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1242
resultados
Última actualización
01/04/2026 [08:23:00]
Resultados 875 a 900 de 1242
Resumen de: CN120957831A
The invention relates to a device (5) and a method for welding half-sheets (2, 3) to form a bipolar plate (1). The device comprises at least three tool parts, namely a lower tool part (6a) and a multi-part upper tool part (6b), in which half-sheets (2, 3) to be welded together can be inserted between the lower tool part (6a) and the multi-part upper tool part (6b). The multi-part upper tool part (6b) comprises a plurality of individual parts (7; the individual parts (7, 8) of the multi-part upper tool part (6a) can be arranged one after the other and only alternately above the lower tool part (6a), and wherein both at least one first opening (9) for introducing a pressurized gas and at least one second opening (10) for introducing a pressurized gas are formed in each of the individual parts (7, 8) of the multi-part upper tool part (6a). The half-sheets (2, 3) can be pressed against each other by means of a pressurized gas, and a second opening (10, 10 ') for introducing joining energy during the welding process for welding the half-sheets (2, 3), the second opening (10, 10') in the individual part (7, 8) of the multi-part upper tool part (6b) as viewed perpendicular to the plane of the half-sheets (2, 3), and the second opening (10, 10 ') being formed in the individual part (7, 8) of the multi-part upper tool part (6b), as viewed perpendicular to the plane of the half-sheets (2, 3). 10 ') are largely complementary to each other and overlap only in some areas, such that only a
Resumen de: CN120958625A
A secondary energy storage element (100) includes, as electrodes, a cathode (108) and an anode (105), which are parts of an assembly (104), which are separated by a separator or a solid electrolyte layer (116), and which are arranged in the assembly in the order of cathode (108)/separator or solid electrolyte layer (116)/anode (105). The cathode (108) comprises a cathode current collector (109) and a positive electrode material (110), and the anode (105) comprises an anode current collector (106) and a negative electrode material (107). The cathode current collector (109) has a main region loaded with a layer of positive electrode material (110) on both sides and a free edge strip (109b) extending along an edge of the cathode current collector (109) and not loaded with the positive electrode material (110). Alternatively or simultaneously, the anode current collector (106) has a main region loaded with a layer of negative electrode material (107) on both sides and a free edge strip (106b) extending along an edge of the anode current collector (106) and not loaded with the negative electrode material (107). The cathode (108) and the anode (105) are formed and/or arranged in the fitting (104) in such a way that a free edge strip (109b) of the cathode current collector (109) protrudes from one side (104b) of the fitting (104) and/or a free edge strip (106b) of the anode current collector (106) protrudes from the other side (104a) of the fitting (104). The energy storage element
Resumen de: CN121127392A
A method (500) performed by an electric vehicle controller (210) in which a vehicle (100) has a plurality of battery packs (110a, 110b, 110c, 110d), each having its own heating device (230) to individually adjust the respective battery pack temperature. The method (500) includes detecting when a temperature of the battery pack (110a, 110b, 110c, 110d) falls below a specified lower threshold level. Upon detection, the heating device (230) is allowed to provide heat to a different first set (105) of battery packs while not allowed to provide heat to a separate second set (107) of battery packs. This selective heating strategy occurs when it is found that the battery temperature is below the lower threshold level. A corresponding controller (210) and an electric vehicle (100) are also described.
Resumen de: EP4712230A2
A battery pack (100) includes:a pack unit body (140) including at least one battery cell (141);a first cooling plate (110) including a first cooling path (111), along which a refrigerant is circulated, and a first inlet pipe (112) connected to the first cooling path (111);a second cooling plate (120) including a second cooling path (121), along which a refrigerant is circulated, and a second inlet pipe (122) connected to the second cooling path (121) and sealingly coupled to the first inlet pipe (112);a main supply pipe (130) branching from the first inlet pipe (112) or the second inlet pipe (122) and supplying a refrigerant to the first inlet pipe (112) and the second inlet pipe (122);a side frame (170) facing the pack unit body (140);a cover member (180) disposed between at least of the first cooling plate (110) or the second cooling plate (120) and the pack unit body (140) to cover the pack unit body (140); anda partition wall frame(171) connected to the side frame (170) such that a third venting hole (171a) opens toward the pack unit body (140),wherein the side frame (170) has a first venting hole (170a) and a second venting hole (170b) connected to the outside; andwherein the partition wall frame (171) has the third venting hole (171a) connected to the first venting hole (170a) .
Resumen de: EP4712240A2
The invention is related to an electric module for use in a power tool comprising a housing and an electrical connection terminal. The housing defines a battery chamber which at least partly accommodates a battery assembly. The electrical connection terminal is disposed at the top portion within the housing. The electrical connection terminal is arranged to electrically connect with the battery assembly accommodated in the battery chamber. The housing prevents water and/or foreign matters in the battery chamber from contacting with the electrical connection terminal disposed at the top portion inside the housing. The invention allows the battery chamber exposing to the external through the opening without the necessity of including additional waterproof/enclosed units in the electric module for preventing water and/or foreign matters entering the battery chamber and contacting with the electrical connection terminal disposed at the top portion within the housing. The structure is simple, the production cost is low, and unnecessary units are reduced.
Resumen de: EP4712213A2
A battery system includes a battery module that utilizes the first and second retention housings to hold a battery cell retention frame therein that can be either air cooled or fluid cooled. In particular, the first and second retention housings have an inlet port and an outlet port, respectively, for routing fluid through the battery cell retention frame for cooling cylindrical battery cells thereon. Alternately, the battery cell retention frame can be air cooled for cooling the cylindrical battery cells. Also, the first and second retention housings provide improved structural integrity to the battery module.
Resumen de: EP4712251A2
Embodiments of the present application provide a battery cell and a manufacturing method and device therefor, a battery, and an electric device. A battery cell (100) comprises: an electrode assembly (1) comprising a main body part (11) and a tab (12), the tab (12) being connected to a side portion of the main body part (11) in a first direction (X); and a protective frame (2) having an integrated structure and comprising three sections of protective plates which are respectively used for protecting three side surfaces of the main body part (11), the three sections of protective plates comprising a first plate (21), a second plate (22), and a third plate (23), the third plate (23) being located between the first plate (21) and the second plate (22), two ends of the third plate (23) being respectively connected to a first end of the first plate (21) and a first end of the second plate (22), and at least one of the first plate (21), the second plate (22), and the third plate (23) being provided with an opening (231), wherein the tab (12) is led out from the opening (231).
Resumen de: EP4711339A2
Disclosed are a positive electrode for a rechargeable lithium battery including a positive active material including a small particle diameter monolith particles having a particle diameter of about 1 µm to about 8 µm as a nickel-based lithium metal oxide, and a large particle diameter secondary particles having a particle diameter of about 10 µm to about 20 µm as a nickel-based lithium metal oxide, wherein an X-ray diffraction peak intensity ratio (I(003)/I(104)) of the positive electrodeis greater than or equal to about 3, a method of preparing the same, and a rechargeable lithium battery including the positive electrode.
Resumen de: EP4712159A2
This application provides a composite positive-electrode material and a preparation method thereof, a positive-electrode plate, a secondary battery (5), and a battery module (4), a battery pack (1), and an apparatus containing such secondary battery (5). The composite positive-electrode material includes a core and a coating layer covering at least part of a surface of the core, where the core includes a positive-electrode pre-lithiation material, the positive-electrode pre-lithiation material includes a lithium-rich metal oxide, and the coating layer includes a positive-electrode active material.
Resumen de: EP4712244A1
Disclosed is a battery assembly. A battery assembly according to an embodiment of the present disclosure may include a frame providing a space therein and having an opening formed at the rear; a battery cell positioned inside the frame; a rear end cover coupled to the opening and having a venting hole; and a venting channel that has a body providing a space therein, an inlet hole formed in the body and communicating with the venting hole, and an outlet hole formed in the body and configured to be openable.
Resumen de: EP4712149A1
A method of manufacturing an electrode sheet and a coating device. The method of manufacturing an electrode sheet includes the following steps: coating a to-be-coated surface of a current collector with a first active material to form a first wide layer; coating the to-be-coated surface with a second active material to form a narrow layer; and coating the to-be-coated surface with a third active material to form a second wide layer. The first wide layer, the narrow layer, the second wide layer, and the to-be-coated surface jointly define a tab welding groove. According to the method, the tab welding groove is processed through coating without laser cleaning, which helps to reduce manufacturing costs of an electrode sheet.
Resumen de: EP4712207A1
Disclosed is a battery module, which includes: a plurality of battery cells stacked on one another and having electrode leads protruding therefrom; and at least one sensing assembly mounted to at least one side of the plurality of battery cells and configured to electrically connect the electrode leads, wherein the at least one sensing assembly includes: a sensing bus bar electrically connected to the electrode leads; and a plurality of sensing housing parts configured so that the sensing bus bar is mounted to a front surface thereof, the plurality of sensing housing parts allowing the electrode leads to pass therethrough toward the sensing bus bar, the plurality of sensing housing parts being detachably assembled with each other.
Resumen de: EP4712226A1
The present disclosure provides a conductive module (10a), a cover plate assembly (100), and a battery cell (1000). The conductive module (10a) includes a pole (101) and a terminal pressing block (102). The pole (101) includes a first-metal post (1) and a second-metal layer (2) bonded on a surface of the first-metal post (1). The second-metal layer (2) includes a clamping portion (2a). The terminal pressing block (102) is connected to the pole (101). The clamping portion (2a) is clamped between the first-metal post (1) and the terminal pressing block (102), thereby reducing a risk that the second-metal layer (2) is separated from the first-metal post (1).
Resumen de: EP4712232A1
A busbar assembly for an electrical cell module is disclosed having a pair of opposing module end plates supporting an adjacent pair of cell stacks. The assembly includes a frame member having first and second engaging means to cooperatingly mount the busbar assembly, in an assembled position, to the module end plates, and a receiving portion having a series of apertures, extending between upper and lower faces. The assembly includes a plurality of busbar elements, each having a first surface and an opposing second surface, wherein each aperture of the receiving portion receivingly engages at least one busbar element with its first surface oriented towards the lower face. Each aperture includes a support portion and a retaining protrusion to cooperatingly restrict relative movement of the busbar elements between the upper lower faces of the receiving portion as the assembly is mounted to the electrical cell module in the assembled position.
Resumen de: EP4712152A1
Disclosed are positive electrodes, all-solid-state batteries, and fabrication methods thereof. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes a sulfide-based solid electrolyte, a binder that includes a first non-aqueous binder and a second non-aqueous binder, and a positive electrode active material. The first non-aqueous binder includes a fluorine-based binder. The second non-aqueous binder includes an acrylate-based binder.
Resumen de: EP4712172A1
Disclosed is a composite substrate for a rechargeable lithium battery including a support layer having a first surface and a second surface that are opposite to each other, a first metal layer on the first surface, and a second metal layer on the second surface. The support layer includes a plurality of first through parts penetrating the first surface and spaced apart from each other along a first direction, and a plurality of second through parts penetrating the second surface and spaced apart from each other along the first direction. The plurality of first through parts and the plurality of second through parts are alternately disposed along the first direction, and the first direction is substantially parallel to the first surface.
Resumen de: EP4711350A2
Methods and apparatus for fabricating separators for solid-state lithium metal batteries employ rapid thermal processing. Aspects include high temperature sintering. Temperatures, durations of heat application, and proximity of heating elements to materials undergoing sintering combine to provide separators with desirable physical characteristics, including porosity, in a batch process.
Resumen de: EP4712189A1
An ion conductive layer can include a hygroscopic ion conductive material, such as a halide-based material. In an embodiment, the ion conductive layer can include an organic material, ammonium halide, or a combination thereof.
Resumen de: EP4712303A1
A system for optimizing an operating state of a battery by using a cloud includes: a cloud unit configured to receive battery data; a first data collection unit configured to collect first data; a first data transmitter configured to transmit the first data to the cloud unit; a second data receiver configured to receive second data from the cloud unit; and a controller configured to control an operating state of a battery based on the second data and to perform any one of an update of first deterioration state information and an adjustment of a learning speed.
Resumen de: EP4712162A1
The present invention relates to a positive electrode active material for all-solid-state batteries, and a positive electrode for all-solid-state batteries and an all-solid-state battery comprising same.
Resumen de: EP4712222A1
The disclosure provides a cylindrical battery (100), a pack (1002), and an electronic device (1000). The cylindrical battery (100) includes a housing (200) having an opening (205) at one end in a height direction (Hd) of the cylindrical battery (100); an electrode assembly (120) located in the housing (200) and having a winding center hole (120c); a cover plate (220) covering the opening of the housing (200) and having an explosion-proof valve region (222) formed by being surrounded by explosion-proof valves (350). The winding center hole (120c) is located within a range of an orthogonal projection of the explosion-proof valve region (222) of the cover plate (220) in the height direction (Hd). The winding center hole (120c) has a diameter D1, a partial region of the cover plate (220) has a diameter D2, and 35%≥D1/D2≥10%.
Resumen de: EP4712184A2
An apparatus (10) for forming an electrode plate tab pattern includes a conveying portion (100) configured to convey, in a first direction, an electrode plate (20) coated with an active material, a first pattern forming portion (200) configured to form a first tab pattern (211) on the electrode plate (20), and a second pattern forming portion (300) configured to form a second tab pattern (311) on the electrode plate (20). The first tab pattern (211) and the second tab pattern (311) are configured to be spaced apart from each other by a preset first distance.
Resumen de: EP4712285A1
A power management device according to an embodiment of the present invention is a power management device for managing the power of a battery included in a transportation means, and may comprise: at least one processor; and a memory for storing at least one instruction executed through the at least one processor. The at least one instruction may include: an instruction for classifying and storing information on the charging power of the battery according to energy type; an instruction for, when a power transaction request for charging power of a specific energy type is received, determining whether to agree to the power transaction on the basis of the amount of the charging power of the specific energy type; and an instruction for checking the amount of power discharged by the battery in response to the power transaction when the power transaction is agreed to.
Resumen de: EP4712292A1
An operation support apparatus, according to an embodiment of the present invention, is an operation support apparatus for an energy storage system and may comprise at least one processor, and a memory storing at least one instruction that is executed by the at least one processor. The at least one instruction may include the instructions of: collecting information about batteries that can be applied to the energy storage system; deriving, on the basis of the structure of the energy storage system, a plurality of combinations, each including one or more batteries that can be applied to the energy storage system; calculating an operating cost of the energy storage system for each of the combinations; and generating recommended combination information including information about a combination that, among the combinations, represents the minimum operating cost.
Nº publicación: EP4712249A1 18/03/2026
Solicitante:
MEDTRONIC INC [US]
Medtronic, Inc
Resumen de: EP4712249A1
An implantable medical device, comprising: a device housing comprising a first enclosure and a second enclosure coupled to the first enclosure; a circuit board fixed within the first enclosure of the device housing and having a first terminal; a battery that has a battery housing positioned within the second disclosure of the device housing, and having a battery terminal, a battery connector (208) positioned within the second enclosure of the device housing and comprising a battery connector body (220) that is affixed directly to the device housing; and at least one electrical conductor affixed directly to the battery connector body (220), the at least one electrical conductor electrically couples the battery terminal to the first power terminal and has a pin portion that forms a conductive pin (226, 228) that extends beyond the battery connector body and electrically couples to the first power terminal, and a plate portion forming a conductive plate (222, 224) electrically coupled to the battery terminal.
BOPI
Sede Electrónica
