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1719
resultados
Última actualización
07/06/2025 [07:24:00]
Resultados 625 a 650 de 1719
Resumen de: WO2025116421A1
The present invention relates to a sulfide-based solid electrolyte which comprises lithium (Li), phosphorus (P), sulfur (S), and a halogen element (D), and has an argyrodite-based crystal structure, wherein at least a portion of the crystal structure is doped with at least one element among boron (B) and aluminium (Al), and the moisture stability is at least 75%.
Resumen de: WO2025116331A1
A sealing device according to one embodiment of the present invention may comprise: a lead film that encompasses a lead metal of an electrode lead; a sealing block that seals a pouch encompassing the lead film and that has at least one sealing surface for pressing the lead film and the pouch, which overlap; and a sealing protrusion, which is provided at one portion of the sealing surface and protrudes a predetermined thickness from the sealing surface in the pressing direction of the sealing block so as to prevent the lead film from moving in the width direction of the sealing surface.
Resumen de: WO2025116330A1
The present invention relates to: a resin composition for polymer solid electrolyte, comprising: a lithium salt; and a blended polymer of a polyacrilonitrile (PAN) polymer and a poly(acrylonitrile-co-methyl methacrylate) (PMMA) copolymer; and a polymer solid electrolyte membrane for an all-solid secondary battery, comprising same.
Resumen de: WO2025115698A1
A nonaqueous electrolyte for a secondary battery, the nonaqueous electrolyte containing a nonaqueous solvent, a salt dissolved in the nonaqueous solvent, and an additive dissolved in the nonaqueous solvent, wherein: the additive contains a 1,4-dioxane compound and a sulfur-containing compound; and the sulfur-containing compound has a SO3 structure and/or a SO4 structure.
Resumen de: WO2025115661A1
This composite comprises activated carbon and at least one of elemental sulfur or discharge product of elemental sulfur. The activated carbon has a peak area percentage of oxygen functional groups of 15% or less in the C1s spectrum as obtained by X-ray photoelectron spectroscopy.
Resumen de: WO2025116253A1
The present invention relates to an electrode for a lithium sulfur battery, the electrode being for improving energy density, and comprising a current collector and an electrode active material layer disposed on at least one surface of the current collector, wherein the electrode active material layer contains a sulfur-carbon composite and a binder, the sulfur-carbon composite includes a porous carbon material and a sulfur-based material, and the current collector includes aluminum (Al) and has a thickness of about 9 µm or less.
Resumen de: WO2025115651A1
This cylindrical battery comprises a wound-type electrode body (14), an outer can (16) that has a bottomed cylindrical shape and accommodates the electrode body (14), and a sealing body (17) that closes the opening of the outer can (16), and includes a plurality of positive electrode leads (20) connected to a positive electrode of the electrode body (14). The cylindrical battery further comprises a pressing member (30) that is disposed between the electrode body (14) and the sealing body (17) and presses the electrode body (14) via an insulating plate (18). The pressing member (30) is a conductive member to which the positive electrode leads (20) and the sealing body (17) are connected, and electrically connects the positive electrode leads (20) and the sealing body (17).
Resumen de: WO2025115639A1
The present invention provides a highly reliable nonaqueous electrolyte secondary battery in which the occurrence of an internal short circuit is suppressed. A nonaqueous electrolyte secondary battery according to one embodiment of the present disclosure includes: a wound electrode body which is obtained by winding a belt-shaped positive electrode and a belt-shaped negative electrode, with a separator being interposed therebetween; and an outer package which houses the electrode body. The positive electrode has a positive electrode current collector and a positive electrode mixture layer that is formed on the surface of the positive electrode current collector. The positive electrode mixture layer has, in the central part of the winding termination end in the short-side direction of the positive electrode, a recess that is recessed toward the winding start end side relative to the both edges of the winding termination end in the short-side direction of the positive electrode.
Resumen de: WO2025116234A1
The present invention relates to a solid electrolyte, a method for preparing same, and a lithium secondary battery comprising same. More specifically, the present invention relates to a sulfide-based solid electrolyte comprising at least one of Li2SO4 or P2O5, a method for preparing same, and a lithium secondary battery comprising same.
Resumen de: WO2025116236A1
The invention of the present application provides a method for preparing lithium sulfide, comprising: a first raw material preparation step of preparing a first raw material including lithium; a second raw material preparation step of preparing a second raw material including carbon; a first raw material pulverizing step of pulverizing the prepared first raw material; a mixing step of adding the pulverized first raw material and the second raw material to a first solvent to prepare a mixture; a first evaporation step of evaporating the solvent from the mixture; a heat treatment step of heat-treating the mixture; a washing step of washing the sintered mixture with a second solvent; a second evaporation step of filtering impurities while evaporating the washed mixture; and a plasticizing step of plasticizing the mixture subjected to the second evaporation step.
Resumen de: WO2025116244A1
The present invention relates to a negative electrode for a zinc-ion battery, a method for manufacturing same, and a zinc-ion battery, the negative electrode comprising a polymer protective layer comprising a predominant β-phase polar polymer.
Resumen de: WO2025115707A1
Provided is a highly reliable non-aqueous electrolyte secondary battery in which the occurrence of internal short circuiting is suppressed. A non-aqueous electrolyte secondary battery according to one embodiment of the present disclosure comprises: an electrode body in which a first electrode and a second electrode that are strip-shaped and have different polarities from each other are wound with a separator interposed therebetween; and an exterior body that accommodates the electrode body. The first electrode has a current collector and a mixture layer formed on the surface of the current collector. An exposed portion at which the current collector is exposed is formed on the surface of the first electrode, and one end side of an electrode tab is connected to the exposed portion. The electrode tab has a planar shape in which a corner part on one end side is R-chamfered.
Resumen de: WO2025116278A1
The present invention relates to a solid electrolyte for an all solid-state battery and an all solid-state battery including same, wherein the solid electrolyte for an all solid-state battery comprises a Zr element in an amount of 100 ppm to 1000 ppm, and comprises an argyrodite-based compound.
Resumen de: WO2025116264A1
Disclosed is a conductive material slurry having excellent dispersion stability. According to one aspect, provided is a conductive material slurry comprising a conductive material, dispersants, and a solvent, wherein the dispersants include a first dispersant and a second dispersant which is different from the first dispersant, the first dispersant comprises a polymer having a heteroatom, and the second dispersant comprises a polymer having a group which is capable of hydrogen bonding.
Resumen de: WO2025116123A1
This all-solid rechargeable battery comprises: an all-solid cell laminate comprising a plurality of all-solid unit cells laminated in a first direction; a case for housing the all-solid cell laminate therein; a first end plate positioned between the case and a first end part of the all-solid cell laminate in the first direction; and a plurality of first metal wave springs positioned between the first end plate and case.
Resumen de: WO2025116170A1
The present disclosure relates to a battery pack. The technical problem is to be solved by providing a battery pack comprising: a case; a plurality of all-solid-state battery cells accommodated in the case; and a plurality of disk springs arranged between the plurality of all-solid-state battery cells, wherein the plurality of disk springs are arranged in the direction perpendicular to an interface between a negative electrode, a solid electrolyte and a positive electrode inside the plurality of all-solid-state battery cells, so as to press the interface.
Resumen de: WO2025115672A1
This cylindrical battery (10) is characterized by comprising: an electrode body (14); a bottomed cylindrical outer can (16) that accommodates the electrode body 14; a sealing body (17) that closes the opening of the outer can (16); and a current collector plate (40) that is disposed between the sealing body (17) and the electrode body (14) and has a through-hole (30A), the cylindrical battery (10) including a positive electrode lead (20) connected to the positive electrode (11). The positive electrode lead (20) is joined to the lower surface of the current collector plate (40). The current collector plate (40) has a top part (45) and a plurality of side surface parts (46), has a protruding part (41) provided in the central part of the current collecting plate (40), and has an annular recessed part (42) provided around the protruding part (41). The top part (45) is joined to the sealing body (17).
Resumen de: WO2025116165A1
The present invention relates to a roller gripper for a secondary battery cell pouch, comprising: a body; an actuator provided at the body; a rod provided to be elevated by the actuator; a pair of grip-rotating bodies rotatably coupled, so as to face each other, to a rotary shaft provided in parallel to the rod in the body, such that the rod is positioned to be insertable between sides of the grip-rotating bodies and a cell pouch is provided to be insertable between the other sides of the grip-rotating bodies; roller slides, each provided to rotatably support the rod inserted into the sides of each of the grip-rotating bodies; roller grips, each rotatably provided on the other sides of each of the grip-rotating bodies so as to grip the cell pouch by reducing the gap between the other sides of the grip-rotating bodies when the rod is inserted between the roller slides; and open members provided at the grip-rotating bodies so as to release the grip on the cell patch by separating the roller grips from each other when the rod returns and is partially or entirely retracted from between the roller slides.
Resumen de: WO2025115643A1
This cylindrical battery comprises: an electrode body (10); an outer can (20) that has a bottomed cylindrical shape and accommodates the electrode body (10) and an electrolyte solution; and a sealing body (30) that closes the opening in the outer can (20). The cylindrical battery includes a positive electrode lead (11) that is connected to a positive electrode constituting the electrode body (10). The cylindrical battery further comprises: a positive electrode current collector plate (40) that is formed in an annular shape, has the positive electrode lead (11) connected thereto, and is welded to the outer can (20); and a gasket (50) that is arranged between the outer can (20) and the sealing body (30) and covers the lower surface of the positive electrode current collector plate (40), which faces the direction of the electrode body (10). The gasket (50) has an inner peripheral wall section (51) that covers an inner peripheral surface (44) forming the peripheral edge of an opening (41) in the positive electrode current collector plate (40).
Resumen de: WO2025116980A1
Methods and apparatuses are provided for measuring self-discharge current /sd of cells and for using differential self-discharge current of paralleled cells as a quality control (QC) criterion. For cells in a group that are connected in parallel, current /b#, which represents the current through the corresponding cell# in the group, may be measured, and self-discharge current of at least one cell (denoted as /sd#): may be calculated based on a corresponding /b# in Various ways depending on whether the group of cells are connected to a power supply and which kind of power supply. The current /b# may be used as a standard for cell quality judgment and/or cell classification, which is simpler, faster and cheaper than using self-discharge current as a QC criterion.
Resumen de: WO2025115485A1
Provided is an all-solid-state lithium ion secondary battery in which a solid electrolyte layer contains an amorphous solid electrolyte that contains H2O, a lithium salt, and a lithium-containing oxide that contains Li, B, and O. The value of the ratio in this solid electrolyte of the lithium salt content to the lithium-containing oxide content is 0.001-1.5 as the molar ratio. The amount of H2O in the solid electrolyte constituting the laminate comprising the positive electrode active material layer, the solid electrolyte layer, and the negative electrode active material layer is 4.5-12.5 mass%. Also provided is a solid electrolyte that is advantageous as a material for this secondary battery.
Resumen de: WO2025115894A1
A battery pack (1) is provided with: a case (10); a plurality of batteries (30) accommodated within the case (10); a cooling liquid (50) filled into the case (10); a first holder (61) disposed within the case (10), the first holder accommodating the upper parts of the batteries (30); and a heat-insulating material (90) that is disposed on the lower surface of the first holder (61) and is positioned around the plurality of batteries (30). The plurality of batteries (30) are immersed in the cooling liquid (50) within the case (10).
Resumen de: WO2025115355A1
A secondary battery diagnosis system according to an embodiment of the present technology selects, on the basis of normal OCV data pertaining to a first secondary battery in a normal state, specific OCV data with which the regular OCV data can be approximated from among a plurality of virtual OCV data obtained from a plurality of positive electrode OCP data and a plurality of negative electrode OCP data. The secondary battery diagnosis system furthermore estimates, on the basis of the positive electrode OCP data and the negative electrode OCP data from which the specific OCV data is obtained, a plurality of deterioration OCP data for when the first secondary battery deteriorates under various conditions, and determines, on the basis of the plurality of deterioration OCP data obtained through the estimation, an OCV measurement section for measuring the OCV of a second secondary battery.
Resumen de: WO2025117021A1
The present technology relates generally to secondary electrochemical cells, and methods of making and using secondary electrochemical cells. The electrochemical cells include a cathode, an anode, and an aqueous electrolyte. The cathode includes copper metal particles. The anode includes zinc metal. The aqueous electrolyte includes zinc sulfate. The aqueous electrolyte has a pH of about 4.5 to about 7.
Nº publicación: WO2025115375A1 05/06/2025
Solicitante:
KK TOYOTA JIDOSHOKKI [JP]
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Resumen de: WO2025115375A1
This electric power storage module is provided with: an electrode laminate in which electrodes are laminated in a first direction; a sealing body that is provided to the electrode laminate in a manner so as to surround the electrode laminate when viewed in the first direction; an exterior pack that accommodates the electrode laminate and the sealing body; and a cover member that is interposed between the exterior pack and a side surface of the sealing body extending in the first direction. The linear expansion coefficient of the cover member is smaller than the linear expansion coefficient of the sealing body.
BOPI
Sede Electrónica
