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1435
resultados
Última actualización
22/01/2026 [07:22:00]
Resultados 125 a 150 de 1435
Resumen de: EP4683103A1
Embodiments of this application provide a battery cell and a preparation method thereof, a battery, an electric apparatus, and an energy storage apparatus, improving the internal insulation performance of the battery cell. The battery cell includes: a housing; an electrode assembly, where the electrode assembly is accommodated in the housing; an electrode terminal, where the electrode terminal is disposed on the housing; and a connecting member, where the connecting member is configured to connect the electrode terminal and the electrode assembly and a first insulating portion is disposed on at least a portion of a surface of the connecting member facing the housing.
Resumen de: EP4682275A1
The present disclosure provides an Mn-M binary multi-phase alloy, comprising: 39 wt% ≤ Mn ≤ 78 wt%, with the balance including metal M. The standard electrode potential of the metal M is higher than the standard electrode potential of Mn, and an αMn phase, a γM-Mn phase, and a y'Mn-M phase are distributed in the binary metal multi-phase alloy. In addition, the present disclosure further relates to a method for preparing the Mn-M binary multi-phase alloy, a use thereof in preparation of a porous material, a current collector including the porous material, a secondary battery, and an electrical device.
Resumen de: EP4683070A1
A box protection structure includes a bottom protection plate (120), a battery module (500) placed on the bottom protection plate (120), a reinforcing plate (200) disposed on a side of the bottom protection plate (120) facing away from the battery module (500), and buffer blocks (300) disposed on a side of the bottom protection plate (120) facing the battery module (300). The buffer blocks (300) are disposed between the battery module (500) and the bottom protection plate (120). The reinforcing plate (200) includes multiple support portions (210) and multiple connection portions (220) which are alternately distributed and connected to each other. The multiple support portions (210) and the bottom protection plate (120) are disposed at intervals, the connection portions (220) abut against the bottom protection plate (120), and the buffer blocks (300) are disposed corresponding to positions of the connection portions (220).
Resumen de: EP4683096A1
The present invention relates to an electrode lead electrically connected to an electrode assembly, the electrode lead including a metal terminal; and a film layer which is disposed on the metal terminal and has two or more patterns engraved on a surface of the film layer, wherein the two or more patterns are arranged apart from each other at equal intervals in a direction parallel to the film layer, and each of the patterns includes a side surface and a bottom surface.
Resumen de: EP4682994A1
The present application provides a polymer, a preparation method, a negative electrode plate, a secondary battery, and a power consuming apparatus. The polymer contains a structural unit derived from an unsaturated carboxylic acid monomer, a structural unit derived from an unsaturated cyano monomer, and a structural unit derived from a flexible monomer. The glass transition temperature of the flexible monomer is -60°C to 0°C, and optionally -55°C to -15°C. The polymer can reduce warping of the electrode plate and widen a processing window of the electrode plate.
Resumen de: EP4683000A1
Disclosed in the present application are an anode current collector and a preparation method therefor, a battery cell, a battery, and an electric device. The anode current collector includes a metal substrate and metal nanoparticles located on at least part of a surface of the metal substrate; and the metal substrate includes a first metal element, and the first metal element is made of a material the same as the metal nanoparticles. The anode current collector provided in the present application enables the battery to have good cycle performance and further enables the battery to have high reliability.
Resumen de: EP4682216A1
A modified polyacrylic acid adhesive, a carbon-coated aluminum foil and a battery are provided in the application. The modified polyacrylic acid adhesive is polymerized from polymerizable monomers. The polymerizable monomers includes an acrylic monomer and a first modified monomer. The acrylic monomer includes at least one of acrylic acid, sodium acrylate, and lithium acrylate. The first modified monomer comprises at least one of p-phenylenediamine, aminoalkanoic acid, styrene, vinyl alcohol, and acrylonitrile.
Resumen de: EP4682999A1
The present disclosure relates to a negative electrode for lithium-free secondary battery which can improve the electrochemical and life time characteristics of a lithium-free secondary battery, a manufacturing method thereof and a lithium-free secondary battery. The negative electrode may include a conductive metal layer; and a lithium electrodeposition induction layer formed on the conductive metal layer and containing an intermetallic compound in which copper and zinc are bonded.
Resumen de: EP4682562A2
A battery diagnosis apparatus according to an embodiment herein includes an interface configured to obtain a frequency-specific impedance of a voltage applied between each of a plurality of measurement points of a first electrode lead of an inspection target battery cell and a second electrode lead of the battery cell and one or more processors configured to diagnose a state of the battery cell, based on a first impedance that is an impedance between a first point among the plurality of measurement points and the second electrode lead, a second impedance that is an impedance between a second point among the plurality of measurement points and the second electrode lead, and a first impedance variance that is a difference between the first impedance and the second impedance.
Resumen de: EP4682110A1
The present invention relates to a positive electrode active material, which includes a single particle type lithium nickel-based oxide including nickel, cobalt and manganese, having an amount of nickel among total metals excluding lithium of 90 mol% or more, and including 1 to 30 nodules, wherein D<sub>50</sub> is in a range of 5 µm to 7um, and a maximum value of heat flow, which is measured with a differential scanning calorimeter (DSC) while a coin-half cell prepared by using the positive electrode active material is charged to 4.25 V and then heated from room temperature to 380°C at a heating rate of 10°C/min, is 15.0 W/g or less, and a preparation method thereof.
Resumen de: EP4682978A1
The present invention provides a positive electrode active material including a lithium composite transition metal oxide containing nickel, cobalt, manganese, and aluminum, wherein an amount of nickel among metal other than lithium in the lithium composite transition metal oxide is 90 mol% or greater, and a molar ratio Al/Ni of aluminum to nickel is 0.015 to 0.034, and the present invention provides a positive electrode and a lithium secondary battery including the positive electrode active material.
Resumen de: EP4682977A1
The present invention provides a positive electrode active material, and a positive electrode, a positive electrode slurry, and a lithium secondary battery including the positive electrode active material, wherein the positive electrode active material includes a lithium nickel-based oxide including nickel, cobalt, and manganese and having a nickel content of 90 mol% or greater among metals excluding lithium, and a metal element M1 doped on the lithium nickel-based oxide, wherein the metal element M1 is one or more selected from the group consisting of Al, Ti, Zr, W, Mo, and Nb, and wherein the positive electrode active material has an absolute value of zeta potential measured at room temperature is 30 mV or greater.
Resumen de: EP4683024A2
Disclosed is a secondary battery (100), a battery assembly (10) and an electronic device (1). The secondary battery includes a housing (110), an electrode assembly (120), and a current collector member (130). The electrode assembly includes a wound structure formed by stacking and winding a positive electrode sheet (121), a negative electrode sheet (123) and a separator (122). The positive electrode sheet includes a positive electrode coated area (1212), a positive electrode uncoated area (1213), which bents toward the winding axis (127) to form a stacked positive electrode uncoated area (125), and an insulation layer (128). The current collector member is welded to the stacked positive electrode uncoated area. A first insulation layer (1281) facing the winding axis and a second insulation layer (1282) facing away from the winding axis included in the insulation layer extend toward the stacked positive electrode uncoated area.
Resumen de: EP4683057A1
Disclosed are a secondary battery (100), a battery assembly (10), and an electronic device (1). The secondary battery includes a housing (110), an electrode assembly (120), a terminal (140), an insulation sealing member (150), and a lower plastic component (160). The housing includes an end wall (111), and the end wall is provided with a terminal hole (1111). The terminal includes a columnar part (142), an outer flange (143), and an inner flange (141). The columnar part (142) passes through the terminal hole. The outer flange is located outside the housing, and extends from the columnar part toward the outer periphery of the end wall. The inner flange is located inside the housing, and extends from the columnar part toward the outer periphery of the end wall. The external insulation part of the insulation sealing member is located between the outer flange and the end wall.
Resumen de: EP4683020A1
A secondary battery including a case having a bottom surface, the bottom surface including a recessed portion and a non-recessed portion, the recessed portion being recessed into an interior of the case, and the non-recessed portion being flat, and an upper surface facing the bottom surfaces, the upper surfaces including a cap assembly, and an electrode assembly accommodated in the case.
Resumen de: EP4683027A1
The present invention provides an all-solid-state battery comprising an electrode assembly comprising an electrode laminate comprising a positive electrode, an electrolyte film, and a negative electrode; and a pair of protective layers positioned on each of the sides of the positive electrode and the negative electrode; and a separator wrapped around the electrode assembly in a zigzag manner, such that the electrode assembly is positioned in a folded portion.
Resumen de: EP4683038A1
The present invention provides a structure of a battery module including a plurality of battery cells stacked in widthwise direction to form a cell laminate, wherein the cell laminate includes a circuit board, the circuit board including at least one of: a temperature sensor in contact with a surface of battery cell, and a surface pressure sensor measuring internal stress in widthwise direction of the cell laminate.
Resumen de: WO2024196868A1
A lithium-sulfur positive electrode material that can be incorporated into a lithium-sulfur battery includes a sulfur host material configured to receive a sulfur electroactive material that cycles lithium ions. The sulfur host material includes a fibrous carbonaceous network, an electroactive metal associated with the fibrous carbonaceous network, and a plurality of carbon nanotubes formed on the fibrous carbonaceous network. Methods of making a lithium-positive electrode material may include forming a porous membrane from aramid nanofibers, contacting a salt including the electroactive metal with it, contacting a plurality of zeolitic imidazolate framework-67 particles with it, pyrolyzing to form a fibrous carbonaceous network having the electroactive metal, and then forming a plurality of carbon nanoparticles on a plurality of sites in the fibrous carbonaceous network.
Resumen de: CN120917574A
Disclosed herein is an anode comprising a current collector; an anode active layer disposed on the current collector, wherein the anode active layer includes anode active particles, an anode conductive material, and an anode binder; wherein the anode binder comprises a copolymer comprising a first repeating unit and a second repeating unit; wherein the first repeating unit is derived from the polymerization of a first monomer comprising an ether bond or comprising a plurality of hydroxyl groups, and wherein the second repeating unit is derived from the polymerization of an ethylenically unsaturated monomer comprising a hydrophilic pendant group.
Resumen de: EP4682912A1
Provided are a method for treating a sulfur-atom-containing material including bringing at least one sulfur-atom-containing material selected from a raw material containing a sulfur atom, an electrolyte precursor containing a sulfur atom, and a sulfide solid electrolyte into contact with a liquid base oil, and bringing the resulting inclusion containing the sulfur-atom-containing material and the liquid base oil into contact with an alkaline aqueous solution, which can safely and effectively cope with the occurrence of leakage of the sulfur-atom-containing material such as a raw material, an intermediate, and a product containing a sulfur atom; an apparatus for producing the sulfur-atom-containing material; and a device and a container for transporting the sulfur-atom-containing material.
Resumen de: EP4683044A2
In some aspects, the techniques described herein relate to a busbar for electrically connecting components in a power distribution unit (PDU), the busbar including: a first metallic bar configured at one end to be coupled to a terminal of the PDU; and a heat distribution block at the one end of the first metallic bar. In some aspects, the techniques described herein relate to a busbar, wherein the heat distribution block includes a vapor chamber. In some aspects, the techniques described herein relate to a busbar, wherein a shape of the vapor chamber conforms to a shape of the one end. In some aspects, the techniques described herein relate to a busbar, wherein the heat distribution block includes a metal block, wherein the metal block includes a phase change material.
Resumen de: EP4683032A2
The present application relates to a cathode, an electrochemical device and an electronic device including the same. The cathode includes: a cathode current collector, a first cathode active material layer, a second cathode active material layer and an insulating layer; where the first cathode active material layer covers a first portion of a first surface of the cathode current collector, and the insulating layer covers a second portion of the first surface of the cathode current collector that is different from the first portion, where a first distance exists between the insulating layer and the first cathode active material layer in a longitudinal direction of the cathode current collector. By providing a gap between the active material layer in a two-layer structure and the insulating layer in the cathode, the potential problem of the overlapping of the active material layer in a two-layer structure and the insulating layer on the cathode is alleviated, thereby ensuring that the electrochemical device cannot catch fire and lead to failure in the event of being punctured, and further ensuring the mechanical safety performance of the electrochemical device.
Resumen de: EP4681951A2
Systems and methods for starting and restarting an engine of a vehicle are disclosed. Power systems for an engine are disclosed.
Resumen de: EP4683064A2
Provided is a battery rack that is easy to install, an energy storage system, and a power generation system. The battery rack includes a plurality of battery modules; and a rack case configured to accommodate the plurality of battery modules and mount another rack case above, wherein the rack case includes a fixing unit provided on a lower end portion of the rack case, wherein the fixing unit includes a main body part of a plate shape, wherein the main body part includes a fixing groove formed to be recessed from an edge of the main body part, and wherein the rack case includes at least one bolt provided on an upper end portion of the rack case and configured to be inserted into the fixing groove included in a lower end of the other rack case.
Nº publicación: EP4682967A2 21/01/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4682967A2
Provided is a system for depositing a material. The system comprises a die and a flow guide. The die comprises an opening and a cavity communicating with the opening. The die is configured to extrude the material in a principal deposition direction through the opening. The flow guide is disposed in the cavity and is configured to shape a flow of the material extruded by the die. The flow guide comprises a flow narrowing portion and a flow shaping portion. The flow narrowing portion extends in a width direction perpendicular to the principal deposition direction so as to block the material from flowing through in the principal deposition direction.The flow shaping portion extends downstream from the flow narrowing portion in the principal deposition direction. A width of the flow shaping portion is smaller than, or decreases from, a width of the flow narrowing portion.
BOPI
Sede Electrónica
