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649
resultados
Última actualización
03/01/2026 [07:35:00]
Resultados 25 a 50 de 649
Resumen de: WO2025237524A1
Provided is a battery module, comprising a housing including at least one double-walled portion, wherein a channel is integrally formed for a flow of a first tempering liquid; a second tempering liquid included in the housing; and a plurality of battery cells included in the housing and arranged in alignment with each other, wherein at least one terminal of each battery cell is located adjacent to the at least one double walled portion.
Resumen de: CN120693723A
The invention relates to a battery (10) comprising a plurality of electrochemical cells (11) arranged within a closed structure (12). The battery (10) is provided with a cooling device comprising at least one heat pipe (1) configured to contain a heat transfer fluid intended to undergo evaporation and condensation cycles, the at least one heat pipe (1) is integrated on a base (13) of the closed structure (12) by overmolding, such that heat is taken through an evaporation end (4) of the heat pipe (1) arranged to be in contact with the battery cell (11) and heat is transferred through a condensation end (5) of the heat pipe (1) to a cold source (F) located outside the closed structure (12).
Resumen de: TW202440465A
An aqueous dispersion containing aluminum oxide powder, characterized in that the aluminum oxide powder is present in the form of aggregated primary particles with an aggregate particle size distribution with a median aggregate particle size (D50) of 220 nm to 500 nm, as determined by dynamic light scattering measurement, and wherein the aluminum oxide powder has a BET of 10 m2/g to 100 m2/g, in an amount of at least 20 wt.%, preferably 40 to 60 wt.%, and more preferably 50 to 60 wt.% based on the total weight of the dispersion, and that the dispersion further comprises: - at least one carboxylic acid from the group consisting of dicarboxylic acids and/or hydroxy tricarboxylic acids having from 2 to 7 carbon atoms, and - at least one amino alcohol having from one to six carbon atoms. preferably DMEA (dimethylethanolamine), 2-Amino-2-Methyl-1-Propanol.
Resumen de: EP4671017A1
A frame member has an aluminum-alloy extruded material in which a plurality of nodes are set in a cross-sectional space of an outer peripheral wall and a plurality of ribs connecting the nodes are provided inside the outer peripheral wall, and the frame member has a cross-sectional shape in which a maximum number of the ribs connected to one of the nodes is three or less and there are four or more nodes that are not connected to the ribs.
Resumen de: EP4672445A1
A sealed battery according to one embodiment of the present invention comprises: an electrode body (14) in which a positive electrode plate (11) and a negative electrode plate (12) are stacked with a separator (13) therebetween; an exterior body which houses the electrode body and has an opening at one end; and a sealing body (19) which closes the opening of the exterior body. The sealing body has an identification label (30) formed on a movable portion so as to be separated from the exterior body when the internal pressure of the battery has increased.
Resumen de: EP4672380A1
Provided is a power-storage-device aqueous binder solution comprising a poly(amic acid) and water, in which the poly(amic acid) contains an aliphatic diamine unit and the poly(amic acid) is an amine salt.
Resumen de: EP4671227A1
An object is to achieve a manufacturing method of manufacturing a heat treatment jig by using a fired product, which has already been fired, as a raw material. A method of manufacturing a heat treatment jig of the present invention includes: a fired product-derived raw material forming step of forming a fired product-derived raw material by pulverizing a lithium-containing fired product that has Al<sub>2</sub>O<sub>3</sub>, SiO<sub>2</sub>, and MgO as main components and contains a lithium-containing compound; a fired raw material preparing step of preparing raw materials to be fired, the raw materials to be fired including the fired product-derived raw material that has been obtained in the fired product-derived raw material forming step as part or a whole of raw materials and including Al<sub>2</sub>O<sub>3</sub>, SiO<sub>2</sub>, and MgO at a predetermined ratio as main components; a kneading step of kneading the raw materials to be fired that have been prepared in the fired raw material preparing step; a molding step of molding the raw materials to be fired that have been kneaded in the kneading step; and a firing step of firing the raw materials to be fired that have been molded in the molding step under predetermined firing conditions.
Resumen de: EP4672481A1
An electrode plate, which is an example of an embodiment of the present invention, has a core body and a mixture layer formed on the core body, and is provided with an exposed part where the surface of the core body is exposed. The electrode plate has a lead joined to the exposed part, and an identification display part (36) formed on the outer surface of the lead. The identification display part (36) includes at least one of a discolored part and a recess formed on the outer surface of the lead by a melting and solidifying part that penetrates the lead in the thickness direction and reaches the exposed part and joins the lead and the exposed part.
Resumen de: EP4672436A1
A battery according to one embodiment of the present invention comprises: an electrode body in which a positive electrode plate and a negative electrode plate are stacked with a separator therebetween; an exterior can (16) which houses the electrode body and has an opening at one end; and a sealing body which closes the opening of the exterior can (16). The exterior can (16) has an identification indication (36) formed on the inner surface thereof.
Resumen de: WO2024175318A1
Disclosed in the present invention is a battery thermal insulation pad, characterised in that the battery thermal insulation pad comprises at least one elastic functional layer (10) and at least one fibrous support layer (20), the elastic functional layer (10) comprising an organic base material and a first filler, the first filler comprising at least one of a heat-absorbing filler or a thermal insulation filler, and combinations thereof; the fibrous support layer (20) comprising a fibrous base material with gaps; wherein the elastic functional layer (10) at least partially fills the gaps of the fibrous base material. The battery thermal insulation pad has excellent thermal insulation performance and has certain elasticity so that it can absorb the pressure caused by the deformation of surrounding components.
Resumen de: CN120731190A
Alumina powder consisting of aggregates of primary particles, characterized in that it has an aggregate particle size distribution with an aggregate median particle size (D50) of 220 nm to 500 nm, preferably 230 to 400 nm, more preferably 250 nm to 300 nm, as determined by dynamic light scattering measurement, and in that it has a BET of 10 m < 2 >/g to 100 m < 2 >/g, and a method for preparing same.
Resumen de: EP4671204A1
The present application relates to the technical field of lithium batteries and provides a power-type high-rate lithium iron phosphate cathode material, its preparation method, and a lithium battery. The method comprises the following steps: adding iron phosphate, lithium source, and organic carbon source into deionized water for stirring, grinding, drying, calcination, secondary calcination, and crushing to obtain the power-type high-rate lithium iron phosphate cathode material. This method employs functionalized graphene combined with nano lithium iron phosphate. Through a two-stage calcination process, it can suppress the agglomeration of nanized particles and achieve uniform carbon coating. Additionally, nitrogen doping is used to improve the conductivity of graphene and the coated carbon layer. By combining with the nanization of lithium iron phosphate, the ion transport path is shortened, enhancing ion conductivity and electronic conductivity, significantly improving the material's rate performance.
Resumen de: EP4670800A1
The present application provides an energy storage container including a container body, battery clusters, and a fire-fighting system. The container body includes a top cover and a bottom cover oppositely disposed. The container body is provided with a battery compartment, and the top cover and the bottom cover surround a top portion and a bottom portion of the battery compartment, respectively. The battery clusters are disposed in the battery compartment. The fire-fighting system includes fire-fighting devices uniformly dispersedly arranged among the battery clusters and the top cover.
Resumen de: EP4672390A1
A button battery (1), a method of manufacturing a gasket (20), and a method of assembling the button battery (1) are provided by the present disclosure. The button battery (1) includes a positive electrode cap assembly (220), a positive electrode current collector (14), and a positive plate (15). The positive electrode cap assembly (220) includes a positive electrode cap (11) and a gasket (20). The gasket (20) includes a gasket part (21) and an elastic plate part (22) intersected with each other. At least one of the elastic plate part (22) and the gasket part (21) is provided with a protruding structure (23). The protruding structure (23) passes through the through hole (142) and is fixed to the positive plate (15).
Resumen de: EP4672463A1
Embodiments of the present application provide a battery, an electrical device, and an energy storage device, which is capable of improving the use performance of the battery. The battery includes: a battery cell, a first wall of the battery cell being provided with a pressure relief mechanism; a support component configured to support the battery cell, the support component including a first support component and a second support component that are connected, the first support component and the second support component being located on the same side of the battery cell, the first support component being located between the first wall and the second support component and attached to the first wall, the first support component being provided with a first through hole corresponding to the pressure relief mechanism, and the second support component being provided with a second through hole corresponding to the pressure relief mechanism; and a first protective component, the first protective component being configured to close the second through hole, and the first protective component being configured to be destroyed when the pressure relief mechanism is actuated, so as to allow an emission from the battery cell to pass through the second support component.
Resumen de: EP4672491A2
A power storage device includes a case body, an electrode body, an electrolyte, a positive electrode terminal, a negative electrode terminal, a positive electrode sealing plate, and a negative electrode sealing plate. The case body has two opposed surfaces that are open. The positive electrode sealing plate has a positive electrode attachment hole to which the positive electrode terminal is attached. The positive electrode sealing plate closes one of the two opposed surfaces. The negative electrode sealing plate has a negative electrode attachment hole to which the negative electrode terminal is attached. The negative electrode sealing plate closes another of the two opposed surfaces. The positive electrode sealing plate has a first through hole through which the electrolyte is allowed to be injected. The negative electrode sealing plate has a second through hole through which the electrolyte is allowed to be injected.
Resumen de: EP4672482A1
Embodiments of this application provide a cell, a battery, and an electric device. The cell includes: an electrode lead-out portion, configured to lead out electric energy of the cell; an electrode assembly, including a main body and a tab, the tab including a transition portion and a connecting portion, where the transition portion is connected between the connecting portion and the main body, and the connecting portion is connected to the electrode lead-out portion to form a connecting region; and an insulation component, where the insulation component includes a first insulator fixed to the main body and a third insulator fixed to the connecting portion, and the insulation component further includes a second insulator connected between the first insulator and the third insulator, where a part of the tab from a first joint to a second joint is not fixed to the insulation component. The cell, the battery, and the electric device according to the embodiments of this application are conducive to resolving the problem of tab tearing caused by a bonding force between the insulation component and the tab when the tab is unfolded, bent, or moved.
Resumen de: EP4671652A1
The present application discloses an electrode sheet drying device and a battery production system. The electrode sheet drying device includes a housing, an endless heating belt, and a heating roller, where the housing has a heat-exchange drying chamber; the heat-exchange drying chamber has an inlet and an outlet that are oppositely disposed; the endless heating belt includes an inner surface and an outer surface that are oppositely disposed; the heating roller is in contact with the endless heating belt; a part of the endless heating belt passes through the heat-exchange drying chamber, the other part thereof is disposed outside the heat-exchange drying chamber; and the released electrode sheet is in contact with the outer surface of the endless heating belt in the heat-exchange drying chamber. A part of the endless heating belt passes through the heat-exchange drying chamber, and the other part thereof is disposed outside the heat-exchange drying chamber; and the released electrode sheet is in contact with the outer surface of the endless heating belt in the heat-exchange drying chamber, so that the electrode sheet abuts on and is heated by the endless heating belt, thereby improving heating and drying efficiency.
Resumen de: EP4672355A1
The present application relates to the technical field of lithium batteries, and in particular to, a battery cell, a battery, and an electrical device. A positive electrode active material of the battery cell comprises a first lithium-nickel-cobalt-manganese oxide and a second lithium-nickel-cobalt-manganese oxide. A negative electrode active material comprises a silicon-based material and a carbon-based material. A molar content of nickel element in the second lithium-nickel-cobalt-manganese oxide is greater than that of nickel element in the first lithium-nickel-cobalt-manganese oxide among all transition metal elements, wherein the molar content of the nickel element in the second lithium-nickel-cobalt-manganese oxide among all transition metal elements is greater than or equal to 0.8. With the second lithium-nickel-cobalt-manganese oxide with a high nickel element content provided in the positive electrode active material according to the present application, during charging, voids created by shrinkage of a lattice of the second lithium-nickel-cobalt-manganese oxide may store an electrolytic solution squeezed out by expansion of negative electrode silicon, facilitating reflux of the electrolytic solution during a next charge, reducing lithium plating, and improving cycling performance of the battery cell.
Resumen de: EP4672411A1
The present disclosure relates to a non-aqueous electrolyte including lithium salts, an organic solvent, and an additive including a first additive and a second additive. Each of the first additive and the second additive includes a compound represented by a specific Formula.
Resumen de: EP4672431A1
The present application is applicable to the technical field of batteries (100), and provides a battery cell (10), a battery (100), and an electric device. The electric device comprises a battery (100). The battery (100) comprises a battery cell (10). The battery cell (10) comprises an electrode assembly (11) and a heat conduction member (13). The electrode assembly (11) comprises a main body (111) and tabs (112) arranged at one end or two opposite ends of the main body (111). The heat conduction member (13) is at least partially arranged at the end of the main body (111) provided with the tabs (112). By using the technical solution, the heat conduction member (13) implements the heat conduction at the end of the main body (111) close to the tabs (112) in a first direction (Z), so that the problem of the heat at the end of the main body (111) close to the tabs (112) being hard to be conducted out can be effectively mitigated, thereby facilitating implementation of the effect of uniform heat distribution inside the main body (111).
Resumen de: EP4672373A1
A positive electrode active material and a preparation method thereof, a positive electrode plate, a battery, and an electric device. The positive electrode active material includes: NaxMnaFebMcNdO2+δ-eFe, where 0.5 ≤ x ≤ 1.1, a ≥ 0, b ≥ 0, c ≥ 0, d > 0, a + b + c + d = 1, -0.1 ≤ δ ≤ 0.1, and e ≥ 0; M ions include at least one of Ni<2+>, Ni<3+>, Cu<2+>, Cu<+>, Zn<2+>, Mg<2+>, Y<3+>, La<3+>, In<3+>, Sb<3+>, Li<+>, Sn<2+>, and Ag<+>; ΣBi × I1<4> ≥ 1500 Å<-4>, where Bi is a molar fraction of cations, Ii is an ionic potential of the cations, in unit of Å<-1>, and the cations include manganese ions, iron ions, M ions, and N ions; and the ionic potential of the N ions is greater than or equal to 5 Å<-1>.
Resumen de: EP4672479A1
A battery includes a cover plate assembly (1) and two cell units (2). The cover plate assembly (1) includes a cover plate body (11) and a pole (12) disposed on the cover plate body (11); the cell unit (2) includes a cell body (21) and a tab (22) including a fixed part (221) connected to the pole (12) and a free part (222) between the cell body (21) and the fixed part (221). A minimum distance between the two cell units (2) is s after one ends of the two cell units (2) away from the cover plate body (11) opens to a limit state in a direction away from each other; a thickness of the cell unit (2) is d; a length of the fixed part (221) is a; and a length of the free part (222) is c, wherein 1 ≤ (a + 2c2−d/22/s≤2.
Resumen de: EP4672489A1
A busbar assembly according to an exemplary embodiment of the present invention includes a busbar including a body portion extending in a first direction and end portions located at both ends of the body portion in the first direction and having through holes formed therein, and a protective cover including a cover portion surrounding the busbar, and a plurality of wing portions protruding from the cover portion in a second direction intersecting the first direction.
Nº publicación: EP4672487A1 31/12/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4672487A1
The present disclosure relates to a battery including: an electrode assembly; a battery housing configured to receive the electrode assembly through an opening formed on one side; a battery terminal configured to be electrically connected to the electrode assembly through a closed portion provided on the opposite side of the opening of the battery housing; and a current collector including a first coupling portion configured to be electrically connected to the electrode assembly, a second coupling portion configured to be electrically connected to the battery terminal, and a bridge portion configured to electrically connect the first coupling portion and the second coupling portion to each other, and configured such that at least a portion of an area adjacent to the second coupling portion has a reduced cross-sectional area.
BOPI
Sede Electrónica
