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829
resultados
Última actualización
29/12/2025 [07:08:00]
Resultados 25 a 50 de 829
Resumen de: EP4668442A1
The invention provides a battery box capable of being stacked layer by layer and a battery system. The battery box is configured as a box structure. Threaded holes are circumferentially formed in an upper portion of the battery box, and unthreaded screw mounting holes corresponding to the threaded holes are formed in a lower portion of the battery box. Screw fasteners penetrate through the unthreaded screw mounting holes of an upper battery box and the threaded holes of a lower battery box to fixedly connect the upper battery box and the lower battery box. A battery frame is eliminated, and the upper battery box is directly stacked on the lower battery box, such that the space utilization of battery boxes in the battery system is greatly increased, and a vehicle can be loaded with more batteries under the same volume; by adopting this technical solution, the cooling system can also exert a benefit effect on the tops of batteries, thus improving heat management efficiency; in addition, the technical solution facilitates connection of wires and water lines between the battery boxes.
Resumen de: CN120642116A
The invention relates to an assembly (1) for a battery holder, comprising a first structural element (10), a second structural element (20), internal engagement means (30), external engagement means (40) and an adhesive (50); the inner engagement means (30) and the outer engagement means (40) fix the first structural element (10) to the second structural element (20) by means of an adhesive (50) at the level of the first end (11) of the first structural element (10) and at the level of the second end (21) of the second structural element (20).
Resumen de: CN120660232A
The invention relates to an assembly (1) for a battery holder, comprising: a first structural element (10); a second profile (30) exhibiting a hollow cross-section internally delimiting an adhesive surface (s30), and a mating cavity (31); an engagement means (50) inserted into the mating cavity (31) and comprising at least one fixing hole (51), the engagement means (50) comprising an engagement surface (s50) facing the adhesive surface (s30) on the outside; an adhesive (20) interposed between the bonding surface (s50) and the adhesive surface (s30), the adhesive (20) being configured to allow adhesion between the bonding surface (s50) and the adhesive surface (s30); the fixing component (40) comprises a fixing rod (41) which is screwed into the fixing hole (51); the fixing member (40) and the engagement mechanism (50) are thereby configured to fix the first structural element (10) with the second profile (30).
Resumen de: CN120752150A
The invention relates to a battery (10) having a housing (2) and at least one module consisting of individual battery cells (4) which are inserted as a composite (11) into the housing (2), having at least one layer of thermally conductive glue (8) and having a structural package (7). The individual battery cell according to the invention is characterized in that the composite (11) of the individual battery cells (4) has an elastic, flexible sealing strip (12) in the stacking direction (S) between the stacked individual battery cells (4), via which sealing strip the sides of adjacent individual battery cells (4) are each kept at a distance from one another.
Resumen de: EP4668353A1
Cylindrically wound electrode assemblies and all-solid-state batteries including the electrode assembly are provided. The cylindrically wound electrode assembly includes a first solid electrolyte layer, a positive electrode layer, a second solid electrolyte layer, and a negative electrode layer. The first solid electrolyte layer, the positive electrode layer, the second solid electrolyte layer, and the negative electrode layer are sequentially arranged along a radial direction of the electrode assembly. The negative electrode layer includes a negative electrode substrate, and a first negative electrode coating layer between the negative electrode substrate and the second solid electrolyte layer. The negative electrode substrate includes a negative electrode support layer, a first negative electrode metal layer on a first surface of the negative electrode support layer, and a second negative electrode metal layer on a second surface of the negative electrode support layer. The negative electrode support layer includes a resilient polymer film.
Resumen de: EP4667125A1
A spent and/or decommissioned lead-acid accumulator treatment plant (60), comprising: a grinder device (14) configured to receive a plurality of spent and/or decommissioned lead-acid accumulators (12); and a plurality of separator devices (18); wherein said plant comprises an air pressurizing device (62) and at least one diffuser (64) configured to diffuse compressed air generated by the air pressurizing device (62) onto at least one of the output fractions (20, 22) of said at least separator device (18).A corresponding process.
Resumen de: EP4667406A1
Disclosed is a core for winding electrodes configured to allow an electrode to be wound therearound, the core including a ring-shaped first core having a first outer diameter, a ring-shaped second core having a second inner diameter greater than the first outer diameter, and a connection member connecting the first core and the second core to each other.
Resumen de: EP4668454A1
The present disclosure relates to a battery pack including: a plurality of battery cells; a pack case configured to accommodate the plurality of battery cells; and a blocking member having a module cover configured to cover an outer side of the battery cells, and configured to guide discharges released from the battery cell to an outer space of the module cover.
Resumen de: EP4668448A1
A battery cell (6), a battery (2), and an electric device. The battery cell (6) comprises a housing (20), an electrode assembly (10), a pressure relief mechanism (40), and a first insulating member (50), wherein the housing (20) comprises a wall portion (211); and the electrode assembly (10) is accommodated in the housing (20). The pressure relief mechanism (40) is arranged on the wall portion (211), and the pressure relief mechanism (40) comprises a pressure relief body (411) and a first weak portion (412) arranged around the pressure relief body (411), the pressure relief body (411) and the first weak portion (412) forming a first pressure relief area (41). At least part of the first insulating member (50) is arranged between the first pressure relief area (41) and the electrode assembly (10), the first insulating member (50) is provided with a first through hole (511), and in the direction of thickness of the wall portion (211), the projection of the first through hole (511) is located in the projection of the first pressure relief area (41).
Resumen de: EP4668457A1
Disclosed in the present application are a diaphragm and a manufacturing method therefor, and an electrode assembly, a battery cell, a battery and an electric device. The diaphragm comprises at least two layers of base membranes and at least one functional layer, wherein the functional layer is arranged between two adjacent base membranes, and the functional layer comprises a piezoelectric material. In the technical solution of the present application, the conductivity is increased, and the strength of the diaphragm is also improved by fixing the position of a piezoelectric material by means of two base layers of membranes and by means of the adhesion of a functional layer, which is sandwiched between the base membranes.
Resumen de: EP4668351A1
Provided are a carbon fiber electrode sheet, a lithium metal battery, a battery module, a battery pack, and an electric apparatus. The carbon fiber electrode sheet includes double layers of carbon fibers and a tab, and a lower part of the tab is disposed between the double layers of carbon fibers to form a tab extraction structure enveloped by the double layers of carbon fibers. By forming the tab extraction structure enveloped by the double layers of carbon fibers, the risk of the tab detachment due to unidirectional force application is reduced, and an electrolyte can contact the tab extraction structure only by passing through the double layers of carbon fibers, thereby reducing the risk that the electrolyte washes and erodes the tab extraction structure, and further enhancing the stability of connection between the tab and the carbon fibers.
Resumen de: EP4668400A1
This application provides an electrolyte solution, a battery cell, a battery, and a power consuming apparatus. The electrolyte solution includes a solvent. The solvent includes a first solvent. The first solvent is an organosiloxane compound. The content of the first solvent is greater than or equal to 20% of the total weight of the solvent.
Resumen de: EP4668443A1
An energy storage system according to an embodiment of the present disclosure may include a first battery module assembly and a second battery module assembly mounted on the first battery module assembly, wherein the first battery module assembly may include a module guide provided to guide the mounting with the second battery module assembly.
Resumen de: EP4668456A1
A coating slurry, a coated separator, a preparation method, and a battery. The main components of the coating slurry comprise a solvent and an adhesive polymer resin, wherein the weight proportion of the adhesive polymer resin in the slurry is 5-20 wt%; and the adhesive polymer resin comprises a combination of a PVDF-based adhesive resin polymer and a polyimide adhesive resin or comprises a combination of at least two polyimide adhesive resins, the mass ratio of the polyimide adhesive resin to the PVDF-based adhesive resin polymer or the mass ratio of the first polyimide adhesive resin to the second polyimide adhesive resin being 50-85:15-50. The separator has good heat resistance, high breakdown resistance and adhesive performance, such that the high safety performance and the cycling stability performance of a subsequently obtained lithium-ion battery are greatly improved.
Resumen de: EP4668379A1
The present invention relates to a method for manufacturing a pouch-type secondary battery, and more specifically, relates to a plasma treatment method capable of improving sealing insulation performance of a pouch, a method for manufacturing a secondary battery, and a manufacturing device thereof. According to one example of the present invention, it is possible to provide a pouch-type secondary battery comprising: an upper pouch case having a metal layer and in which a polypropylene coating layer is formed on the lower surface, wherein the polypropylene coating layer is plasma surface-treated; a lower pouch case having a metal layer and in which a polypropylene coating layer is formed on the upper surface, wherein the polypropylene coating layer is plasma surface-treated; and a battery cell having leads having a metal layer and in which polypropylene coating layers are formed on the upper and lower surfaces, and when the upper pouch case and the lower pouch case are sealed by heat fusion, the upper and lower surfaces of the leads are each heat-fused between the upper pouch case and the lower pouch case, and characterized in that in the pouch sheet, the plasma surface treatment is performed to the sealing region and a temporary adhesion region near the sealing region.
Resumen de: EP4668350A1
A secondary battery. The secondary battery comprises a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer. The negative electrode film layer is provided with a first surface close to the negative electrode current collector and a second surface arranged opposite to the first surface; and the thickness of the negative electrode film layer is denoted as H, a region from the first surface of the negative electrode film layer to a thickness range of 0 3H is denoted as a first region of the negative electrode film layer, and a region from the second surface of the negative electrode film layer to a thickness range of 0.3H is denoted as a second region of the negative electrode film layer. The first region comprises a first active material, the second region comprises a second active material, the first active material comprises a siloxy material, and the second active material comprises a silicon-carbon composite material.
Resumen de: EP4668365A1
A secondary battery includes an electrode assembly, and the electrode assembly includes a positive electrode plate. The positive electrode plate includes a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material and a positive electrode additive. The positive electrode active material includes a transition metal element, the transition metal element including one or more selected from the group consisting of Co, Ni, Mn, Fe, and V. The positive electrode additive is a nitrile-containing organic compound, a carbon-to-nitrogen atom number ratio of the positive electrode additive is m, where 1 ≤ m ≤ 6; a weight-average molecular weight of the positive electrode additive is Mw, where 300 ≤ Mw ≤ 800000; and based on a mass of the positive electrode active material layer, a mass percentage of the positive electrode additive is x%, where 0.01 ≤ x ≤ 0.50.
Resumen de: EP4668388A1
A secondary battery includes a case having an opening, an electrode assembly in the case, and a cap assembly configured to seal the opening of the case, the cap assembly including a cap-up exposed to an outside of the case, a vent plate between the cap-up and the electrode assembly, the vent plate being electrically connected to the cap-up, a cap-down between the vent plate and the electrode assembly, the cap-down being electrically connected to the vent plate and the electrode assembly, a first insulator between the vent plate and the electrode assembly, and a second insulator between the vent plate and the electrode assembly, the second insulator being spaced apart from the first insulator and being configured to support the vent plate.
Resumen de: EP4668382A1
The present invention relates to a battery cell pressurizing device and a battery cell manufacturing method using the same, and more specifically, relates to a battery cell pressurizing device uniformly pressurizing a battery cell, and a battery cell manufacturing method using the same.According to one example of the present invention, a battery cell pressurizing device may be provided, which comprises: a first end plate located on one side; a second end plate facing the first end plate to be located on the other side; a pressurizing plate moving and pressurizing the first end plate in a direction where the plurality of battery cells is laminated so that the plurality of battery cells arranged between the first end plate and the second end plate is pressurized; a first pressurizing member provided to pressurize the central portion of the first end plate through the pressurizing plate by pressurizing the central portion of the pressurizing plate; and a second pressurizing member and a third pressurizing member provided to pressurize, based on the center of the first end plate, one side portion and the other side portion, respectively.
Resumen de: EP4668531A1
Embodiments of this application provide a battery and a power consumption system. After the battery is connected to a load, to make full use of an available capacity of a cell group, a processor in the battery may determine an open-circuit voltage of the cell group or a state of capacity of the cell group. A DC-DC conversion circuit supplies power to the load in a first discharge mode or a second discharge mode based on the determined open-circuit voltage of the cell group or the determined state of capacity of the cell group. The first discharge mode is supplying power to the load based on a discharge curve of the cell group, the second discharge mode is supplying power to the load based on a first specified voltage, and the first specified voltage is within a working voltage range of the load.
Resumen de: EP4667396A1
An object loading facility of the present invention includes a loading device configured to adsorb an object disposed in a supply section and load the object in a loading section, wherein the loading device includes: a stator provided as an electromagnet and having a circular traveling path that sequentially passes through the supply section and the loading section; a mover that is repeatedly circulated between the supply section and the loading section by an interaction with magnetic fields generated in the stator; a loading part continuously passing through the supply section and the loading section together with the mover and provided with an adsorption plate configured to adsorb the object in the supply section and load the object in the loading section; and a pressing part configured to allow the loading part passing through the supply section to move toward the object so that the adsorption plate of the loading part is in close contact with the object.
Resumen de: EP4668372A1
The composition of the disclosure contains a conductive carbon material (A), an olefin resin (B), and an acrylic water-soluble polymer (C). The acrylic water-soluble polymer (C) has a structural unit derived from a (meth)acrylamide, and a structural unit derived from a vinyl monomer having at least one of a carboxy group or a hydroxy group. A content of the structural unit derived from a (meth)acrylamide is from 35% by mass to 95% by mass with respect to a total amount of the acrylic water-soluble polymer (C). A content of the structural unit derived from a vinyl monomer having at least one of a carboxy group or a hydroxy group is from 5% by mass to 65% by mass with respect to the total amount of the acrylic water-soluble polymer (C).
Resumen de: EP4668467A1
A battery cell, a battery, and an electric apparatus are provided. The battery cell includes a housing, an electrode assembly, and a conductive member. The housing is provided with an electrode lead-out member. The electrode assembly is accommodated in the housing. The electrode assembly is a cylindrical wound structure. The electrode assembly includes a first electrode plate, where the first electrode plate includes a current collector and an active material layer, the current collector includes a coated region coated with the active material layer and a tab not coated with the active material layer, and the coated region and the tab are arranged along a first direction. The conductive member includes a conductive body and a bent portion, where at least a portion of the conductive body is connected to the tab to form a first connection region, the bent portion is configured to be electrically connected to the electrode lead-out member, the bent portion extends from an end of the conductive body away from the active material layer and is continuously bent multiple times, and in the first direction, the bent portion entirely extends beyond an end of the tab away from the coated region.
Resumen de: EP4668381A1
An electrode assembly according to an embodiment of the present disclosure may include a plurality of electrodes stacked on top of each other; a plurality of separators interposed between the plurality of electrodes; and a plurality of electrode tabs connected to the plurality of electrodes and protruding further outward than the plurality of separators. Each separator may include an edge portion that protrudes further than the electrode in the extension direction of the electrode tab and partially overlaps with the electrode tab in the stacking direction of the plurality of electrodes. The edge portions of at least some of the plurality of separators may be sealed to each other so that the plurality of electrode tabs are gathered together.
Nº publicación: EP4668356A1 24/12/2025
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4668356A1
The present application relates to a positive electrode sheet, a preparation method therefor, a secondary battery and an electric device, the positive electrode sheet includes a positive electrode current collector, at least a side of the positive electrode current collector is provided with a positive electrode active material layer, at least a side of the positive electrode active material layer is provided with a lithium compensation layer, the positive electrode active material layer includes lithium iron phosphate, and the lithium compensation layer includes a ternary material. At least a side of the positive electrode active material layer of the positive electrode sheet above is provided with the lithium compensation layer containing the ternary material, irreversible lithium compensation can be performed on a negative electrode sheet, and a loss amount of lithium ions in the positive electrode active material layer is effectively reduced during charge and discharge cycles, thereby delaying capacity attenuation of a secondary battery to prolong its cycle life.
BOPI
Sede Electrónica
