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882
resultados
Última actualización
31/12/2025 [07:15:00]
Resultados 25 a 50 de 882
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: 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: MX2025007007A
The present invention relates to a zinc electrode (100) on which a solid metallic zinc layer (300) is electrodeposited, an electrochemical cell and a method for zinc electrodeposition in the electrochemical cell. According to the invention, a zinc electrode (100) is provided, wherein the zinc electrode (100) comprises a current collector material (200) on which a zinc layer (300) is electrodeposited, wherein the zinc layer (300) appears as compact solid metal, comprises a boulder-like and/or layerlike microstructure, and is adherent with a compact porosity.
Resumen de: CN120419069A
The invention relates to a system having at least one first receiving device (2a) for receiving at least one first rechargeable battery (4a), the at least first rechargeable battery comprising a temperature sensor (7) for measuring at least one temperature value of the rechargeable battery, at least the first receiving device comprises charging means (13) for charging the rechargeable battery with electrical energy, cooling means (14) for cooling the rechargeable battery, and heating means (15) for heating the rechargeable battery.
Resumen de: EP4668525A1
The invention discloses a battery pack control method in a mixed storage state based on light intensity, which includes step S1: detecting the status of multiple energy storage battery packs in real time. When it is in the standby state, it goes to step S2. When it is in the charging state, it goes to step S3, when it is in the discharge state, go to step S4, when it is in the simultaneous charge-discharge state, go to step S5; Step S2: When it is in the standby state: detect the lighting situation, and compare the structure with the current light intensity coefficient value and the set threshold. Adjust the circuit parameters; Step S3: Work in Buck mode when charging; Step S4: Work in Boost mode when discharging; Step S5: When in charge-discharge state, proceed according to the output-input power difference. Adjustment; Step S6: Return to step S1 and cycle through multi-energy storage battery control. This new energy power generation control method can enable the battery pack in mixed storage to safely, stably, quickly and efficiently collect and store new energy.
Resumen de: CN120693737A
There is provided a method of manufacturing a battery module, the method including: preparing a case configured to accommodate a plurality of battery cells therein; filling the housing with a curable resin composition; and curing a portion of the curable resin composition to form the capping member, in which the curable resin composition comprises a silicone-based polymer, a curing catalyst, a crosslinking agent, and a hollow filler, the curable resin composition has a curing rate of 10 mPa.s/min to 70 mPa.s/min at 23 DEG C, and the curing rate of the curable resin composition is 10 mPa.s/min to 70 mPa.s/min at 70 DEG C, and the curing rate of the curable resin composition is 10 mPa.s/min to 70 mPa.s/min. The curable resin composition has a curing rate of from 400 mPa * s/min to 2000 mPa * s/min.
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: 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: 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: 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: 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: EP4668472A1
An end cover assembly, an energy storage apparatus (100), and method for mounting and positioning an end cover assembly are provided. The end cover assembly includes an end cover (1) and a current-collector disk (2). The end cover (1) is provided with an explosion-proof valve (11) and defines a liquid-injection hole (12). The liquid-injection hole (12) is spaced apart from the explosion-proof valve (11). The current-collector disk (2) is coaxial with the end cover (1). The current-collector disk (2) includes a main body portion (21). The main body portion (21) defines a groove (22) on a surface of the main body portion (21) positioned facing towards the end cover (1). The groove (22) extends from a center of the main body portion (21) to an edge of the main body portion (21) in a radial direction of the main body portion (21). The main body portion (21) is provided with a visual identification portion (25). The visual identification portion (25) has a visual identification characteristic different from a region of the main body portion (21) other than the visual identification portion (25). The liquid-injection hole (12) is configured for alignment of the end cover (1) and the current-collector disk (2) through the visual identification portion (25).
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.
Resumen de: EP4668533A1
An access method of a parallel branch in a battery system, a battery management system, a device, and a storage medium are provided. The method includes: detecting a to-be-accessed branch of a battery (S110), when the detection succeeds, acquiring a voltage difference between an accessed branch of a battery system and the to-be-accessed branch, and when the voltage difference satisfies a first preset range, accessing the to-be-accessed branch to the battery system (S120).
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: EP4667415A1
The present invention relates to a silicon carbon composite, a negative electrode active material comprising same, a negative electrode composition, a negative electrode, a lithium secondary battery, a battery module, and a battery pack, the silicon carbon composite having, in a <sup>29</sup>Si-MAS-NMR spectrum, a peak A within a chemical shift value range of 20 ppm to -15 ppm, a peak B within a chemical shift value range of -20 ppm to -100 ppm, and, in a <sup>29</sup>Si-MAS-NMR spectrum, a peak C within a chemical shift value range of -110 ppm to -140 ppm.
Resumen de: EP4668386A1
Disclosed are a pressing apparatus for secondary battery formation capable of monitoring pressing force in real time such that pressing for formation can be performed while monitoring the contact area between a pressing plate and a battery in real time in order to solve a problem in which lithium is precipitated due to a change in pressing uniformity because the contact area of the battery is not confirmed during a formation process, which is one of secondary battery manufacturing processes, and a pressing method thereof.
Resumen de: EP4668364A1
The present invention relates to a positive electrode for a lithium secondary battery, a method of manufacturing the same and a lithium secondary battery comprising the same.
Resumen de: EP4668407A1
The present application belongs to the technical field of batteries, and particularly relates to an laminated battery cell, a secondary battery and an electrical apparatus. The laminated battery cell provided by the present application comprises a positive electrode sheet, a negative electrode sheet and a separator, the separator comprising a separator body; the separator body comprises a side surface facing the negative electrode sheet, the side surface being provided with a side edge, and at least part of the side edge being provided with an adhesive film layer; the adhesive film layer is arranged in a first direction and/or a second direction of the plane where the separator body is located, so as to form an accommodation area, the negative electrode sheet being located in the accommodation area. The laminated battery cell helps to improve the safety of batteries.
Resumen de: EP4669043A1
A power distribution apparatus (30), a battery (1), and a power consuming device are provided. The power distribution apparatus (30) includes an electrical component (31) and an insulating heat conduction member (32). One side of the insulating heat conduction member (32) is connected to at least a part of the electrical component (31), the other side of the insulating heat conduction member (32) is configured to be connected to a heat exchange member (40), and the insulating heat conduction member (32) is configured to transfer heat from the electrical component (31) to the heat exchange member (40). According to the power distribution apparatus (30), heat is conducted between the electrical component (31) and the heat exchange member (40) through the insulating heat conduction member (32), thereby enhancing the heat dissipation performance and the heat dissipation efficiency of the power distribution apparatus (30) for the electrical component (31), reducing the risk of thermal failure of the electrical component (31), and prolonging the service life of the electrical component (31) and the power distribution apparatus (30).
Resumen de: EP4668412A1
The present invention relates to a method of discharging a battery cell (2), comprising mixing the battery cell (2), a liquid coolant (3) and metal fragments (4) such that electrode contacts of the battery cell (2) are immersed in the liquid coolant (3). The metal fragments (4) have an area-to-volume ratio in the range of 2 to 11 mm<sup>-1</sup> and a thickness in the range of 0.1 to 0.5 mm.
Nº publicación: EP4668352A1 24/12/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4668352A1
The present invention relates to a positive electrode for a secondary battery, a lithium secondary battery comprising the same and a method of manufacturing the same.
BOPI
Sede Electrónica
