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1958
resultados
Última actualización
15/10/2025 [07:44:00]
Resultados 625 a 650 de 1958
Resumen de: US2025316790A1
An energy storage device includes a regulation apparatus, a cabinet, and a battery located in the cabinet. The regulation apparatus includes a first heat exchange plate, a radiator, a dehumidification component, and a valve body component. The first heat exchange plate is disposed in the cabinet and is in thermally conductive contact with the battery. The dehumidification component includes a compressor, a condenser, a first throttle, and a first evaporator that sequentially and circularly communicate with each other through a pipeline. The first evaporator is located in the cabinet and is configured to condense water vapor in the cabinet.
Resumen de: US2025316816A1
An embodiment battery pack includes a battery housing defining a receiving space, battery cells accommodated in the receiving space and arranged in a first direction, a pack cover covering first sides of the battery cells facing in a second direction crossing the first direction, a plate disposed between the battery cells, and a clamp member, wherein a partial region of the clamp member is disposed between the plate and the pack cover in the second direction and is in contact with the plate.
Resumen de: US2025316818A1
A battery module includes a cell assembly, a first component, a second component, and an insulation member. The cell assembly includes a plurality of cells, and each cell includes a cell housing and an electrode terminal, the electrode terminal extending out of the cell housing. Along a first direction, the first component is disposed on a side of the cell assembly, the electrode terminal is connected to the first component. The second component includes a base portion and an extension portion, where the base portion has an accommodating space, the first component is located in the accommodating space, and the extension portion protrudes from the base portion. At least a part of the insulation member is located in the accommodating space, and the first component and the second component are bonded and fixed through the insulation member.
Resumen de: US2025316815A1
A battery pack includes a battery cell accommodated in a housing and the housing including an attachment area recessed to provide a position on a surface of the housing where an attachment object is attached. The attachment area may include a through-portion and an engraved pattern. The through-portion may be formed to penetrate the attachment area and be in fluid communication with an inner area of the housing. The engraved pattern may be configured to provide an air flow path between the attachment object and the attachment area.
Resumen de: US2025316838A1
The present disclosure relates to a method for manufacturing a separator. The method includes: (a) producing a first sheet by extruding a first composition comprising a first polyolefin and a first pore-forming agent; (b) producing a second sheet by extruding a second composition comprising a second polyolefin and a second pore-forming agent; (c) stretching the first and second sheets respectively in a machine direction to produce a first and a second precursor films; (d) laminating the first and second precursor films to obtain a laminate; (e) stretching the laminate in a transverse direction, and removing the first and second pore-forming agents from the laminate to obtain a dual-layer support; (f) forming functional layers by coating and drying a coating composition comprising a binder and a solvent on both sides of the dual-layer support; and (g) dividing the dual-layer support into two separators along the interface formed by the lamination.
Resumen de: WO2025211783A1
The present invention relates to: a composition for modifying the surface of an electrode active material for a secondary battery, wherein the composition comprises cellulose, modified cellulose, or a mixture thereof; an electrode active material for a secondary battery, wherein the electrode active material is coated with cellulose, modified cellulose, or a mixture thereof; and a secondary battery comprising same. According to the present invention, a dry electrode can be manufactured by excluding the use of a fluorine-based binder or reducing the amount of the used fluorine-based binder, and excellent dispersibility and adhesion are achieved without using a PTFE binder conventionally used as a dry electrode binder, thereby enabling the production of a high-capacity thick film electrode.
Resumen de: WO2025211730A1
A slot die coater for an electrode according to some embodiments may comprise: n (n is an integer from 2 to 5) blocks arranged adjacent to each other; a coating core that is positioned at one of the interfaces of the blocks and has an insulating liquid discharge flow path formed therein; and a variable unit for adjusting the degree of opening of the insulating liquid discharge flow path. Some embodiments of the present invention can, while simultaneously applying an electrode slurry and the insulating liquid onto a current collector, conveniently and precisely control the thickness of the insulating liquid being applied on the current collector.
Resumen de: WO2025211493A1
The present disclosure relates to an electrode assembly taping device, and the technical task to be solved is to provide an electrode assembly taping device having improved reliability. To this end, the electrode assembly taping device of the present disclosure comprises: a frame extending in a first direction; a support member disposed on an upper portion of the frame; a guide rail coupled to one end of the frame and extending in a second direction; a tape attachment unit disposed on the guide rail and compressing tape to attach the tape to an electrode assembly; and an elastic member disposed between the tape attachment unit and the support member.
Resumen de: WO2025211497A1
The present invention relates to an all-solid-state battery, more specifically to an all-solid-state battery comprising first and second unit cells connected in series, each of the first and second unit cells comprising: a negative electrode current collector; a lithium metal layer on the negative electrode current collector; a negative electrode coating layer on the lithium metal layer; a solid electrolyte layer on the negative electrode coating layer; a positive electrode active material layer on the solid electrolyte layer; and a positive electrode current collector on the positive electrode active material layer, wherein the positive electrode active material layer contains sulfide-based positive electrode active material, the sulfide-based positive electrode active material content being 40-90 wt% with respect to 100 weight parts of the positive electrode active material layer, and the change in thicknesses of the positive electrode active material layer and lithium metal layer being complementary.
Resumen de: WO2025210986A1
Provided is a method for assembling a plate-shaped cooling device that includes a flow passage for circulating a coolant liquid, and that has greater liquid-tightness and airtightness than in the past. The method comprises: a clamping step of overlaying a first plate-shaped member (3) and a second plate-shaped member (2), and then using a clamping means to fix the first plate-shaped member and the second plate-shaped member to each other at a set of clamped regions, the set of clamped regions being two clamped regions (C) provided at the closest positions across a divided welding region (L1); and a welding step, during the clamping step, of welding the divided welding region (L1) in a state in which the clamped regions (C) are clamped.
Resumen de: WO2025211396A1
This package is composed from a laminate in which at least a base material layer, an adhesive layer, a barrier layer, and a sealant layer are laminated in this order, and covers an electric storage device. The package includes: an accommodation portion for accommodating the electric storage device by the laminate; and a sealing portion which is arranged on the outside of the accommodation portion in a direction perpendicular to the lamination direction of the laminate, the laminate being formed into a two-layer structure so that the sealant layers face each other, and in which the sealant layers are thermally fused with each other. The sealing portion has a first region and a second region in which the thickness of the sealant layer is smaller than that of the first region. An end face of the second region in the lamination direction has a shape recessed with respect to an end face of the first region in the lamination direction.
Resumen de: WO2025210882A1
Problem To provide a means capable of preventing the loss of solid electrolyte from a solid electrolyte layer and preventing the occurrence of a short circuit between a positive electrode and a negative electrode. Solution An electrode for a secondary battery is provided with: a current collector foil 11; an electrode active material layer 12 arranged on a surface of the collector foil 11 and containing electrode active material; a solid electrolyte layer 13 containing solid electrolyte, covering the electrode active material layer 12, and having an end part in contact with the collector foil 11; and a protection part 14 arranged at a part where the end part and the current collector foil 11 are in contact with each other, and having elasticity. A cross section of the protection part in the stack direction has a tapered shape that widens toward the current collector foil, and an outer peripheral end of the protection part coincides with an outer peripheral end of the current collector foil in a plan view.
Resumen de: WO2025211064A1
Provided is a positive electrode active material that exhibits an enhanced performance. The positive electrode active material is formed by the aggregation of a plurality of primary particles each having a disordered rock salt structure and being represented by formula (1). The plurality of primary particles have a particle diameter of at least 3 nm and not more than 10 nm as determined using the Scherrer equation from the X-ray diffraction spectrum yielded by an X-ray diffraction method. The difference between the particle diameter of a plurality of primary particles as determined using the Scherrer equation from the X-ray diffraction spectrum yielded by an X-ray diffraction method, and the particle diameter of a plurality of primary particles as determined from the TEM image, is equal to or greater than 0 nm and not more than 2 nm. (1) LiaMbX1-bOc (where M includes at least one of nickel (Ni), cobalt (Co), manganese (Mn), and iron (Fe); X is at least one of phosphorus (P), boron (B), sulfur (S), and carbon (C); and the following are satisfied: 0 < a ≤ 2, 0.67 ≤ b < 1, and 1 < c ≤ 3.)
Resumen de: WO2025210874A1
In order to block current at a desired location, the present invention comprises: a battery module (11) that includes a plurality of stacked battery cells (2); a pressurization mechanism (18) that pressurizes a pressurization region (R) of the battery module (11); a pair of conductive members (3, 3) that are provided in the pressurization region (R), are electrically connected to terminals (22, 23) of the battery cell (2) or the terminals of the battery module (11), and are capable of moving into contact with or away from each other; and a controller (12) that controls the pressurization of the pressurization mechanism (18). The controller (12) removes the pressurization of the pressurization mechanism (18) when a predetermined abnormality is detected.
Resumen de: WO2025211051A1
Provided is a positive electrode active material having more advanced performance. The positive electrode active material is formed by aggregating a plurality of primary particles each having an irregular array rock salt type structure represented by formula (1). Formula (1): LiaMbX1-bOc (where M is nickel (Ni) or contains nickel (Ni) and one of cobalt (Co), manganese (Mn), and iron (Fe); X is at least one of phosphorus (P), sulfur (S), and carbon (C); 1.1 ≤ a ≤ 2 is satisfied; 0.5 ≤ b ≤ 1.0 is satisfied; and a − 0.5 ≤ c ≤ a + 0.9 is satisfied.)
Resumen de: WO2025211083A1
The present invention addresses the problem of providing a lithium metal battery capable of obtaining preferable battery characteristics by having an intermediate layer disposed between a solid electrolyte layer and a negative electrode layer. One embodiment that solves said problem is a lithium metal battery having a structure in which a negative electrode layer containing metallic lithium, an intermediate layer, a solid electrolyte layer, and a positive electrode layer are laminated in the stated order. The yield contact pressure of the intermediate layer is 5.0 MPa or less.
Resumen de: WO2025210643A1
The present disclosure provides a process for preparing an electrode fdm, the process comprising: first calendering through a first set of rollers (101) to obtain a first film and second calendering the first film through a second set of rollers (102) to obtain an electrode film, wherein the electrode film has a porosity in a range of 17 to 22% and a density in a range of 1.7 to 3.9 g/cc. The present disclosure further provides an electrode film obtained by the process as disclosed herein, an electrode comprising the electrode film as disclosed herein, a method of preparing the electrode as disclosed herein, a first electrochemical cell comprising the electrode as disclosed herein, and a use of the electrode film, electrode and electrochemical cell as disclosed herein.
Resumen de: WO2025210698A1
A battery module 1 includes: a battery laminate 10 including a plurality of battery cells 11 electrically connected in series and laminated on each other; and a holding member holding the plurality of battery cells 11 from a side surface of the battery laminate 10 and formed of an electroconductive material. The holding member is an electroconductive member extending along the direction in which the plurality of battery cells 11 are laminated, and has a side wall part 430 covering at least a part of a side surface of the battery laminate 10 close to the bottom surface of the battery laminate. The side wall part 430 includes a first side wall portion in which the distance between the side wall part 430 and the battery laminate 10 is a first distance, and a second side wall portion in which the distance between the side wall part 430 and the battery laminate is a second distance which is longer than the first distance.
Resumen de: WO2025210492A1
Systems and methods for operating heterogenous battery packs in parallel Embodiments herein disclose methods and systems for minimizing current distribution variation and mitigation of unnecessary circular currents arising due to heterogeneous batteries (wherein the heterogeneity can be in terms of, but not limited to, makes, chemistries, characteristics, and so on) operated in a parallel connection. Embodiments herein disclose methods and systems for optimizing current distribution and matching Direct Current Internal Resistance (DCIR), and voltage characteristics in a multi-battery parallel operation using one or more compensation, and control methods.
Resumen de: WO2025210443A1
The present invention relates to a method for recovery of metals from cathode material of spent lithium titanium oxide battery. The present invention provides a simple, easy to operate, environment friendly and commercially feasible method for recovery of metals from cathode material of spent lithium titanium oxide (TTO) battery that recovers metals with high purity. The method of the present invention involves recovery of metals from cathode material of the spent battery by processes of roasting, sonication, filtration, leaching, precipitation and electrolysis. The method recovers 97-98% of cobalt and manganese with % purity ranging from 98.5% to 99%.
Resumen de: WO2025210665A1
A battery module (100) comprising a plurality of cells (201) electrically connected in at least one of a series connection and a parallel connection is disclosed. The battery module (100) comprises a casing (103) comprising four walls (103a, 103b, 103c, 103d) for enclosing the plurality of cells (201) 5 on four sides, a front end cover (101) and a rear end cover (104) enclosing the plurality of cells (201) in the casing (103), in a front side (103e) and a rear side (103f) of the casing (103), a first sealant member (808) positioned between the front end cover (101) and the front side (103e) of the casing (103), and a second sealant member (901) positioned between the rear end 10 cover (104) and the rear side (103f) of the casing (103).
Resumen de: WO2025209426A1
The embodiments of the present application relate to the technical field of energy storage cabinets, and in particular to a heat dissipation device and an energy storage cabinet. The heat dissipation device comprises an air guide member and a heat dissipation member, wherein the air guide member is provided with an air guide channel, and an air guide air inlet and an air guide air outlet which are respectively in communication with the air guide channel; and the heat dissipation member is provided with a cooling air channel, and a cooling air inlet and a cooling air outlet which are respectively in communication with the cooling air channel, the cooling air inlet being in communication with the air guide air outlets. In the heat dissipation device provided in the present application, an inherent cooling air channel is independent of an original energy storage cabinet, such that the number of heat dissipation members can be increased or decreased according to the actual number of battery columns, that is, the heat dissipation channel can be adaptively adjusted according to the actual number of battery columns, and air guide members are reasonably allocated to the heat dissipation members, such that each battery column can be properly cooled, thereby greatly improving the cooling effect, and further facilitating an improvement in the heat management efficiency; and the device has a simple structure and low costs.
Resumen de: WO2025209584A1
The present application relates to the technical field of batteries. Disclosed are a manufacturing method for a composite current collector electrode sheet and an evaluation method for a composite current collector electrode sheet. During the manufacturing of an electrode sheet, two negative-electrode metal foil current collector tabs are welded to two sides of a tab of a composite negative-electrode current collector body by means of ultrasonic waves, wherein the welding amplitude ranges between 90% and 100%, and the welding pressure is within 0.5 MPa-1 MPa; and two positive-electrode metal foil current collector tabs are welded to two sides of a tab of a composite positive-electrode current collector body by means of ultrasonic waves, so as to form a composite positive-electrode current collector electrode sheet, wherein the welding amplitude ranges between 30% and 35%, and the welding pressure is within 0.3 MPa-0.8 MPa. By controlling the welding amplitude and the welding pressure, the tensile strength of a welded composite current collector electrode sheet in a welding mark area can be ensured; in addition, the resistance of the welding mark area can be controlled to be within an appropriate range, so as to ensure that the composite current collector electrode sheet has good electrical conduction performance and current collection performance, thereby improving the cycle performance and rate performance of a battery.
Resumen de: WO2025209475A1
Disclosed in the present application are a conductive pillar, a cover plate assembly, a battery, a battery device and an electrical apparatus. The conductive pillar is electrically connected between a battery cell and a conductive terminal, and comprises a first section and a second section which are connected to each other, wherein the first section is configured to be electrically connected to the battery cell, the second section is configured to extend into a through hole of the conductive terminal, an inner hole is provided in an end surface of the second section away from the first section, and the second section is configured to be folded in the direction away from the center of the inner hole and make contact with an inner wall of the through hole for conduction; and the wall thickness of the through hole of the conductive terminal in a first direction is smaller than the wall thickness in a second direction, the wall thickness of the inner hole of the second section in the first direction is smaller than the wall thickness in the second direction, and the two directions are each perpendicular to an axial direction of the through hole. In the conductive pillar of the present application, the inner hole with the relatively thin wall thickness in the first direction is provided, to reduce the influence of the wall thickness of the inner hole on the wall thickness of the through hole, thereby reducing the influence of the folding force of the second section in the directi
Nº publicación: WO2025209287A1 09/10/2025
Solicitante:
HUAWEI TECH CO LTD [CN]
\u534E\u4E3A\u6280\u672F\u6709\u9650\u516C\u53F8
Resumen de: WO2025209287A1
The present application provides a charging power management system and method, an electronic device, and a storage medium. A first charging port of a charging device is connected to a first electronic device, a second charging port of the charging device is connected to a second electronic device, the maximum charging power of the first charging port is a first charging power, the maximum charging power of the second charging port is a second charging power, and the sum of the first charging power and the second charging power is less than or equal to the maximum charging power of the charging device. The method comprises: the charging device acquires a third charging power of the first charging port, wherein the third charging power is different from the first charging power, and the third charging power is obtained on the basis of the maximum charging power of the first electronic device or the real-time charging power of the first charging port; and the charging device sets the maximum charging power of the first charging port to be the third charging power, wherein the third charging power is less than the maximum charging power of the charging device. The utilization rate of the charging power of the charging device is increased.
BOPI
Sede Electrónica
