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1394
results.
Updated on
23/12/2025 [07:13:00]
Results 175 to 200 of 1394
Absstract of: US2025385383A1
A battery pack includes a plurality of battery modules; and a pack case accommodating the plurality of battery modules, where the pack case includes a pack tray including an internal space in which the battery modules are received and an open top; and a pack cover covering the top of the pack tray, coupled to the pack tray, and including a gas venting path disposed therein, the gas venting path communicating with the battery modules.
Absstract of: US2025385362A1
An electrical energy store for a motor vehicle has storage cells designed to store electrical energy, which are arranged in a store housing which has a base having an upper base element and a lower base element, wherein the separately formed base elements can be detached from one another in a non-destructive manner, at least with respect to the base elements.
Absstract of: US2025385380A1
In a power storage device, a smoke exhaust valve is disposed in a smoke exhaust space through which gas discharged from a gas exhaust valve of a power storage cell flows. A housing includes a bottom portion, a side wall portion extending upward from an outer peripheral edge of the bottom portion, and a protruding portion protruding from the side wall portion. The smoke exhaust valve is provided in the protruding portion and is disposed above a lower surface of the power storage cell.
Absstract of: US2025385384A1
A power storage device includes at least one power storage cell, a top wall provided over the power storage cell, a facing wall facing the power storage cell in a width direction, a support portion supporting the power storage cell, and a bottom plate disposed under the power storage cell. The bottom plate includes a connecting surface formed so as to be flat. At least one of the facing wall and the support portion includes a bottom surface formed in a position closest to the connecting surface of the bottom plate and formed so as to be flat. The connecting surface of the bottom plate is connected to the bottom surface.
Absstract of: US2025385387A1
A composite separator and a preparation method therefor, as well as a lithium-sulfur battery containing the composite separator are provided. The composite separator has a polymer substrate film and a composite layer disposed on the surface of the polymer substrate film. The composite layer includes a molecular sieve and a conductive carbon material. The molecular sieve contains cobalt and optionally lithium.
Absstract of: US2025385369A1
A battery pack includes enclosure plates, a liquid cooling plate and battery cells. The battery cells are mounted on the liquid cooling plate, the enclosure plates surround the liquid cooling plate and the battery cells, and the liquid cooling plate is connected to the enclosure plates; an accommodating cavity is provided between the enclosure plates and the battery cells; the liquid cooling plate is connected with an outlet pipe and an inlet pipe, and the outlet pipe and the inlet pipe are both located in the accommodating cavity; a top surface and a bottom surface of an enclosure plate are each provided with a connecting component.
Absstract of: US2025385364A1
Provided are a battery module and a battery pack. The battery module includes an end panel assembly, including an end panel body and a floating connection assembly, wherein the floating connection assembly is slidably connected to the end panel body; an electrical structure, wherein a part of the electrical structure is connected to a first area of a first panel, and the other part of the electrical structure is connected to a second area of the first panel; and a cell, disposed on one side close to the second panel. When the cell is in an expanded status, the first area of the end panel body moves away from the cell relative to the second area, the floating connection assembly moves away from the cell relative to the end panel body, so that the electrical structure as a whole moves with the first area of the end panel body.
Absstract of: US2025385349A1
The disclosure relates to a protective cover for protecting a battery cell top surface of a battery cell, comprising a main protective wall and a side wall protruding downwardly from the main protective wall and extending around an outer perimeter of the main protective wall such that an inner surface of the side wall and the bottom surface of the main protective wall defines a space with a height corresponding to a height of the side wall. The disclosure also relates to a cover assembly, a battery cell assembly, and a vehicle.
Absstract of: WO2025255980A1
Disclosed in the present application are a casing manufacturing method for a battery cell, the battery cell, a battery and an electric device. The casing manufacturing method for the battery cell comprises: using a first punch to stamp a material sheet, such that the material sheet forms an accommodating cavity having an opening; and removing waste material from the material sheet at the opening of the accommodating cavity, wherein the material sheet after the waste material is removed comprises a first side wall and a second side wall arranged adjacent to each other, the first side wall being arranged opposite the opening of the accommodating cavity, and a first arc-shaped portion being connected between the first side wall and the second side wall. The casing manufacturing method for the battery cell further comprises: using a second punch to stamp the material sheet, so as to form a clearance groove on the side of the first arc-shaped portion facing the accommodating cavity.
Absstract of: WO2025255890A1
The present application relates to the technical field of batteries. Disclosed are a tab welding structure and a battery. The tab welding structure comprises: a wound body (100), which comprises an electrode sheet and a full-tab (110), wherein the full-tab (110) is electrically connected to the electrode sheet, and the full-tab (110) is located at one end of the wound body (100); and a current collecting member (300), which is welded to the full-tab (110) to form a plurality of welding spot groups (200), wherein the plurality of welding spot groups (200) are radially distributed around the center of the wound body (100), and a plurality of welding spots (211) in each of the welding spot groups (200) are arranged in a wavy shape in the radial direction of the wound body (100). The welding structure can improve the uniformity of current conduction of the wound body (100), thereby reducing current loss.
Absstract of: WO2025255953A1
The present application relates to a battery and an electrical device. The battery comprises: a plurality of battery cells, the plurality of battery cells being arranged in rows and columns along a first direction and a second direction intersecting one another, and a first gap channel being formed between two adjacent columns of battery cells along the first direction; and a pressing strip, comprising a first adhesive blocking portion and an opening portion, wherein the first adhesive blocking portion is connected to surfaces of the two adjacent columns of battery cells facing a third direction and at least covers the first gap channel, and in a projection plane perpendicular to the third direction, the projection of the opening portion in the third direction is offset from the projection of the first gap channel. The opening portion is connected to the surfaces of the battery cells facing the third direction by means of adhesive. The first direction, the second direction, and the third direction are perpendicular in pairs. The battery of the present application can effectively reduce the probability of adhesive overflowing into a gap between two adjacent battery cells, thereby effectively improving battery yield.
Absstract of: WO2025258158A1
A cutting device (10) comprises: a drum-like member (13) having a cylindrical outer shell part (17) in which a slit hole (15) is formed along a drum axial direction (A11); a suction holding means (51) for suctioning and holding a sheet-like member (11) continuously fed from the outside on the surface (sheet suction surface (17a)) of the outer shell part; a rotation mechanism (52) for rotating the outer shell part of the drum-like member in the circumferential direction (rotation direction (A12)); a cutting blade (16) that moves along the slit hole; and a reciprocating motion mechanism (53) for reciprocating the cutting blade in the drum axial direction.
Absstract of: WO2025258157A1
Provided is a battery state detection device capable of more appropriately detecting the state of a secondary battery. This battery state detection device comprises: a reference waveform generation unit that constitutes a circuit including a secondary battery, that detects the state of the secondary battery, and that generates a reference waveform; an application waveform output unit that outputs an application waveform to be applied to the secondary battery on the basis of the reference waveform and that performs feedback correction on the phase difference between the reference waveform and the application waveform; a detection unit that, in a state in which the application waveform has been applied, detects an output signal waveform output from the secondary battery; and an index value acquisition unit that, on the basis of the detection result of the detection unit, acquires an index value indicating the scale of fluctuation occurring in the output signal waveform.
Absstract of: WO2025258004A1
According to the present invention, a rechargeable battery, a method for manufacturing the rechargeable battery, and a method for manufacturing an electrode for the rechargeable battery are provided with: a step for forming electrode slurry that includes an electrode active material, amorphous carbon or a carbon fiber, a thickener, and a binder; a step for applying the electrode slurry to a substrate and then drying the same, thereby forming an electrode coating film on the surface of the substrate; and a step for superposing the substrate having the electrode coating film formed on the surface thereof onto one surface of perforated metal foil including a plurality of through-holes, and then applying a pressure thereto, thereby transferring the electrode coating film to the perforated metal foil.
Absstract of: US2025385345A1
In the present disclosure, a method, an apparatus, and a system for collecting carbon using a fuel cell principle are disclosed. More specifically, the carbon capture device may comprise an air cartridge in which a gas including a carbon component is introduced; a fuel cartridge in which a fuel is injected; a fuel cell stack; a fuel supply line for supplying the fuel between the fuel cartridge and the fuel cell stack; and a controller, wherein the fuel cell stack may include: an anode unit including a fuel electrode for performing an oxidation reaction of the fuel supplied from the fuel supply line; a cathode unit including an air electrode for performing a reduction reaction of the gas introduced from the air cartridge; and an electrolyte unit including an electrolyte for transferring metal ions generated by the oxidation reaction of the fuel between the anode unit and the cathode unit.
Absstract of: US2025385319A1
A secondary battery includes an electrode assembly configured to have a wound structure including a first electrode, a second electrode and a separator between the first electrode and the second electrode; a case having an open area in a first side thereof, the open area being configured to accommodate the electrode assembly; and a cap assembly coupled to the first side of the case and configured to close the open area, wherein the cap assembly includes a cap plate seated in and coupled to the open area of the case and having a through-hole; and a terminal plate including a body and an insertion portion extending through the through-hole of the cap plate, and wherein the first electrode includes an electrode tab having a first end connected to the terminal plate.
Absstract of: US2025385339A1
Aspects of this disclosure relate to a system for energy storage with integrated heating. The system can include a battery cell. The system can include a battery management board assembly coupled to the battery cell. The battery management board assembly can include a printed circuit board, an integrated circuit coupled to the printed circuit board and configured to monitor the battery cell, and an integrated heating element integrated with the printed circuit board and configured to heat the battery cell.
Absstract of: US2025385329A1
A battery module includes a battery stack including a plurality of batteries stacked along a first axis, and a sensing module coupled to a side of the battery stack. The sensing module may include a substrate part provided above the battery stack, and a temperature sensing part connected to a side of the substrate part and having a side provided to be in contact with the battery stack.
Absstract of: US2025385332A1
Embodiments described herein relate to methods of recycling battery waste. In some aspects, a method can include applying a first heat treatment at a temperature of between about 100° C. and about 700° C. to the battery waste, the first heat treatment decomposing at least about 80 wt % of the binder, separating the electrode material from the current collector, and applying a second heat treatment at a temperature between about 400° C. and about 1,200° C. to the electrode material to produce a regenerated electrode material, the second heat treatment decomposing at least 90 wt % of binder remaining in the electrode material to produce a regenerated electrode material. In some embodiments, the method can include applying a surface treatment to the electrode material to remove surface coatings and/or surface impurities from the electrode material. In some embodiments, the surface treatment can include applying a solvent to the electrode material.
Absstract of: WO2025256018A1
A composite film for a current collector, a preparation method therefor, and the use thereof. The composite film comprises a base film (B) and a polyimide layer (A) provided on at least one surface of the base film (B). The base film (B) comprises a base film (B) hydrophilically modified by a modification compound, the molecular structure of the modification compound containing a carbon-carbon double bond and a functional group, and the functional group comprising at least one of an anhydride group, a carboxyl group, a hydroxyl group, an amide group, or an ester group; the polyimide layer is prepared by an aqueous phase monomer and an organic phase monomer undergoing an interfacial polymerization reaction on the surface of the base film. The composite film has excellent heat resistance and mechanical properties, exhibits high adhesion to metal conductive layers, so as to prevent metal conductive layers in composite current collectors from peeling off, and in addition, is not prone to film breakage during the preparation process , thus achieving high yield and low cost.
Absstract of: WO2025255963A1
A coated lithium manganese iron phosphate material, and a preparation method therefor and the use thereof. The preparation method comprises the following steps: mixing and drying a phosphorus source, a lithium source, a manganese source, an iron source, a solvent, an organic amine and an organic carbon source, so as to obtain a precursor, wherein the organic amine comprises an amino group, and the organic carbon source comprises a hydroxyl group; and calcining the precursor, so as to obtain the coated lithium manganese iron phosphate material. By means of in-situ coating used in the preparation method, not only can in-situ doping of both carbon and nitrogen be achieved, but a carbon-nitrogen-coated network having high conductivity can also be formed, thereby overcoming the problems of poor intrinsic conductivity for both electrons and lithium ions, a low capacity retention rate during long-term cycling, etc., of lithium iron manganese phosphate materials.
Absstract of: WO2025255951A1
A cover closing mechanism, an encapsulation auxiliary device, a battery encapsulation apparatus, and a battery production system. The cover closing mechanism uses a first driver (15) to drive a first folding member (11) and a second folding member (12) to rotate and fold relative to each other, thus enabling a packaging film located between the first folding member and the second folding member to finish folding in half. Since a rotating assembly (30) can drive an entire cover closing assembly to rotate around a first axis (153), and the direction of the first axis is consistent with the stacking direction between the first folding member and the second folding member, after the folding in half is finished, under the action of the rotating assembly, the folded first folding member and second folding member can rotate around their own stacking direction, so that the orientations of different sides of the packaging film can be changed, thereby facilitating sealing operations on different sides on the cover closing mechanism while eliminating the need to transfer to other devices, improving the integration of the apparatus and the encapsulation efficiency.
Absstract of: WO2025257971A1
Provided is a battery control method for an all-solid-state battery (10) comprising: a battery cell (11) in which a positive electrode body (111), a solid electrolyte layer (112), and a negative electrode body (113) are laminated in the Z direction; a pair of restraint plates (14) that have a battery main part (13) for alternately laminating elastic bodies 12 in the Z direction, and sandwich the battery main part (13) from the Z direction; and a plurality of fastening members (15) that fasten the pair of restraint plates (14) to each other. Among the plurality of fastening members (15), a strain gauge (16) that measures the strain of the fastening member (15) is provided to at least two or more different fastening members (15), and the in-plane distribution of the pressure applied to the battery main part (13) is measured on the basis of the difference between the measurement signals output from at least two or more strain gauges (16).
Absstract of: WO2025256664A1
A battery pack and a battery pack manufacturing method. The battery pack comprises cooling plate assemblies (200), and a plurality of battery cell modules (10), which are stacked from top to bottom, wherein the cooling plate assembly (200) is provided between two adjacent cell modules (10), and each cooling plate assembly (200) comprises a first cooling plate (210) and a second cooling plate (220), the first cooling plate (210) supporting the bottom of the battery cell module (10) of the corresponding two adjacent battery cell modules (10) located above, and the second cooling plate (220) covering the top of the battery cell module (10) of the corresponding two adjacent battery cell modules (10) located below; and the mechanical strength of the first cooling plates (210) is greater than the mechanical strength of the second cooling plates (220).
Nº publicación: WO2025256656A1 18/12/2025
Applicant:
SHAOXING SANHUA AUTOMOTIVE THERMAL MANAGEMENT TECH CO LTD [CN]
\u7ECD\u5174\u4E09\u82B1\u6C7D\u8F66\u70ED\u7BA1\u7406\u79D1\u6280\u6709\u9650\u516C\u53F8
Absstract of: WO2025256656A1
A cooling plate, comprising at least two stacked pressure plates, at least one branch flow channel being provided between adjacent pressure plates; the branch flow channel has an inlet and an outlet, and the inlet and the outlet are located on a same side of the cooling plate; the side of the branch flow channel having the inlet is defined as an inlet side, and the other side of the branch flow channel is defined as a return side; the branch flow channel comprises an inlet flow channel and a return flow channel, the inlet flow channel has an inlet, the return flow channel has an outlet, and the inlet flow channel and the return flow channel are in communication at the return side; and a wall forming the branch flow channel is located between the adjacent pressure plates, at least one pressure plate is partially stamped, and the wall forming the branch flow channel is formed by stamping. The cooling plate as a whole exhibits good thermal uniformity. In addition, in the present application, a pressure plate structure having branch flow channel walls is formed by means of a stamping process, so that the structure is easy to implement in mechanized and automated production, facilitating the improvement of production efficiency.
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