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1007
resultados
Última actualización
20/03/2026 [06:59:00]
Resultados 350 a 375 de 1007
Resumen de: EP4708488A1
The present disclosure may provide a battery module including a plurality of battery cells having a storage portion and a sealing portion, respectively, and configured to be stacked on each other, a module case configured to store the plurality of battery cells in an inner space, and a pressing member positioned to face at least one surface of a terrace portion where an electrode lead is located in the sealing portion of the battery cell, and configured to pressurize the terrace portion when internal pressure inside the battery cell increases.
Resumen de: EP4708544A1
Disclosed is a battery assembly. The battery assembly includes a case providing an inner space; a first battery array accommodated inside the case and including a plurality of battery cells stacked in a left and right direction; a second battery array accommodated inside the case and including a plurality of battery cells stacked in the left and right direction, the second battery array being stacked with the first battery array in the left and right direction; a first bus bar electrically connected to a front side of the first battery array and electrically insulated from the second battery array; and a second bus bar electrically connected to a front side of the second battery array and electrically insulated from the first battery array.
Resumen de: EP4708461A1
The present technology provides a battery pack including a pack housing including a bottom plate with a first cooling channel and a top plate with a second cooling channel, and a battery assembly between the bottom plate and the top plate of the pack housing, in which the battery assembly includes a separation structure including a plurality of cell accommodation spaces separated from each other in a first direction, and attached to the top plate via an upper thermally conductive adhesive layer, a plurality of battery cells accommodated in the plurality of cell accommodation spaces of the separation structure, and extending in a second direction perpendicular to the first direction, respectively, and a heat dissipation fin configured to thermally couple at least one of electrode leads of the plurality of battery cells to the bottom plate.
Resumen de: EP4706940A1
The present disclosure relates to a pouch manufacturing method and a pouch manufacturing device, and the pouch manufacturing method according to the present disclosure includes a seating process of seating a pouch sheet on a seating jig; a support process of pressing and supporting the pouch sheet through a support jig located on the opposite side with the pouch sheet interposed therebetween with respect to the seating jig; and a folding process of securing the pouch sheet through the seating jig and the support jig in the support process, and then moving a plurality of folding jigs and folding the pouch sheet seated on the seating jig to form a receiving portion in which the electrode assembly is accommodated.
Resumen de: EP4708397A1
The present invention relates to: a lithium silicon oxide in which gas generation is suppressed during application to an aqueous slurry; an anode comprising same; and a lithium secondary battery comprising the anode, and provides a lithium silicon oxide satisfying equation 1, an anode comprising same, and a lithium secondary battery comprising the anode.
Resumen de: EP4708399A1
The present invention relates to a positive electrode active material, and a positive electrode and a lithium secondary battery which include the same, and more particularly, to a positive electrode active material including a lithium composite transition metal oxide in the form of a single particle, wherein the lithium composite transition metal oxide satisfies Equation 1 described herein, and a positive electrode and a lithium secondary battery which include the same.
Resumen de: EP4708447A1
A battery ECU (300) calculates a gas generation amount (Vgo) generated in a case (S12), and calculates a gas permeation amount (Vgp) corresponding to an amount of leakage of the gas out of the case (S13). The battery ECU calculates an internal gas amount (Vg) that is a gas amount inside the battery, by subtracting the gas permeation amount (Vgp) from the gas generation amount (Vgo) (S14). Further, the battery ECU calculates an electrolyte solution permeation amount (Vep) corresponding to an amount of leakage of an electrolyte solution out of the case (S15), and calculates an internal void volume (Vc) that is a void volume inside the battery, by adding the electrolyte solution permeation amount (Vep) and an initial void volume (Vc0) (S16). Then, the battery ECU calculates a battery internal pressure (P) that is a pressure in the case, based on the internal gas amount (Vg) and the internal void volume (Vc) (S17).
Resumen de: EP4708393A1
An anode active material for a lithium secondary battery based on some embodiments of the disclosed technology includes composite particles that include: carbon-based particles including pores; and a silicon-containing coating formed on a surface of the carbon-based particles, wherein a weight increase start temperature of the composite particle, measured by thermogravimetric analysis (TGA) at a heating rate of 10 °C/min, is from 440 °C to 580 °C.
Resumen de: EP4707031A1
A battery system includes: a battery stack (150); a housing (101) that houses the battery stack (150) and that is installed in a vehicle; a first thermistor (102 to 112) that detects a first temperature of the housing (101); a second thermistor (114 to 120) that detects a second temperature in the housing (101); and a battery ECU (304) that compares a result of detection by the first thermistor (102 to 112) with a result of detection by the second thermistor (114 to 120) to determine whether a temperature increase in the battery stack is due to a change in an external environment of a battery pack (100) or due to a malfunction in a battery cell.
Resumen de: EP4707056A1
Embodiments of the present disclosure provide an energy storage apparatus, the energy storage apparatus including a cabinet body, an energy storage component, a charging gun and a cable, wherein air vents and a cable outlet are arranged on an outer surface of the cabinet body, the air vents include air inlets, and the air inlets are used for airflow entering the cabinet body; the energy storage component is arranged in the cabinet body; the charging gun is configured to be separable from the outer surface of the cabinet body; and a portion of the cable is positioned outside the cabinet body, one end of the cable is electrically connected to the charging gun, the other end enters the cabinet body through the cable outlet and is electrically connected to the energy storage component, and at least a portion of the cable passes through the air inlets.
Resumen de: EP4707054A1
The present disclosure discloses an energy storage device, belonging to the technical field of batteries. The energy storage device comprises a cabinet, a battery pack, a charging converter, a charging connector, a cooling system and a first heat dissipation apparatus. The battery pack is installed inside the cabinet. The charging converter is electrically connected to the battery pack. The charging connector is electrically connected to the charging converter to transmit electric energy converted by the charging converter. The cooling flow channels of the charging connector and the cooling flow channels of the charging converter are arranged in the cooling system. The first heat dissipation apparatus is at least partially arranged in the cooling system to cool the charging connector and the charging converter. The cooling flow channels of the charging converter and the cooling flow channels of the charging connector in the embodiments of the present disclosure are both arranged in the cooling system, and the first heat dissipation apparatus is cooled by a fan to cool the charging converter and the charging connector.
Resumen de: EP4708615A1
An integrated battery management system, including a first circuit board on which a wireless communication unit is mounted, and a second circuit board on which a microcontroller unit is mounted, the second circuit board being a predetermined distance above the first circuit board.
Resumen de: EP4708479A1
The present disclosure provides a cover plate assembly and a battery. The cover plate assembly is mounted on a housing with an accommodation cavity, and comprises: a cover plate, provided with a first mounting hole in communication with the accommodation cavity; a collection component, located in the accommodation cavity and configured to obtain a parameter information inside the housing; a lower connection part, of which a first end is located in the first mounting hole and a second end is in communication connection with the collection component; and, an upper connection part, of which a first end is detachably in communication connection with the first end of the lower connection part and a second end passes through the first mounting hole.
Resumen de: EP4707309A1
The present disclosure provides a method for producing a compound (A1) represented by the following formula (A1), the method including a step of reacting a compound (D) represented by the following formula (D) with a compound (E1) represented by the following formula (E1) in the presence of at least two types of lithium salts.(In formula (A1), R<sup>1</sup> is a hydrogen atom or a monovalent substituent, R<sup>3</sup> is a hydrogen atom or a monovalent substituent, Y is a halogen atom or a monovalent organic group having 1 to 20 carbon atoms, and X and R<sup>2</sup> satisfy the following (1) or (2):(1) X is a divalent organic group having 1 to 20 carbon atoms, and R<sup>2</sup> is a monovalent organic group.(2) R<sup>2</sup> and X are taken together to form a trivalent group.)
Resumen de: EP4708449A1
The present disclosure relates to a battery box having a structure that provides fire safety and enables multi-layer stacking. The battery box according to the present disclosure includes a first enclosure configured to accommodate a plurality of battery modules therein, a deflagration panel configured to rupture to allow flammable to be discharged from the first enclosure, when the flammable gas is generated in the first enclosure and pressure inside the first enclosure increases to a value greater than or equal to a threshold pressure, a first duct which has a lower end connected to the deflagration panel and an upper end connected to an exhaust port spaced a distance apart from the battery box and which guides the flammable gas discharged from the deflagration panel to the exhaust port, and a stacking support positioned on the first enclosure and configured to support a second enclosure stacked on the first enclosure.
Resumen de: EP4708421A1
A secondary battery (100), a battery module (10), and an electronic apparatus (1) are provided. The secondary battery (100) includes a casing (110) and an electrode assembly (120). The casing (110) includes an end wall (111) and a side wall (112) surrounding the end wall (111), and an axis of the casing (110) is a first axis (114). The electrode assembly (120) accommodated in the casing (110) includes a positive terminal sheet (121), a negative terminal sheet (123), and a separator (122) stacked and wound to form a wound structure (126). A number of turns of the negative terminal sheet (123) is greater than 40 turns, and an axis of the wound structure (126) is a second axis (1261).
Resumen de: EP4708455A1
Embodiments of the present disclosure provide a battery pack, an electrical apparatus, and an energy storage apparatus, which belong to the field of battery technologies. The battery pack includes a box, a battery cell, a thermal management component, a flange, a first connecting pipe, and a second connecting pipe. The box has an accommodating cavity and a mounting hole in communication with the accommodating cavity. The battery cell is located in the accommodating cavity. The thermal management component is located in the accommodating cavity to cool the battery cell. The mounting hole is used to avoid a temperature-regulating fluid entering and exiting the thermal management component. The flange covers the mounting hole. The flange is mounted on the box. The first connecting pipe is respectively connected to the flange and the thermal management component to provide the temperature-regulating fluid. The second connecting pipe is respectively connected to the flange and the thermal management component to discharge the temperature-regulating fluid. The flange spans the first connecting pipe and the second connecting pipe.
Resumen de: EP4707053A1
Embodiments of this disclosure provide an energy storage device and a temperature adjustment method for energy storage device, relating to the field of battery technologies. A battery pack installed inside a cabinet is electrically connected to an energy storage interface. A charging current converter is electrically connected to the battery pack. A charging connector is electrically connected to the charging current converter. A cooling system is configured to exchange heat with the charging current converter and the charging connector. A first heat dissipation apparatus is disposed in the cooling system. A temperature adjustment system is configured to exchange heat with the battery pack, and the cooling system and the temperature adjustment system are thermally separated. A second heat dissipation apparatus is disposed in the temperature adjustment system. A controller is configured to keep the cooling system off and turn on the temperature adjustment system in a first operating mode. The controller is configured to turn on the cooling system and the temperature adjustment system in a second operating mode. The controller is configured to keep the cooling system off and turn on the temperature adjustment system in a dormant mode.
Resumen de: EP4708477A1
The present specification relates to a cell pouch film, a packaging structure comprising same, and a method for storing the corresponding cell pouch film. Therefore, the moisture regain of the cell pouch film is controlled such that moldability, the level of thermal deformation bubbles, and mechanical properties can all be excellent.
Resumen de: EP4708509A1
Embodiments of this application provide a connection plate of a battery, a battery, an electric apparatus, and a manufacturing method for a battery. The connection plate of a battery includes two first surfaces and a second surface. The two first surfaces are oppositely disposed along a thickness direction of the connection plate. The first surface is configured to be bonded to a battery cell via a binder. At least one first surface is provided with a first opening. The second surface connects the two first surfaces and the second surface is provided with a second opening, where the second opening is in communication with the first opening. Providing the first opening and the second opening allows a path to exist on the first surface of the connection plate facing the battery cell, the path being in communication with the second surface on a side of the connection plate. This enables injection of the binder through the second surface into the first surface, facilitating bonding of the first surface to the battery cell. This approach allows control over the amount of the binder used during bonding of the first surface to the battery cell, improving the accuracy of the amount of binder.
Resumen de: EP4708405A1
Problem To reduce insufficient welding of resins at the time of manufacturing of a battery cell.Means for Solution A method of manufacturing a battery cell 1 includes: layering electrode sheets 3 and 4 in a layering direction L, the electrode sheets 3 and 4 each having an electrode 32 or 42 placed in a container 10 and a current collector 31 or 41 that is connected to the electrode in the container and protrudes to the outside through an opening 12 or 13 of the container; applying pressure and heat to a resin 51 placed between the current collector and the current collector layered on each other from outer sides toward a center in the layering direction L; causing the resin being melted to flow through a through hole 34 formed in the current collector in the layering direction L and fill the through hole; and welding the resin between the current collector and the current collector and sealing the opening of the container.
Resumen de: EP4708551A1
Disclosed are an assembly method for a secondary battery (1), a secondary battery (1), a battery pack (8) and an electronic device (9). The assembly method for the secondary battery (1) includes the following steps: an assembly step, assembling a current collector (30) and a terminal (40), so that a wall portion (405) of the terminal (40) abuts against the current collector (30); a welding step, irradiating a laser spot on the wall portion (405), and moving the laser spot along a helical trajectory, welding the wall portion (405) and the current collector (30) to form a weld mark (60), wherein, on a cross-section passing through a terminal axis, the weld mark (60) extends from a first end (60a) located on a surface of the wall portion (405) facing away from the current collector (30) to a second end (60b) located inside the current collector (30).
Resumen de: EP4708420A1
A secondary battery (300) including a housing (320) having an end wall and a sidewall, a positive electrode sheet, a first separator (210), a negative electrode sheet (220), a second separator (210), a first collector plate (310), and a first insulation film (230) is provided. An opening (330) is formed on one side of the sidewall facing away from the end wall. The positive electrode sheet, the first separator (210), the negative electrode sheet (220), and the second separator (210) are stacked and wound sequentially to form an electrode assembly (200) accommodated in the housing (320). The first collector plate (310) is disposed on one end of the electrode assembly (200) facing the opening (330), and the housing (320) is electrically connected to the negative electrode tab (221) through the first collector plate (310). The first insulation film (230) is wrapped around an outer periphery of the electrode assembly (200).
Resumen de: EP4708511A1
Disclosed is a battery pack having a stable fixing structure. The battery pack includes a pack case having a predetermined accommodation space; and a cell array stack including a plurality of cell array structures that are stacked in multi stages, the cell array stack having a case mounting portion fixed to at least one side wall of the pack case.
Nº publicación: EP4708552A1 11/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4708552A1
A battery module of the present invention includes: a stack provided as one or more battery cells; a case in which the stack is accommodated; and a PCB assembly provided inside the case and configured to electrically connect a first busbar provided at one side of the stack to a second busbar provided at the other side of the stack or cut off electricity so as not to flow when current exceeding a preset value flows, wherein the PCB assembly includes: a first connection cable connected to the first busbar; a second connection cable connected to the second busbar; and a PCB provided with a circuit configured to electrically connect the first connection cable to the second connection cable and a fuse configured to cut off the electricity so as not to flow through the circuit when the current exceeding the preset value flows through the circuit.
BOPI
Sede Electrónica
