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574
resultados
Última actualización
15/09/2026 [08:53:00]
Resultados 550 a 574 de 574
Resumen de: EP4803304A1
0001 The present invention provides an exterior material which is for a partition member, which is constituted by a laminate comprising at least a metal layer, an adhesive layer, and a thermally fusible resin layer in this order, and which suppresses a decrease in adhesive strength between the metal layer and the thermally fusible resin layer of the exterior material. Provided is an exterior material that is for a partition member and that is used for a partition member which is disposed between a plurality of heat-generating bodies, said exterior material being constituted by a laminate comprising at least a metal layer, an adhesive layer, and a thermally fusible resin layer in this order, wherein the adhesive layer is formed from a cured product of a polyolefin-based adhesive.
Resumen de: EP4803303A1
0001 Provided is an exterior material for a partition member. The exterior material for a partition member is used for a partition member disposed between a plurality of heating elements, and is composed of a laminate including at least a metal layer and a hot-melt adhesive resin layer, wherein the metal layer includes a corrosion-resistant film on a surface of the hot-melt adhesive resin layer.
Resumen de: EP4804281A1
0001 The all-solid rechargeable battery includes a plurality of unit cells each of which is formed by stacking a negative electrode, a solid electrolyte layer, and a positive electrode, and ceramic insulating layers provided at least between the negative electrodes of adjacent ones among the unit cells and on the negative electrodes positioned on outermost sides of the entirety of the unit cells.
Resumen de: EP4804279A1
0001 Provided is a method for manufacturing an all-solid-state secondary battery-mounted circuit board that can maintain good characteristics of the all-solid-state secondary battery. The method for manufacturing an all-solid-state secondary battery-mounted circuit board of the present invention is a method for manufacturing a circuit board on which an all-solid-state secondary battery is mounted, the all-solid-state secondary battery having a power generation element in which a positive electrode layer, a solid electrolyte layer, and a negative electrode layer are stacked in this order, and an exterior body accommodating the power generation element, the positive electrode layer including a sulfide-based solid electrolyte and a positive electrode active material on which a reaction suppressing layer is formed on at least a portion of a surface of the positive electrode active material, the method comprising a step of mounting the all-solid-state secondary battery on a circuit board through reflow soldering, wherein the all-solid-state secondary battery is subjected to the reflow soldering in a state in which a potential of the positive electrode layer is 2.55 V or less relative to the lithium potential.
Resumen de: EP4804327A1
0001 The present application provides a battery apparatus and an electrical device, solving the problem that electrical arcing is likely to occur between an upper box body and a live part of a battery cell. The battery apparatus includes: a battery cell assembly including a plurality of battery cells having electrode terminals; a box body including a first portion and a second portion, where the second portion covers the first portion to form an accommodating cavity for accommodating the battery cell assembly; and a first surface of the second portion has at least one of a protrusion portion and an opening portion, the first surface being a surface of the second portion facing the electrode terminals; and an insulating member located between the first surface of the second portion and the battery cell assembly. The insulating member includes a first insulating member and a second insulating member, where the first insulating member is disposed opposite to the first surface of the second portion, and has a hollowed-out portion exposing at least one of the protrusion portion and the opening portion; and the second insulating member is disposed opposite to at least one of the protrusion and a portion of the first surface exposed through the hollowed-out portion, and has a first through hole communicating with the opening portion.
Resumen de: EP4804251A1
0001 The present application provides a phosphate cathode material, a preparation method thereof, a cathode plate, and a secondary battery, which belong to the field of battery material technology. The phosphate cathode material includes a core and a carbon layer coating the core. The core is represented by formula Na<3>V<2-x-y>A
Resumen de: EP4804312A1
0001 An electric system, having a battery pack, wherein the battery pack has a battery assembly. The battery assembly comprises a plurality of battery cells stacked in the vertical direction, a support member and an adhesive member. In the battery assembly, the adhesive member and the support member jointly cooperate to prevent two stacked adjacent battery cells from separating from each other, and a gap is also formed in the central area of opposite surfaces of the two adjacent battery cells to provide a reserved expansion space, thereby preventing the two adjacent battery cells from squeezing each other due to excessive expansion force. In addition, the support member is positioned close to a first side wall to ensure that the reserved expansion space formed in the central area of first surfaces is relatively reliable.
Resumen de: EP4804286A1
Disclosed in the present application are a winding needle (10), a winding device (1000) and a battery processing system. The winding needle comprises: an inner needle (11); at least two outer needles (12), which surround the inner needle along the circumference of the inner needle, and are movably arranged on the circumferential side of the inner needle in the radial direction of the inner needle; and a first structural member (13), which abuts against the outer needles, and can move relative to the outer needles in the axial direction of the inner needle to push the outer needles away from the inner needle in the radial direction of the inner needle. In the winding needle of the present application, the first structural member pushes the outer needles away from the inner needle in the radial direction of the inner needle, thereby achieving the effect of expanding the outer diameter of the winding needle; and the first structural member can be disengaged from the outer needles, and then an electrode assembly can apply pressure to the winding needle to enable the outer needles to move close to the inner needle in the radial direction of the inner needle, thereby achieving the effect of reducing the outer diameter of the winding needle. In this way, the outer diameter of the winding needle can be increased or decreased, so that the outer diameter of the winding needle can be adjusted during the winding process of the electrode assembly, thereby reducing the tab misalignment.
Resumen de: EP4804285A1
The present application is applicable to the technical field of battery production devices, and provides a winding device and a battery manufacturing device. The winding device (100) comprises: a laminating mechanism (10) used for unwinding a first electrode sheet (210), a first separator (220), and a second electrode sheet (230), and pressing the first electrode sheet (210), the first separator (220), and the second electrode sheet (230) to form a compounding sheet (250); a separator unwinding mechanism (20) used for unwinding a second separator (240); and a winding mechanism (30) provided on a discharging side of the laminating mechanism (10), the winding mechanism (30) being used for winding the compounding sheet (250) and the second separator (240) to form an electrode assembly (200). The winding device provided by the embodiments of the present application has reasonable layout, and the problem of the crowded space above the winding mechanism is solved.
Resumen de: EP4804262A1
This power storage device (10) comprises a power storage cell (20) that is comprised of a positive electrode (21), a negative electrode (22), a separator (23), and a sealing part (24) that forms a sealed space for housing a liquid electrolyte between the positive electrode (21) and the negative electrode (22). The positive electrode (21) has a positive electrode active material layer (21b) that is formed on a first surface (21a1) of a positive electrode current collector (21a). The first surface (21a1) of the positive electrode current collector (21a) is formed of aluminum. The sealing part (24) is formed of an acid-modified polyolefin resin, and is bonded to the first surface (21a1) of the positive electrode current collector (21a). The positive electrode (21) comprises a carbon coating layer (M) that is provided, at a bonded portion with the sealing part (24), on the first surface (21a1) of the positive electrode current collector (21a). The carbon coating layer (M) contains carbon particles and a coating layer binding agent. The basis weight of the carbon coating layer M is 0.2 g/m2 or more.
Resumen de: EP4804269A1
A non-aqueous electrolyte secondary battery (10) disclosed herein includes a positive electrode (11), a negative electrode (12) that includes a negative electrode mixture layer, and a non-aqueous electrolyte. The negative electrode mixture layer contains the negative electrode active material and the binder component. The binder component includes a binder compound and a chelating agent. The negative electrode active material includes a silicon-containing material. The non-aqueous electrolyte contains the polyvalent cation.
Resumen de: EP4804309A1
0001 A sealed battery (10) comprises an electrode body, an outer can (20), a sealing body (19), and a gasket (30) interposed between the outer can and the sealing body. The gasket has a protruding portion (31) that protrudes radially inward of the radially inner end of a radially bent portion (20c) that is formed at an opening-side end portion of the outer can and is bent radially inward. A cutout (32) which is continuous on at least a portion of the circumferential direction of the axially outer surface of the protruding portion and has a width in the radial direction so as to include a tip (37) of the protruding portion is formed. The axial thickness of the part of the protruding portion where the cutout is formed is smaller than the thickness of a part of the gasket that is adjacent to the radially outer side of the cutout.
Resumen de: EP4804283A1
0001 A battery (10) comprises: an electrode body (14) in which a strip-shaped positive electrode (11) and a strip-shaped negative electrode (12) are wound with a strip-shaped separator (13) interposed therebetween; an outer can (16) that accommodates the electrode body (14) and includes a cylindrical section (30); and a sealing body (17) that closes an opening of the outer can (16). The negative electrode (13) has a first end and a second end in the axial direction of the electrode body (14), and the negative electrode (12) undergoes current collection on the first end side, and either includes a dispersion section in which sections of the second end that are neighboring in the radial direction are directly joined to or in contact with each other, or includes a dispersion section in which the same are indirectly joined to or in contact with each other via a second upper current collector plate (19) that is conductive.
Resumen de: EP4804284A1
In the present invention, a cylindrical battery (10) comprises: an electrode body (14) in which a positive electrode (11) and a negative electrode (12) are disposed with a separator (13) interposed therebetween; and an outer can (16) that accommodates the electrode body (14). The negative electrode (12) has a first end constituting a lower end section and a second end constituting an upper end section in the axial direction (negative electrode width direction) which is a first direction. In the negative electrode (12), a current is collected from the first end side, and one or more notches (46) are provided at the second end. The electrode body (14) may be a wound electrode body in which the strip-shaped positive electrode (11) and the strip-shaped negative electrode (12) are wound with the separator (13) interposed therebetween.
Resumen de: EP4804259A1
0001 The present application discloses a negative electrode current collector, a battery cell, a battery, and an electric apparatus. The negative electrode current collector includes a substrate and an alloy layer located on at least one side of the substrate, where the alloy layer includes a first metal element and a second metal element, the substrate includes a third metal element, the nucleation overpotential of the elemental form of the second metal element is less than the nucleation overpotential of the elemental form of the first metal element, the nucleation overpotential for lithium metal on the elemental form of the first metal element is greater than or equal to 0.10 V, and the nucleation overpotential of the elemental form of the second metal element is less than the nucleation overpotential of the elemental form of the third metal element. The present application enables the battery to have high coulombic efficiency, high reliability, and long cycle life.
Resumen de: EP4804277A1
0001 Provided is a nonaqueous electrolyte solution for a secondary battery which is excellent in electric capacity retention characteristics and favorably suppresses an increase in internal resistance when a secondary battery used at a high voltage is stored in a high-temperature environment, and exhibits favorable electric capacity retention characteristics even when such a secondary battery is repeatedly charged and discharged at a high charge voltage after storage in a high-temperature environment, and a secondary battery provided the same. The nonaqueous electrolyte solution for a secondary battery of the present invention contains an electrolyte and a nonaqueous solvent, and further contains at least one fluorophosphate represented by Chemical Formula (1) as an additive:
wherein M<+> represents an alkali metal ion, R<1> to R<5> each independently represent a hydrogen atom, a hydrocarbon group having 1 to 10 carbon atoms, and the like, or R<1> to R<5> each independently represent any of a hydrocarbon group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, and the like, and optionally selected combinations are bonded to each other to form a cyclic structure, and n represents an integer of 0 to 10.
Resumen de: EP4804213A1
0001 To provide a method for producing a sulfide solid electrolyte having high water resistance, and the like. A method for producing a sulfide solid electrolyte, comprising a step of subjecting a sulfide solid electrolyte to at least one treatment selected from the group consisting of a mixing treatment and a disintegration treatment in a solvent, wherein the solvent comprises an aprotic solvent containing an oxygen atom.
Resumen de: US20250149538A1
A lithium-ion battery includes an electrode with microscale channels formed in the electrode material and a nanoscale conformal coating over the electrode material. The channels promote Li-ion transport to the interior of the electrode during charging, and the coating acts as an artificial solid electrolyte interphase (SEI) in place of the SEI that is typically formed during initial charge cycles of a Li-ion battery. The coating can be selected to have a lower impedance than a naturally formed SEI and can be formed in a more controlled manner prior to cell assembly. Cold-charging performance of the resulting battery is enhanced more than would be expected by the individual contributions of the channels and the coating.
Resumen de: EP4804250A1
Disclosed herein are an all-solid-state secondary battery and a method of manufacturing the same, the all-solid-state secondary battery including: a cathode layer; an anode layer; and a solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the cathode layer includes a cathode current collector and a cathode active material layer disposed on one or both sides of the cathode current collector, the cathode active material layer includes a composite cathode active material, the composite cathode active material includes a composite of M2S, an alkali metal salt, an inorganic electronic conductive structure, and a metal conductive material, where M is an alkali metal, and the alkali metal is Li or Na, an electronic conductivity of the inorganic electronic conductive structure is 1 x 10-3 S/cm or more, the composite includes a solid solution of M2S and an alkali metal salt, and a ratio of length/thickness of the metal conductive material is 2 or more.
Resumen de: EP4804261A1
0001 This secondary battery comprises: a wound electrode body (14) in which a positive electrode and a negative electrode (12) are wound via a separator; and a cylindrical outer can that houses the electrode body (14). A belt-shaped tape (50) for fixing a winding end is adhered to the outer peripheral surface of the electrode body (14). The tape (50) is adhered so that: the tape (50) does not overlap itself in the thickness direction of the tape (50); and both ends (51, 52) of the tape (50) in the length direction overlap each other in the axial direction of the electrode body (14).
Resumen de: EP4804273A1
According to the present disclosure, there is provided a sulfide-based solid electrolyte including a Li-P-S-based compound having an anionic lattice structure represented by P1-bMbS4-aSea3-.
Resumen de: EP4804303A1
Provided is a cylindrical nonaqueous electrolyte secondary battery for which corrosion of an opening end of an outer can is suppressed. A cylindrical nonaqueous electrolyte secondary battery as an example embodiment of this invention includes: an outer can having a bottomed cylindrical shape and a groove part at an opening part; a nonaqueous electrolyte and an electrode body housed in the outer can; and a sealing body closing the opening part of the outer can. The electrode body has a winding structure. A tape for fixing a winding end of the electrode body is stuck to an outer peripheral surface of the electrode body. The tape has an extended part that extends out from an end on the groove part side of the outer peripheral surface. The extended part contacts the groove part and absorbs the nonaqueous electrolyte.
Resumen de: EP4804308A1
0001 This hermetically sealed battery includes an electrode body, an exterior can (16), a sealing body, and a gasket (28) interposed between the exterior can and the sealing body. The sealing body is swaged and fixed to the opening-side end of the exterior can via the gasket. The gasket has a cylindrical body part (50) and a protrusion (54) protruding over the entire circumference from the outer peripheral surface of the body part to the outside in the radial direction. The protrusion is elastically bent outward in the axial direction so that the tip approaches the outer peripheral surface of the body part in a state in which the inner peripheral surface of a cylindrical part provided at the opening-side end part of the exterior can is pressed toward the outside in the radial direction.
Nº publicación: EP4804318A1 09/09/2026
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4804318A1
A battery cell (100), a battery (200) and an electric device (1000). The battery cell (100) includes a housing (10), a shielding member (20) and a pressing member (30), where the housing (10) is provided with a first wall (11), the first wall (11) being provided with a weak part (110); the shielding member (20) is disposed in the housing (10), and in the direction of the thickness h of the first wall (11), the shielding member (20) covers at least part of the weak part (110); the pressing member (30) is located on the side of the shielding member (20) facing away from the first wall (11), the pressing member (30) pressing against the shielding member (20).
BOPI
Sede Electrónica
