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1435
resultados
Última actualización
22/01/2026 [07:22:00]
Resultados 175 a 200 de 1435
Resumen de: EP4683083A1
Disclosed is a battery pack, including: a casing (100), the casing (100) having an exhaust channel (400); multiple cells (210), the multiple cells (210) being all disposed in the casing (100), and the gas discharged from the cell being adaptable to be discharged out of the casing (100) through the exhaust channel (400); an intercepting structure (300), disposed in the exhaust channel (400), the intercepting structure (300) having an intercepting surface (310), the intercepting surface (310) being configured to intercept particles mixed in the gas discharged from the cell.
Resumen de: EP4683033A1
Disclosed is a battery module, and a battery pack and a vehicle including the same. The battery module includes a battery cell stack in which a plurality of battery cells are stacked; a case in which the battery cell stack is accommodated; and a cooling member disposed between the plurality of battery cells, wherein the battery cells include only a first battery cell having electrode leads respectively formed at both sides thereof, or include only a second battery cell having both electrode leads formed at one side thereof.
Resumen de: EP4682111A2
This application provides a positive active material, a positive electrode plate, an electrochemical energy storage apparatus, and an apparatus. The positive active material is LixNiyCozMkMepOrAm or LixNiyCozMkMepOrAm whose surface is provided with a coating layer. The positive active material is secondary particles, and a particle size Dn10 of the positive active material satisfies: 0.5 µm≤Dn10≤3 µm. In this application, particle morphology of the positive active material and the amount of micro powder in the positive active material are properly controlled, to effectively reduce side reactions between the positive active material and an electrolyte, decrease gas production of the electrochemical energy storage apparatus, and improve storage performance of the electrochemical energy storage apparatus without deteriorating energy density, cycle performance and rate performance of the electrochemical energy storage apparatus.
Resumen de: EP4682112A2
This application provides a positive active material, a positive electrode plate, an electrochemical energy storage apparatus, and an apparatus. The positive active material is LixNiyCozMkMepOrAm or LixNiyCozMkMepOrAm whose surface is provided with a coating layer. The positive active material is secondary particles, and a particle size Dn10 of the positive active material satisfies: 0.5 µm≤Dn10≤3 µm. In this application, particle morphology of the positive active material and the amount of micro powder in the positive active material are properly controlled, to effectively reduce side reactions between the positive active material and an electrolyte, decrease gas production of the electrochemical energy storage apparatus, and improve storage performance of the electrochemical energy storage apparatus without deteriorating energy density, cycle performance and rate performance of the electrochemical energy storage apparatus.
Resumen de: EP4682969A1
Disclosed are a negative electrode for a lithium secondary battery, a lithium secondary battery including the same, and a method for manufacturing the lithium secondary battery. A negative electrode active includes a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector, the negative electrode active material layer has a long axis in a first direction, the negative electrode active material layer includes first negative electrode active material layers spaced apart from each other in a second direction that crosses the first direction and a second negative electrode active material layer between respective ones of the first negative electrode active material layers, and a ratio of a specific capacity of the first negative electrode active material layer to a specific capacity of the second negative electrode active material layer is 0.75 to 0.95.
Resumen de: EP4682985A2
The present application discloses a positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery and a battery module, a battery pack and an apparatus related thereto. The positive electrode active material includes a lithium nickel cobalt manganese oxide, the molar content of nickel in the lithium nickel cobalt manganese oxide accounts for 60% - 90% of the total molar content of nickel, cobalt and manganese, and the lithium nickel cobalt manganese oxide has a layered crystal structure of a space group R 3m; a transition metal layer of the lithium nickel cobalt manganese oxide includes a doping element, and the local mass concentration of the doping element in particles of the positive electrode active material has a relative deviation of 20% or less; and in a differential scanning calorimetry spectrum of the positive electrode active material in a 78% delithiation state, an initial exothermic temperature of a main exothermic peak is 200°C or more, and an integral area of the main exothermic peak is 100 J/g or less.
Resumen de: EP4683063A1
The present disclosure relates to a battery including: an electrode assembly; and a housing configured to store the electrode assembly and having a crimping portion configured such that an end around an opening formed on one side thereof is bent inward, wherein a recessed portion may be formed on a bent end of the crimping portion so as to be at least partially recessed inward.
Resumen de: GB2642786A
An easily-demolded high-insulation low-corrosion condensed aerosol fire extinguishing agent and a preparation method therefor. Strontium nitrate and potassium nitrate are jointly used as an oxidizing agent, and molybdenum disulfide, niobium diselenide, etc. are used as additives, for mixing, bonding, granulation, and compression with other raw materials so as to obtain a condensed aerosol fire extinguishing agent; and a sprayed substance of the condensed aerosol fire extinguishing agent has the advantages of high insulation and low corrosion. The additives added in the condensed aerosol fire extinguishing agent can cause relative slippage during grain demolding to form a hydrophobic slippage plane, so that a lubricating effect is achieved, the agent is prevented from absorbing moisture in air, and the problems that the condensed aerosol fire extinguishing agent containing strontium nitrate is prone to moisture absorption and failure, and is difficult to demold in compression molding are solved; and the storage requirements of the condensed aerosol fire extinguishing agent are reduced, and the compression process is simplified.
Resumen de: EP4683166A1
The present application provides a temperature control method for an energy storage supercharging equipment, which is applied to a thermal management system. The thermal management system is respectively connected with an energy storage battery, a bidirectional ACDC, a DCDC, and a liquid-cooling charging cable in the energy storage supercharging equipment. The method includes, according to operating states of the energy storage supercharging equipment, determining a to-be-monitored object and obtaining temperature parameters thereof, in which the to-be-monitored object includes at least one of the energy storage battery, the bidirectional ACDC, the DCDC, and the liquid-cooling charging cable; and according to the temperature parameters, controlling the temperature of the to-be-monitored object. According to the operating state of energy storage supercharging equipment, temperature control can be carried out for the energy storage battery, bidirectional ACDC, DCDC, and liquid-cooling charging cable in a unified manner, so as to reduce overall cost and improve temperature control efficiency.
Resumen de: EP4683025A1
A method of manufacturing a secondary battery is provided wherein efficiency of a secondary battery manufacturing process is improved and the secondary battery is more structurally stable. The method of manufacturing a secondary battery includes providing a secondary battery, injecting an electrolyte into the secondary battery, activating the secondary battery into which the electrolyte is injected, and applying ultrasonic waves to the electrolyte in the secondary battery.
Resumen de: EP4682974A2
An anode according to embodiments of the present disclosure includes an anode current collector, a first anode active material layer which is disposed on at least one surface of the anode current collector, and includes a first silicon-based active material and a first binder including a first rubber-based binder and a first cellulose-based binder. The anode includes a second anode active material layer which is disposed on the first anode active material layer, and includes a second silicon-based active material and a second binder including a second rubber-based binder and a second cellulose-based binder. A weight ratio of the first cellulose-based binder to the first rubber-based binder in the first binder is lower than a weight ratio of the second cellulose-based binder to the second rubber-based binder in the second binder.
Resumen de: EP4683165A1
The present disclosure provides a liquid-cooling temperature control method, an integrated storage and charging device, and a computer-readable storage medium. A specific implementation of the method includes: when the energy storage battery has a heating demand, if the energy storage battery is in the charging state, controlling heat generated by the bidirectional ACDC to heat the energy storage battery; when the energy storage battery has the heating demand, if the energy storage battery is in the discharging state, controlling heat generated by the DCDC and the charging cable to heat the energy storage battery. This method can mitigate energy waste.
Resumen de: EP4683082A1
A battery pack according to certain embodiments of the present disclosure comprises: at least one battery module including a plurality of battery cells; a pack frame that is opened at its upper part and houses at least one of the battery modules; and a pack cover that covers the opened upper part of the pack frame; wherein a venting part for discharging a venting gas is formed on an upper surface of the battery module, and wherein the battery module includes a protrusion part that protrudes upward from the upper surface of the battery module.
Resumen de: EP4683043A1
An electric battery unit comprises an array of battery cells (2) immersed, within a container (4) of the battery unit (1), in a flow of a temperature-regulating fluid, for keeping the battery unit within a specified temperature range. Each cell (2) has a positive pole (3P), a negative pole (3N) and a vent valve (V) arranged on a side surface (2C) of the cell, facing a side wall (4A) of the container (4). All the positive poles (3P), all the negative poles (3N) and all the vent valves (V) of the cells (2) are contained within three respective side chambers (CP, CN, CV) of the battery unit (1) that are isolated from each other and are isolated with respect to the spaces (7) between the cells (2). Each of the side chambers (CP, CN, CV) communicates with an inlet collector chamber (5) and an outlet collector chamber (6). An additional side chamber (CE) permanently communicates with the inlet collector chamber (5) and is also configured to communicate with the side chamber (CV) containing the vent valves (V) via at least one passage normally obstructed by a separator element (F). The separator element (F) is configured to melt and/or break and/or deform as a result of a rise in temperature and/or pressure due to hot gases escaping from one or more vent valves (V) when one or more cells enter thermal runaway conditions. Thus, an additional flow of the temperature-regulating fluid is supplied within the side chamber (CV) containing the vent valves (V).
Resumen de: EP4683042A1
L'invention concerne un véhicule automobile électrique ou hybride comportant un bac de batterie (1) comprenant une batterie (2), ledit véhicule comportant un dispositif chauffage-ventilation-climatisation (3) et un conduit (4) reliant ledit dispositif chauffage-ventilation-climatisation (3) et ledit bac de batterie (1), caractérisé en ce que ladite batterie (2) comporte une partie supérieure (2a) et une partie inférieure (2b), le bac de batterie (1) comportant un premier passage d'air au-dessus de la partie supérieure (2a), un deuxième passage d'air entre la partie supérieure (2a) et la partie inférieure (2b) et un troisième passage d'air en dessous de la partie inférieure (2b), ledit conduit (4) comportant une trappe (5) et un ventilateur (6).
Resumen de: EP4683436A1
Disclosed is a PCB including a boss hole formed in a hole shape configured to fix the PCB, wherein an electrical pattern is disposed along an inner side surface of the boss hole. Consequently, it is possible to utilize conventional PCBs without any change and to secure the allowable current as energy density increases even in increasingly constrained physical and spatial environments.
Resumen de: EP4683086A1
The present disclosure relates to a battery pack including: a plurality of battery cells; and a pack case having a plurality of accommodation spaces configured to respectively accommodate battery cells obtained by dividing the plurality of battery cells, at least one of the plurality of accommodation spaces having a venting portion configured to discharge venting gas released from the battery cell to the outside of the accommodation space, and a venting path configured to be in communication with the venting portion.
Resumen de: EP4683085A1
The present disclosure relates to a battery pack including: a pack case having an inner space formed therein and a venting path configured to communicate the inner space and the outer space; and a battery module accommodated in the inner space of the pack case and including a plurality of battery cells, a module case configured to accommodate the plurality of battery cells and having a venting hole formed to discharge venting gas generated from the battery cell to the outside, and an opening/closing member configured to open and close the venting hole and cause the venting hole to communicate with the venting path when opened.
Resumen de: EP4683049A1
Embodiments of the present application provide a case, a battery cell, a battery, and a power consuming apparatus. The case includes a first case portion and a second case portion. An opening is formed in the first case portion. The first case portion includes a first wall opposite to the opening and a second wall connected to the first wall. The first wall and the second wall are integrally formed. The second case portion is fixedly connected to the second wall. In a depth direction of the first case portion, at least a portion of regions of the case is jointly formed by the first case portion and the second case portion. According to the case, the battery cell, the battery, and the power consuming apparatus in the embodiments of the present application, a risk of cracking of the case can be reduced.
Resumen de: EP4682996A1
The present application discloses a capacity compensation additive and a preparation method therefor, as well as a positive electrode plate, a battery and an electrical apparatus. The capacity compensation additive includes a capacity compensation agent and a catalyst-containing carbon material, and the catalyst-containing carbon material is coated on at least a portion of a surface of the capacity compensation agent.
Resumen de: EP4682979A1
A method for preparing a positive electrode material, a positive electrode material, a positive electrode plate, a battery, and an electric apparatus are provided. The method for preparing a positive electrode material includes: mixing a precursor lithium manganese iron phosphate, a carbon source, and a source of a doping element in a solvent, drying, and sintering to obtain a positive electrode material. The positive electrode material includes a core and a coating layer coating the core; the core includes LiMn<sub>x</sub>Fe<sub>1-x</sub>PO<sub>4</sub>, where 0 < x < 1; the coating layer includes carbon and a doping element; and the doping element includes one or more of Group IIA elements, Group IIIA elements, Group IVA elements, and transition metal elements. The method reduces the powder resistivity and specific surface area of the positive electrode material, and improves the gram capacity and cycling performance of a battery.
Resumen de: EP4682990A1
A method for preparing a positive electrode material, a positive electrode material, a positive electrode plate, a battery, and an electric apparatus are provided. The method includes: mixing a lithium source with a phosphoric acid solution to obtain a first mixture; mixing the first mixture with manganese hydrogen phosphate, an iron source, and an optional source of an M element to obtain a second mixture; and drying and sintering the second mixture to obtain a lithium manganese iron phosphate positive electrode material; where the M element includes one or more of transition metal elements other than manganese and iron, Group IIA metal elements, Group IIIA metal elements, Group IVA metal elements, and Group VIIA elements. The method reduces side reaction gases and by-products, increases the compacted density of the positive electrode material, lowers the resistivity of the positive electrode material, and improves the specific capacity and rate performance of a battery.
Resumen de: EP4683076A1
An energy storage box (100) and an energy storage apparatus. The energy storage box (100) comprises a box body (10), wherein the box body (10) defines a mounting space (11), mounting beams (12) are provided in the mounting space (11) and located at the top of the mounting space (11), the mounting beams (12) are fixed to the box body (10), and a bottom wall (13) of the mounting space (11) and the mounting beams (12) are opposite each other and spaced apart in the direction of height of the energy storage box (100), the bottom wall (13) of the mounting space (11) being of a plate-shaped structure; and mounting columns (20), wherein the mounting columns (20) are arranged in the mounting space (11), two ends of each mounting column (20) respectively being fixedly connected to one mounting beam (12) and the bottom wall (13) of the mounting space (11).
Resumen de: EP4682980A1
A precursor material, a method for preparing the precursor material, a positive electrode material, a method for preparing the positive electrode material, a positive electrode plate, a battery, and an electric apparatus. The precursor material includes a compound MnxFeyM(1-x-y)HPO4·nH2O, where 0.9 ≤ x+y < 1,0 < x ≤ 0.9, 0 < y ≤ 0.9, 0 ≤ n ≤ 6, and M includes one or more of transition metal elements other than manganese and iron, Group IIA metal elements, Group IIIA metal elements, and Group IVA metal elements. The precursor material has a uniform distribution of elements and good batch consistency, and a prepared positive electrode material has a uniform distribution of elements and good batch consistency, improving the specific capacity and cycling performance of a battery.
Nº publicación: EP4682964A1 21/01/2026
Solicitante:
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc
Resumen de: EP4682964A1
An electrical energy storage device (100) disclosed herein includes an electrode body (20) including a positive electrode (22) and a negative electrode (24). The negative electrode (24) includes a negative electrode current collector (24c) and a negative electrode active material layer (24a). When the negative electrode active material layer (24a) is divided into two virtually in a thickness direction (T), in which a region that is close to the negative electrode current collector (24c) is a lower layer region (A1) and a region that is far from the negative electrode current collector (24c) is an upper layer region (A2), the content of a sodium element in the lower layer region (A1) is lower than the content of the sodium element in the upper layer region (A2).
BOPI
Sede Electrónica
