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965
resultados
Última actualización
01/09/2025 [07:09:00]
Resultados 725 a 750 de 965
Resumen de: WO2025173960A1
A battery module according to an embodiment of the present invention includes: a battery cell stack in which a plurality of battery cells are stacked; and at least one cooling member disposed on at least one of both side surfaces of the battery cell stack or between the plurality of battery cells. The cooling member includes: a cooling channel that is a space in which a refrigerant flows inside the cooling member; and an air gap which is an empty space separated from the cooling channel.
Resumen de: WO2025173948A1
A battery container is disclosed. A battery container according to one embodiment of the present invention may comprise: a case including a front panel having an opening and providing a space therein; a plurality of battery cells located inside the case; and a cover for opening and closing the opening.
Resumen de: WO2025173943A1
A vehicle device according to one embodiment of the present invention comprises a battery pack and a tank. The battery pack includes: a plurality of battery cells; a pack frame on which the battery cells are directly mounted or on which the battery cells are mounted while accommodated in a module frame; and a pack cover for covering the pack frame. The tank includes: cooling water or fire-extinguishing water; a tank outlet from which the cooling water or fire-extinguishing water is discharged; and a sealing layer provided at one side on which the tank outlet is arranged.
Resumen de: WO2025173827A1
An electrode assembly and a rechargeable battery including same are disclosed. The electrode assembly according to one embodiment comprises a first electrode plate, a second electrode plate, a separator interposed between the first electrode plate and the second electrode plate, and a first reinforcing member provided on the outer surface of the outermost one from among the first electrode plate and the second electrode plate, wherein the first reinforcing member is a metal plate.
Resumen de: WO2025173824A1
The present invention relates to an all-solid-state battery manufacturing apparatus and all-solid-state battery manufacturing method including same. More specifically, the all-solid-state battery manufacturing apparatus may include an electrode stack unit, a monocell transfer unit, and a cell stack unit, wherein: the electrode stack unit is configured to form a monocell by sequentially stacking a first electrode sheet and a second electrode sheet; and the monocell transfer unit is configured to transfer the monocell to a cell stack unit. The electrode stack unit may include: a first stack table including a first stage and a first rotation unit; a first input unit adjacent to the first location; and a second input unit adjacent to the second location. The electrode stack unit may further include a rotary transfer unit and a pressing unit.
Resumen de: WO2025173817A1
The present invention relates to a cylindrical secondary battery having a folded portion provided in an opening of a case to prevent a welding portion from breaking due to swelling of the case during welding to a cap plate. As an example, disclosed in the present invention is a secondary battery comprising: an electrode assembly; a case that accommodates the electrode assembly through a space of which a portion is open; and a cap plate that seals the space of the case, wherein a folded portion is formed in the case by being folded along at least one area, and the cap plate may be coupled to the folded portion.
Resumen de: WO2025173814A1
An embodiment of the present invention relates to a secondary battery, and a technical problem is to be solved by providing a secondary battery that increases the weldability of a can and can prevent the can from melting when an event occurs. To this end, the present invention provides the secondary battery comprising: an electrode assembly including a first electrode plate, a second electrode plate and a separator interposed between the first electrode plate and the second electrode plate; a can of which both ends are open and which accommodates the electrode assembly; a first side plate for sealing one open end of the can; and a second side plate for sealing the other open end of the can, wherein the can includes a first metal and a second metal formed on the outer surface of the first metal, the first metal being exposed and formed at both ends to which the first side plate and the second side plate are coupled.
Resumen de: WO2025173764A1
Provided is a method for manufacturing a laminate with which the ratio of a base material to the total volume of the laminate is reduced. This method for manufacturing a laminate of material layers comprises: a step for arranging a plurality of particles on an adhesion surface of a first base material having the adhesion surface; a step for filling a binder, which is peelable from the adhesion surface, between the plurality of particles arranged on the adhesion surface so as to obtain a material layer which is an integrated object of the particles and the binder; and a step for peeling the material layer from the adhesion surface and laminating a plurality of the material layers so as to obtain a laminate of the material layers.
Resumen de: WO2025173822A1
The present invention relates to a gasket structure and a method for manufacturing an all-solid-state batteries using same. More specifically, the gasket structure comprises: a protective film; an adhesive layer disposed on the protective film and comprising first openings; a gasket disposed on the adhesive layer and comprising second openings; and a carrier film disposed on the gasket. The gasket comprises: a first area extending in a first direction and comprising the second openings; and a second area located side by side in the first direction on one side of the first area, wherein a first width of the second area in the first direction is greater than half of a second width of the second openings in the first direction.
Resumen de: WO2025173736A1
Disclosed is a method for producing a material layer which is easy to recycle and is not susceptible to the occurrence of transfer failure. This method for producing a material layer includes: a first particle arrangement step for arranging first particles on a first adhesion surface of a first base material that has the first adhesion surface; a second particle arrangement step for arranging second particles on parts of the first adhesion surface where the first particles are not arranged; and a transfer step for transferring the first particles and the second particles, which are arranged on the first base material, to a second adhesion surface of a second base material that has the second adhesion surface so as to obtain the material layer.
Resumen de: WO2025173754A1
The present invention pertains to a battery that includes a positive electrode, a negative electrode, and an electrolyte solution, wherein: the negative electrode contains a metal material that serves as an active material and carbon nanotubes; the electrolyte solution contains an electrolyte, a nonaqueous solvent, and a specific compound; and the specific compound includes, for example, a compound (A) that is represented by general formula (A), and the like. (In the general formula (A), MA m+ is an m-valent cation, RA1 is a fluorine atom or an alkoxy group, and Am is an integer of 1 to 2.)
Resumen de: WO2025173740A1
Provided is a fire-spread prevention sheet capable of preventing the spread of fire in products such as a product comprising a lithium-ion battery. This fire-spread prevention sheet comprises: an inorganic fiber-molded body having a softening point temperature of 1000°C or more and a thermal conductivity of 0.5 W/m･K or less at 1000°C; and an inorganic fiber woven fabric covering the entirety of the inorganic fiber-molded body. The inorganic fiber woven fabric preferably comprise glass fibers, and the basis weight thereof is preferably 100 g/m2 or more.
Resumen de: WO2025173026A1
Embodiments of the present disclosure generally relate to battery management systems, and more particularly relate to a battery regeneration system for optimizing de-sulfation of a lead- acid type storage battery and method thereof The battery regeneration system (100) includes sensors (102), a processor (108), and a memory unit (110). The sensors determine battery parameters during charging and discharging cycles. The processor analyzes the parameters to assess sulphation severity and conductive medium levels in lead-acid battery (104). Using AI- based techniques, processor selects very high-frequency cross-pulsing technique for de- sulfation. The system generates pulse sequence data with adjustable frequency and amplitude, transmitting it to control unit (114) for de-sulfation. Periodically, pulse frequency and amplitude are adjusted within predefined ranges. The control unit receives and applies modified data to lead-acid battery, charging battery to its original condition after de-sulfation. The system also communicates conductive medium level to Battery Monitoring System (BMS) (118).
Resumen de: WO2025173027A1
A method for synthesizing a high energy density cathode material for lithium-ion batteries are disclosed. The method includes obtaining a solution comprising a ferrous salt, a manganese salt, and a source of carboxylic acid in de-ionized water. Thereafter, a source of phosphate and a source of lithium are added to form a precursor solution. Thereafter, source of glycol is added to the precursor solution. Once the source of glycol is added, a hydrothermal synthesis process of the precursor solution is performed at a predetermined temperature for a predetermined period to crystallize plurality of LMFP primary particles into secondary particles. The secondary particles possess a spherical morphology, contributing to a high tap density and high energy density of the cathode material.
Resumen de: WO2025173426A1
A power storage element according to one aspect of the present invention has a laminate structure provided with a positive electrode base material, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode base material in the stated order, and comprises a negative electrode tab connected to the negative electrode base material. The negative electrode active material layer contains at least one negative electrode active material selected from the group consisting of metallic lithium and substances alloyed with elemental lithium. An electrically insulating inorganic member is arranged on a side surface at a portion where the positive electrode active material layer faces the negative electrode active material layer with the solid electrolyte layer interposed therebetween, among the side surfaces of the positive electrode active material layer. The positive electrode active material layer and the electrically insulating inorganic member are both laminated on the same surface of the positive electrode base material. A portion where the electrically insulating inorganic member and the negative electrode tab overlap is present when viewed in the lamination direction. The overlapping portion is provided with a fixing member that covers at least part of the negative electrode tab, thereby fixing the negative electrode tab.
Resumen de: WO2025173451A1
This estimation method involves: acquiring measurement data including the voltage of a power storage element and the current flowing in the power storage element; estimating, on the basis of the acquired measurement data and by applying a state estimator, a parameter related to a polarization component of an equivalent circuit model including an RC parallel circuit; and estimating the voltage of a polarization component of the power storage element at a specific time point by using the estimated parameter.
Resumen de: WO2025173410A1
Provided is a cooling heat exchanger, which has a new structure and is capable of more efficiently exhibiting cooling performance. A cooling heat exchanger 10 has formed therein a cooling flow passage 36, through which a cooling heat medium flows, and cools a cooling target 52 superposed on a cooling surface 16. The cooling flow passage 36 is composed of a plurality of flow passage parts 40 extending adjoiningly in parallel, and is provided with a parallel flow passage part 38 in which the heat medium-flowing directions in the flow passage parts 40 are the same. A plurality of projections 42 which disturb the flowing of the heat medium are formed in the parallel flow passage part 38. Regions in which the actions of disturbing the flowing of the heat medium by the projections 42 are different from each other are set in the parallel flow passage part 38.
Resumen de: WO2025171742A1
A thermal management system, a battery pack, and a vehicle. The thermal management system comprises a liquid intake manifold (10), a liquid output manifold (20) and at least two liquid-cooling plates (30), wherein a main liquid inlet (11) and at least two liquid inlets (121) are spaced apart on the liquid intake manifold (10) in sequence; a main liquid outlet (21) and at least two liquid outlets (221) are spaced apart on the liquid output manifold (20) in sequence; and the at least two liquid-cooling plates (30) are spaced apart in a preset direction, and the liquid inlets (121), the liquid-cooling plates (30) and the liquid outlets (221) correspond to each other on a one-to-one basis and are in communication with each other in sequence. The thermal management system comprises at least one of the following configurations: the cross-sectional area of the liquid inlet (121) close to the main liquid inlet (11) is smaller than the cross-sectional area of the liquid inlet (121) away from the main liquid inlet (11); alternatively, the liquid flow space of the liquid-cooling plate (30) close to the main liquid inlet (11) is smaller than the liquid flow space of the liquid-cooling plate (30) away from the main liquid inlet (11).
Resumen de: WO2025171695A1
A die-cutting machine (10), comprising an unwinding mechanism (11), a cutting mechanism (12), a visual detection system (13) and a winding mechanism (14), which are sequentially arranged in a conveying direction of an electrode sheet, wherein the visual detection system is used for collecting an image of the current electrode sheet that has been cut, and the cutting mechanism is used for cutting the next electrode sheet in a first marking mode when a detection result of the current electrode sheet indicates that the current electrode sheet has a defect, the detection result of the current electrode sheet is determined on the basis of the image of the current electrode sheet, a cutting position corresponding to the next electrode sheet is used as an end position of the current battery electrode sheet section and a starting position of the next battery electrode sheet section, and the length between the starting position of the next battery electrode sheet section and a starting position of the current battery electrode sheet section is less than the length of one battery electrode sheet section. Further provided is a die-cutting method. The die-cutting machine shortens the length of an electrode sheet that does not meet standards, reduces the possibility of electrode sheet waste, and achieves the aim of saving on electrode sheets, thereby reducing the manufacturing cost of batteries, and improving the productivity of the device.
Resumen de: WO2025171717A1
A battery cell (20), a battery (100), an electric device, and an energy storage device. The battery cell (20) comprises a casing (21), and the casing (21) comprises a casing body (211). The casing body (211) comprises a first wall (24), a second wall (25), and a third wall (26); the first wall (24) and the second wall (25) are arranged opposite to each other in a first direction (X); the third wall (26) comprises a first sub-wall (261) and a second sub-wall (262) sequentially distributed in the first direction (X); the first sub-wall (261) and the second sub-wall (262) are respectively connected to the ends of the first wall (24) and the second wall (25) on the same side in a second direction (Y); and the first direction (X) is perpendicular to the second direction (Y). The first sub-wall (261) comprises a first thickened portion (261b), the second sub-wall (262) comprises a second thickened portion (262b), the thickness of the first thickened portion (261b) is greater than that of the first wall (24), the thickness of the second thickened portion (262b) is greater than that of the second wall (25), and the first thickened portion (261b) and the second thickened portion (262b) are welded. The reliability of the battery cell (20) can be improved.
Resumen de: WO2025171712A1
The embodiments of the present application relate to the technical field of lithium-ion batteries, and particularly relate to a positive electrode material and a lithium-ion battery. The positive electrode material comprises a matrix material and a coating layer on at least part of the surface of the matrix material. The positive electrode material is measured by means of an XRD ray, the resultant diffraction intensity of a (104) crystal plane of the positive electrode material is I104, the resultant diffraction intensity of a (003) crystal plane thereof is I003, and R = I003/I104; in addition, the grain size corresponding to the (104) crystal plane obtained by means of calculation according to a Scherrer formula is D104 nm; the structural stability coefficient ε of the positive electrode material satisfies: ε = log(D104)/R, and 0.90＜ε＜1.03, wherein R=I003/I104; and the pellet hardness GD50of the positive electrode material is greater than 80 MPa, and GD90＞50 MPa. The positive electrode material of the present application can reduce the gas production and impedance of the positive electrode material, and can also improve the structural orderliness and structural stability of the positive electrode material, such that the safety performance, capacity and cycle performance of the positive electrode material can be improved.
Resumen de: WO2025171739A1
A battery cell (20), a battery (100), an electrical device and an energy storage device. The battery cell (20) comprises a housing (21), wherein the housing (21) comprises a casing (211) and an end cover (212), the casing (211) being provided with an opening (213), and comprising a first wall (30), the first wall (30) comprising a first opening portion (31) and a first body portion (32) which are distributed in sequence in a first direction, the first body portion (32) being further away from the opening (213) than the first opening portion (31), and the end cover (212) being welded to the first opening portion (31) so as to close the opening (213). The first opening portion (31) comprises a plurality of first thickened regions (311) and at least one first transition region (312), wherein the plurality of first thickened regions (311) are arranged spaced apart from each other in the first direction, two adjacent first thickened regions (311) are connected by means of the first transition region (312), the maximum thickness of the first thickened region (311) is greater than the thickness of the first body portion (32), the maximum thickness of the first transition region (312) is greater than or equal to the thickness of the first body portion (32), and the maximum thickness of the first thickened region (311) is greater than the maximum thickness of the first transition region (312), such that the reliability of the battery cell (20) can be improved.
Resumen de: WO2025171771A1
A battery cell (10) and an electric device. The battery cell (10) comprises a housing (100), an electrode assembly (200) disposed in the housing (100), and an electrode terminal (310) disposed at a wall portion of the housing (100), wherein the electrode assembly (200) comprises a plurality of first electrode sheets (210) and a plurality of second electrode sheets (220) which stacked in a first direction (X), a first empty foil area (211) is formed at a first corner of each first electrode sheet (210), each second electrode sheet (220) is provided with a first notch (221), and when observed in the first direction (X), the first empty foil areas (211) at least partially overlap with the first notches (221); and the electrode terminal (310) is electrically connected to the first empty foil areas (211), and the electrode terminal (310) does not protrude from the housing (100) in a length direction (Y), a width direction (Z) and a thickness direction of the housing (100). A space that is reserved between the electrode assembly (200) and the housing (100) and used for accommodating the first empty foil areas (211) is small, so that the energy density of the battery cell (10) can be improved, and when the battery cell (10) is subjected to an external force or falls, the possibility of a short circuit caused by the first empty foil areas (211) coming into contact with the second electrode sheets (220) is also smaller. The electrode terminal (310) does not protrude from the housing (
Resumen de: WO2025173287A1
In order to provide a deterioration index of a battery for calculating and presenting degradation of fuel consumption due to deterioration of the battery and determining the appropriateness of replacement of the battery, the present invention proposes a battery replacement determination method for a series hybrid system, the method involving, in the series hybrid system, calculating and outputting fuel consumption in the case where the battery is replaced, on the basis of the capacity deterioration ratio and the resistance deterioration ratio of the battery and of on/off information regarding an engine or a fuel cell (see fig. 1).
Nº publicación: WO2025171736A1 21/08/2025
Solicitante:
EVE ENERGY CO LTD [CN]
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Resumen de: WO2025171736A1
A battery pack and an electric device. The battery pack comprises a support plate (230), a bottom protective plate (250) and a plurality of battery cells (100), wherein a pressure relief valve (110) is provided at the bottom of each battery cell (100); the plurality of battery cells (100) are placed on the support plate (230), and the support plate (230) is provided with pressure relief holes (231) corresponding to the pressure relief valves (110); the bottom protective plate (250) covers the end surface of the support plate (230) away from the battery cells (100); a plurality of separation ribs (251) are provided between the bottom protective plate (250) and the support plate (230); the separation ribs (251), the support plate (230) and the bottom protective plate (250) enclose a liquid-cooling flow channel (252), and the separation ribs (251), the bottom protective plate (250) and the pressure relief holes (231) enclose a pressure relief channel (240); and the liquid-cooling flow channel (252) is in heat-exchange connection with the pressure relief channel (240).
BOPI
Sede Electrónica
