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1367
resultados
Última actualización
31/10/2026 [07:40:00]
Resultados 375 a 400 de 1367
Resumen de: EP4832198A1
0001 A case (10), a battery (100), and an electric device. The case (10) comprises a plate assembly (111). The plate assembly (111) comprises a first plate member (1111) and a second plate member (1112) that are stacked. The first plate member (1111) comprises a first plate body (11111) and a first frame edge portion (11112) connected to a side edge of the first plate body (11111). The second plate member (1112) comprises a second plate body (11121) and a second frame edge portion (11122) connected to a side edge of the second plate body (11121). The first frame edge portion (11112) is connected to the second frame edge portion (11122) to form a first edge beam structure (112). The first edge beam structure (112) defines an accommodating space (114) for accommodating a battery cell (20).
Resumen de: EP4832225A1
A battery, a pressure control unit, a battery pack, an electric device, and an energy storage device. The battery comprises a housing assembly, at least one battery cell, and at least one pressure control unit. The battery cell is accommodated in the housing assembly, and the battery cell comprises an electrode assembly stacked in a first direction. The pressure control unit is accommodated in the housing assembly, and at least when the battery cell swells, the pressure control unit applies an action force to the battery cell to control the stress on the surface of the swollen battery cell. The pressure control unit is configured such that the size of the pressure control unit in the first direction can change as the battery cell swells.
Resumen de: EP4832215A1
A battery (100), a battery pack, an electric device, and a battery module, which belong to the technical field of batteries. The battery (100) comprises a wrapping structure (1), a conductive terminal (2), and battery cells (3), wherein an accommodating space (11) is formed in the wrapping structure (1); a pressure relief port (12) in communication with the accommodating space (11) is formed in one side of the wrapping structure (1); and the remaining part of the wrapping structure (1) is of a sealed structure. The conductive terminal (2) is connected to the wrapping structure (1), and the conductive terminal (2) and the pressure relief port (12) are located on different sides of the wrapping structure (1). The battery cells (3) are located in the accommodating space (11), and tabs (31) of the battery cells (3) are electrically connected to the conductive terminal (2). By means of the wrapping structure (1), a thermal runaway gas in the accommodating space (11) is guided to be ejected through the pressure relief port (12), thereby achieving the directional ejection of the thermal runaway gas in the accommodating space (11) of the battery (100). The conductive terminal (2) and the pressure relief port (12) are located on different sides of the wrapping structure (1), such that the thermal runaway gas ejected through the pressure relief port (12) can be directed as far away as possible from the conductive terminal (2).
Resumen de: EP4831241A1
0001 A carbon nanotube dispersion liquid containing carbon nanotubes (A), a polyvinyl alcohol (B), and a solvent (C), in which X/Y satisfies 0.8≤X/Y≤5.5, wherein X represents a storage elastic modulus at a strain of 0.1% of the carbon nanotube dispersion liquid and Y represents a storage elastic modulus at a strain of 1% of the carbon nanotube dispersion liquid. Thus, a carbon nanotube dispersion liquid having improved dispersibility and viscosity stability is provided.
Resumen de: WO2025129422A1
A thermal-conductive silicone potting composition comprising a component (A) comprising: a vinyl organopolysiloxane, a catalyst, a filler combination, an optional pigment; a component (B) comprising an optional vinyl organopolysiloxane, a hydrogenated organopolysiloxane, an optional inhibitor, a filler combination, wherein the filler combination includes: a non-spherical alumina having an average particle size of less than 3 μm, an alumina having an average particle size of 5 μm to 15 μm, a spherical alumina having an average particle size of 30 μm to 70 μm. The thermal conductive silicone potting compositions show high thermal conductivity, high flowability, low viscosity and good storage stability.
Resumen de: US20250210620A1
Prelithiated negative electrodes are prepared under controlled conditions. Lithium foils are laminated onto active material layers using sufficient pressure such that heat is generated upon initiation of reaction of between lithium and the active material. The reaction proceeds to completion with the laminated assembly maintained under solvent-free, temperature controlled conditions for up to about 24 hours. The prelithiated negative electrode active material has a voltage against lithium metal of not more than about 1V at a value of lithium uptake of 10% of capacity, and irreversible capacity loss associated with the active material has been eliminated. Roll-to-roll processes and apparatus are described for safe manufacture of hundreds of meters of the prelithiated negative electrodes which can be taken up in roll form to be cut and assembled with other components to form lithium ion cells.
Resumen de: WO2025132847A1
The present disclosure relates to a continuous process and a production plant for recovering metal salts from an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.
Resumen de: EP4832081A1
The present invention relates to a positive electrode active material for a lithium secondary battery, the positive electrode active material including a single-particle-form lithium metal oxide having a nickel (Ni)-containing layered crystal structure and a coating layer disposed on a surface of the lithium metal oxide and containing cobalt (Co) and fluorine (F), wherein, when X-ray Photoelectron Spectroscopy (XPS) analysis for Ols is performed on an outermost surface of the positive electrode active material, a first peak appears in a region in which a binding energy is 530 to 532 eV, and a second peak appears in a region in which a binding energy is 528.5 to 529.5 eV, and a ratio of a height of the first peak to a height of the second peak (first peak/second peak) is 3 to 3.5.
Resumen de: EP4832113A1
0001 An aspect of the present invention relates to a negative electrode material for a lithium secondary battery, a lithium secondary battery including the negative electrode material and a method for manufacturing same, the negative electrode material including a silicon-carbon composite capable of ensuring high capacity characteristics and excellent lifespan characteristics and including silicon nanoparticles, crystalline carbon, and first amorphous carbon, wherein the silicon nanoparticles and the crystalline carbon are distributed in the first amorphous carbon, wherein the silicon nanoparticles have a Dmax particle size of less than 250 nm and a grain size of 16.5 nm or more and less than 18 nm.
Resumen de: EP4832104A1
0001 The present invention relates to a positive electrode active material for a lithium secondary battery, including a nickel-containing lithium metal oxide in a single particle form, wherein the lithium metal oxide includes Zr and Ti as doping elements, and the lithium metal oxide has a ratio of a peak intensity of a (003) plane to a peak intensity of a (104) plane (I(003)/I(104)) of 1.53 to 1.7 when analyzed by an X-ray diffraction pattern.
Resumen de: EP4832083A1
The present invention relates to a positive electrode active material for a lithium secondary battery, including a single-particle-form lithium metal oxide having a nickel (Ni)-containing layered crystal structure and a coating layer surrounding an entire surface of the lithium metal oxide and containing an aluminum (Al) compound, wherein the aluminum compound includes LiAlO2 and Al2O3, and a content of LiAlO2 is 12 to 40 wt% based on a total weight of LiAlO2 and Al2O3.
Resumen de: EP4831307A1
0001 The present invention relates to a method for recovering lithium, comprising preparing a waste liquid containing lithium and having a pH of 8 or more, introducing a Ca compound into the waste liquid to remove impurities, and recovering lithium in the waste liquid from which the impurities have been removed.
Resumen de: EP4832074A1
The present invention relates to a lithium metal negative electrode and a method for manufacturing the same, wherein the lithium metal negative electrode of the present invention includes a current collector, a lithium metal thin-film layer positioned on at least one surface of the current collector, and a film positioned on a surface of the lithium metal thin-film layer, and includes an organic layer disposed spaced apart in the lithium metal thin-film layer.
Resumen de: EP4831115A1
0001 The lithium sulfide powder according to the present invention is a lithium sulfide powder including, based on 100 wt% of the entirety, Li<2>O in an amount of 2 wt% or less, wherein an oxygen content in the lithium sulfide powder is 1 wt% or less, and a carbon content in the lithium sulfide powder is 0.15 wt% or less.
Resumen de: EP4832238A1
0001 A battery cell (12), a battery (100) and an electric device, which belong to the technical field of batteries. The battery cell (12) comprises a casing (121), a first insulating member (125) and a second insulating member (126), wherein the casing (121) comprises a first wall (1213), a second wall (1214) and a side wall (1215); in the direction of the thickness of the first wall (1213), the second wall (1214) and the first wall (1213) are arranged opposite each other; the side wall (1215) is arranged around the first wall (1213) and the second wall (1214); and the first wall (1213) has first edges (12131) and second edges (12132), which are adjacent to one another. The first insulating member (125) covers an outer surface of the first wall (1213). The second insulating member (126) comprises a body portion (1260), first flange portions (1261) and second flange portions (1262), wherein the body portion (1260) covers an outer surface of the side wall (1215); the first flange portions (1261) and the second flange portions (1262) are arranged on the outer surface of the first wall (1213); the first flange portions (1261) are arranged along the first edges (12131); and the second flange portions (1262) are arranged along the second edges (12132). The first insulating member (125) covers at least part of each first flange portion (1261) and at least part of each second flange portion (1262). The first insulating member (125) covers at least part of each first flange portion
Resumen de: EP4832231A1
A battery (4) and a manufacturing method therefor, a top cover assembly (20), a battery pack, an electric device and an energy storage device. The battery (4) comprises: a case (10), which defines an accommodation space and is provided with an opening; a top cover assembly (20), which is arranged on the case (10), seals the opening, and comprises a top cover body (21), and a first connector (22) and a second connector (23), which can conduct electricity, wherein the first connector (22) comprises a first connection portion (221) and a first exposed portion (222) connected to the first connection portion (221), the second connector (23) comprises a second connection portion (231) and a second exposed portion (232) connected to the second connection portion (231), the first connection portion (221) and the second connection portion (231) each comprising a connection surface extending in a first direction, the first exposed portion (222) and the second exposed portion (232) being exposed outside the case (10); and an electrode assembly (30), which is accommodated in the accommodation space and comprises a positive tab (31) and a negative tab (32), which extend in the first direction, a first connection surface (221a) of the first connection portion (221) being in surface connection with the positive tab (31) or the negative tab (32), and a second connection surface (231a) of the second connection portion (231) being in surface connection with the positive tab (31) or the negativ
Resumen de: EP4832237A1
A cell (20), a battery (100), and an electric device. The cell (20) includes a can (21), an electrode assembly (22), a first insulating member (23), and a second insulating member (24). The can (21) shares a first wall portion (213). The electrode assembly (22) is accommodated in the can (21). The electrode assembly (22) includes a first electrode lead-out portion (222) and a main portion (221). The first electrode lead-out portion (222) is arranged at an end of the main portion (221) facing the first wall portion (213) along a first direction. Along the first direction, the first insulating member (23) is arranged on a surface of the first wall portion (213) facing the electrode assembly (22). The first insulating member (23) is configured to insulate and isolate the first electrode lead-out portion (222) from the first wall portion (213). At least a part of the second insulating member (24) is arranged between the first electrode lead-out portion (222) and the first wall portion (213) along the first direction. A material damage temperature of the second insulating member (24) is higher than a material damage temperature of the first insulating member (23). The second insulating member (24) can insulate and isolate the first electrode lead-out portion (222) from the first wall portion (213) when the first insulating member (23) melts. After the first insulating member (23) melts, the second insulating member (24) can further implement insulation and isolation functions, to
Resumen de: WO2025136732A1
The present disclosure is directed to systems and methods of producing lithiated inorganic particles. The lithiated inorganic particles can be produced by mixing a lithium precursor, a liquid medium, a carbon precursor, and inorganic particles to form a precursor suspension. The precursor suspension can be spray dried to form precursor particles and then these precursor particles can be heated to form a lithiated inorganic powder that includes inorganic particles having a coating of carbon and lithium silicate.
Resumen de: WO2025136485A1
An apparatus arranged for establishing an electrical connection to battery cells is described. The apparatus includes a bushing, a post, and a weld. The bushing has a bushing first portion and a bushing second portion. The post is in physical contact with the bushing. The weld is welded using laser welding and includes bushing material and post material. A weld first portion extends away at least from the bushing. A weld second portion is contiguous to the weld first portion, within the bushing, and over the post. A weld third portion is contiguous to the weld second portion, within the bushing, and surrounding the post. The weld has a first depth measured from the bushing first portion and/or a second depth measured from the bushing second portion. The first depth and/or the second depth meet or exceed a depth minimum threshold.
Resumen de: WO2025132336A1
The present invention relates to a cathode active material for rechargeable batteries comprising Na, M, and O, wherein M consists of Fe in a molar ratio a, wherein 0.05 ≤ a ≤ 0.40 relative to M; Mn in a molar ratio b, wherein 0.50 ≤ b ≤ 0.90 relative to M; and X in a molar ratio c, wherein 0.01 ≤ c ≤ 0.10 relative to M, and wherein X is at least one element selected from B, Si, K, Co, Ga, Rb, Rh, Cs, Re, Tl and Pb; wherein a+b+c is 1.00, the molar ratio of Na to M (Na/M) is between 0.40 and 1.10, and the content of Na, Fe, Mn and X is measured by ICP-OES and relates to a method for manufacturing the same.
Resumen de: EP4832114A1
A binder polymer for a non-aqueous secondary battery includes: a first structural unit derived from an aromatic hydrocarbon monomer (a1) which is an aromatic compound having one ethylenically unsaturated bond and including a hydrocarbon; a second structural unit derived from a nonionic monomer (a2) which has one ethylenically unsaturated bond, and is a nonionic (meth)acrylic acid ester; a third structural unit derived from a carboxylic acid monomer (a3) which is a compound having one ethylenically unsaturated bond and at least one selected from the group consisting of a carboxy group, and a carboxy group forming a salt; and a fourth structural unit derived from an isocyanate monomer (a4) which is a compound having one ethylenically unsaturated bond and at least one selected from the group consisting of an isocyanato group and a blocked isocyanato group.
Resumen de: EP4832065A1
0001 The present invention relates to a lithium metal electrode and a method for manufacturing the same. The lithium metal electrode of the present invention includes a current collector, a metal layer positioned on at least one surface of the current collector and including a lithium alloy, and a protective layer positioned on the metal layer, wherein the protective layer has a porosity of 30% to 60%, and a content of a binder is 5 wt% to 15 wt% based on 100 wt% of an entire amount of amorphous carbon in the protective layer.
Resumen de: EP4831114A1
0001 The present invention relates to a method for preparing lithium sulfide using lithium polysulfide, the method comprising: heat-treating a mixture of an aqueous lithium sulfate solution and a carbon-based material; solvent-extracting the heat-treated product with a solvent comprising water (H<2>O); and obtaining lithium sulfide, wherein the solvent-extracting of the heat-treated product comprises adding S<8> to the heat-treated product.
Resumen de: EP4832082A1
0001 The present invention relates to a positive electrode active material for a lithium secondary battery, including a lithium metal oxide having a single particle form and a nickel (Ni)-containing layered crystal structure, and a coating layer surrounding an entire surface of the lithium metal oxide and containing an aluminum (Al) compound, wherein the lithium metal oxide has a c-axis lattice constant of 14.14 to 14.22 Å when analyzed by an X-ray diffraction pattern, and the coating layer has an average thickness of 0.5 to 1.5 nm.
Nº publicación: EP4832080A1 28/10/2026
Solicitante:
POSCO HOLDINGS INC [KR]
POSCO FUTURE M CO LTD [KR]
POSCO Holdings Inc.
Posco Future M Co., Ltd.
Resumen de: EP4832080A1
0001 The negative electrode material for a lithium secondary battery of the present invention comprises a silicon-carbon composite including: silicon nanoparticles; crystalline carbon; carbon nanotubes; and first amorphous carbon, wherein the silicon nanoparticles, the crystalline carbon, and the carbon nanotubes are dispersed on the first amorphous carbon, and the minimum pore size inside the composite is more than 10 nm and 30 nm or less.
BOPI
Sede Electrónica
