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1138
resultados
Última actualización
07/09/2025 [07:12:00]
Resultados 925 a 950 de 1138
Resumen de: WO2024141337A1
The invention relates to a method for manufacturing an aqueous slurry comprising hydroxide or oxyhydroxide particles of one or more elements, wherein the one or more elements include at least one of Ni, Co and Mn. The method comprises: supplying a flow of a metal salt solution comprising the one or more elements to a reactor vessel for a time period; during the time period, mixing the metal salt solution with an aqueous solution comprising one or more alkali hydroxides, thereby precipitating the hydroxide of the one or more elements and forming the aqueous slurry comprising the hydroxide or oxyhydroxide particles of the one or more elements; and wherein the metal salt solution has a flow rate expressed as a volume per unit of time, wherein the metal salt solution has a concentration of the one or more elements expressed as mol per unit of volume, and wherein the mathematical product of the flow rate and the concentration increases continuously during the time period.
Resumen de: KR20250128006A
본 발명의 일 실시예에 따른 전지 모듈은, 복수의 제1 전지셀들이 각각 적층된 제1a 전지셀 적층체 및 제1b 전지셀 적층체를 포함하는 제1 전지셀 어셈블리; 복수의 제2 전지셀들이 각각 적층된 제2a 전지셀 적층체 및 제2b 전지셀 적층체를 포함하는 제2 전지셀 어셈블리; 상기 제1 전지셀 어셈블리 및 상기 제2 전지셀 어셈블리를 수용하는 모듈 프레임; 및 상기 모듈 프레임의 내부로 냉매를 순환시키기 위한 인렛과 아웃렛을 포함하고, 상기 냉매가 상기 인렛을 통해 상기 모듈 프레임 내부로 유입되고, 상기 아웃렛을 통해 배출되고, 상기 모듈 프레임은 상기 제1 전지셀 어셈블리와 상기 제2 전지셀 어셈블리 사이에 위치하는 파티션 플레이트를 포함한다.
Resumen de: KR20250128097A
본 발명의 실시예에 따른 배터리 모듈은, 제1 방향으로 배터리 셀이 배열되는 제1 셀 그룹과, 제1 셀 그룹으로부터 제1 방향으로 이격되어 제1 방향으로 배터리 셀이 배열되는 제2 셀 그룹 및 제1 셀 그룹과 제2 셀 그룹의 사이에 배치되어 제1 셀 그룹과 제2 셀 그룹을 지지하는 지지부재를 포함할 수 있다.
Resumen de: WO2024160115A1
The present disclosure relates to the technical field of negative electrode materials for batteries, and in particular relates to a silicon-carbon negative electrode material and a preparation method therefor, a negative electrode sheet, and an electrochemical device. The silicon-carbon negative electrode material comprises carbon and modified particles dispersed in the carbon, wherein the modified particles comprise silicon carbide and silicon, the silicon being at least partially connected to the carbon by means of the silicon carbide, and the mass ratio of the silicon carbide to the silicon being 1:1-50.
Resumen de: WO2024141338A1
The invention is in general related to hydroxides for precursors of cathode materials for rechargeable batteries. Particularly, the invention is related to methods for manufacturing aqueous slurry/slurries comprising hydroxide(s) of at least one metal element such as Ni, Co, and/or Mn. The aqueous slurry/slurries may subsequently be used in various applications, especially for making precursors for lithium transition metal oxides for rechargeable batteries.
Resumen de: EP4607648A1
Provided are an electrolyte, a battery, and a power-consuming device. The electrolyte is applicable to a lithium metal secondary battery. The electrolyte includes a lithium salt and a solvent. The solvent includes an epoxy compound substituted with a fluoroalkyl chain. Therefore, the use of the electrolyte including the epoxy compound substituted with the fluoroalkyl chain can improve cycle stability on both a positive electrode side and a negative electrode side of the battery, prolonging a cycle life of the battery.
Resumen de: EP4607687A1
The present application discloses a battery cell, a battery, and an electrical apparatus, wherein the battery cell includes an electrode assembly, a shell, and an electrode terminal; the electrode assembly is at least partially accommodated in the shell; the electrode terminal is electrically connected to the electrode assembly; the electrode terminal is arranged on a wall portion of the shell, the electrode terminal includes a first metal layer and a second metal layer that are made of different materials; in the thickness direction of the wall portion, the first metal layer is located on one side of the second metal layer facing the electrode assembly; the first metal layer and the second metal layer are connected to form a connecting interface, and at least a part of the connecting interface is a curved surface. According to the battery cell provided in the embodiments of the present application, at least a part of the connecting interface between the first metal layer and the second metal layer that are made of different materials is set to be the curved surface, which effectively enhances the strength of connection between the first metal layer and the second metal layer, lowers a risk of breakage of the electrode terminal, and is beneficial to improving performance of the battery cell.
Resumen de: EP4607660A1
This application provides a battery cell, a battery, and a power consuming device. The battery cell includes a housing, an electrode terminal, and an isolating member. The housing includes a first end wall; the electrode terminal is disposed on the first end wall; and the isolating member covers an outer surface of the first end wall. A first through hole and a second through hole are provided on the isolating member. The first through hole is configured to expose the electrode terminal, and the second through hole is configured to discharge liquid between the isolating member and the first end wall. A battery and a power consuming device to which the battery cell is applied respectively have relatively high reliability.
Resumen de: EP4607690A1
Embodiments of this application provide a battery cell, a battery, and a power consuming device. The battery cell includes a housing, an electrode terminal, and a protective member. The housing includes a first end wall, the electrode terminal is disposed on the first end wall, the protective member covers an outer surface of the first end wall, a first through hole is provided on the protective member, and the first through hole is configured to expose the electrode terminal. A cavity configured to store liquid is formed between the protective member and the first end wall. The battery cell has relatively high reliability.
Resumen de: EP4607612A1
Embodiments of this application provide a positive electrode active material, a battery cell, a battery, and a power consuming apparatus. The positive electrode active material includes: a matrix, where a chemical formula of the matrix is LiLixNiaCobMncMdO2, M includes at least one of Mg, Nb, Cr, Ce, Fe, Ta, B, Al, V, Ti, Zr, Sn, P, and Mo, x+a+b+c+d=1, x>0, a>0, 0
Resumen de: EP4607640A1
The present application provides a lithium secondary battery and an electrical device. The lithium secondary battery comprises a positive electrode sheet and a negative electrode sheet; the lithium content per unit area on a single side surface of the positive electrode sheet is denoted as Wa, and the unit of Wa is g/m<2>; the lithium content per unit area on a single side surface of the negative electrode sheet is denoted as Wc, and the unit of Wc is g/m<2>; the reversible capacity per unit area on the surface of the side of the negative electrode sheet facing towards the positive electrode sheet is denoted as Da, and the unit of Da is mAh/m<2>; the first lithium intercalation capacity per unit area on the surface of the side of the negative electrode sheet facing away from the positive electrode sheet is denoted as Ca, and the unit of Ca is mAh/m<2>; and the lithium secondary battery meets the following conditions: (aa) and/or (bb), wherein C1 is the theoretical capacity, 3861 mAh/g, of lithium metal. 70%≤C1×Wa+WcDa≤90%63%≤C1×Wa+WcCa≤81%
Resumen de: EP4607634A1
An apparatus (1) for manufacturing an electrode assembly includes a positive electrode plate supply part (30) configured to supply a positive electrode plate (71), a positive electrode plate moving part (10) configured to move the positive electrode plate (71) located on the positive electrode plate supply part (30), a negative electrode plate supply part (40) configured to supply a negative electrode plate (72), a negative electrode plate moving part (20) configured to move the negative electrode plate (72) located on the negative electrode plate supply part (40), and a stacking part (50) on which the positive electrode plate (71) moved from the positive electrode plate moving part (10) and the negative electrode plate (72) moved from the negative electrode plate moving part (20) are alternately stacked.
Resumen de: MX2025004645A
An electrode comprising a current collector and an active layer on the current collector, wherein the active layer comprises electrode active particles, electrically conducting material and a binder wherein the binder comprises a polymer selected from the group consisting of polyacrylamides, polymethacrylic acid, polyacrylic acid and salts thereof can be used in an energy storage device. The electrode can be made by providing a slurry comprising the electrically conductive elements, the binder and the electrode active material in water, alcohol or a combination thereof, and coating the slurry onto a current collector, and drying to remove the solvent.
Resumen de: MX2025004643A
Disclosed herein is an anode comprising a current collector; an anode active layer disposed on the current collector, wherein the anode active layer comprises anode active particles, an anode electrically conducting material and an anode binder; wherein the anode binder comprises a copolymer that comprises a first repeat unit and a second repeat unit; where the first repeat unit is derived from the polymerization of a first monomer that comprises an ether linkage or comprises multiple hydroxyl groups and wherein the second repeat unit is derived from the polymerization of an ethylenically unsaturated monomer that comprises a hydrophilic pendant group.
Resumen de: MX2025004644A
An electrode useful in energy storage devices comprises a current collector and an active layer on the current collector, wherein the active layer comprises electrode active particles, electrically conducting material and a binder wherein the binder comprises a copolymer that comprises a first repeat unit and a second repeat unit; where the first repeat unit is derived from the polymerization of a first monomer which is ethylenically unsaturated monomer having a hydrophilic pendant group and the second repeat unit is derived from the polymerization of a second monomer having ethylenic unsaturation.
Resumen de: MX2025004634A
Disclosed herein is an electrode comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network; and a polymeric binder comprising a first polymer which is a polymer comprising an acid functional group or a salt of such acid functional group; a polyamide; or an acrylate polymer, and a second polymer
Resumen de: EP4607623A1
A conductive-material-dispersed solution, according to one implementation, comprises a conductive material, a dispersant and a dispersion medium, wherein the conductive material comprises single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs), and the solid content of the conductive-material-dispersed solution is 1.5 wt% or greater. According to the one implementation, the provided conductive-material-dispersed solution has the conductive material predispersed therein to an excellent level such that, when added to an anode slurry composition, dispersibility and the like of the conductive material are effectively improved, and inhibits aggregation between constituent elements in the anode slurry such that high solid content characteristics and the like in a slurry can be ensured.
Resumen de: EP4607653A1
The present application provides a battery and an electric device, relating to the technical field of batteries. The battery includes a plurality of battery cells, wherein the plurality of battery cells are stacked in a first direction, the plurality of battery cells include two first battery cells located at two ends in the first direction, two adjacent battery cells are provided therebetween with at least one first thermal management component, and one side of at least one of the first battery cells away from the first thermal management component in the first direction is provided with at least one second thermal management component, where in the first direction, the thickness of the at least one second thermal management component is less than the that of the at least one first thermal management component, so that the amount by which the at least one second thermal management component may be compressed in the first direction matches the amount of expansion of the first battery cell in the direction away from the first thermal management component, thereby meeting the expansion requirement of the first battery cell in the direction away from the first thermal management component, and reducing the space occupied by the second thermal management component in the first direction, which is beneficial to improve the energy density of the battery.
Resumen de: EP4607658A1
A cap plate insulator (57, 100) and a secondary battery including the same are provided, with cap plate insulator (57, 100) being positioned between a cap plate (61) and an electrode assembly (40) and structured to prevent an electrolyte injected through the electrolyte injection port (64) from directly spraying onto the electrode assembly (40). To this end, there is provided an insulator (57, 100) between the electrode assembly (40) and the cap plate (61), with the cap plate (61) including a barrier (115) for changing a path of an electrolyte injected through the electrolyte injection port (64) and means for guiding the electrolyte into the electrode assembly (40)..
Resumen de: EP4607617A1
The present invention relates to a positive electrode active material for a lithium secondary battery, comprising a lithium transition metal oxide containing nickel (Ni), wherein the lithium transition metal oxide is in form of a single particle, has an average particle diameter (D50) ranging from 2 µm to 4 µm, and exhibits a maximum pole density value of 20 or less at the (001) plane as determined by Electron Back Scatter Diffraction (EBSD) analysis of a pole figure diagram.
Resumen de: EP4606828A1
The present invention relates to: a copolymer comprising, with respect to 100 wt% of the total weight of the copolymer, 3 wt% to 30 wt% of a monomer unit that contains a sulfide group, a monomer unit that contains a sulfonate group, a monomer unit that contains a sulfonic group, a monomer unit that contains a fluorine group, a monomer unit that contains a perfluoroalkyl group, or a combination thereof, a slurry composition containing same; a separator; and a secondary battery.
Resumen de: EP4607219A1
A battery management apparatus according to an embodiment disclosed herein includes at least one capacitor respectively connected to at least one battery and a controller configured to apply current to the at least one capacitors to pre-charge the at least one capacitors, measure a voltage of each of the at least one capacitors, and control impedance measurement of the at least one batteries based on whether the voltage of the at least one capacitors is within a threshold range.
Resumen de: EP4607602A1
The present invention relates to a positive electrode for an all-solid-state battery, and the positive electrode for an all-solid-state battery comprises a positive electrode layer including a positive electrode active material, a sulfide-based solid electrolyte, a positive electrolyte layer including a plasticizer and a lithium salt that is a solid at room temperature and liquid at 60 °C or higher, and a current collector supporting the positive electrode layer.
Resumen de: EP4607647A1
Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core including a forming agent, and a shell surrounding the core, wherein the shell includes a polymer having a melting point of 90 °C to 120 °C.
Nº publicación: EP4607646A1 27/08/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4607646A1
Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core, and a shell surrounding the core, wherein the core includes a flame retardant, a fire extinguishing agent, a non-combustible material, or a combination thereof, and the shell includes a polymer having a melting point of 90 °C to 120 °C.
BOPI
Sede Electrónica
