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1230
resultados
Última actualización
28/08/2025 [07:37:00]
Resultados 625 a 650 de 1230
Resumen de: EP4604243A1
A cell includes a positive-electrode sheet, a separator, and a negative-electrode sheet. The positive-electrode sheet includes a positive-electrode collector and a positive-electrode active material layer disposed on each of two surfaces of the positive-electrode collector; the positive-electrode active material layer includes a first active material layer and a second active material layer laminated on the first active material layer; and the first active material layer is in direct contact with a surface of the positive-electrode collector. The first active material layer comprises a ternary active material, the ternary active material has a specific surface area of 0.3-0.9 m<sup>2</sup>/g; the second active material layer comprises a lithium manganese iron phosphate material, the lithium manganese iron phosphate material has a specific surface area of 20-24 m<sup>2</sup>/g.
Resumen de: EP4603262A1
A sealing tool according to one aspect of the present disclosure includes a first sealing block and a second sealing block facing each other, wherein the first sealing block includes a first fixing part; and a first replacement part configured to be coupled to and detachable from the first fixing part; and the second sealing block includes a second fixing part; and a second replacement part configured to be coupled to and detachable from the second fixing part; wherein at least one of the first and second replacement parts is formed with a groove for an electrode lead to be received in a position corresponding to the electrode lead.
Resumen de: EP4604289A2
The present application relates to a cell contact system of an energy storage battery, an energy storage battery device, and an electrical apparatus. The cell contact system of the energy storage battery includes a conductive aluminum busbar, the conductive aluminum busbar includes a first electric-connecting element and a second electric-connecting element, the first electric-connecting element and the second electric-connecting element have first different specifications configured to provide error-proofing assembly for the cell contact system of the energy storage battery, and a length of a first electric-connecting portion of the first electric-connecting element is different from a length of a second electric-connecting portion of the second electric-connecting element.
Resumen de: EP4604314A1
An electrolyte injection device according to one embodiment of the present disclosure is an electrolyte injection device for injecting an electrolyte into a cell case, the device comprising: an upper plate with a built-in hopper for injecting an electrolyte into the cell case at the upper side of the cell case, a lower plate with a mounting hole through which the lower surface of the cell case is seated, and an elastic part that is located at a position corresponding to the mounting hole on the lower side of the lower plate and is compressed according to the pressure applied to the lower surface of the cell case, wherein a sensor unit for measuring a pressure applied to the lower surface of the cell case is located on an upper part of the elastic part.
Resumen de: EP4604305A2
The present application relates to a secondary battery (10) and a battery module. The secondary battery (10) includes: a casing (11) including a receiving cavity (11a) having an opening; a top cover assembly (12), which the top cover assembly (12) is connected to the casing (11) to seal the opening, and an electrode assembly (13), disposed in the receiving cavity (11a), in which the electrode assembly (13) includes two end faces (13a) disposed opposite to each other in a first direction (Y) perpendicular to a depth direction (X) of the receiving cavity (11a), a lug (13b) extending from each end face (13a); the lug (13b) is a layered structure and has a redundant section (130a) close to the end face (13a) and a connecting section (130b) connected to the redundant section (130a); the current collecting member (14) includes a current collecting portion (141) fixedly connected to the connecting section (130b). The lug (13b) of the secondary battery (10) of the embodiment of the present application has the redundant section (130a), which can effectively buffer the movement and reduce the possibility that the lug (13b) is torn or broken due to an excessive tensile stress.
Resumen de: EP4604211A1
An anode material and a battery are provided. The anode material includes an active substance. The active substance includes a carbon matrix and a silicon material. The anode material contains an oxygen element and a nitrogen element, a mass content of the oxygen element is A%, and a mass content of the nitrogen element is B%. A powder conductivity of the anode material is P S/m, and meets the following relationship: (A+B)/P ≤ 3. According to the anode material provided in the present disclosure, a gas production phenomenon of the anode material is reduced while maintaining high electron conductivity.
Resumen de: EP4604262A1
A thermal propagation test jig for a battery includes a nail block, at least one nail located at a bottom of the nail block and a nail holderconfigured to receive the nail block and the at least one nail. The thermal propagation test jig for the battery is configured to evaluate a battery module's stability.
Resumen de: EP4604187A1
Provided is a cathode material and a preparation method therefor, and a secondary battery. The cathode material is a lithium nickel cobalt oxide composite oxide. In an XRD pattern of the cathode material, a characteristic peak of a crystal face (104) includes a (104)-Kα1 diffraction peak and a (104)-Kα2 diffraction peak after peak splitting, a separation value between the (104)-Kα1 diffraction peak and the (104)-Kα2 diffraction peak is α, and 0.7 ≤ α ≤ 2.0. The cathode material has suitable particle size, good particle strength and sufficient internal defects, which are conducive to reducing the phenomenon of polarization of the cathode material, such that the secondary battery based on the cathode material has both better cycle stability and rate performance.
Resumen de: EP4604235A1
The present application discloses an insulating cover installation system and a use method thereof, and a production method for a battery pack. The insulating cover installation system includes a machine frame, a material loading assembly, a peeling assembly, a positioning assembly, a driving assembly, and a control module, where the material loading assembly has a material placement position for placing an insulating cover; the driving assembly includes a conveying mechanism, a moving mechanism, and a suction and transfer mechanism, where the conveying mechanism is configured to convey the battery to an attachment station; the moving mechanism is configured to suction the insulating cover from the material placement position to the peeling assembly, the peeling assembly is configured to cooperate with the moving mechanism to peel the release paper from the insulating cover, and the moving mechanism is configured to suction the insulating cover with the release paper peeled off to the positioning assembly; and the suction and transfer mechanism is configured to suction and transfer the insulating cover on the positioning assembly to the attachment station to attach the insulating cover to the battery located at the attachment station. The technical solution of the present application can improve the installation efficiency of insulating covers.
Resumen de: EP4604208A1
The present invention relates to a positive electrode active material for an all-solid-state battery, a method of preparing same, and a positive electrode for an all-solid-state battery and an all-solid-state battery comprising same.
Resumen de: EP4604256A1
Disclosed is a wound core assembly comprising a positive electrode plate, a negative electrode plate, and a separator therebetween, with a central mandrel hole at its winding center. The termination edge of the positive electrode plate adjacent to the central mandrel hole is configured with an inclined segment that has two ends along its longitudinal axis respectively positioned at widthwise edges of the positive electrode plate, or the terminal edge is structured as a convex or concave edge; and/or, the termination edge of the negative electrode plate adjacent to the central mandrel hole is configured with an inclined segment, or a convex edge, or a concave edge. The inclined/convex/concave edges angled relative to the central mandrel hole's axis resolve stress into circumferential/axial components. Housing constraints counteract axial stress, reducing circumferential stress to prevent mandrel hole deformation, electrode bending, or fractures.
Resumen de: EP4604298A1
Disclosed herein relates to a battery pack in which a cell assembly is accommodated, including: a pack case in which a cell assembly is seated; and an upper case coupled to the pack case to cover an upper part of a cell assembly seated inside the pack case, wherein the upper case includes a protruding part at a lower end that presses against the upper part of a cell assembly seated in the pack case.
Resumen de: EP4604303A1
A busbar assembly according to one embodiment of the present disclosure comprises: a busbar that is connected to battery modules inside the battery pack to guide an electrical connection of the battery modules, a first insulating layer that surrounds an outer peripheral surface of the busbar and has grooves formed at both ends, a second insulating layer that surrounds the first insulating layer, and a cap that including a main body that surrounds both ends of the busbar and a fixing part that is inserted into the groove.
Resumen de: EP4603192A1
Embodiments of the present application provide a coating device for coating electrode plates and a battery production system. The coating device includes: a first die head and a second die head connected with each other, wherein a flow channel is formed between the first die head and the second die head, and the flow channel includes a material inlet and a material outlet; and an adjusting member, wherein at least part of the adjusting member is detachably arranged in the flow channel, the adjusting member is used to adjust a size of a material along a width direction when the material is discharged from the material outlet, and the width direction is perpendicular to a stacking direction of the first die head and the second die head, and perpendicular to a direction from the material inlet to the material outlet. The coating device for coating electrode plates and the battery production system in the embodiments of the present application can improve the efficiency of electrode plate coating.
Resumen de: EP4604266A1
A heat exchanging assembly (100), a battery module (300), a battery (400), and an electrical device (500) are provided. The heat exchanging assembly (100) includes a heat exchanging plate (10). The heat exchanging plate (10) has a heat exchanging flow channel (11). The heat exchanging plate (10) has a discharge structure (12). The discharge structure (12) is configured to correspond to a pressure relief mechanism (201) of a battery cell (200). The heat exchanging flow channel (11) is arranged on at least one side of the discharge structure (12) in a width direction of the heat exchanging plate (10). The heat exchanging flow channel (11) is configured to exchange heat with the battery cell (200).
Resumen de: EP4604215A1
The present application relates to the technical field of preparation of a lithium-ion cathode material, and discloses a lithium iron phosphate cathode material, a preparation method thereof, and a lithium-ion battery. Based on X-ray Diffraction (XRD) test, the lithium iron phosphate cathode material has diffraction characteristic peaks at 2θA1=29.4° to 29.6°, 2θA2=29.8° to 30°, and 2θA3=43.8° to 43.9°. As the lithium iron phosphate cathode material has specific diffraction characteristic peaks based on XRD test, the lithium iron phosphate cathode material can have a high pallet density, thereby significantly improving electrochemical performances such as capacity and cycle performance of the lithium-ion battery assembled from the lithium iron phosphate cathode material.
Resumen de: EP4604203A1
The present application provides a positive electrode plate and a manufacturing method therefor, a battery cell, a battery, and an electrical apparatus. The positive electrode plate comprises a current collector, a first positive electrode active material layer, and a second positive electrode active material layer; the first positive electrode active material layer is arranged on at least one side of the current collector, and the second positive electrode active material layer is arranged on the first positive electrode active material layer; the first positive electrode active material layer comprises a first positive electrode active material, the second positive electrode active material layer comprises a second positive electrode active material, the first positive electrode active material comprises a lithium-containing phosphate of olivine structure, and the second positive electrode active material comprises a cobalt-containing lithium metal oxide. The positive electrode plate can effectively improve the influence of the concentration polarization of a battery on the performance of the battery, thereby helping to improve the capacity and cycle performance of the battery.
Resumen de: EP4604310A1
The present invention relates to a battery module. The battery module includes a pouch-type cell provided with an electrode assembly, a pouch-type exterior configured to accommodate the electrode assembly, and an electrode lead electrically connected to the electrode assembly to extend to the outside of the pouch-type exterior, and a support frame provided with a lower plate disposed to correspond to a bottom surface of the pouch-type cell, and a pair of side plates extending upward from both ends of the lower plate in a width direction, respectively, to define an accommodate space for accommodating at least a portion of the pouch-type cell together with the lower plate, wherein the electrode lead is disposed on an upper portion of the pouch-type exterior so as to be exposed to the outside of the support fame through an upper opening of the support frame.
Resumen de: EP4604286A1
A battery module according to an embodiment of the present invention may include: a module frame; a plurality of pouch-type battery cells disposed parallel to each other within the module frame; and a plurality of vent holes defined to pass through one surface of the module frame. Each of pouch-type battery cells may include: an electrode assembly provided with an electrode lead; a battery case comprising an accommodation part configured to accommodate the electrode assembly, a short-side sealing part which is disposed on a portion of a circumference of the accommodation part and from which the electrode lead protrudes, and a long-side sealing part disposed on the other portion of the circumference of the accommodation part and folded toward the accommodation part; and a plurality of fixing members attached to the battery case to fix the long-side sealing part in a folded state and arranged to be spaced apart from each other in a longitudinal direction of the long-side sealing part. In each of the vent holes, an area that does not overlap the fixing member may be wider than an area that overlaps the fixing member.
Resumen de: EP4603325A1
Disclosed in the present application are a battery self-heating system, an electrical device, and a vehicle. The battery self-heating system comprises a first battery, a second battery, a converter, a motor, a first switch device and a second switch device, the first battery and the second battery being connected through the first switch device, a negative electrode of the first battery and a negative electrode of the second battery being both connected to a first terminal of the converter, and the second switch device being arranged between the negative electrode of the first battery and the first terminal of the converter. One of a positive electrode of the first battery and a positive electrode of the second battery is connected to the motor, and the other one is connected to a second terminal of the converter. Thus, by means of controlling the motor and the converter, the first battery and the second battery can be alternately charged and discharged, and further self-heating of the first battery and the second battery can be performed by using oscillating current generated by alternate charging and discharging, so that compared with external heating, the present application can effectively raise heating efficiency, and does not need addition of an extra heating apparatus, thus achieving lower costs.
Resumen de: WO2024081684A2
Lithium-sulfur battery cathodes with a graded structure are provided and can include an actively electro-catalyzing and polysulfide-trapping system to improve sulfur utilization and capacity retention, as well as methods of fabricating the same and methods of using the same. The graded structure Li-S cathode can be prepared using economic and scalable synthesis and coating methods.
Resumen de: EP4604042A1
The present disclosure relates to systems (1) and methods for manufacturing a battery electrode plate. The system (1) comprises a computing device configured to receive, from the client device, a target process factor among a plurality of process factors associated with manufacturing a battery electrode plate, predict, via a machine-learning model, a change in a characteristic of the battery electrode plate based on a change in a design value of the target process factor, generate information for selecting the target process factor based on predicting the change of the characteristic of the battery electrode plate, and transmit the information to the client device for manufacturing the battery electrode plate.
Resumen de: EP4604263A1
A terminal block (11), a terminal block assembly (10) and a battery module (100) are provided. The terminal block (11) includes at least two cell connection bodies (111, 112) and a terminal connection body (113). The at least two cell connection bodies (111, 112) are arranged at intervals, and the cell connection bodies (111, 112) are configured to connect with poles of cells. The terminal connection body (113) is connected between two adjacent cell connection bodies (111, 112). The cell connection body (111, 112) is provided with an accommodating groove (11b), which is configured to accommodate and mount a temperature sensor.
Resumen de: EP4604190A1
Example embodiments provide a secondary battery manufacturing apparatus. The secondary battery manufacturing apparatus includes a drying chamber, and a water spray device configured to spray water onto an electrode sheet in the drying chamber, in which the water spray device includes a nozzle configured to be rotated.
Nº publicación: EP4604225A1 20/08/2025
Solicitante:
WUXI LEAD INTELLIGENT EQUIPMENT CO LTD [CN]
Wuxi Lead Intelligent Equipment Co., Ltd
Resumen de: EP4604225A1
Disclosed is a winding device in the present disclosure. The winding device includes a material-placing mechanism, a mounting table, a winding member and a restraining member, wherein the material-placing mechanism is configured to convey a material strip; the winding member includes a winding needle base and a plurality of winding needles provided on the winding needle base, the winding needle base is rotatably provided on the mounting table, with a winding needle gap formed between the plurality of winding needles and configured to allow the material strip to pass through; the restraining member is provided outside the winding needle gap and configured to fix the material strip protruding from the winding needle gap with a preset force F1, a winding tension applied to the material strip when the winding needle base drives the winding needle to rotate is F2, and F1 is less than F2 so as to wind both a preset length of the material strip and the material strip protruding from the winding needle gap onto the winding needle when the winding needle base drives the winding needle to rotate. The winding device provided by the present disclosure can ensure the winding performance for small-sized cells.
BOPI
Sede Electrónica
