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877
resultados
Última actualización
01/10/2026 [16:31:00]
Resumen de: EP4815059A1
0001 A negative electrode active material is composed of a sodium ferrite containing, as main components, Na and Fe, which are abundantly present as resources. With this negative electrode active material, the production cost of the negative electrode can be suppressed, and, when the positive electrode is for a sodium ion battery, metals such as Li are not used, so that a secondary battery with low environmental impact can be produced.
Resumen de: EP4815086A1
0001 Provided are secondary battery and an electric device. The secondary battery includes a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer on at least one surface of the negative electrode current collector. The negative electrode film layer includes a negative electrode active material. The negative electrode active material includes a first carbon-based material and a second carbon-based material, and both the first carbon-based material and the second carbon-based material are provided with pore structures. The I
Resumen de: WO2025109118A1
The present disclosure relates to high performance sodium-ion cells. In particular, the sodium-ion cells comprises a cathode with a cathode active layer having a very low water content.
Resumen de: EP4815083A1
A non-aqueous electrolyte energy storage device according to one aspect of the present invention includes a positive electrode containing positive electrode active material particles including a compound having an olivine-type crystal structure, and a non-aqueous electrolyte containing a salt having an oxalato complex anion, wherein a D50 particle size of the positive electrode active material particles is 3 µm or less, and a BET specific surface area of the positive electrode active material particles is 10 m2/g or less.
Resumen de: WO2025108668A1
The invention relates to a composition comprising a) particles comprising lithium lanthanum zirconium oxide, and b) a polymer comprising a polyether segment, wherein the polymer comprises one alkyl ether end group and one carboxylic acid end group, wherein the carboxylic acid end group is linked to the polyether segment via a linking segment comprising a carboxylic acid ester group.
Resumen de: WO2025111152A1
A composition comprising a mixture of a) silica aerogel particles having particle sizes in a range from 0.1 mm to 5 mm and b) hydrophobic silica-containing aciniform particles having a methanol number of 30 to 70 and carbon content up to 6 wt%, wherein the silica aerogel particles and hydrophobic silica containing particles are present in a ratio from 0:100 to 80:20; and wherein the heat control member has a thermal conductivity at 25 °C of approximately 5-40 mW/m.K and a thickness of 0.1-10 mm.
Resumen de: EP4815057A1
0001 The present invention is a negative electrode active material containing negative electrode active material particles, in which the negative electrode active material particles contain a porous carbon structure, a low-valent nano silicon oxide in an amorphous state is dispersed within the porous carbon structure, and when the negative electrode active material particles are measured by solid-state <29>Si-CP/MAS-NMR, the negative electrode active material particles exhibit maximum signal intensity in a range of -81 ppm to -95 ppm. This provides a negative electrode active material capable of increasing the capacity thereof while maintaining battery characteristics.
Resumen de: WO2025111383A1
A cathode active material useful in an electrode and including a compound comprising a lithium transition metal oxide, a sodium transition metal oxide, a lithium transition metal oxyfluoride, or a sodium transition metal oxyfluoride. The compound has a cation disordered rocksalt (DRX) structure, and all of the cation sites of the DRX structure are occupied by a transition metal ion (M) that has one or more electrons in its d-shell. Further, the compound is comprised of large (micron-sized) particles.
Resumen de: WO2025109560A1
A metal air battery with an anode. As the anode changes diameter and/or thickness during use, rotating wheels or spring-mounted brushes move to compensate. Such a configuration permits anodes that are exceptionally thin to be efficiently utilized.
Resumen de: EP4815053A1
A positive electrode material composition and a preparation method therefor, a positive electrode, a sodium battery, and an electric device. The positive electrode material composition comprises at least two nickel-iron-manganese-based sodium battery positive electrode active materials; the nickel-iron-manganese-based sodium battery positive electrode active materials are physically mixed; and the mixture of the nickel-iron-manganese-based sodium battery positive electrode active materials also contains a Cu element and a Q element. The positive electrode comprises the positive electrode material composition, and the sodium battery comprises the positive electrode. The electric device comprises the sodium battery. The positive electrode material composition can improve the direct-current internal resistance stability of the battery cell of the battery in the charging and discharging process.
Resumen de: WO2025108837A1
The invention relates to a device (1) and a method for producing a composite body, having at least one functional layer, or for further use in the production of an electronic or optoelectronic component or a solid-state battery. The device (1) comprises a process chamber (3), a first material source (4) which is oriented towards a substrate (2) that can be received within the process chamber (3), and an energy beam source (5), wherein a first material stream (6) can be generated by means of the first material source (4), and an energy beam (7) can be generated by means of the energy beam source (5). Furthermore, the energy beam source (5) is aligned relative to the first material source (4) such that the first material stream (6) can be superimposed with the energy beam (7) in the vicinity (8) of the substrate (2) or in the region (9) where the first material stream (6) strikes the substrate (2), wherein a superimposition region (10) is defined.
Resumen de: EP4815010A1
0001 Provided are an electrode with high energy density per unit volume, and an electrode film, electrode, and power storage device capable of achieving a small-sized power storage device with high output density. 0002 With a composition containing at least an aggregate 20 of a composite 10 of graphene and carbon nanotubes and binder resin 21b, the aggregate 20 having a particle diameter of 1 µm to 20 µm, an electrode film having a film density of 0.6 g/cm<3> to 1.2 g/cm<3> is formed, and an electrode having this electrode film provided on a charge collector is used to configure a power storage device.
Resumen de: EP4813471A1
0001 A battery pack fire extinguisher is provided. The battery pack fire extinguisher includes a plurality of battery cells, a bottom case incorporating the battery cells, a top case coupled to the bottom case, having a mounting groove, and having a flame induction part at an outer side of the mounting groove, and a fire extinguishing patch attached to the mounting groove and incorporating a fire extinguishing agent.
Resumen de: EP4815062A1
0001 Provided is a secondary battery active material used as an active material for a secondary battery, the active material including at least any compound represented by General Formula (1), General Formula (2), General Formula (3), and General Formula (4), each including an oligomer in which a plurality of phenazine structures are bonded, or a salt thereof. Provided is a secondary battery comprising a positive electrode active material layer including a positive electrode active material, a negative electrode active material layer including a negative electrode active material, and an electrolyte, wherein the positive electrode active material or the negative electrode active material contains the above secondary battery active material.
Resumen de: EP4815140A1
This application discloses a battery pack and an electric device. The battery pack includes a cell assembly, a housing, a front cover, and an elastic member. The cell assembly is disposed in the housing. The front cover is connected to the housing. The elastic member and the cell assembly are arranged along a first direction, and along the first direction, one side of the elastic member is connected to the housing, and another side of the elastic member is connected to the cell assembly. The housing includes a top wall and a bottom wall, the top wall is connected to the front cover, the bottom wall is connected to the front cover, and a connection strength between the top wall and the front cover is greater than a connection strength between the bottom wall and the front cover, such that when the cell assembly swells, the swelling force acts on the elastic member, the elastic member applies the swelling force to the housing, and as time passes, the cell assembly continues to swell, and the elastic member is compressed to its limit and then breaks open the bottom wall, thereby buffering the pressure of the cell assembly, lowering the risk of pressure burst of the cell assembly, and improving the safety of the battery pack.
Resumen de: WO2025111550A1
Disclosed herein are lithium carbon composite materials and devices including at least one of lithium carbon composite materials. Also disclosed are reactors configured to receive lithium, lithium precursors, carbon, and/or carbon-containing precursors in a solid state, a vapor state, or a combination thereof. The reactors convert material states using a plasma torch as necessary in order to allow impregnation of lithium into pores of a carbon material.
Resumen de: EP4815154A1
0001 A battery cell (20), a battery (100), an electrical apparatus, and a production method for a battery cell (20). The battery cell (20) comprises a casing (22), an electrode assembly (23), an air-permeable valve assembly (212), and a protective component (213); the casing (22) is provided with an accommodating cavity (222); the casing (22) comprises a first wall (211); the first wall (211) is provided with a first surface (2111) and a second surface (2112) that face away from each other, the second surface (2112) faces the outside of the battery cell (20); a first vent hole (2113) is formed in the first wall (211); the first vent hole (2113) passes through the first surface (2111) and the second surface (2112); the electrode assembly (23) is accommodated in the accommodating cavity (222); the air-permeable valve assembly (212) is connected to the first wall (211) and covers the first vent hole (2113); the protective component (213) is detachably connected to the second surface (2112) and covers the air-permeable valve assembly (212). The detachable protective component (213) is provided to protect the air-permeable valve assembly (212), thereby reducing the possibility that foreign matter and impurities enter the air-permeable valve assembly (212) and impact the venting function during the production process of the battery cell (20), and improving the reliability of the air-permeable valve assembly (212).
Resumen de: EP4814178A1
0001 A nonwoven fabric of 30.0 µm or less in thickness, and of 0.50 or more in toughness value calculated as a product of a specific tensile strength and a square root of a tensile elongation. The present invention relates to a nonwoven fabric that has excellent mechanical characteristics while being a thin film, and provides a thin-film nonwoven fabric that is excellent in processability.
Resumen de: EP4815146A1
0001 A battery (1) and an electric device. The battery (1) comprises: a case body (200); battery cells (102), which are provided in the case body (200); a first heat exchange member (100), which is fitted to the outside of the case body (200); and a fixing member (25), which is provided on the case body (200), wherein the fixing member (25) is arranged close to at least one edge (100d) of the first heat exchange member (100), and is fastened and connected to the first heat exchange member (100) and the case body (200).
Resumen de: EP4815139A1
0001 The present application discloses a battery module, a battery pack, and an electric device. The battery module includes a housing, a battery cell assembly, and an elastic member. The housing is provided with a first space and a first opening. The battery cell assembly is disposed in the first space. The elastic member is disposed in the first space. The elastic member and the battery cell assembly are arranged along a first direction. The elastic member includes a base portion, a buffer portion, and a connection portion. The base portion is connected to the battery cell assembly, the buffer portion connects the connection portion and the base portion, and the elastic member is fixed to the housing. In a second direction, the connection portion includes a first extension portion extending beyond the base portion; and the first direction is perpendicular to the second direction. In the present application, the elastic member is fixed to the housing. After the battery module is disassembled, the battery cell assembly and the elastic member are still disposed in the first space, and the elastic member can still apply pressure to the battery cell assembly, which helps to reduce the situation of installation difficulties caused by reinstalling the battery cell assembly and the elastic member, facilitates overhauling and maintenance, and reduces influence on the continued use of the battery module.
Resumen de: EP4813634A1
0001 Provided is a pouch film including a sealant layer, an outer layer, and a barrier layer including aluminum, between the sealant layer and the outer layer, in which the number of air bubbles per unit area on a surface of the sealant layer ranges from 0.1 ea/mm<2> to 20 ea/mm<2>. The number of air bubbles is reduced, to prevent an electrolyte solution from being introduced or prevent the sealant layer from being cracked and to improve the structure stability after a molding process is performed when a battery cell is manufactured.
Resumen de: WO2025109025A1
An aerosol provision device (104) comprising a battery compartment (118) configured to receive a battery (120) for providing power to at least one electrical component of the aerosol provision device (104). The battery compartment (118) comprises an opening (126) which is closed by a gas-permeable element (124).
Resumen de: EP4815130A1
0001 Provide are a cap gasket and a battery cell employing the same that maintain sealing force without excessive deformation even after crimping process. The cap includes: a first gasket and a second gasket fastened to an axially outer side of the first gasket, The first gasket includes: a first radial extension; an axial extension extending axially outward from an outer radial end of the first radial extension; and one or more first fastening parts provided at an outer axial end of the axial extension. The second gasket includes: a second radial extension; and one or more second fastening parts provided at an axially inner side of an outer radial end of the second radial extension and fastened to the one or more first fastening parts in axial direction. The first fastening part and the first fastening part include a first hooking part and a second hooking part fastened to each other in radial direction, respectively.
Resumen de: EP4815143A1
Provided are an energy storage cabinet (100), an energy storage system, a battery pack (200), and a battery support. The energy storage cabinet (100) includes a cabinet body (110), a battery pack (200), and two guide rails (140) disposed opposite to each other in a length direction (X) of the cabinet body (110). The cabinet body (110) is configured to accommodate the guide rail (140) and the battery pack (200). The cabinet body (110) is provided with a cabinet door. The two guide rails (140) extend in a width direction (Y) of the cabinet body (110). Each of the two guide rails (140) is provided with a groove (141) extending in the width direction (Y), and openings of the grooves (141) are opposite to each other and face the cabinet body (110). An opening width that is of the groove (141) in a height direction (Z) of the cabinet body (110) and that is at one end of the guide rail (140) close to the cabinet door is greater than an opening width that is of the groove (141) and that is at the other end of the guide rail (140). Protruding limiting blocks (220) are disposed on surfaces of two side walls of the battery pack (200). The limiting blocks (220) are clamped into the groove (141). A portion that is of the groove (141) and at which the opening width narrows is configured to abut against the limiting block (220) in the width direction (Y). The guide rail (140) may provide a constraint in the width direction (Y) for the battery pack (200), to limit displacement of the battery
Nº publicación: EP4815043A1 30/09/2026
Solicitante:
PANASONIC IP MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd.
Resumen de: EP4815043A1
0001 Provided is a positive electrode for nonaqueous electrolyte secondary batteries that makes it possible to suppress deterioration of charge/discharge cycle characteristics even when a positive electrode mixture sheet has a low porosity. A positive electrode (11) is provided with a positive electrode core material (30) and a positive electrode mixture sheet (32) bonded to the surface of the positive electrode core material (30). The positive electrode mixture sheet (32) contains a fibrous binder and a conductive material-coated active material in which a conductive material is attached to the surface of the positive electrode active material. The porosity of the positive electrode mixture sheet (32) is 17.8-23.2%. The mode diameter of the positive electrode mixture sheet (32) obtained by a mercury intrusion method is more than 0.19 µm and less than 0.87 µm.
BOPI
Sede Electrónica
