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1455
resultados
Última actualización
14/08/2025 [07:17:00]
Resultados 825 a 850 de 1455
Resumen de: EP4596500A2
A cathode active material for a lithium secondary battery according to embodiments of the present disclosure includes a lithium-transition metal oxide including a transition metal including nickel (Ni). A molar ratio of lithium to elements except for lithium and oxygen in the lithium-transition metal oxide is 1.04 to 1.08, and a molar fraction of cobalt (Co) in the transition metal is 0.05 or less. A lithium secondary battery including the cathode active material for a lithium secondary battery and having improved structural stability and charge/discharge efficiency is provided.
Resumen de: EP4597613A1
A positive electrode active material includes: (a) a first positive electrode active material, including a layered lithium nickel-manganese-based composite oxide, in a form of secondary particles in which a plurality of primary particles are agglomerated; and (b) a second positive electrode active material, including a lithium-manganese-rich composite oxide, in which a molar ratio of lithium to a total metal content of the lithium-manganese-rich composite oxide excluding lithium is about 1.1 to about 3 and a manganese content based on 100 mol% of a total metal content of the lithium-manganese-rich composite oxide excluding lithium is greater than or equal to about 60 mol%, the second positive electrode active material being in a form of single particles. Also disclosed are a positive electrode and a rechargeable lithium battery, each using the positive electrode active material.
Resumen de: EP4597653A1
The present disclosure belongs to the technical field of battery production. Disclosed are an assembly apparatus, an assembly method and a battery production line. A driving device is provided on a frame. The driving device drives the rotating of a rotary table which is at least partially arranged on the driving device. Carrier assemblies are provided on the rotary table to rotate along with the rotary table; at least three carrier assemblies are arranged at intervals in the circumferential direction of the rotary table, the carrier assemblies being used for carrying battery cells; at least one of the carrier assemblies is located at a loading position, at least one of the carrier assemblies is located at an unloading position, and at least one of the carrier assemblies is located at a pressure application position, the loading position being located on the side of the pressure application position away from the direction of rotation of the rotary table, and the unloading position being located on the side of the pressure application position facing the direction of rotation of the rotary table. A pressure application assembly provided on the frame is used for applying pressure to the battery cells carried by the carrier assemblies located at the pressure application position, thereby assembling a plurality of corresponding battery cells. Loading, pressure application, and unloading can be carried out without interfering each other, improving the working efficiency of the ass
Resumen de: EP4597605A2
The disclosure relates to an electrolyte, a lithium ion battery, and an electricity-consumption device. The electrolyte includes a borate-based additive. A mass fraction w1 of the borate-based additive in the electrolyte satisfies 0.01% ≤ w1 ≤ 2%.
Resumen de: GB2637678A
The invention relates to a directly cooled battery module (100) comprising at least one module casing (40) and a plurality of battery cells (10) arranged within the module casing (40). The module casing (40) encloses the plurality of battery cells (10) at least in some regions, and the battery cells (10) has a vertical axis (20) and first and second end faces (16, 18), which are mutually spaced in the direction of the vertical axis (20), and are arranged successively in the form of a cell packet (38) in a stacking direction (26) which is transverse to the vertical axis (20). The battery module also comprises a fluid supply device (50) with at least one inlet opening (54), which conducts a cooling liquid (60) to the battery cells (10) when operated as intended, and at least one outlet opening (56) for freely discharging the cooling liquid (60) out of the module casing (40) and/or the cell packet (38) and into the surroundings of the module casing (40), in particular into a battery housing (210) when arranged in a battery housing (210) as intended. The invention additionally relates to a battery (200) comprising at least one directly cooled battery module (100).
Resumen de: EP4596302A1
A distribution box, a battery pack, and a vehicle. The distribution box includes a box body, a positive circuit, a negative circuit, a circuit breaker, and a heat dissipation apparatus. The positive circuit is arranged inside the box body. The positive circuit includes a first conductive connection member and a second conductive connection member. The negative circuit is arranged inside the box body. The negative circuit includes a third conductive connection member and a fourth conductive connection member. A first positive terminal of the circuit breaker is connected with an end of the first conductive connection member. A second positive terminal of the circuit breaker is connected with an end of the second conductive connection member. A first negative terminal of the circuit breaker is connected with an end of the third conductive connection member. A second negative terminal of the circuit breaker is connected with an end of the fourth conductive connection member. The heat dissipation apparatus is arranged at a heat dissipation opening of the box body. In the distribution box of the present disclosure, the circuit breaker is used, which reduces a quantity of components and devices in the distribution box and reduces manufacturing costs. Through use of the heat dissipation apparatus, heat dissipation of the components and devices in the distribution box can be accelerated through the heat dissipation opening, thereby increasing a service life of the components and devic
Resumen de: EP4597625A1
The disclosure relates to an electrolyte, a battery, and an electricity-consumption device. The electrolyte includes a lithium salt and a first additive. The first additive includes a cyclic compound containing two sulfonate groups, and a mass fraction w1 of the first additive in the electrolyte satisfies 0.01% ≤ w1 ≤ 2%.
Resumen de: EP4596730A1
A method for recovery of valuable metals according to the present disclosure comprises the steps of: (S1) leaching a sulfate solution from waste battery material; (S2) adding a phosphorus compound to the sulfate solution to precipitate aluminum phosphate; and (S3) isolating the aluminum phosphate from the sulfate solution through solid-liquid separation, wherein the sulfate solution contains metal sulfate at a concentration of 90 g/L or higher.
Resumen de: EP4597598A1
Examples of this disclosure include a negative electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the same. The negative electrode for the rechargeable lithium battery includes a current collector, a negative active material layer, and a binder layer between the current collector and the negative active material layer, wherein the negative active material layer has a surface roughness of about 2 µm to about 8 µm.
Resumen de: WO2025134064A1
The invention relates to a method (12) for manufacturing a cell for a secondary battery, the method comprising: • - a first operation (O1) of moving a stacking table, wherein the movement is carried out in a first direction of movement; • - a second operation (O2) of unrolling a separator film onto the stacking table, wherein the separator film comprises a first electrode previously positioned thereon; • - a third operation (03) of moving the stacking table in a second direction of movement, opposite the first direction of movement; • - a fourth operation (04) of depositing a second electrode onto the separator film, wherein the second electrode is of opposite polarity to the first electrode; • - a fifth operation (05) of moving the stacking table in the first direction of movement.
Resumen de: EP4597730A2
A battery pack may include a plurality of battery cells arranged in an array and a plurality of bus bars. Each bus bar of the plurality of bus bars may be configured to electrically couple a pair of battery cells in series by attaching to a positive terminal of a first battery cell and a negative terminal of a second battery cell. Each bus bar of the plurality of bus bars may include at least one bypass structure configured to be electrically coupled to a bypass wire. When the bypass wire is electrically coupled to a pair of bus bars, the bypass wire enables at least one battery cell of the plurality of battery cells to be bypassed.
Resumen de: EP4597689A1
A battery temperature adjustment system includes: a temperature adjustment device (800) adjusts a temperature of a power storage device (100); and a processor (301). A setting mode of the temperature adjustment device (800) includes: a first mode that is a setting in which, in response to a travel route including a charging facility, the temperature is adjusted within a first temperature range suitable for charging at a time of arrival at the facility; and a second mode that is a setting in which, in response to receiving a predetermined operation for adjusting the temperature within a second temperature range suitable for charging or traveling, the temperature is adjusted within the second temperature range. The processor (301) controls the temperature adjustment device (800) to adjust the temperature according to the setting mode; and when the setting mode is the first mode, give priority to the second mode in a case where the predetermined operation is received.
Resumen de: EP4597734A1
A busbar assembly according to one embodiment of the present disclosure comprises: a busbar that includes a body portion containing a bent portion, and end portions extending from both ends of the body portion and having a through hole formed therein; an insulating layer that is insert-injection molded to surround the body portion, and a cap that surrounds the end portion.
Resumen de: EP4596308A1
A battery temperature adjustment system includes: a temperature adjustment device (800) adjusts a temperature of a power storage device (100); and a processor (301). A setting mode of the temperature adjustment device (800) includes: a first mode in which, in response to a travel route of includes a charging facility, the temperature is adjusted within a first temperature range suitable for charging at a time of arrival at the facility; and a second mode in which, in response to receiving a predetermined operation for adjusting the temperature within a second temperature range suitable for charging or traveling, the temperature is adjusted within the second temperature range. The processor (301) controls the temperature adjustment device to (800) adjust the temperature according to the setting mode; and when the setting mode is the first mode, rejects the predetermined operation and maintain the first mode in a case where the predetermined operation is received.
Resumen de: EP4597616A1
Disclosed is a method for preparing a chalcogenide/sulfur cathode for an alkali metal secondary battery, where sulfur and/or other chalcogenide and/or mixtures represents both active mass and removable template/ porogen, otherwise defined as glass/amorphous/polymer sulfur wafer where the content of active mass is defined by the glassy sulfur and porosity is dictated by the crystalline phase template, with the steps of growing a chalcogenide/sulfur wafer, comprising tailored content of glass/polymeric and crystalline allotropes, from a mother liquid via a suitable growth process, having a specific presence/gradients/areal distribution of crystalline to glassy/polymeric allotropes, and removing the crystalline allotropes-template/porogen of chalcogenide/sulfur from the chalcogenide/sulfur glass-crystalline wafer by immersing it in a suitable solvent, creating a defined porosity within the wafer by etching crystalline phase out from glass-crystalline wafer-like cathode and leaving 3D glassy/polymeric chalcogenide/sulfur where in a further incubation stage due the meta-stability of glass/polymer allotrope a transition into more preferably gamma monoclinic sulfur with trace amounts of glass/polymer allotropes is created, crosslinked with graphene based and or other suitable co-monomer or co-monomers and or capping agents.
Resumen de: EP4597615A1
Disclosed herein provides a positive electrode for lithium secondary battery including: a positive electrode current collector; a self-temperature control layer disposed on one or both sides of the positive electrode current collector, but disposed to cover a portion of the positive electrode current collector; and a positive electrode active material layer disposed on: an exposed positive electrode current collector region not covered by the self-temperature control layer; and the self-temperature control layer, wherein the self-temperature control layer includes a positive temperature coefficient (PTC) material.
Resumen de: EP4597661A1
Die Erfindung betrifft eine Energiespeichereinheit (10) aufweisend: eine Elektroden-Separator/Elektrolyt-Einheit (12), wobei die Elektroden-Separator/Elektrolyt-Einheit (12) dazu eingerichtet ist, elektrische Energie aufzunehmen und/oder abzugeben, wobei die Elektroden-Separator/Elektrolyt-Einheit (12) zumindest ein erstes Begrenzungselement (18) aufweist, wobei das erste Begrenzungselement (18) zumindest teilweise eine Außenseite (16) der Elektroden-Separator/Elektrolyt-Einheit (12) ausbildet, wobei die Energiespeichereinheit (10) eine Verbindungseinheit (20) aufweist, wobei die Verbindungseinheit (20) an dem ersten Begrenzungselement (18) angeordnet ist, wobei die Verbindungseinheit (20) dazu eingerichtet ist, eine Volumenänderung der Elektroden-Separator/Elektrolyt-Einheit (12) zu folgen.
Resumen de: EP4597660A2
A manufacturing arrangement to rechargeable battery cell formation and aging processes according to the invention has rooms (2, 3, 4) for the formation process and for the aging process. The arrangement has also testing devices (8A, 8B, 8C, 8D, 8E, 8F) The rooms and test devices being situated on a floor (9). The arrangement further comprises a mezzanine floor (10) above the floor. On the mezzanine floor there is at least one linear robot system (11). The arrangement further comprises conveyors (14) on the mezzanine floor (10). Each of said rooms (2, 3, 4) has interfaces (15) being in a functional connection to at least one of the conveyors (14) in order to transport the rechargeable battery cells. The mezzanine floor has also openings (16). On the floor (9), the arrangement further comprises elevator conveyors (17) being in functional connection with the opening (16) in order to transfer the rechargeable battery cells from the mezzanine floor to the floor.
Resumen de: EP4597614A1
The present invention relates to: a negative electrode for an all-solid-state battery; and an all-solid-state battery comprising the negative electrode. More specifically, the present invention comprises: a pre-lithiated silicon negative electrode; a positive electrode; and a sulfide-based solid electrolyte disposed between the negative electrode and the positive electrode, wherein an interfacial layer is included between the solid electrolyte and a negative electrode active material.
Resumen de: EP4596474A1
A method for coating deviation correction, comprising: acquiring a first distance and a second distance, wherein the first distance is a distance from the edge of a coating area on a first surface of an electrode sheet substrate to a reference edge, and the second distance is a distance from the edge of a coating area on a second surface of the electrode sheet substrate to the reference edge; and determining a target deviation correction amount in the coating process on the basis of the first distance, the second distance, and at least one preset deviation correction amount. According to the method, the target deviation correction amount can be determined with high efficiency and accuracy. Also disclosed are a device for coating deviation correction and a computer readable storage medium.
Resumen de: EP4597722A2
The present disclosure relates to a separator for secondary batteries, the separator including: a porous substrate layer; and a fusion layer laminated to a preset fusion thickness on at least one area of one or both surfaces of the porous substrate layer and including polymer particles having a glass transition temperature higher than or equal to 30 °C or lower than or equal to 90 °C, an electrode assembly including the same, and a method of manufacturing the electrode assembly.
Resumen de: EP4597597A1
A coating deviation correction method, comprising: acquiring a plurality of first distances and a plurality of second distances, wherein each of the plurality of first distances is the distance between the edge of a coating area on a first surface of an electrode sheet substrate and a reference edge, each of the plurality of second distances is the distance between the edge of a coating area on a second surface of the electrode sheet substrate and the reference edge, and the plurality of first distances and the plurality of second distances are obtained by sampling multiple times in one sampling period; and determining a target deviation correction amount in the coating process on the basis of the plurality of first distances, the plurality of second distances, and the at least one preset deviation correction amount. The method can effectively improve the performance of batteries. The present invention further relates to a coating deviation correction device.
Resumen de: EP4597658A1
Provided is a battery cell material recycling apparatus. The battery cell material recycling apparatus includes a first vacuum belt conveying mechanism and a second vacuum belt conveying mechanism. The first vacuum belt conveying mechanism has a first feed end and a first discharge end opposite to each other in a conveying direction of the first vacuum belt conveying mechanism. The second vacuum belt conveying mechanism has a second feed end and a second discharge end opposite to each other in a conveying direction of the second vacuum belt conveying mechanism. The second feed end is located above the first discharge end. A guide roller is disposed below the second discharge end. The guide roller is movable back and forth in the conveying direction of the second vacuum belt conveying mechanism. A battery cell material accommodated within the material receiving region in a zigzag stacked manner still does not experience excessive tension force. Thus, the problem of breakage can also be effectively avoided. Therefore, use of the battery cell material recycling apparatus in the present solution ensures the continuity of the battery cell material recycling process, improves an efficiency of the recycling operation, and eliminates a potential risk of breakage.
Resumen de: EP4597659A1
A secondary battery including an electrode assembly 110 formed by winding a positive electrode sheet, a negative electrode sheet, and a separator interposed therebetween; a cylindrical can 130 configured to accommodate the electrode assembly; and a cap assembly 150 coupled to an open upper portion of the cylindrical can. The cap assembly includes a cap-up 151 having an upwardly protruding structure, a safety vent 153 disposed below the cap-up while surrounding an outer circumference of the cap-up, and a gasket 155 for sealing between the cap assembly and the cylindrical can. The gasket includes a side surface surrounding outer circumferential surfaces of the cap-up and the safety vent and includes an upper portion bent inwardly to cover a peripheral upper side of the cap-up.
Nº publicación: ES3033513A1 05/08/2025
Solicitante:
CONSEJO SUPERIOR DE INVESTIG CIENTIFICAS CSIC [ES]
Consejo Superior de Investigaciones Cient\u00EDficas (CSIC)
BOPI
Sede Electrónica
