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1263
resultados
Última actualización
01/10/2025 [07:23:00]
Resultados 250 a 275 de 1263
Resumen de: US2025300335A1
A secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case accommodating the electrode assembly; a positive electrode current collector in the case and electrically connected to the first electrode plate; a rivet terminal having one side connected to the positive electrode current collector and another side extending to an outside of the case; an inner insulating part between the positive electrode current collector and the case to block an electrical connection between the positive electrode current collector and the case; and a distance-maintaining member between the inner insulating part and the positive electrode current collector to maintain a distance between the inner insulating part and the positive electrode current collector.
Resumen de: US2025300334A1
A battery module including banks connected in parallel or in series to each other, each of the banks including battery cells electrically connected in parallel to each other, a sensing tab configured to measure a voltage of each of the battery cells in each of the banks, and a high-voltage bus bar configured to make an electrical connection to another battery module. The high-voltage bus bar includes an insulating band including a synthetic resin that is an electrical nonconductor configured to electrically insulate the high-voltage bus bar from the sensing tab.
Resumen de: US2025300333A1
A battery pack includes: a battery cell including an electrode assembly, and an exterior material having a room portion accommodating the electrode assembly therein and a terrace portion from which an electrode tab electrically connected to the electrode assembly protrudes; a protection circuit module electrically connected to the battery cell and seated on the terrace portion; and an insulating portion between the protection circuit module and the terrace portion and between the room portion and the protection circuit module.
Resumen de: US2025300326A1
A busbar holder and a battery module are disclosed. A busbar holder includes a holder plate which supports a plurality of busbars electrically connecting a plurality of battery cells and a length adjuster supported by the holder plate and supporting a flexible circuit part configured to transmit an electric signal generated by measuring a state of the battery cells such that the flexible circuit part extends along a bent path.
Resumen de: US2025300325A1
A battery pack may include first, second, third, and fourth welding portions formed on each of a plurality of battery cell surfaces, wherein each of the first, second, third, and fourth welding portions may include first and second curved edges facing each other and first and second straight edges connecting the first and second curved edges to each other, the first and second welding portions may face each other in a diagonal direction, and the third and fourth welding portions may face each other in a diagonal direction between the first and second welding portions.
Resumen de: US2025300328A1
A cylinder type rechargeable battery of the present disclosure includes: an electrode assembly; a case comprising a body portion and an inlet portion extending into the body portion and having a portion shaped as a plane, the case accommodating the electrode assembly; and a negative electrode current collecting plate comprising a base portion comprising a portion connected to the electrode assembly and a contact portion extending from an edge of the base portion toward the inlet portion and contacting the portion shaped as the plane of an inner surface of the case, the negative electrode current collecting plate being electrically connected to the electrode assembly.
Resumen de: WO2025198334A1
The present invention relates to a method for manufacturing a positive electrode active material capable of providing a positive electrode active material which can improve the capacity, initial efficiency, and resistance characteristics of a battery by having uniform particle diameters of primary particles which are unit particles, the method comprising the steps of: (A) preparing a mixture by mixing a nickel-cobalt-manganese-based hydroxide having a nickel content of 50 mol% or more from among total transition metals and a lithium-containing raw material; (B) calcining the mixture at 300°C or above but less than 450°C, under an oxygen atmosphere to manufacture a calcined product; and (C) selectively mixing a doping element-containing raw material with the calcined product and then sintering the mixture at 700°C to 1,100°C under an oxygen atmosphere to manufacture a sintered product.
Resumen de: WO2025198409A1
The present invention relates to a positive electrode and an all-solid-state secondary battery, the positive electrode comprising a first positive electrode active material, a second positive electrode active material, and a solid electrolyte, wherein the first positive electrode active material comprises: secondary particles including a lithium nickel-based composite oxide and formed by agglomeration of a plurality of primary particles, wherein at least a portion of the primary particles are radially arranged; a first coating layer positioned on the surface of the secondary particles and containing Zr; and a second coating layer positioned on the first coating layer and containing a sulfide-based solid electrolyte, the second positive electrode active material comprises: secondary particles including a lithium nickel-based composite oxide and formed by agglomeration of a plurality of primary particles; a first coating layer containing Zr and positioned on the surface of the secondary particles; and a second coating layer containing a sulfide-based solid electrolyte and positioned on the first coating layer, wherein the second positive electrode active material has a smaller average particle diameter (D50) than the average particle diameter (D50) of the first positive electrode active material, and the solid electrolyte comprises: core particles containing a sulfide-based solid electrolyte; and a third coating layer containing a lithium-metal-phosphate compound and positioned
Resumen de: WO2025198408A1
The present invention relates to a battery system, a battery management system commonization method, and a non-transitory computer-readable recording medium. The battery system comprises: a battery module including multiple battery terminals and multiple battery cells connected in series; a CMC including multiple input terminals and a BMIC for monitoring the cell voltage of each of the multiple battery cells on the basis of signals received from the multiple input terminals; and a branching board including multiple wires for providing a power path for connecting the multiple battery terminals and the multiple input terminals, and multiple switches connected between first ends of two adjacent wires among the multiple wires, respectively, so as to perform switching operations in a connection pattern determined by the control of the BMIC.
Resumen de: WO2025194816A1
The present application belongs to the field of battery materials, and discloses a negative electrode material, a secondary battery, and an electrical device. The negative electrode material comprises: a base material, having a pore structure; and a filling material, at least distributed in pores of the base material. The base material comprises a carbon material. The filling material comprises titanium lithium oxide. The carbon material and the titanium lithium oxide each comprise fluorine.
Resumen de: WO2025194787A1
A positive electrode material and a preparation method therefor, a positive electrode sheet, a lithium ion battery, and an electric device. The particles of the positive electrode material are of a core-shell structure, and the core-shell structure comprises a nickel-rich core and a lithium nickel cobalt manganese oxide shell covering the surface of the nickel-rich core. The content of nickel in the nickel-rich core is higher than the content of nickel in the lithium nickel cobalt manganese oxide shell. The content of cobalt and the content of manganese in the lithium nickel cobalt manganese oxide shell are respectively higher than the content of cobalt and the content of manganese in the nickel-rich core. The content of nickel in the core of the positive electrode material is high, so that the capacity can be improved; the content of manganese in the shell is high, so that the safety and stability of the positive electrode material can be improved; the content of cobalt in the shell is high, so that the initial coulombic efficiency and rate capability of the positive electrode material can be improved; and the manganese-rich cobalt-rich shell effectively improves the cycle performance of the positive electrode material, and reduces gas production and heat release.
Resumen de: WO2025194795A1
A battery separator coating process and a battery separator prepared thereby, relating to the technical field of battery separators. The battery separator coating process comprises the following steps: providing a coating, the coating comprising 35-45 parts by weight of polyvinylidene fluoride micro powder, 15-25 parts by weight of fluorine-silicon modified polyurethane, 4.8-5.8 parts by weight of nano aluminum oxide, 1-2 parts by weight of a wetting agent, 0.2-0.3 parts by weight of a thickening agent, 0.1-0.15 parts by weight of a dispersing agent and 40 parts by weight of a solvent; coating a base film with a dot coating: coating the surface of the base film with the coating by using a flexographic printing process, and on a continuous winding belt, drying at 110-120°C for 1-2 s and drying at 60-80°C for 10-15 s. By using the process above, the base film is coated with the dot coating, so that stable coating of the dot coating having a dot diameter of 0.01 mm and an inter-dot spacing of 0.01 mm can be achieved, thereby obtaining a battery separator having high electrode sheet bonding performance, high air permeability and long service life.
Resumen de: US2025300324A1
A battery stack includes: a plurality of battery modules; and conductive members provided on both side of the battery modules in a first direction of the battery modules via an adhesive member including first and second adhesive members. Further, the conductive member, when viewed from a second direction perpendicular to the first direction, includes first and second flat plate portions, and a connecting portion located between the first flat plate portion and the second flat plate portion, the first flat plate portion is located on a battery module side in the first direction than the second flat plate portion, and a Young's modulus of the first adhesive member disposed between the first flat plate portion and the battery module is less than the Young's modulus of the second adhesive member disposed between the second flat plate portion and the battery module.
Resumen de: US2025300321A1
A battery includes: an electrode assembly in which a current collector foil, a positive electrode active material layer, and a negative electrode active material layer are stacked, and the current collector foil includes an uncoated portion not coated with the positive electrode active material layer and the negative electrode active material layer in a stacking direction; a first sealing member having a quadrilateral frame shape, the first sealing member being disposed so as to cover a region of the uncoated portion on an end side of the current collector foil; and a second sealing member having a quadrilateral frame shape, the second sealing member being disposed so as to cover an outer surface of the first sealing member. The second sealing member is configured of a material having a linear thermal expansion coefficient of 40×10−6/° C. or less in at least a region of a corner portion.
Resumen de: US2025300330A1
The present invention relates to an electrode assembly configured such that a separator is interposed between a plurality of electrodes each having an electrode tab protruding therefrom and the electrode tabs are stacked to form a tab bundle, wherein a convex portion and a concave portion are successively formed at the tab bundle so as to extend in a longitudinal direction of the electrodes. The convex portion and the concave portion formed at the tab bundle ensure the length margin of the electrode tabs to prevent tab breakage.
Resumen de: US2025300331A1
A secondary battery is provided that reduces welding resistance between an electrode tab and a terminal and quickly and easily dissipates heat if a plurality of electrode assembles are installed in one case. The secondary battery includes a plurality of electrode assemblies including a negative electrode plate provided with a negative electrode non-coating portion and a positive electrode plate provided with a positive electrode non-coating portion, a case accommodating the electrode assembly, a cap plate covering an open inlet of the case, a negative electrode terminal installed on the cap plate for each of the electrode assemblies and electrically connected to the negative electrode non-coating portion, and a positive electrode terminal installed in the case in an opposite direction of the negative electrode terminal and electrically connected to the positive electrode non-coating portion.
Resumen de: US2025300327A1
A battery module and a method of manufacturing the same, are capable of improving the stability of mechanical and electrical connections. The battery module includes a housing, a battery cell disposed inside the housing, a first bus bar connected to the battery cell and including a first conductive material connected to the first bus bar and a module bus bar. The second bus bar includes a second conductive material that is different than the first conductive material.
Resumen de: WO2025197891A1
The purpose of the present invention is to provide: a button-type battery comprising a battery container having an exterior can, a sealing can, and a resin gasket, the button-type battery making it possible to satisfactorily suppress intrusion of moisture from the outside to the inside and dissipation of moisture from the inside to the outside; and a method for manufacturing the button-type battery. A button-type battery according to the present invention is characterized by comprising a battery container having an outer can, a sealing can, and a resin gasket interposed between the outer can and the sealing can, said button-type battery furthermore being characterized in that: a positive electrode, a negative electrode, and an electrolyte are accommodated inside the battery container; a resin coating layer is formed on the surface of the gasket exposed to the outside; and (1) the resin in the resin coating layer is a cured product of a photocurable olefin resin, or (2) the resin coating layer contains an olefin resin having a glass transition temperature of 30°C or less and an elongation percentage of 300% or greater.
Resumen de: WO2025197854A1
The present invention reduces the damage incurred to a member used to mitigate the collapse of an end part of a laminate. This battery manufacturing device (1) press-forms laminates (10) in which a positive electrode layer, a negative electrode layer, and a solid electrolyte layer interposed between the positive electrode layer and the negative electrode layer are laminated. The battery manufacturing device (1) comprises: press pins (31, 32) that apply pressure, to a plurality of the laminates (10) laminated in the thickness direction of the laminates (10), in the thickness direction; and a sandwich plate (6) that has a sandwiched part at least partially sandwiched by two of the laminates (10), a peripheral part provided spaced apart from and in the vicinity of the sandwiched part, and an intermediate part connected to the sandwiched part and the peripheral part and having a lower stiffness than the sandwiched part.
Resumen de: WO2025198302A1
The present invention relates to a polymer and aramid nanofibril composite membrane, a manufacturing method thereof, and a secondary battery comprising same. According to an embodiment of the present invention, it is possible to provide a membrane composed of a polymer and aramid nanofibril composite having a maximum porosity of about 98% by sequentially performing phase separation of the polymer, nanofibrillization of aramid nanoseeds, and pore generation by polymer swelling.
Resumen de: WO2025197820A1
Provided is a resin that is exceptional in terms of ion conductivity and affinity with a solid electrolyte and is suitable as a binder of a solid electrolyte. The resin is characterized by having a structure represented by formula (1). In formula (1), R1 represents a hydrogen atom or a C1-3 alkyl group. R2 represents a C1-6 divalent alkylene group. n represents an integer of 2 or greater, and R3 each independently represent a C3-6 divalent alkylene group. R4 represents a C3 or higher alkyl group or a phenyl group, and hydrogen atoms of the phenyl group may be substituted with a C1-3 alkyl group.
Resumen de: WO2025198311A1
The present invention relates to a solid electrolyte for an all-solid-state battery. The solid electrolyte for an all-solid-state battery according to an embodiment of the present invention comprises Li2O, V2O5, P2O5, and LiCl.
Resumen de: WO2025195220A1
The present application provides a secondary battery and an electric device. The secondary battery comprises a positive electrode sheet and a negative electrode sheet. The positive electrode sheet comprises a positive electrode active material; the positive electrode active material comprises a ternary material containing a nickel element and a crystalline coating layer located on at least part of the surface of the ternary material; and the ternary material has a molecular formula of LiaNibCocMn1-b-cOe, wherein 0.9≤a≤1.2, 0.55≤b≤0.96, 0
Resumen de: WO2025194936A1
Disclosed in the embodiments of the present application are a lithium-ion battery and an electric device. The lithium-ion battery comprises an electrolyte, wherein the electrolyte comprises a lithium salt, and the concentration c of the lithium salt in the electrolyte satisfies: c≥1 mol/L; the density ρ of the electrolyte satisfies: 0.9 g/mL≤ρ≤1.23 g/mL; and the charging time t of charging the lithium-ion battery from 10% SOC to 80% SOC satisfies 8.8 min≤t≤15 min: The lithium-ion battery has both good fast-charging capability and cycling performance.
Nº publicación: WO2025194683A1 25/09/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2025194683A1
Embodiments of the present disclosure provide a current collector, a cooling assembly, a battery, and an electrical device. The current collector is used to connect to a harmonica-shaped tube, and comprises a cover body, supporting ribs, and a supporting elastic piece. The cover body is provided with a first flow channel having a first opening. Multiple supporting ribs are connected to the cover body at intervals, and are located in the first flow channel. A snap-fit groove is formed between the supporting ribs and the cover body, the snap-fit groove being used for containing the harmonica-shaped tube. The supporting elastic piece is connected to the supporting ribs, and at least a portion of the supporting elastic piece extends between two adjacent supporting ribs, the supporting elastic piece being used to support the harmonica-shaped tube.
BOPI
Sede Electrónica
