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1408
resultados
Última actualización
17/12/2025 [07:14:00]
Resultados 350 a 375 de 1408
Resumen de: US2025379341A1
An energy storage device includes a first electrode assembly, a second electrode assembly, and a first current collector. The first electrode assembly includes a first body and a first tab extending from an end of the first body in a first direction. The second electrode assembly includes a second body and a second tab extending from an end of the second body in the first direction. The first tab and the second tab are superimposed in the first direction and are joined to the first current collector at a first junction. The first tab is located between the second tab and the first current collector at the first junction. A length of the first tab is shorter than a length of the second tab.
Resumen de: US2025379308A1
The present disclosure relates to battery cabinets and other power or electronic apparatuses comprising batteries, more particularly, to a modular tray enclosure. The modular tray enclosure comprises a primary base, a first sidewall, a second sidewall, a back wall, and a top wall. Each of the aforementioned components can comprise fire-proof material. A modular tray is contained within the modular tray enclosure and configured to house at least one battery.
Resumen de: US2025379210A1
A powder for use in a negative electrode of a battery, said powder comprising particles, wherein the particles comprise a carbonaceous matrix material and silicon-based domains dispersed in the carbonaceous matrix material, wherein the particles further comprise pores wherein at least 1000 cross-sections of pores comprised in a cross-section of the powder satisfy optimized conditions of size and size distribution, allowing the battery containing such a powder to achieve a superior cycle life and a production method of such a powder.
Resumen de: US2025379305A1
The present disclosure is directed to a battery including an asymmetrical tab sealant, which includes a stronger seal portion around a tab in a tab opening of an enclosure (e.g., pouch) of the battery towards a cup side of the battery, and a weaker seal portion around the tab in the tab opening of the enclosure towards a non-cup side of the enclosure. Various characteristics may be employed to generate the stronger seal portion and the weaker seal portion, such as material characteristics, melting temperature characteristics, thickness characteristics, and so on.
Resumen de: WO2025251734A1
A self-unloading structure (100) and an electric device (200). The self-unloading structure (100) is configured to load and unload a battery pack (210) in the electric device (200), wherein a first connecting portion (212) is provided on the battery pack (210), and a second connecting portion (221) is provided on a carrying member (220) of the electric device (200); the first connecting portion (212) and the second connecting portion (221) are stacked; the self-unloading structure (100) is provided with a driving member (10) and a connecting rod (20), the driving member (10) being disposed on the side of the second connecting portion (221) facing away from the first connecting portion (212), a first connecting end (21) of the connecting rod (20) being connected to the driving member (10), and the driving member (10) being capable of driving the connecting rod (20) to extend or retract; when the connecting rod (20) extends, a second connecting end (22) of the connecting rod (20) penetrates the second connecting portion (221) and is connected to the first connecting portion (212), so as to fixedly mount the battery pack (210) on the carrying member (220); and when the connecting rod (20) retracts to disconnect the second connecting end (22) from the first connecting portion (212), the first connecting portion (212) is separated from the second connecting portion (221), and the battery pack (210) is separated from the carrying member (220) and falls off. In this way, when therma
Resumen de: WO2025251459A1
A separator, an electrode assembly, a battery and an electrical apparatus, belonging to the technical field of secondary batteries. The separator comprises a base membrane (1) and a coating layer (2), the coating layer (2) being attached to at least a partial area of the base membrane (1). The base membrane (1) comprises a first base membrane (11), an adhesive layer (12) and a second base membrane (13), the adhesive layer (12) being arranged between the first base membrane (11) and the second base membrane (13). The first base membrane (11) is a cellulose separator, and the second base membrane (13) is a polymer separator. By means of combining the cellulose separator and the polymer separator to use the high thermal stability of the cellulose separator and the high tensile strength of the polymer separator, the separator has the characteristics of good thermal stability and high tensile strength, thus solving the problem of bad thermal stability of the separator.
Resumen de: WO2025251447A1
A battery cell (100) and a battery. The battery cell (100) comprises a main body (110), a first conductive member (120), and a second conductive member (130); the main body (110) is formed by winding a first electrode sheet (111) and a second electrode sheet (112); the main body (110) has, in the thickness direction, a first surface (113) and a second surface (114) which are opposite to each other, and a middle layer (115); the first conductive member (120) is formed by stacking and connecting a plurality of first dummy tabs (121) connected to the first electrode sheet (111); the second conductive member (130) is formed by stacking and connecting a plurality of second dummy tabs (131) connected to the first electrode sheet (111); the first conductive member (120) is located between the middle layer (115) and the first surface (113), and is bent toward one side of the second surface (114); the second conductive member (130) is located between the middle layer (115) and the second surface (114), and is bent toward one side of the first surface (113); and the bent first conductive member (120) and the bent second conductive member (130) are both located between the first surface (113) and the second surface (114), thereby reducing the space occupied by the first conductive member (120) and the second conductive member (130) in a case of the battery, and improving the energy density of the battery.
Resumen de: WO2025254314A1
A battery management apparatus according to an aspect of the present invention comprises: a profile obtaining unit configured to obtain a battery profile showing the correspondence between the voltage and capacity of a battery; a profile adjusting unit configured to generate a positive electrode profile and a negative electrode profile of the battery by adjusting a preset reference positive electrode profile and reference negative electrode profile to correspond to the battery profile; and a control unit configured to extract a parameter related to the battery from at least one of the positive electrode profile or the negative electrode profile, and determine the available lithium increase rate of the battery on the basis of the extracted parameter.
Resumen de: EP4661186A1
A battery assembly according to an embodiment of the present disclosure is a battery assembly comprising a plurality of battery cell units, each comprising at least one battery cell and a cell cover covering a lower surface and both side surfaces of the respective at least one battery cell, in which the cell cover comprises at least one cell cover venting hole at a lower surface portion corresponding to the lower surface of the respective at least one battery cell, electrode leads protrude from both end surfaces in a longitudinal direction of the respective at least one battery cell, and a foamed layer is adjacent to at least one of the electrode leads of the respective at least one battery cell.
Resumen de: EP4661100A1
The present disclosure relates to an electrode that includes a current collector and an electrode active material layer located on at least one side of the current collector. The electrode active material layer includes a sulfur-carbon composite and a binder, and the sulfur-carbon composite includes a porous carbon material and a sulfur-based material. The current collector includes aluminum (Al), and has a thickness of about 9 µm or less.
Resumen de: EP4661163A1
Thermal management assemblies are described to provide thermal management to an array of individual secondary battery cells of a battery module by allowing an opposed countercurrent flow to be in heat-exchange relationship with the individual battery cells. The thermal management assembly comprises a pair of spatially separated liquid distribution manifolds (30, 32), and a plurality of cooling plates (34) extending between and being fluid-connected at each of the opposed ends thereof to a respective one of the spatially separated liquid distribution manifolds (30, 32), wherein: each of the spatially separated liquid distribution manifolds (30, 32) defines first and second liquid distribution channels (30a, 30b, 32a, 32b), and each of the cooling plates (34) extends between the pair of spatially separated liquid distribution manifolds (30, 32) such that a first cooling channel of each of the cooling plates is fluid-connected to each of the first liquid distribution channels (30a, 32a) of the spatially separated liquid distribution manifolds (30, 32) and a second cooling channel of each of the cooling plates (34) is fluid-connected to each of the second liquid distribution channels (30b, 32b) of the spatially separated liquid distribution manifolds.
Resumen de: EP4660148A1
Embodiments of the present application relate to a high-nickel compound and a preparation method therefor. According to one embodiment of the present application, the high-nickel compound has a chemical general formula of LiaNixCoyMnzMbO2·cα·dβ, where 1 ≤ a ≤ 1.2, 0 < b ≤ 0.01, 0 < c ≤ 0.01, 0 < d ≤ 0.02, 0.8 ≤ x ≤ 1, 0 ≤ y < 0.12, 0 ≤ z ≤ 0.2, and x + y + z = 1; M is a doping element; α is a first coating material, and β is a second coating material. Some other embodiments of the present application further provide a method for preparing a high-nickel compound. The high-nickel compound and the preparation method therefor provided by the embodiments of the present application can effectively solve the problems encountered in the traditional technology.
Resumen de: EP4661183A1
Provided are a pressure relief valve (100) and a battery pack (10). A pressure relief valve (100) includes a valve body (110). The valve body (110) is provided with a pressure relief hole (1100) penetrating through the valve body (110) along a length direction (LD) of the valve body (110). At least one whistle hole (1130) is disposed at a side wall (SW) of the valve body (110). Each of the at least one whistle hole (1130) extends from an outer side surface (1104) of the valve body (110) to an inner side surface (1103) of the valve body (110), to form an opening (1131) communicated with the pressure relief hole (1100) at the inner side surface (1103). The whistle hole (1130) is configured to generate a sound when a portion of gas in the pressure relief hole (1100) is discharged through the whistle hole (1130).
Resumen de: EP4661177A1
There is provided a battery module capable of delaying thermal propagation to adjacent battery cells by controlling the direction of gas and flame emitted from a battery cell. A battery module according to the present disclosure includes: a cell stack including multiple battery cells; and one or more physical members, wherein an intumescent fire protection member is provided on a surface of a physical member closest to the cell stack, among the physical members, which faces the cell stack, wherein the intumescent fire protection member is a coating layer formed integrally with the physical member by applying an intumescent fire protection material, and wherein the intumescent fire protection member is configured to expand into a space between adjacent battery cells when the battery cell generates heat, thereby isolating the adjacent battery cells from each other.
Resumen de: EP4659999A1
Die Erfindung betrifft Verfahren zum Entladen einer Batterieeinheit, umfassend: Durchführen (220) eines Entladevorgangs der Batterieeinheit; Bestimmen (230) eines zeitlichen Verlaufs einer Temperatur der Batterieeinheit während eines vorgegebenen Zeitintervalls des Entladevorgangs, insbesondere zu Beginn des Entladevorgangs; Bestimmen (250) eines Wendepunkts des zeitlichen Verlaufs der Temperatur in dem vorgegebenen Zeitintervall; Bestimmen (260) eines zu erwartenden Maximalwerts der Temperatur der Batterieeinheit abhängig von dem bestimmten Wendepunkt; Durchführen (270) des Entladevorgangs nach dem vorgegebenen Zeitintervall abhängig von dem bestimmten, zu erwartenden Maximalwert, insbesondere Vorgeben einer Stromstärke des Entladevorgangs nach dem vorgegebenen Zeitintervall abhängig von dem bestimmten zu erwartenden Maximalwert.
Resumen de: EP4661157A1
This application discloses a cell balancing device and method. The method includes: obtaining a first minimum cell voltage value and a first maximum cell voltage value of a to-be-balanced battery module in a latest full-charging operation; determining a first charge capacity of a first target cell in the battery module in a corresponding first time period in response to a first charging operation performed by the battery module; and updating a balancing capacity of the first target cell based on the first charge capacity. The first target cell is a cell with a voltage value greater than or equal to the first minimum cell voltage value. The first time period corresponding to the first target cell is a period of time that begins when the voltage value of the first target cell reaches the first minimum cell voltage value for a first time and that ends when the first charging operation of the battery module is ended.
Resumen de: EP4661129A1
The disclosure relates to a battery cell. More specifically, the disclosure relates to a battery cell minimizing a connection space between a non-coating portion forming an electrode assembly (100) and a current collector (220). The battery cell according to the disclosure can maximize the use efficiency of an internal space by minimizing a connection space between a non-coating portion of a jelly roll-shaped electrode assembly and a current collector (220). The battery cell according to the disclosure can increase a capacity by reducing a space loss inside a case (400) accommodating an electrode assembly (100). The battery cell according to the disclosure arranges a welding face of a current collector (220) perpendicular to a winding axis direction of an electrode assembly (100), and thus can reduce damage to the electrode assembly (100) when the battery cell is crushed and can improve safety.
Resumen de: EP4660149A1
A cathode active material for a lithium secondary battery according to embodiments of the present disclosure includes lithium-metal oxide particles having a sphericity of 0.96 or less and an elongation of 0.25 to 0.5. The elongation is calculated as (1 - b/a). Here, a denotes the length of the major axis of the lithium-metal oxide particle in a cross-sectional image of the lithium-metal oxide particles observed using SEM, and b denotes the length of the minor axis of the lithium-metal oxide particle in the cross-sectional SEM image of the lithium-metal oxide particles.
Resumen de: EP4661165A2
Disclosed herein relates to a prismatic secondary battery including: an electrode assembly including a first electrode lead part formed in a first side direction and a second electrode lead part formed in a second side direction opposite the first side direction; a lower case having an open upper surface and housing the electrode assembly therein; and an upper case covering the open upper surface of the lower case, wherein the upper case includes: a first terminal part bent from a top surface of the upper case corresponding to the open upper surface of the lower case and extending downwardly in the first side direction; and a second terminal part bent from the top surface of the upper case and extending downwardly in the second side direction, wherein the first electrode lead part is electrically connected to the first terminal part, and the second electrode lead part is electrically connected to the second terminal part.
Resumen de: EP4661097A2
The present invention relates to a lithium secondary battery manufactured by forming a negative electrode free battery and then forming a lithium metal on the negative electrode current collector by charging.In the lithium secondary battery, since lithium metal is formed on the negative electrode current collector in the state of being blocked with the atmosphere, the generation of the conventional surface oxide layer (native layer) formed on the negative electrode does not occur inherently, thereby preventing the reduction of the efficiency and lifetime characteristics of the battery.
Resumen de: EP4661188A1
Disclosed are a battery system and a vehicle including the same, the battery system including a battery module, a pack casing in which the battery module is installed, and an elastic part installed between the pack casing and the battery module and configured to press the battery module based on the pack casing, the elastic part having an end supported on the pack casing or the battery module by means of a cap made of a fire resistance material.
Resumen de: EP4661101A1
According to various embodiments of the present invention, a silicon composite may include: pure silicon grains; and a buffer layer coated on the surface of the pure silicon grains. A method for manufacturing the silicon composite according to various embodiments of the present invention may include: a step of pulverizing metallurgical-grade silicon particles; and a step of forming a buffer layer layer on the surface of the pulverized metallurgical-grade silicon grains. An anode for a secondary battery according to various embodiments of the present invention may include the silicon composite. A secondary battery according to various embodiments of the present invention may include the anode.
Resumen de: EP4661155A2
A processor-implemented method for estimating a cathode capacity of a battery and a battery recycling system utilizing the method are provided. A processor-implemented method for estimating a cathode capacity of a battery includes receiving first discharge data associated with a first discharge rate of a battery, receiving second discharge data associated with a second discharge rate of the battery, receiving third discharge data associated with a third discharge rate of the battery, and estimating the cathode capacity of the battery based on the first discharge rate, the second discharge rate, the third discharge rate, the first discharge data, the second discharge data, and the third discharge data, where the first discharge rate, the second discharge rate, and the third discharge rate may be different from each other.
Resumen de: EP4661089A2
A battery substrate applied to a secondary battery, comprising: a first substrate (103) comprising a resin; an adhesive layer (102) having one surface adhered to the first substrate; a particle layer (601) comprising at least one selected from the group consisting of a solid electrolyte, an active material and a current collector material and disposed on the other surface opposite to the one surface of the adhesive layer (102) ; and a second substrate (101) disposed in a region of the other surface where the particle layer (601) is not disposed, wherein the second substrate (101) is disposed so as to support a periphery of a region where the particle layer (601) is disposed in at least two directions.
Nº publicación: GB2641688A 10/12/2025
Solicitante:
PARETA INNOVATIONS LTD [GB]
Pareta Innovations Limited
Resumen de: GB2641688A
A method of manufacturing a carbon material for use as a battery electrode, comprising: providing a polysaccharide/protein mixture comprising at least one polysaccharide component and at least one protein component; and pyrolysing the polysaccharide/protein mixture.
BOPI
Sede Electrónica
