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1525
resultados
Última actualización
12/09/2025 [07:43:00]
Resultados 1450 a 1475 de 1525
Resumen de: WO2025178332A1
One embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a frame member for accommodating the battery cell stack; and an inlet and an outlet for circulating a refrigerant into the frame member, wherein the refrigerant is introduced into the frame member through the inlet and discharged through the outlet, a reinforcing plate is inserted into at least one of the upper part and the lower part of the frame member, and the reinforcing plate includes a reinforcing main body part located inside the frame member and at least one reinforcing protrusion part protruding from one surface of the reinforcing main body part toward one surface of the frame member.
Resumen de: WO2025178172A1
The present invention relates to a method for manufacturing a sealed battery and a sealed battery manufactured using same and, more specifically, to a method for manufacturing a sealed battery including a case body having formed therein an opening and an electrode assembly accommodated in the case body, and a cap plate sealing the opening of the case body, the method comprising: arranging the inner surface of the case body and the outer surface of the cap plate to face each other; and laser-welding the boundary between a first region of the upper surface of the case body and a second region of the upper surface of the cap plate, wherein the laser welding includes performing spatial modulation welding a plurality of times, and the spatial modulation welding includes irradiating a laser beam in a direction from the first region toward the second region, while moving from the first region to the boundary.
Resumen de: WO2025178224A1
A pressing apparatus according to an embodiment of the present invention may comprise: a pressing roller which is provided to press a secondary battery cell including an electrode assembly and an exterior material surrounding the electrode assembly and is rolled on a portion of the exterior material overlapping the electrode assembly to press the electrode assembly; and a pressing plate extending in one direction along the edge of the electrode assembly to press a portion of the exterior material overlapping an edge portion of the electrode assembly.
Resumen de: WO2025178165A1
The present invention relates to an apparatus for supplying a fixed quantity of an electrode material powder. The apparatus comprises: a hopper, which accommodates electrode material powder provided from the outside and discharges same downward; a first conveyor which is provided below the hopper, and which receives and transfers the electrode material powder discharged from the hopper; a transfer amount adjustment means for adjusting a transfer amount of the electrode material powder transferred through the first conveyor; a second conveyor for receiving and transferring the electrode material powder that passed through the first conveyor; and a pressing unit, which presses the electrode material powder transferred from the second conveyor so as to shape same into a film having a predetermined thickness. The apparatus for supplying a fixed quantity of an electrode material powder, according to the present invention, can adjust, in real time, a supply amount of an electrode material powder, and enables the manufacture of a dry electrode film with a uniform density and thickness by supplying an accurate volume of powder.
Resumen de: WO2025178226A1
Disclosed is an anode surface-stabilizing electrolyte additive for a lithium metal battery, using polarizable non-polar molecules. The electrolyte additive according to an embodiment comprises non-polar molecules, whereby lifetime characteristics of a lithium battery may be controlled based on the polarizability of the non-polar molecules, or comprises at least one of 3-mercapto-1-propanesulfonic acid sodium salt (MPS) and 1,3-propane disulfonate acid disodium salt (PDS).
Resumen de: WO2025178166A1
The present invention relates to a continuous quantitative supply device for electrode material powder. The device comprises: a hopper which receives electrode material powder supplied from the outside and discharges the powder downward; a grooved roll which is horizontally installed at the lower portion of the hopper and has formed in the outer circumference thereof a plurality of powder transport grooves extending in the circumferential direction; a first driver which rotates the grooved roll; a press roll which is parallel to the grooved roll and compresses the electrode material powder into the powder transport grooves while allowing the electrode material powder to pass through between the press roll and the grooved roll; a scraper which separates the electrode material powder stuck in the powder transport grooves of the grooved roll from the powder transport grooves; and a rolling unit which rolls the electrode material powder separated by the scraper, while allowing the electrode material powder to pass therethrough. The continuous quantitative supply device for electrode material powder of the present invention, configured as described above, can continuously and quantitatively supply electrode material powder, thereby allowing a dry electrode film having a uniform density and thickness to be manufactured. Also, because the amount of electrode material powder supplied can be easily adjusted, the production speed of an electrode film can be easily adjusted.
Resumen de: WO2025178171A1
Disclosed in an embodiment of the present invention is a lithium-ion secondary battery comprising: an electrode assembly comprising a negative electrode, a positive electrode, and a separator disposed between the negative electrode and the positive electrode; a case in which the electrode assembly is accommodated; and an electrolyte filled in the case, wherein the separator comprises a coating layer on at least any one of both surfaces thereof and the coating layer contains boron nitride nanotubes.
Resumen de: WO2025178225A1
A battery module according to an embodiment of the present invention includes: a battery cell stack in which a plurality of battery cells including electrode leads are stacked; a fixed frame including both side surface parts and a bottom surface part so as to cover both side surfaces and the bottom surface of the battery cell stack; a module frame in which the battery cell stack and the fixed frame are accommodated; and an inlet and an outlet for circulating a refrigerant into the module frame. The battery cell stack includes a first battery cell stack and a second battery cell stack, which are arranged in the longitudinal direction in which the electrode leads protrude from the battery cells. The bottom surface part of the fixed frame includes a beaded surface. An adhesive member being in contact with the bottom ends of the first battery cell stack and the second battery cell stack is provided on the beaded surface. The first battery cell stack and the second battery cell stack are fixed to the fixed frame by the adhesive member.
Resumen de: WO2025178306A1
One aspect of the present invention provides a solvent composition and a method for manufacturing a porous film using the solvent composition, in which the solvent composition is used for manufacturing a porous film including a plurality of pores by selectively extracting and removing a pore-forming agent from a base film comprising polyolefin and the pore-forming agent, and comprises at least one of alkyl carbonate and alkyl acetate and a non-chlorine-based halogen compound.
Resumen de: WO2025178338A1
This battery diagnostic apparatus comprises a memory for storing at least one instruction and at least one processor that executes the at least one instruction, wherein the at least one processor may: execute a charging process in which a charging period at a specific charging rate for a battery cell and a first rest period are alternately repeated or execute a discharging process in which a discharging period at a specific discharging rate for the battery cell and a second rest period are alternately repeated; acquire the resistance of the battery cell during the execution of the charging process or the discharging process; and diagnose the charging capacity of the battery cell on the basis of the resistance of the battery cell.
Resumen de: WO2025178046A1
This power storage device case (1) is provided with a case body (3) which has a top wall (31), a side wall (32) provided on the outer peripheral edge of the top wall (31), and a flange (33) provided on the outer periphery of the side wall (32), and in which a housing part (35) is provided inside the top wall (31) and the side wall (32). The case body (3) is formed from a molded body of a power storage device exterior material (1). The exterior material (1) includes: a resin base layer (11); a metal foil layer (12) that is laminated on an inner surface side of the base layer (11); a resin heat-resistant gas barrier layer (13) that is laminated on an inner surface side of the metal foil layer (12); and a resin sealant layer (15) that is laminated on an inner surface side of the heat-resistant gas barrier layer (13). The sealant layer (15) is provided with an opening (2) for exposing the heat-resistant gas barrier layer (13) in the housing part (35), and an outer peripheral edge section (21) of the opening (2) is set at the flange (33).
Resumen de: WO2025178163A1
The present invention relates to an external insulating tape attached to the outside of a case, a secondary battery to which the insulating tape is applied, and a manufacturing method thereof. The technical problem to be solved is to provide an insulating tape capable of being attached to the entire outer surface of a case including a surface on which an external terminal of a secondary battery is installed, a secondary battery to which the insulating tape is applied, and a manufacturing method thereof. To this end, the present invention provides a secondary battery comprising: an electrode assembly; a case in which the electrode assembly is embedded; a cap plate bonded to the case and including a terminal connected to the electrode assembly; and an insulating tape attached to an outer surface of the case, wherein the outer surface of the case comprises a surface of the cap plate, and the insulating tape comprises an upper surface attachment part attached to the surface of the cap plate.
Resumen de: WO2025178173A1
The present invention relates to an apparatus for pressurizing an electrode body and a method for pressurizing an electrode body and, more specifically, the apparatus comprises: a die plate including a landing portion and a peripheral portion surrounding the landing portion; a cavity structure on the peripheral portion, wherein the cavity structure includes a cavity exposing the landing portion and providing a space in which an electrode body to be subjected to a pressurization process is accommodated on the landing portion; and a punch structure on the cavity structure. The die plate includes a metal, and each of the cavity structure and the punch structure includes an elastic material.
Resumen de: WO2025178072A1
This electrode composition for a secondary battery comprises an electrode active material, a binder resin, and an additive, wherein the additive contains a compound (A) represented by general formula (1), and the hydroxyl value of the additive is at most 30 KOH mg/g. Formula (1): R1-O-(AO)m-R2 In the formula, AO is a C2-C4 alkyleneoxy group, m is a number of 3-20 indicating the average number of repetitions of an alkyleneoxy group, and (AO)m is a polyoxyalkylene chain, the polyoxyalkylene chain includes an ethyleneoxy group, and the molar ratio of the ethyleneoxy group in the polyoxyalkylene chain is at least 90% with respect to the total number of moles of the alkyleneoxy group. R1 is a C1-C20 alkyl group, and R2 is a C1-C2 alkyl group.
Resumen de: WO2025178064A1
The present invention addresses the problem of providing: composite particles serving as a battery material (positive electrode active material) which is particularly suitable for nonaqueous electrolyte secondary batteries, retains the capacity even at a high rate, and exhibits excellent cycle characteristics, and a producing method by which said composite particles can be easily obtained; and a high-performance nonaqueous electrolyte battery. In order to solve the abovementioned problem, provided are: composite particles in which Li-containing nanoparticles are adhered to the surfaces of positive electrode active material particles, and in which the respective BET specific surface areas of the positive electrode active material particles, the Li-containing nanoparticles, and the composite particles are in a numerical range satisfying a specific relationship; and a producing method for said composite particles. Further provided is a nonaqueous electrolyte secondary battery in which said composite particles are used as a positive electrode active material.
Resumen de: WO2025177979A1
This battery pack comprises: a secondary battery; a first positive terminal for load connection; a first negative terminal for load connection; at least one signal terminal for signal input; and a non-volatile memory. When a first signal is received from the signal terminal, a first storage operation is performed to store first data corresponding to the first signal in the non-volatile memory, and after receiving the first signal, a power consumption reduction state is continued until a second signal is received from the signal terminal.
Resumen de: WO2025178126A1
The present disclosure relates to a plant-derived carbonaceous material having a BET specific surface area of 1000 m2/g or more and an oxygen desorption amount of 1.1 mass% or more according to thermal desorption spectroscopy from 1200°C to 2500°C.
Resumen de: WO2025178020A1
Provided is a method for manufacturing a power storage element including a current collector and an electrode body that includes a connection part connected to the current collector. The connection part includes a plurality of laminated current collector foils. The method includes: forming a foil joint part in which the plurality of current collector foils are joined in a predetermined range including an end edge of the connection part; and forming a weld part by welding the end edge included in the foil joint part and the current collector.
Resumen de: WO2025178093A1
A power storage device (10) comprises: a first power storage cell (211) and a second power storage cell (221) that are aligned in a first direction with spacing therebetween; and a cross member (40) that extends along a second direction orthogonal to the first direction and is disposed in the gap between the first power storage cell (211) and the second power storage cell (221). The cross member (40) is provided with a hollow portion (H) in a cross section perpendicular to the second direction. The cross member (40) has: a first wall portion (41) that faces the first power storage cell (211) in the first direction; and a partition wall (45) that intersects the first direction in the cross section and partitions the hollow portion (H). At least a part of the partition wall (45) is provided with a region having a higher reflectance than that of the first wall portion (41).
Resumen de: WO2025177969A1
This separator (13) for a non-aqueous electrolyte secondary battery comprises a base layer (50) and a filler layer (52) disposed on the surface of the base layer (50), wherein the separator (13) is characterized in that the filler layer (52) is made of an inorganic material and includes porous particles (54) having pores with a pore diameter of 10-50 nm.
Resumen de: WO2025178052A1
Provided is provided a slurry composition for a functional layer containing a filler, wherein a transfer rate measured in a transfer rate measurement test is 10% to 100%.
Resumen de: WO2025178012A1
This separator for a nonaqueous secondary battery is provided with: a porous base material; and an adhesive porous layer that is disposed on one surface or both surfaces of the porous base material and contains an acrylic resin (1). The acrylic resin (1) contains, as polymerization components, a (meth)acrylic acid, a (meth)acrylamide-based monomer, and at least one of methyl (meth)acrylate and butyl (meth)acrylate. The total proportion of the (meth)acrylic acid and the (meth)acrylamide-based monomer in all polymerization components is 20 mol% or more, and the molar ratio of the (meth)acrylic acid to the (meth)acrylamide-based monomer is 40:60 to 60:40.
Resumen de: WO2025178092A1
A power storage device (10) comprises: a first power storage cell (211) and a second power storage cell (221) that are arranged side by side and separated by an interval in a first direction; and a cross member (40) that extends along a second direction orthogonal to the first direction and is disposed in a gap between the first power storage cell (211) and the second power storage cell (221). The cross member (40) is provided with a hollow part (H) in a cross section perpendicular to the second direction. The cross member (40) includes: a first wall (41) that opposes the first power storage cell (211) in the first direction; and a partition wall (45) that intersects the first direction in the cross section and partitions the hollow part (H). The thickness of the partition wall (45) is less than or equal to the thickness of the first wall (41).
Resumen de: WO2025177814A1
This power storage element of the present embodiment is characterized by comprising an electrode body in which a plurality of electrode plates are layered, a container that accommodates the electrode body, and a pair of electrode terminals that are electrically continuous with the electrode body. The power storage element is also characterized in that: the container, when observed from a first direction, which is a prescribed horizontal direction, has a rectangular shape that is long in a second direction which is perpendicular to the first direction and horizontal, and among the four corners of the rectangular shape, at least two corners on one side in the vertical direction each have a notch; the notch comprises a terminal disposition surface that extends in an oblique direction that intersects both a long side and short side of the rectangular shape which is observed from the first direction, the long side being on the one side in the vertical direction, and the short side being on one side in the second direction of the rectangular shape or being on the other side in the second direction; and the electrode terminals are disposed on the respective terminal disposition surfaces.
Nº publicación: WO2025178023A1 28/08/2025
Solicitante:
IDEMITSU KOSAN CO LTD [JP]
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Resumen de: WO2025178023A1
Provided are: a cleaning method for safely and efficiently cleaning the insides of devices that configure a production apparatus for a sulfide solid electrolyte; and a production method and a production apparatus for a sulfide solid electrolyte. This cleaning method for devices that configure a production apparatus for a sulfide solid electrolyte comprises: cleaning, with water, a sulfur atom-containing substance attached to the insides of the devices; and bringing a fluid containing a gas generated by the cleaning into contact with an alkaline aqueous solution. This production method for a sulfide solid electrolyte adopts said method. This production apparatus for a sulfide solid electrolyte comprises a water supply facility used in said cleaning method for devices.
BOPI
Sede Electrónica
