and a gas discharge guide portion provided between the electrode lead and the lead film and forming a gas discharge path through which gas inside the housing is discharged to the outside when the internal pressure of the housing increases, wherein a gap between one end of the lead film adjacent to the electrode assembly and the gas discharge guide portion may be narrower than a gap between the other end of the lead film and the gas discharge guide portion.
Resumen de: WO2026049403A1
A battery cell production apparatus, a battery cell produced using same, and a battery pack and a vehicle comprising the battery cell are disclosed. The battery cell production apparatus. according to one embodiment of the present invention, which produces a battery cell by using an electrode foil on which a coating layer is formed, comprises: an electrode generation member for generating an electrode foil; a winding member for winding, in the form of a jelly roll, an electrode generated using the electrode generation member; and a folding member for folding the electrode.
Resumen de: WO2026049535A1
The present specification relates to a cathode active material, and a cathode and a lithium secondary battery comprising same, the cathode active material comprising a lithium manganese iron phosphate-based compound, wherein the value calculated in mathematical formula 1 is 60 or less, and the average grain size of the lithium manganese iron phosphate-based compound is 135 nm or less.
Resumen de: WO2026045156A1
Provided in the present disclosure are a battery cover plate, a battery, a battery pack and an electrical device, belonging to the technical field of batteries. The battery cover plate comprises a cover plate body, a connecting structure being used for connecting the cover plate body and a tab of a battery. The current carrying area of the connecting structure is not less than the ratio of the current carrying capacity of the connecting structure to the current carrying coefficient of the connecting structure. The present disclosure enables the current carrying area corresponding to the cover plate body to be reasonably designed on the basis of current values of different batteries, thus helping to reduce the manufacturing cost of the cover plate body.
Resumen de: WO2026045150A1
Provided in the present application are a heat-absorbing material and a preparation method therefor, a heat-absorbing part, a battery assembly and an electric device. The heat-absorbing material comprises a carrier, an entrainer and a phase-change component, wherein the phase-change component and the entrainer form a negative azeotrope. The entrainer and the phase-change component in the heat-absorbing material of the present application form a negative azeotrope, such that the phase-change component undergoes phase change when the temperature is lower than the phase-change temperature of the phase-change component, thereby absorbing heat, realizing a heat-absorbing effect, improving the heat-absorbing response speed of the heat-absorbing material, and further improving the usage safety of the battery assembly.
Resumen de: WO2026045147A1
A lithium-ion battery and a preparation method therefor, and an electric device. The lithium-ion battery comprises: a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode active material and a solid electrolyte interface layer, the solid electrolyte interface layer comprises a first film layer and a second film layer, the first film layer covers at least part of the surface of the negative electrode active material, and the second film layer covers at least part of the surface of the side of the first film layer away from the negative electrode active material; and the oxygen content of the second film layer is greater than the oxygen content of the first film layer. The solid electrolyte interface layer in the lithium-ion battery has a double-layer structure and strong stability, and can reduce active lithium loss and lithium ion transmission impedance during cycling, thereby improving the cycle stability of the battery.
Resumen de: WO2026045137A1
A power apparatus, comprising a battery assembly. The battery assembly comprises Q battery units arranged in sequence, wherein a heat-absorbing member is provided between any two adjacent battery units, each battery unit comprises N cells arranged in sequence, Q≥2, and N≥1. By controlling the mass of a heat-absorbing member to satisfy a relational expression defined in the present application, it can be ensured that the heat-absorbing member can effectively suppress thermal diffusion from a cell undergoing thermal runaway, without significantly reducing the space utilization rate of the battery assembly.
Resumen de: WO2026045320A1
Provided are a lithium metal battery cell and a preparation method therefor, a preparation method for a positive electrode sheet, a battery apparatus and an electrical apparatus. The lithium metal battery cell comprises a lithium metal negative electrode sheet and a positive electrode sheet; the positive electrode sheet comprises a positive electrode current collector and a positive electrode active material film layer provided on at least one side of the positive electrode current collector; the positive electrode active material film layer comprises a lithium-conducting binder, a lithium salt and a plasticizer; the plasticizer is used for dissociating and/or dispersing the lithium salt; the plasticizer comprises one or more of a sulfone compound, a sulfonamide compound and an aromatic nitrile.
Resumen de: WO2026045334A1
The present application belongs to the technical field of batteries. Disclosed are a battery device and an electrical device. The battery device comprises a case body component, two limiting members and a plurality of battery cells, the two limiting members being spaced in a first direction, and the limiting members being connected to the case body component. The plurality of battery cells are arranged in the first direction and arranged between the two limiting members. The plurality of battery cells comprise a first end battery cell which is located at one end in the first direction, the first end battery cell comprising a first casing and a first end cover, the first casing being provided with a first opening, the first end cover covering the first opening and being connected to the first casing to form a first connection portion, and, in the first direction, the projection of the first connection portion at least partially overlapping a limiting member. The battery device has high reliability.
Resumen de: WO2026045339A1
A control method, a control device (2), an energy storage power supply (1), and a storage medium. The control method comprises: when an energy storage power supply (1) is disconnected from a charger and under load, acquiring a load current and a load time of the energy storage power supply (1); acquiring a correction time of the energy storage power supply (1); acquiring a state of charge (SOC) deviation of the energy storage power supply (1); determining a speed factor on the basis of the ratio of the SOC deviation to the correction time; and acquiring a first SOC of the energy storage power supply (1) on the basis of the load current, the speed factor, and the load time until the load time reaches the correction time.
Resumen de: WO2026044654A1
The present application provides an electrolyte for a secondary battery, a secondary battery, and an electronic device. The electrolyte comprises a first component and a second component; the first component comprises a compound represented by formula I, and the second component comprises a compound represented by formula II. By applying the electrolyte comprising both the first component and the second component to the secondary battery, the cycle performance of the secondary battery is improved, thereby enabling the electronic device to have elongated service life.
Resumen de: US20260066371A1
A cylindrical battery sorting system includes a host, a conveying device, a sorting device, an acceleration device, and a camera device. The conveying device is electrically connected to the host, includes rollers disposed side by side, and has a feeding area, an acceleration area, and a sorting area. The sorting device is electrically connected to the host and disposed corresponding to the sorting area. The acceleration device is electrically connected to the host and disposed in the acceleration area. The camera device is electrically connected to the host and disposed corresponding to the acceleration area. When a battery enters a capturing area, the camera device moves synchronously with rolling of the battery to capture an image of the rolling battery, and transmit the image back to the host to determine type of the battery. The sorting device places the battery into a corresponding recycling area according to the captured image.
Resumen de: US20260066343A1
Described herein are methods for the generation of argyrodite solid electrodes utilizing a dry microwave process, removing the necessity of additional mechanical processing, solvent removal and high temperature annealing. The described methods reduce both time and cost for generating argyrodite materials, while maintaining phase purity and electrochemical properties that make argyrodites desirable as electrolytes. The provided methods and materials are versatile and can be used with a variety of argyrodite compositions, including Li7−yPS6−yXy (X═Cl, Br, I).
Resumen de: WO2026049456A1
The present specification relates to a negative electrode active material, and a negative electrode and a secondary battery comprising same. According to an embodiment of the present invention, provided is a negative electrode active material comprising a silicon-based active material and a coating layer provided thereon, wherein the silicon-based active material comprises at least one selected from the group consisting of pure Si, SiOx (0
Resumen de: WO2026049476A1
A battery pack according to the present invention comprises: at least one battery assembly having a plurality of battery cells, and a venting hole in a first direction; a pack case having an accommodation space in which the battery assembly is accommodated; and a cooling venting member which is arranged in the first direction of the battery assembly, and which includes a venting part in which venting gas discharged from the venting hole flows and a cooling part for cooling the battery assembly.
Resumen de: WO2026049355A1
A device for controlling a battery, according to an embodiment of the present invention, controls a battery pack including a plurality of modules, each module including a plurality of cells connected in series, and may include: a selection circuit unit including one or more switches connected to a positive electrode of each cell and one or more switches connected to a negative electrode of each cell; a resonance circuit unit including one or more inductors and one or more capacitors and having one end connected to a first node and the other end connected to a second node; and a control unit that controls the plurality of switches in the selection circuit unit and one or more switches in the resonance circuit unit to measure the impedance of a selected cell among the plurality of cells or to perform charge equalization between the plurality of cells or charge equalization between the plurality of modules.
Nº publicación: WO2026049356A1 05/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
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Resumen de: WO2026049356A1
A battery pack is disclosed. A battery pack according to an embodiment of the present invention comprises: a first battery module having a first port; a second battery module positioned on one side of the first battery module and having a second port; and a pipe assembly for communicating the first port and the second port, wherein the pipe assembly may comprise: a holder that is coupled to the outer surface of the first port and has a through hole; a first connector that passes through the through hole and is inserted into the first port; and a fixing member that fixes the holder to the first connector.
BOPI
Sede Electrónica
