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1509
resultados
Última actualización
17/03/2026 [07:16:00]
Resultados 600 a 625 de 1509
Resumen de: EP4708522A2
A battery module according to one embodiment of the present disclosure includes first and second cell block assemblies that include a battery cell stack and are arranged along a direction perpendicular to the stacking direction of the battery cell stack; a module frame that houses the first and second cell block assemblies and is opened in a front and rear direction; and a cooling plate arranged below the bottom portion of the module frame, wherein a flow path through which refrigerant flows is formed in the cooling plate, and the flow path is formed in a direction parallel to the arrangement direction of the first and second cell block assemblies.
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: 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: 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: 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: EP4708443A1
An electrolyte and a secondary battery, belonging to the technical field of secondary batteries. The electrolyte includes a lithium salt and a solvent. The solvent includes a cyclic carbonate, a linear carbonate, and a carboxylic ester. A mass percentage of the cyclic carbonate is 8% to 24%. The linear carbonate includes a dimethyl carbonate and at least one of a methyl ethyl carbonate and a diethyl carbonate. A mass percentage of a mass sum of the methyl ethyl carbonate and the diethyl carbonate is 2% to 10%. A mass percentage of the carboxylic ester is 20% to 40%. The carboxylic ester includes a first component and a second component. Viscosities of the first and second components at 25±2°C are respectively 0.4 mPa·s to 0.5 mPa·s and 0.3 mPa·s to 0.4 mPa·s. Mass percentages of the first and second components are respectively 15% to 40% and 0% to 15%.
Resumen de: EP4707352A1
The present disclosure provides a bonding structure, a bonding method, an insulating adhesive tape, and a battery. The insulating adhesive tape includes a first bonding area and a second bonding area disposed at intervals, and a non-bonding area disposed between the first bonding area and the second bonding area. The first bonding area is configured to bond a cell, the second bonding area is configured to bond a welding area formed by a tab of the cell and a current collector, and the non-bonding area is configured to correspond to a bending area of the tab.
Resumen de: EP4707830A1
The present invention relates to a positive electrode comprising a positive electrode active material, wherein a resistance component ratio, as defined by equation 1 below, is 2 or more. Equation 1 R<sub>ct</sub> / R<sub>s</sub>. In the equation, R<sub>ct</sub> means a charge transfer resistance of the positive electrode, which is measured in a first frequency range for a secondary battery comprising the positive electrode, R<sub>s</sub> means a surface or interface resistance of the positive electrode, which is measured in a second frequency range for the secondary battery comprising the positive electrode, the first frequency range is from 1 Hz to 1 kHz, and the second frequency range is from more than 1 kHz to 1,000 kHz.
Resumen de: EP4708525A1
A battery enclosure according to certain embodiments of the present disclosure comprises: an enclosure having an accommodation space therein, a battery rack that is fixed to the accommodation space inside the enclosure and includes at least one battery, and a control panel that provides an electrical connection between an electrical device located outside the enclosure and the battery rack, wherein the control panel is connected to the battery rack via a first cable, and wherein the first cable extends from the control panel located on one side of the enclosure toward the other side of the enclosure within a first power distribution space formed on an upper part of the enclosure.
Resumen de: EP4708501A1
A battery enclosure according to certain embodiments of the present disclosure comprises: an enclosure having an accommodation space therein, a battery rack that is fixed to the accommodation space inside the enclosure and includes at least one battery, and a control panel that provides an electrical connection between an electrical device located outside the enclosure and the battery rack, wherein the size occupied by the control panel in a longitudinal direction of the enclosure is less than or equal to twice the length value of the battery.
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: 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: EP4708463A1
Provided is a battery pack comprising: a plurality of cell assemblies each of which includes a cell stack comprising a plurality of battery cells stacked together and a cooling member covering at least one surface of the cell stack; and a pack housing in which the plurality of cell assemblies are accommodated, wherein the cooling member includes: a base plate arranged to be opposite to the bottom surface of the cell stack; at least one side plate arranged to be opposite to the cell stack in the stacking direction of the plurality of battery cells and coupled to the pack housing; and a flow path part provided across the base plate and the at least one side plate and configured to allow a coolant to flow therethrough.
Resumen de: EP4708493A1
A battery enclosure according to certain embodiments of the present disclosure comprises: an enclosure having an accommodation space therein, a battery rack that is fixed to the accommodation space inside the enclosure and includes at least one battery, and a control panel that is electrically connected to the battery rack, wherein the accommodation space includes a power storage space in which the battery rack is located and a control space in which the control panel is located, and wherein the enclosure is formed with a plurality of openings on different surfaces from each other, and a cable passes through the openings.
Resumen de: EP4708464A1
Provided is a battery module comprising: a first cell stack and a second cell stack, each with a plurality of battery cells stacked; a housing having an inner space in which the first cell stack and the second cell stack are accommodated; an insulating fluid configured to flow in the inner space of the housing; and a barrier assembly disposed between the first cell stack and the second cell stack, wherein the barrier assembly includes: a heat insulation cover configured to be capable of blocking heat propagation between the first cell stack and the second cell stack; and a heat dissipation member in contact with the insulating fluid and including a material having a higher thermal conductivity than the heat insulation cover.
Resumen de: EP4708459A1
Disclosed is a battery module with improved cycle performance. The battery module according to one aspect of the present disclosure includes: a cell assembly including a plurality of battery cells stacked in at least one direction and respectively configured to provide an electrode terminal; a module case configured to accommodate the cell assembly in an inner space; a cooling member disposed at least on one side of the cell assembly and configured to discharge heat through a coolant; and a heat dissipation member disposed to face at least one battery cell and configured to transfer heat from the battery cell to the cooling member and partially protrude from a side of the cooling member.
Resumen de: EP4708520A1
A battery enclosure according to an embodiment of the present disclosure includes an enclosure including a base fixed to an installation surface, and a battery rack that accommodates at least one battery and is fixed to the base. The battery rack includes at least one vertically extending column, the base includes at least one horizontal beam and at least one vertical beam. The horizontal beam includes a fixture that fixes the battery enclosure to the installation surface, and the fixture is provided at a position corresponding to a position of the column included in the battery rack.
Resumen de: EP4708533A1
The present disclosure relates to a battery module including: a plurality of battery cells; a module case having an upper opening and configured to accommodate the plurality of battery cells; and a top plate coupled to the upper opening of the module case and having a plurality of venting paths configured such that venting gas generated from the battery cell flow therethrough, and separated from each other.
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: EP4707242A1
The present disclosure provides a lithium ion battery material and a preparation method therefor and a use thereof. The structural formula of the lithium ion battery material is Li4ZrF8-2XOX, wherein 0
Nº publicación: EP4707258A1 11/03/2026
Solicitante:
LIONGO CHANGZHOU NEW ENERGY CO LTD [CN]
Liongo (Changzhou) New Energy Co., Ltd
Resumen de: EP4707258A1
Provided in the present disclosure is a composite material, which comprises LiAlPO4(OH)xF1-x and Al(H2PO4)3 compounded on the surface of the LiAlPO4(OH)xF1-x, wherein 0≤x≤1. A corresponding core-shell/glassy solid-state electrolyte material is also prepared in the present disclosure. The composite solid electrolyte has good ionic conductivity, good flexibility, a stable composite structure and thermal stability, such that when being applied to positive electrode coating, the composite solid electrolyte can slow down reduction in the capacity of a positive electrode by a coating layer, effectively remove alkaline residual lithium left on the surface in the preparation process of a positive electrode material, and convert the residual lithium into Li3PO4 favorable for ionic conductivity of the coating layer and AlPO4 capable of protecting the positive electrode. Moreover, Li3AlF6 is more stable to HF, and the good flexibility of a glassy structure thereof is beneficial to effective interfacial contact between the positive electrode and an electrolyte solution of the electrolyte, such that good interfacial ion conduction is achieved.
BOPI
Sede Electrónica
