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1729
resultados
Última actualización
19/03/2026 [07:23:00]
Resultados 725 a 750 de 1729
Resumen de: EP4708446A1
The present disclosure provides a battery cell detection system and a detection method thereof. The battery cell detection system includes: a conveying device (1) used to convey a battery cell to a gripping station; a first transfer device (2) disposed opposite to the conveying device (1) in a vertical direction, where the first transfer device (2) includes a first gripping mechanism (21) and a first moving mechanism (22) connected to each other, the first gripping mechanism (21) is used to grip the battery cell, and the first moving mechanism (22) is used to transfer the battery cell from the gripping station to a detection station and configured to move a portion to be detected of the battery cell to a predetermined position; and a detection device (3) disposed at the detection station, where the detection device (3) is used to detect the portion to be detected of the battery cell.
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: EP4708385A1
A secondary battery positive electrode material, relating to the field of battery materials. The secondary battery positive electrode material comprises large particles with a particle size greater than or equal to 2 µm and small particles with a particle size smaller than or equal to 1 µm. The surfaces of some of the small particles are provided with a carbon coating layer; and the surfaces of some of the large particles are not provided with a carbon coating layer. According to the positive electrode material, by means of gradation design of the large and small particles, the effect that the small particles fill gaps left by accumulation of the large particles can be achieved, and then the compaction density is improved. Moreover, the surfaces of the small particles are coated with a carbon layer to provide sufficient electron transport paths, so that a stable electron pathway for the large particles wrapped by the small particles can be maintained in a charge and discharge cycle. Additionally, the surfaces of the large particles with the particle size larger than or equal to 2 µm are not hindered by a carbon coating layer, so that the wetting capacity of an electrolyte to the electrode sheet can be improved, and faster transmission of lithium ions at an interface can be realized, thereby reducing the impedance in a charge and discharge process.
Resumen de: EP4707786A1
The present invention belongs to the technical field of computers, and provides a square battery appearance defect detection method and apparatus, a storage medium, and an electronic device. The method comprises: moving a battery to be detected to a first position, and calling a first camera module to photograph a first part of said battery to form a front image and a rear image of said battery; moving said battery to a second position, and calling a second camera module to photograph a second part of said battery to form a left side image and a right side image of said battery; moving said battery to a third position, and calling a third camera module to photograph a third part of said battery to form a bottom image and a top image of said battery; and performing appearance defect identification on said battery according to the front image, the rear image, the left side image, the right side image, the bottom image and the top image. The present invention can improve the overall defect identification efficiency for square batteries.
Resumen de: EP4708543A1
The present application relates to the field of batteries, and provides a battery (1) and an electrical apparatus. The battery (1) includes a thermal management component (40) and an electrical box (30). The electrical box (30) includes a case (31) and a thermally conductive structure (32). The case (31) is configured to accommodate a heat-generating component (33). The thermally conductive structure (32) is sealingly connected to the case (31), and the thermally conductive structure (32) connects the heat-generating component (33) and the thermal management component (40). The electrical box (30) of the battery (1) facilitates heat exchange between the heat-generating component (33) and the thermal management component (40) via the thermally conductive structure (32) to meet the heat dissipation requirements of the electrical box (30). Additionally, by sealingly connecting the thermally conductive structure (32) to the case (31), connection gaps are sealed to prevent liquid infiltration into the interior of the case (31), thereby enhancing the sealing performance of the electrical box (30) and reducing the risk of high-voltage short-circuit arcing in the electrical box (30) due to water infiltration.
Resumen de: EP4707052A1
Embodiments of the present disclosure provide an energy storage charging pile thermal management system and an energy storage charging pile. The system includes: a first liquid cooling loop in which a first cooling pipeline passes through a battery and a heat exchange module, where a first coolant in the first cooling pipeline is an insulating liquid or a non-insulating liquid; and a second liquid cooling loop in which a second cooling pipeline passes through a charging module and the heat exchange module, where a second coolant in the second cooling pipeline is an insulating liquid. The first cooling pipeline and the second cooling pipeline perform heat exchange through the heat exchange module. A charging converter is electrically connected to the battery, and a charging gun is electrically connected to the charging converter through a charging wiring harness. The charging module includes the charging gun and the charging wiring harness, the charging gun being electrically connected to the battery through the charging wiring harness; and the second cooling pipeline is disposed along the charging wiring harness and passes through the charging gun. In this way, in the event of coolant leakage caused by damage to the charging wiring harness, the use of insulating second coolant for cooling can reduce the occurrence of electrical leakage.
Resumen de: EP4708369A1
Provided is a secondary battery manufacturing system according to example embodiments of the present technology. The system includes a first controller configured to collect coordinate data, and a measuring device configured to collect measurement data of an electrode sheet, in which the measuring device is configured to relate the coordinate data with the measurement data to generate coordinate-related inspection data.
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.
Resumen de: EP4709068A1
This application provides a power module and an energy storage system. The power module includes a housing, a connector, an inductor, a cold plate, and an air-liquid heat exchanger. The connector, the air-liquid heat exchanger, the cold plate, and the inductor are sequentially arranged inside the housing along a first direction. The housing includes a front plate and a rear plate. The front plate and the rear plate are oppositely arranged along the first direction. The connector is arranged between the air-liquid heat exchanger and the front plate along the first direction. The connector includes a cold plate inlet, a heat exchanger inlet, a cold plate outlet, and a heat exchanger outlet. Along a second direction, the cold plate inlet and the cold plate outlet are adjacently arranged, and the heat exchanger inlet and the heat exchanger outlet are adjacently arranged. Along a third direction, the heat exchanger inlet and one of the cold plate inlet and the cold plate outlet are adjacently arranged, and the heat exchanger outlet and the other one of the cold plate inlet and the cold plate outlet are adjacently arranged. The third direction, the second direction, and the first direction are perpendicular to each other. The power module in this application has a small size, and has good heat dissipation effect for various heat-generating components, and can reduce heat dissipation costs.
Resumen de: EP4708478A1
The present application provides a battery cell, a battery, and an electrical apparatus, and belongs to the field of battery technologies. The battery cell includes a shell, a pressure relief component, and a reinforcement member. The shell has a wall portion, and the wall portion is provided with a pressure relief hole. The pressure relief component is arranged in the pressure relief hole and covers the pressure relief hole. The reinforcement member is arranged in the pressure relief hole and does not exceed the pressure relief hole in a thickness direction of the wall portion. The reinforcement member is connected to a hole wall surface of the pressure relief hole. The reinforcement member and the pressure relief component are arranged in the thickness direction of the wall portion to reinforce the strength of the wall portion at the pressure relief hole. This battery cell is capable of improving, by the reinforcement member, the structural strength of a region of the wall portion where the pressure relief hole is arranged, so as to alleviate the phenomenon that the pressure relief hole deforms when the wall portion is subjected to internal and external impact forces, thereby being capable of playing a protective role for the pressure relief component, so as to reduce the impact to the pressure relief component when the wall portion is subjected to the internal and external impact forces, which is conducive to alleviating the deformation of or damage to the pressure relief
Resumen de: EP4708402A1
The present application discloses a positive electrode plate and a preparation method therefor, a positive electrode plate, a battery and an electrical apparatus. The positive electrode plate comprises a positive electrode current collector, and at least one side of the positive electrode plate away from the positive electrode current collector comprises a polymer and an organic solvent, wherein the organic solvent is located in the polymer, and the electrochemical oxidation window of the organic solvent is greater than 4 V
Resumen de: EP4708401A1
This application provides a negative electrode and a preparation method therefor, a battery cell containing the same, a battery, and an electric apparatus, where the negative electrode includes a negative electrode current collector and a coating disposed on at least one surface of the negative electrode current collector, the coating includes a flexible carbon material, the flexible carbon material includes micropores with a pore diameter less than or equal to 0.8 nm, a pore volume of the micropores with a pore diameter less than or equal to 0.8 nm is denoted as Vmic, a pore volume of the flexible carbon material is denoted as Vtotal, both in units of cm<3>/g, and Vmic:Vtotal≥65:100.
Resumen de: EP4707834A1
A battery diagnosis apparatus includes a voltage obtaining unit configured to obtain voltage information of each of a plurality of battery units included in each of a plurality of vehicles and a controller configured to calculate a cumulative voltage variance of each of the plurality of battery units, based on the voltage information, calculate at least one deviation that is deviation of cumulative voltage variances for each of the plurality of vehicles, and manage the plurality of battery units based on a distribution of the at least one deviation of the plurality of vehicles.
Resumen de: EP4708498A2
A battery pack includes a plurality of battery cells arranged adjacent to one another, ribs arranged respectively between battery cells of the plurality of battery cells, a frame connected to opposite end portions of the ribs and accommodating the plurality of battery cells together with the ribs, and an upper label attached to an upper surface of the frame, and the upper label includes at least one opening that is recessed from the frame in a direction toward the ribs, and the ribs each include a first region overlapping with the upper label, a second region located to correspond to the opening and having a thickness greater than a thickness of the first region, and a connection portion connecting the first region and the second region to each other.
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: 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.
Nº publicación: EP4708520A1 11/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
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.
BOPI
Sede Electrónica
