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1635
resultados
Última actualización
11/03/2026 [07:42:00]
Resultados 200 a 225 de 1635
Resumen de: US20260066359A1
A secondary battery is provided, including an electrode assembly which includes a negative pole sheet, a first separator, a positive pole sheet, and a second separator stacked and wound in sequence. The negative pole sheet includes a negative coated area and a negative tab protruding from the negative coated area. The positive pole sheet includes a positive coated area and a positive tab protruding from the positive coated area. The negative tab and the positive tab are respectively located on two opposite sides of the electrode assembly, and a direction from the negative tab to the positive tab is a height direction. Along the height direction, an upper end of the negative coated area overhangs an upper end of the positive coated area. Along a direction away from the height direction, a lower end of the negative coated area overhangs a lower end of the positive coated area.
Resumen de: US20260066479A1
A battery assembly includes: a stack including a plurality of battery cells arranged side by side in a first direction; a bus bar module provided on the stack; and a fitting member fitted to an end portion of a housing of at least one of the plurality of battery cells in a second direction orthogonal to the first direction. The fitting member has an engagement portion, and the engagement portion is engaged with the bus bar module so as to position the bus bar module with respect to the stack at least in the first direction.
Resumen de: US20260066482A1
A conductive module includes a bus bar that is physically and electrically connected to an electrode terminal of a battery cell, a flexible printed circuit that is molded in a rectangular shape extending in an arrangement direction of the plurality of battery cells, and electrically connects between a battery monitoring unit and the bus bar, and an electric wire for each of the bus bars that has flexibility and electrically connects the bus bar to the flexible printed circuit. The flexible printed circuit includes a circuit conductor for each of the bus bars that electrically connects the bus bar to the battery monitoring unit, and a pad portion for each of the bus bars that is provided adjacent to the bus bar and is electrically connected to the circuit conductor for the bus bar.
Resumen de: US20260066467A1
An all solid battery includes a multilayer body having a substantially rectangular parallelepiped shape, in which a first electrode layer including a first electrode and a first margin portion and a second electrode layer including a second electrode different from the first electrode and a second margin portion are stacked in multiple layers with a solid electrolyte layer sandwiched therebetween. Among four side faces other than an upper face and a lower face at ends of the multilayer body in a stacking direction, the first margin portion is arranged so as to be exposed to first two side faces facing each other, the first electrode is extended to second two side faces other than the first two side faces, the second margin portion is arranged so as to be exposed to the second two side faces, and the second electrode is extended to the first two side faces.
Resumen de: US20260066477A1
A wiring module is to be coupled to a battery stack member including power storage elements that have electrode terminals and are stacked. The wiring module includes an electric wire and a protector including an electric wire housing portion that has a groove shape extending in a first direction and in which the electric wire is arranged. The electric wire housing portion includes a bottom wall, a pair of side walls that extend upward from two side edges of the bottom wall and that are opposite each other in a second direction that is perpendicular to the first direction, and at least one stopper piece that extends from one of the pair of side walls toward other one of the pair of side walls and with which the electric wire is less likely to be out of the electric wire housing portion.
Resumen de: US20260066466A1
A battery including a self-supporting laminate structure is provided. The laminate structure includes a solid electrolyte sheet containing a solid electrolyte, a first active material layer containing a first active material on one major surface of the solid electrolyte sheet, and a second active material layer containing a second active material on the other major surface of the solid electrolyte sheet. The solid electrolyte sheet preferably has a first extending portion extending outwardly from the periphery of the first active material layer or, a second extending portion extending outwardly from the periphery of the second active material layer.
Resumen de: US20260066404A1
An aerosol-generating system is provided, including: a battery including an electrode component and a packaging for the electrode component; and an adhesive element provided in between the electrode component and the packaging, the packaging including a packaging layer and a protective layer, the protective layer being arranged in between the packaging layer and the electrode component, the protective layer being electrically non-conductive, the adhesive element being in contact with the protective layer, the protective layer being provided with an adhesive or including adhesive, and the adhesive of the protective layer being configured to increase its adhesive force during heating in manufacturing of the battery from an initial value that is lower than an adhesive force of the adhesive element. A method of manufacturing a battery for an aerosol-generating system is also provided.
Resumen de: US20260066387A1
Provided are a cooling plate, a battery pack, and an electric device. The cooling plate has at least one flow channel. The at least one flow channel includes a first flow channel. The first flow channel has a cross section in a shape of a non-circle. In the case that the cooling plate is subjected to an external pressure, the shape of the cross section of the first flow channel changes to enable a volume of the first flow channel to be increased.
Resumen de: US20260066384A1
A battery for an electric vehicle is provided. The battery includes a battery pack housing, a battery pack carried by the battery pack housing, and a superbeam contained within the battery pack housing. The superbeam includes a first face plate, a first passenger plate that partially abuts the first face plate, a first subchannel defined by the first face plate and the first passenger plate, a second passenger plate, a thermal barrier interlayer disposed between the first passenger plate and the second passenger plate, a second face plate opposite the first face plate, a second subchannel defined by the second face plate and the second passenger plate, and an inlet port and an outlet port extending through the superbeam. A portion of the first passenger plate and a portion of the second passenger plate define an air gap. The thermal barrier interlayer extends into the air gap.
Resumen de: US20260066346A1
An electrolyte includes lithium tetrafluoroborate and a compound of Formula Iwhere a mass percentage A of the lithium tetrafluoroborate satisfies 0.1%≤A≤2%, and a mass percentage B of the compound of Formula I satisfies 0.010%≤B≤20%.
Resumen de: US20260066349A1
An electrolyte includes a compound of formula Iand a compound of formula IIBased on a mass of the electrolyte, a mass percentage A of the compound of formula I satisfies 0.01%≤A≤70%, and a mass percentage B of the compound of formula II satisfies 2.0%≤B≤20%.
Resumen de: US20260066257A1
A battery aluminum foil coating device, a battery aluminum foil coating method, and a battery are provided. By sequentially passing the aluminum foil through an unwinding mechanism, a double-sided coating assembly, a first-sided coating assembly, a second-sided coating assembly and a winding mechanism to complete double-sided coating, the aluminum foil carbon layer coating process and the electrode slurry coating process may be combined, production cost may be reduced, production cycle may be shortened, and resource waste may be reduced.
Resumen de: US20260066410A1
A method for fabricating an electricity storage device includes: preparing a square case including a rectangular opening; preparing a sealing plate to be attached to the opening along an edge of the opening; preparing assembly of attaching the sealing plate to the opening of the case; and performing main welding of laser welding the case and the sealing plate over an entire circumference of a periphery of the sealing plate. In the main welding, laser welding over the entire circumference of the sealing plate is performed in at least four steps.
Resumen de: WO2026048346A1
Provided is a heat transfer suppression sheet having excellent heat insulation performance, capable of absorbing deformation of a battery cell and thereby suppressing degradation of battery performance, and capable of suppressing positional deviation. Due to the foregoing, the heat transfer suppression sheet is capable of ensuring excellent heat insulation performance even in the event of failure. This heat transfer suppression sheet (10) comprises: a heat insulating material (11) that contains inorganic particles, and organic fibers and/or inorganic fibers, and that has a first main surface (21) and a second main surface (22) forming a pair; and an elastic body (12) that is laminated in the thickness direction of the heat insulating material (11). The first main surface of the heat insulating material (11) is disposed facing the elastic body (12). A maximum height Sz1 representing the surface roughness of the first main surface (21) is lower than a maximum height Sz2 representing the surface roughness of the second main surface (22).
Resumen de: WO2026045396A1
A clamping device, which is used for clamping an encapsulated electrode assembly (101). The encapsulated electrode assembly comprises an electrode assembly (30) and an encapsulating film (40). The encapsulating film comprises an accommodating portion (41) for accommodating the electrode assembly and an edge sealing portion (42) surrounding the outer periphery of the accommodating portion. The clamping device comprises: a clamping member (102) for clamping the encapsulated electrode assembly, the clamping member comprising an annular clamping area (102a), and the clamping member being configured to clamp the edge sealing portion in the clamping area; and an adjustment member (103) for adjusting a clamping force applied by the clamping member to clamping the edge sealing portion. The clamping device can alleviate the problem of deformation of the electrode assembly during isostatic pressing. Also provided are a battery production apparatus comprising the clamping device and an electrode assembly shaping method using the clamping device.
Resumen de: WO2026045392A1
The present invention relates to the technical field of batteries, and particularly relates to a method for improving the air stability of a sulfide solid electrolyte. The method comprises the following steps: mixing a sulfide solid electrolyte with a solvent to form a slurry I; mixing mercaptan with a solvent to form a slurry II; and simultaneously spraying the slurry I and the slurry II to the center of a material mixing device that is provided with an air drying device, and drying same under the air drying device, so as to complete the improvement of the air stability of the sulfide solid electrolyte. By spraying the sulfide solid electrolyte and the mercaptan, the two collide with each other at a certain airflow rate; therefore, sulfydryl of the mercaptan is coordinated with metal cations or exposed sulfur vacancies on the surface of the sulfide solid electrolyte to form a stable thiolate or complex, thereby achieving a particle coating or semi-coating effect on the sulfide solid electrolyte.
Resumen de: WO2026045368A1
Provided are a secondary battery, an electric device, a solid electrolyte layer and a preparation method therefor. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and a solid electrolyte layer located between the positive electrode sheet and the negative electrode sheet. The solid electrolyte layer comprises an electrolyte material, a first binder, and a second binder. The first binder includes a polydiene-based binder, and the second binder includes a cellulose-based binder.
Resumen de: US20260066341A1
The present invention relates to a sulfide-based solid electrolyte having excellent moisture stability and ionic conductivity, a method of preparing the same, and an all-solid-state battery including the sulfide-based solid electrolyte, wherein the present invention provides a solid electrolyte which includes a core portion including sulfide-based solid electrolyte particles; and a surface portion which is formed on the core portion and includes fluorine-doped sulfide-based solid electrolyte particles, wherein the surface portion includes a concentration gradient region in which a concentration of a fluorine (F) atom is decreased from a surface of the surface portion toward the core portion, a method of preparing the same, and an all-solid-state battery including the solid electrolyte.
Resumen de: US20260066703A1
The one or more specified settings associated with the one or more battery cells in the battery pack to facilitate power transfer between the one or more battery cells in the battery pack for a battery pack is configured. The one or more settings associated with the one or more battery cells in the battery pack are accessed. The configuration for the battery pack, until the configuration meets or exceeds the battery power requirements is optimized.
Resumen de: US20260066330A1
An electrode assembly includes a first electrode, a second electrode, and a separator located between the first electrode and the second electrode. The first electrode, the second electrode, and the separator are wound in a roll shape. The first electrode includes a first coated portion in which a first active material is coated on a first current collector, and a first uncoated portion adjacent to the first coated portion and formed at one side of the first current collector. The first uncoated portion includes a plurality of cut portions each open to an outside and a plurality of flags partitioned by the plurality of cut portions. A length of each of the plurality of cut portions increases in at least one or more sections in a radial direction from a winding center.
Resumen de: US20260066329A1
A system for manufacturing a secondary battery includes a reform pin insertable into a central hole of an electrode assembly, the electrode assembly including a wound stack of a first electrode, a separator, and a second electrode, a driver configured to move the reform pin and to insert the reform pin into the central hole, after the electrode assembly is embedded in a case, and a rotator configured to rotate the reform pin.
Resumen de: US20260066351A1
An electrolyte composition for batteries is provided. The electrolyte composition includes a solvent including one or more fluorinated carbonates. The electrolyte composition further includes a lithium-based salt and a lithium (oxalato)borate salt. Additionally, a battery including the electrolyte composition is provided. The battery includes an anode, a nickel-based cathode, and the electrolyte composition disposed between the anode and the nickel-based cathode.
Resumen de: WO2026049539A1
An electrode notching apparatus for manufacturing a secondary battery, according to one embodiment of the present invention, comprises: a lower die on which an electrode sheet is placed to support the electrode sheet; and a notching unit for notching the electrode sheet and processing the same into a form including an electrode tab, wherein the lower die includes a plurality of suction holes for holding the electrode sheet such that the electrode sheet placed on the upper surface of the lower die is spread flat, and the plurality of suction holes are arranged to hold both edges in the horizontal direction and/or the vertical direction of the electrode sheet placed on the upper surface of the lower die.
Resumen de: WO2026049537A1
A lithium manganese iron phosphate (LMFP) cathode active material for a lithium secondary battery and a manufacturing method therefor are disclosed. The cathode active material according to the present invention comprises LMFP represented by LiMnaFebPO4 (a + b = 1, a > 0, b > 0), and satisfies relational expression 1. Relational expression 1 0.40 ≤ CS(101)/D50(WM) ≤ 0.48 In relational expression 1, CS(101) is a crystal size (nm) of a (101) plane measured by an X-ray diffraction analyzer, and D50(WM) is the average particle size (D50, nm) of an LMFP slurry as measured by a Malvern particle size analyzer.
Nº publicación: WO2026049534A1 05/03/2026
Solicitante:
LG CHEM LTD [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC5D8\uC9C0\uD654\uD559
Resumen de: WO2026049534A1
The present invention relates to a positive electrode active material, and a positive electrode and a lithium secondary battery comprising same, wherein the positive electrode active material comprises a lithium iron manganese phosphate-based compound, a value calculated by Equation 1 below is 60 or less, and a value calculated by Equation 2 below is 13-22. Equation 1 |LB-6|*103 Equation 2 |LD-3|*103 In Equations 1 and 2, LB is the b-axis length (unit: Å) of the crystal structure of the lithium iron manganese phosphate-based compound, and LD is the (020) interplanar spacing (d-spacing, unit: Å) of the crystal structure of the lithium iron manganese phosphate-based compound.
BOPI
Sede Electrónica
