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1568
resultados
Última actualización
08/11/2025 [07:55:00]
Resultados 500 a 525 de 1568
Resumen de: CN120419045A
The present disclosure describes a lead assembly for a battery. The battery includes a plurality of terminals associated with a plurality of battery cells. The lead assembly includes a plurality of leads, and each of the leads may be electrically coupled to one of the plurality of posts. The lead assembly also includes a lead assembly layer that may be physically coupled to the battery. The lead assembly layer has a first surface and a second surface opposite the first surface. At least a portion of each of the plurality of leads is located between the first surface and the second surface of the lead assembly layer or on the first surface of the lead assembly layer.
Resumen de: CN120500766A
A lead connection for coupling a first end of a lead (50) to a terminal post (18) and a bushing (22) of a battery is described. The lead connection includes a first weld seam (40, 42) including a bushing and a post welded to the bushing. The lead connection also includes a second weld (70, 72). The second weld includes a first weld and a first end of the lead. At least a portion of the first weld is distributed around and over the first end of the lead to electrically couple the first end of the lead to the bushing and the post.
Resumen de: EP4645470A1
Provided are composite particles that can improve flexibility of an electrode and can cause a secondary battery to display excellent battery characteristics. The composite particles are used in dry forming of an electrode for a secondary battery and contain an electrode active material and a binder. The composite particles have an area circularity of not less than 0.50 and not more than 0.93 and have a porosity of not less than 65% and not more than 80%.
Resumen de: EP4644928A1
A battery diagnosis apparatus according to an embodiment of the present disclosure includes a profile determination unit configured to determine a negative electrode profile of a battery by adjusting a reference positive electrode profile and a reference negative electrode profile to fit into a measured full-cell profile indicating a correspondence relationship between capacity and voltage of the battery; a loading amount calculation unit configured to calculate a negative electrode loading amount of the battery based on the negative electrode profile of the battery; and a condition diagnosis unit configured to compare a resistance of the battery with a preset resistance range and the negative electrode loading amount of the battery with a preset loading amount range, and diagnose a condition of the battery based on the resistance comparison result and the negative electrode loading amount comparison result.
Resumen de: EP4645576A1
A battery (1000) and an electric apparatus (2000) are provided. The battery (1000) includes: at least one battery pack (100), where each battery pack (100) includes: a plurality of battery rows (10), each battery row (10) includes a plurality of battery cells (11) arranged along a first direction, electrical connection portions of two adjacent battery cells (11) in each battery row (10) are connected by a first electrical connection member (30), and the plurality of battery rows (10) are arranged along a second direction; and an information collection member (20), where the information collection member (20) is disposed on one side of the plurality of battery rows (10) in a third direction, the third direction, the second direction, and the first direction are perpendicular to each other, and the information collection member (20) is electrically connected to a plurality of first electrical connection members (30) corresponding to at least two battery rows (10).
Resumen de: EP4645202A1
A server according to one embodiment disclosed herein includes a communication unit configured to receive first data including first identification information and physical property information of a battery cell from a first device included in a first process in a process of manufacturing the battery cell, and receive second data including second identification information of the battery cell from a second device included in a second process which differs from the first process, and a controller configured to identify the first data corresponding to the second data based on the first identification information and the second identification information, and transmit the first data to the second device.
Resumen de: EP4645646A1
A disclosed charge control method is a charge control method for a nonaqueous electrolyte secondary battery. The secondary battery includes a positive electrode, a negative electrode, a separator, and a nonaqueous electrolyte. The negative electrode is a negative electrode in which a lithium metal deposits on the negative electrode during charging and the lithium metal dissolves into the nonaqueous electrolyte during discharging. The secondary battery includes a spacer for forming a space between the positive electrode and the negative electrode. The charge control method includes: a normal charging step of charging the secondary battery based on a first charging profile; a determination step of determining whether predetermined data regarding the secondary battery has reached a predetermined value; and a recovery charging step of, when it is determined that the predetermined data has reached the predetermined value, charging the secondary battery based on a second charging profile as subsequent charging. An average charge current value in the second charging profile is smaller than an average charge current value in the first charging profile.
Resumen de: EP4645542A1
A resin battery module according to the present invention includes: a plurality of pouch type or prismatic type battery cells including a battery cell terminal; a circuit board; a bus bar that is electrically connected to the battery cell terminal of each of the plurality of battery cells and the circuit board; a fire-resistant plate that is disposed between at least one set of adjacent battery cells among a plurality of battery cells arranged in one direction; a pair of end plates that are provided on both end sides of the plurality of battery cells arranged in one direction, respectively; and a pair of side plates that are coupled with the pair of end plates to form a surrounding structure accommodating the plurality of battery cells, in which at least one of the fire-resistant plate and the pair of end plates is formed of a cured product of a thermosetting resin composition.
Resumen de: EP4645541A1
According to the present invention, there is provided a protective plate for battery cells that is disposed on at least a side surface of a battery cell in a battery module including a plurality of battery cells, in which the protective plate is formed of a cured product of a thermosetting resin composition, the thermosetting resin composition includes a thermosetting resin including at least one of a phenol resin, unsaturated polyester, a diallylphthalate resin, and an epoxy resin, and an inorganic fiber filler, and in the cured product of the thermosetting resin composition, a thermal conductivity is 20 W/m ·K or less and a retention rate of flexural modulus measured at in the following high-temperature exposure test is 75% or more and 100% or less.
Resumen de: EP4645534A1
A herein disclosed secondary battery 1 includes a case main body 10, a sealing plate 20, an electrode body 30, an electrolytic solution, and a spacer 40. This spacer 40 includes a pair of first wall parts 41 that are configured to be along first side surfaces 14a, 14b of the case main body 10, and includes a partition part 43 that is configured to extend along an opposed direction (a third direction Z) of the first side surfaces 14a, 14b so as to be disposed between the electrode body 30 and the sealing plate 20. Then, in this secondary battery 1, a liquid injection hole 22 and the partition part 43 are opposed while keeping a constant space between them, and a diffusion member 44 configured to diffuse the electrolytic solution, which is injected from the liquid injection hole 22, along the partition part 43 is provided on the partition part 43. In accordance with such a configuration, it is possible to supply the electrolytic solution to a wide range along the third direction Z, and thus it is possible to shorten a time required to osmose the electrolytic solution uniformly to an inside of the electrode body.
Resumen de: EP4645454A1
The present invention relates to the technical field of batteries, and specifically to a cathode material and a preparation method therefor and use thereof. A cathode material, including a cathode bulk and a coating layer coated on at least part of a surface of the cathode bulk, where a chemical formula of the cathode bulk is LiaNixCoyMnzMbO2, where 0.97≤a≤1.1, 0.5≤x<1.0, 0
Resumen de: EP4644316A1
The present specification relates to a method of preparing a positive electrode active material for a lithium secondary battery, and more particularly, to a positive electrode active material for a lithium secondary battery with excellent electrical conductivity and energy density, a preparation method thereof, and a positive electrode and a secondary battery including the same.
Resumen de: EP4645463A1
Positive electrode active materials for a rechargeable battery, methods for preparing the same, and rechargeable lithium batteries including the same are disclosed. A positive electrode active material includes a first particle including a compound represented by Chemical Formula 1, and a second particle including a compound represented by Chemical Formula 2. Here, the Mn content (e.g., amount) of Chemical Formula 2 is 1 to 5 times the Mn content (e.g., amount) of Chemical Formula 1 based on 100 mol% of transition metals (e.g., all metals excluding lithium).
Resumen de: EP4645435A1
Provided are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and for example, a positive electrode for a rechargeable lithium battery, including a current collector, a first positive electrode active material layer on the current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The first active material layer includes a first particle represented by Formula 1 and having the form of a single particle and a second particle represented by Formula 2, and the second positive electrode active material layer includes a third particle represented by Formula 3 and having the form of a secondary particle in which a plurality of primary particles are aggregated. The first particle is present in a greater content than the second particle.
Resumen de: EP4645579A1
A battery cell, a battery, and an electric device, relating to the technical field of batteries. The battery cell comprises a casing assembly and a core assembly; the casing assembly comprises a casing and a first pole arranged on the casing; the core assembly is accommodated in the casing and comprises conductive parts electrically connected to the first pole, and each conductive part comprises a plurality of tabs which are stacked, and gathered and connected; a plurality of conductive parts are electrically connected to the first pole, the first pole is provided with a plurality of through holes, and at least one conductive part respectively passes through each through hole.
Resumen de: EP4644286A1
The present invention relates to a battery transfer tray, particularly, the present invention provides a battery transfer tray including: an outer frame provided to accommodate a plurality of batteries; a support part protruding from a bottom surface of the outer frame and configured to provide a stepped portion with respect to the bottom surface of the outer frame; and an inclination unit comprising a first inclined part and a second inclined part and provided to buffer an impact due to collision between a roller conveyor and a roller when the roller conveyor moves, wherein the first inclined part is an inclined surface defined between a bottom surface of the outer frame and an end of the support part, and the second inclined part is an inclined surface that is inclined in a direction away from the first inclined part.
Resumen de: EP4645536A1
A pouch film laminate according to the present invention includes a first base material layer, a second base material layer, a gas barrier layer, and a sealant layer which are sequentially laminated, wherein a moisture content per unit weight of the pouch film laminate is 1,000 ppm or more, the second base material layer has a melting temperature of 240°C or higher, and the gas barrier layer has a thickness of 45 µm to 100 µm.
Resumen de: EP4645537A1
A pouch film laminate according to the present invention includes a first base material layer, a second base material layer, a gas barrier layer, and a sealant layer which are sequentially laminated, wherein the moisture content index of the second base layer, which is represented by the following Formula 1, is 17,000 ppm·g/cm3 or less. Moisture content index of second base layer = Moisture content (ppm) per unit weight of pouch film laminate× density (g/cm3) of pouch film laminate × thickness (µm) of pouch film laminate/thickness (µm) of second base layer
Resumen de: EP4645433A1
A positive electrode for a rechargeable lithium battery includes a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer. The first active material layer includes first particles that are an olivine structured compound, second particles that are a layered compound, a first conductive material, and a first binder. The second active material layer includes third particles that are an olivine structured compound, a second conductive material, and a second binder. The first particles are in the form of a single particle, and the third particles are in the form of secondary particles. The first binder and the first conductive material constitute a first functional additive, the second binder and the second conductive material constitute a second functional additive, and a ratio of a weight ratio of the second functional additive in the second active material layer to a weight ratio of the first functional additive in the first active material layer is about 1.0 to about 2.03.
Resumen de: EP4645487A1
Disclosed are composite substrates and rechargeable lithium batteries. The composite substrate includes a support layer, a first metal layer on a top surface of the support layer, and a second metal layer on a bottom surface of the support layer. At least one of the first metal layer and the second metal layer includes a first region to which a tab is configured to be attached, and a second region different from the first region. A ratio of surface roughness of the first region to surface roughness of the second region is in a range of 3.5 to 7.
Resumen de: EP4645477A1
The present application provides a positive electrode sheet, a battery, and an electric device. The positive electrode sheet of the present application comprises a positive electrode current collector and a positive electrode film layer provided on at least one surface of the positive electrode current collector, wherein the positive electrode film layer comprises a first positive electrode film layer provided on the surface of the positive electrode current collector and a second positive electrode film layer provided on the surface of the first positive electrode film layer. The first positive electrode film layer comprises a first positive electrode active material, and the second positive electrode film layer comprises a second positive electrode active material; and the first positive electrode active material comprises compound Li<sub>a</sub>A<sub>b</sub>Mn<sub>1-c</sub>B<sub>c</sub>P<sub>1-d</sub>R<sub>d</sub>O<sub>4-n</sub>D<sub>n</sub>, and the second positive electrode active material comprises compound Li<sub>x</sub>Ni<sub>y</sub>Co<sub>z</sub>M<sub>k</sub>Me<sub>p</sub>O<sub>r</sub>E<sub>m</sub>.
Resumen de: EP4645636A1
The present invention discloses a charging base station, a charger, and a cleaning system and a charging method and a standby method therefor. The charging base station includes a base station body and a charger. The base station body is provided with a placement portion, and the placement portion allows a cleaning device to be connected. The charger is configured to supply power to the cleaning device and has multiple output voltage levels. When the charger is in a standby state, a standby voltage of the charger is less than a preset working voltage of the charger. The charging base station, the charger, and the cleaning system and the charging method and the standby method therefor provided in the present invention can greatly reduce a standby power consumption of the device, and reduce the sparking risk occurring when a cleaning device is charged.
Resumen de: EP4645434A1
Examples of the disclosure include a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. Examples include a positive electrode for a rechargeable lithium battery including a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer. The first active material layer includes a first particle and a third particle, the second active material layer includes a first particle and a second particle, the first particle is in the form of a single particle, and the second particle is in the form of a secondary particle. The first particle and the second particle are olivine-based particles, and the third particle is a layered particle.
Resumen de: EP4645398A1
The present disclosure provides an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the electrode. The electrode includes an electrode active material layer, wherein the electrode active material layer includes an active material having a catecholamine-based compound-containing layer and a first binder having a catecholamine-based compound-containing layer.
Nº publicación: EP4645437A1 05/11/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4645437A1
Provided are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and a negative electrode for a rechargeable lithium battery including a negative electrode current collector, and a negative electrode active material layer on the negative electrode current collector, wherein the negative electrode active material layer includes a first active material layer, a second active material layer, and a third active material layer, which are sequentially stacked on the negative electrode current collector, the negative electrode active material layer includes a conductive material, and the second active material layer further includes silicon-containing particles.
BOPI
Sede Electrónica
