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1603
resultados
Última actualización
10/11/2025 [07:13:00]
Resultados 1200 a 1225 de 1603
Resumen de: EP4641708A1
The present invention provides a metal foil (100) having significantly improved resistance to edge breakage by selectively increasing an elongation of edge portions (60) at both ends of the metal foil, and to an electrode for a secondary battery and a secondary battery including the metal foil.
Resumen de: CN120476474A
The invention relates to a battery, to an energy storage or supply system comprising said battery, and to the use of a battery or supply system for storing or supplying electrical power.
Resumen de: EP4641711A1
The present disclosure provides a flat metal sheet having a principal surface located on one side along a thickness direction, a plurality of struts, and a node part where end portions of the plurality of struts are connected to one another, wherein the strut and the node part form a mesh structure, and the plurality of the struts are in close contact with each other, and a plurality of through holes penetrating the principal surface in the thickness direction.
Resumen de: EP4641710A1
The present disclosure provides a flat metal sheet having a principal surface located on one side along a thickness direction, a plurality of struts, and a node part where end portions of the plurality of struts are connected to one another, wherein the strut and the node part form a mesh structure, and the plurality of the struts are in close contact with each other.
Resumen de: EP4641681A1
The present invention relates to a metal foil for current collectors, a current collector for batteries, and a secondary battery including the same, the metal foil for current collectors including: a first cut portion including a plurality of first cutting lines spaced apart from each other in a first direction; and a second cut portion including a plurality of second cutting lines spaced apart from each other in the first direction, wherein the first cut portion and the second cut portion are each provided in plural, and are alternately disposed parallelly while being spaced apart from each other in a second direction perpendicular to the first direction, the plurality of first cutting lines and the plurality of second cutting lines are spaced apart from each other in a zigzag arrangement such that end portions of respective cutting lines overlap each other to have an overlap portion, and the metal foil satisfies predetermined relational expressions 1 and 2.
Resumen de: CN120359140A
The invention relates to a power supply for electric vehicles and can be used in the transportation industry. The aim of the invention is to reduce the risk of damage to electronic components of an electric vehicle during operation of a modular battery (100, 200, 300, 400). This object is achieved by a modular battery (100, 200, 300, 400) of an electric vehicle in that a control unit (110, 210, 310, 410) enables execution of traction motor inverter capacitor pre-charge logic.
Resumen de: CN120359624A
The invention relates to a metallic lithium anode (1, 10, 11, 12, 13, 14) for a battery, comprising an anode active substrate (2) comprising metallic lithium and a first metallic lithium anode protective layer (3) provided on a surface (4) of the anode active substrate (2), the anode further comprising one or more of Li2CO3, Li2O and LiOH wherein the first metallic lithium anode protective layer (3) comprises a first lithium halide. The invention further relates to a battery comprising such a metallic lithium anode and to a method for producing such a metallic lithium anode.
Resumen de: CN120530506A
The invention relates to a method for producing a battery having an electrode stack (16) and a pouch for receiving the electrode stack (16), comprising the following steps: a) moving a workpiece carrier (22) together with a pouch blank (10) arranged thereon into an insertion position (38); b) measuring the position of at least two structures of the recess (12) in the bag blank (10) relative to a reference frame; c) moving a carrier (56) of a clamping device (42) together with the electrode stack (16) fixed to the carrier (56) from a receiving position (44) into the insertion position (38); d) during step c), measuring the position of at least two structures of the electrode stack (16) relative to the reference frame; e) calculating an alignment correction of the electrode stack (16) based on the position of the structure in such a way that the structures of the electrode stack (16) and the recess (12) are each adjacent to one another when the electrode stack (16) is inserted into the recess; and f) during step c), rotating and/or displacing the carrier (56) together with the electrode stack (16) according to the alignment correction. The invention also relates to a device for producing a battery having an electrode stack (16) and a pouch for receiving the electrode stack (16), which pouch can be produced from a pouch blank (10) having two recesses (12) folded along a fold line (14), comprising: a plurality of movable workpiece carriers (22), a bag blank (10) can be arranged o
Resumen de: WO2024132855A1
The present invention relates to a holding frame (1) for at least one electrochemical cell and intended to be integrated into a battery pack in an electric vehicle, comprising a first half-frame (8a), a second half-frame (8b) and an electrochemical cell, the electrochemical cell being held between the half-frames (8a, 8b), characterized in that at least one recess (14) is formed along at least one of the half-frames (8a, 8b), said recess (14) being intended to be flown through by a cooling fluid for the electrochemical cells.
Resumen de: CN120435778A
The present invention relates to a method for preparing an all-solid-state battery (ASSB) element or ASSB comprising a halide solid electrolyte, wherein the method comprises an oxidation step and a venting step. The invention further relates to an ASSB element and an ASSB obtained with the method according to the invention.
Resumen de: WO2024133837A1
Disclosed are an inerting device and method using an electrochemical accumulator cell (1) which comprises a casing (4) enclosing active areas (2) and a dead volume (6), as well as an inerting spacer (17) that consists of a solid porous part, is arranged inside the casing (4) and is included in the dead volume (6).
Resumen de: CN120359655A
A battery assembly is provided that includes a battery pack including an outer battery pack housing and a base electrical connector, and a service box. The service box includes an outer service box housing, an intermediate electrical connector, and an end electrical connector. The intermediate electrical connector is electrically coupled to the end electrical connector, and the intermediate electrical connector and the base electrical connector are configured to reversibly connect to each other. The battery pack case is detachably attached to the service box case to form a single unit in which the base electrical connector is connected to the intermediate electrical connector and the end electrical connectors are exposed to the outside to allow the battery pack to be electrically coupled to an external device via the service box. The end electrical connector is mounted on the service box housing such that the end electrical connector is movable relative to the service box housing in a direction substantially perpendicular to a connection direction of the end electrical connector. A battery replacement system is provided that includes a battery assembly and an external device including a battery compartment configured to removably receive the battery assembly. The battery compartment includes a compartment electrical connector configured to be reversibly connected to an end electrical connector of the battery assembly to electrically couple the battery assembly to an external
Resumen de: WO2024134542A1
Disclosed herein is a housing (1) for automotive batteries, comprising an internal volume (2) configured for housing one or more automotive batteries, the housing including at least one vent valve (4) configured for 5 venting a flow of fluid from said internal volume (2) to the external environment (EXT), wherein the housing (1) includes, in association with each vent valve (4), a filter element (6, 8) arranged in said internal volume (2) upstream of the 10 vent valve (4), and configured for intercepting the fluid flow (FL) to be vented via the vent valve (4) prior to passing through said vent valve (4), thereby achieving filtration of said fluid flow.
Resumen de: WO2024133123A1
The invention relates to a battery comprising at least one electrochemical cell (2) and at least one heat pipe (1) having a housing (10) which contains a working medium, the housing (10) having an evaporation region (17) and a condensation region (19) which are connected to one another by a channel (18), the housing (10) containing a first film bag (15) or consisting of a first film bag (15), the first film bag (15) comprising at least a first and a second material layer (151, 152), one material layer (151) of which consists of a polymer and the other material layer (152) of which consists of a metal material, the electrochemical cell (2) being arranged in the housing (10) of the heat pipe (1).
Resumen de: CN120391006A
An energy storage system (100) is provided. The energy storage system comprises at least one cell stack (102) comprising at least one cell module (104). Each of the at least one battery module includes a plurality of temperature sensors. The energy storage system further includes a cooling system (106). The cooling system comprises a source of pressurized cooling medium (110), a channel system (108) arranged to selectively provide cooling medium from the source of cooling medium to each of the at least one battery module by means of a valve system, and a cooling system controller. The cooling system controller is configured to: determine that the battery module is in thermal runaway based on a signal received from the temperature sensor of the at least one battery module; and upon thermal runaway, activating the valve system to selectively release a predetermined amount of cooling medium into the battery module.
Resumen de: CN120418034A
The invention relates to a method for manufacturing a double-layer sheet (1) comprising channels (2) forming at least one fluid circulation network or circuit, the method mainly comprising: a first step of providing two flat aluminum sheets (3 and 3 '); a subsequent step of joining the two flat aluminum sheets (3 and 3 ') together by laser welding to form the double-layer sheet (1) according to a linear pattern (4) following the pattern of the circulating channel (2); and a final step of forming the circulation channel (2) by injecting a pressurized liquid or gaseous fluid (LP) between the two sheets (3 and 3 '). The method is characterized in that it further comprises a step of leveling or flattening the plate (1) consisting of two plates (3 and 3 ') joined by laser welding, before the step of forming the circulation channel (2) by pressure deformation.
Resumen de: CN120418034A
The invention relates to a method for manufacturing a double-layer sheet (1) comprising channels (2) forming at least one fluid circulation network or circuit, the method mainly comprising: a first step of providing two flat aluminum sheets (3 and 3 '); a subsequent step of joining the two flat aluminum sheets (3 and 3 ') together by laser welding to form the double-layer sheet (1) according to a linear pattern (4) following the pattern of the circulating channel (2); and a final step of forming the circulation channel (2) by injecting a pressurized liquid or gaseous fluid (LP) between the two sheets (3 and 3 '). The method is characterized in that it further comprises a step of leveling or flattening the plate (1) consisting of two plates (3 and 3 ') joined by laser welding, before the step of forming the circulation channel (2) by pressure deformation.
Resumen de: CN120344487A
The invention relates to a process for preparing lithium sulfide (Li2S) from lithium hydroxide (LiOH) and hydrogen sulfide (H2S), characterized in that the sulfuration of lithium hydroxide is carried out in a reaction zone (9) comprising at least one spiral moving bed tubular reactor (9a) having a vibratory lifting structure, lithium hydroxide (4) is circulated in countercurrent with an anhydrous gas mixture (10) containing hydrogen sulfide and at least one inert gas.
Resumen de: CN120513533A
The invention relates to a lithium-deficient halide-rich solid electrolyte substituted with zinc. The present inventors have surprisingly found that these zinc-substituted lithium-deficient halide-rich solid electrolytes exhibit increased ionic conductivity and reduced H2S gas release upon contact with moisture.
Resumen de: WO2024132861A1
The present invention relates to a battery (1) for a motor vehicle, comprising a plurality of electrochemical cells (2), a first plate (12) and a second plate (14), the electrochemical cells (2) being stacked on top of one another in a stacking direction between the first plate (12) and the second plate (14), the battery (1) comprising at least one elastic return system (18) that connects the first plate (12) and the second plate (14).
Resumen de: CN120476494A
The invention relates to a lithium-deficient solid electrolyte substituted with zinc. The present inventors have surprisingly found that these zinc-substituted lithium-deficient solid electrolytes exhibit increased ionic conductivity. In addition, these solid electrolyte compositions according to the present invention exhibit reduced H2S gas release upon contact with moisture.
Resumen de: WO2024133198A1
The present invention relates to a method for estimating the self-discharge of an electrochemical element to which a balancing current is applied, the method comprising the steps of: - obtaining: - the capacity of the electrochemical element; - first measurement values comprising measurements of the current and of the balancing current applied at first times; and - second measurement values comprising measurements of the state of charge at second times; - estimating the value of the self-discharge at a second estimation time by applying an estimation function to the obtained values, the estimation function calculating a first contribution corresponding to the variation in the state of charge and a second contribution corresponding to the charge buildup related to the first values.
Resumen de: EP4641787A1
The present disclosure refers to a battery module (100), a battery system (1000) including a plurality of the battery modules (100), an electric vehicle including the battery module (100) and/or the battery system (1000), a method for assembling a battery module (100) and a housing (30) configured to accommodate a battery module (100).The battery module (100) includes a battery cell stack (10) with a plurality of battery cells (12) arranged along a stacking direction (S) and a housing (30) configured to accommodate the battery cell stack (10). The housing (30) includes a bottom portion (32), a top portion (34), two side portions (36, 38) arranged opposite to each other with respect to the stacking direction (S) and interconnecting the bottom portion (32) and the top portion (34) along a height direction (H) and a side opening (40) through which the battery cell stack (10) is insertable into or removable from the housing (30) along an insertion direction (I) orthogonal to the stacking direction (S) and orthogonal to the height direction (H). The top portion (34) includes an opened section (42) to overlay the electrode terminals (14) and the venting valves (16) of the plurality of battery cells (12) of the battery cell stack (10) when the battery cell stack (10) is accommodated in the housing (30).
Resumen de: EP4641229A1
A gas treatment arrangement (100) for a transportable test chamber (800) of an electric component (510) comprising: a channel portion (102) configured to be connectable with the test chamber (800) and comprises a gas cleaning apparatus (300); wherein the gas cleaning apparatus comprises an oxidation catalyst (304) and a particulate filter (306). The gas cleaning apparatus (300) further comprising a temperature control arrangement (302) arranged upstream of the oxidation catalyst (304) and the particulate filter (306), wherein the temperature control arrangement is configured to control temperature of a first gas stream from the test chamber (800).
Nº publicación: EP4641647A1 29/10/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4641647A1
According to an embodiment of the present disclosure, there is provided a doctor blade comprising: a first blade having a first tip including an inclined plane; and a second blade having a second tip including a curved surface, wherein the first blade and the second blade are in contact with each other, wherein an active material is provided on a current collector and can be moved integrally or individually towards a traveling electrode or vice versa.
BOPI
Sede Electrónica
