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1724
resultados
Última actualización
24/03/2026 [07:20:00]
Resultados 1225 a 1250 de 1724
Resumen de: EP4708510A1
The present disclosure discloses an energy storage cabinet, including: a cabinet body and a base for supporting the cabinet body; the cabinet body is provided with an accommodating space, and a battery is accommodated in the accommodating space; the base includes two first beams which are opposite in a first direction, and two second beams which are opposite in a second direction; each first beam includes a first supporting portion, a middle connecting portion and a second supporting portion which are sequentially connected in the second direction; one second beam is connected between the two first supporting portions which are opposite in the first direction; the other second beam is connected between the two second supporting portions which are opposite in the first direction; fork through holes are respectively formed in each first supporting portion and each second supporting portion; the fork through holes respectively formed in the first supporting portions define a first fork channel; the fork through holes respectively formed in the second supporting portions define a second fork channel; and the first fork channel and the second fork channel extend in the same direction.
Resumen de: EP4708557A1
A pouch cell manufacturing method of the present disclosure prevents the sealing quality of a pouch from being deteriorated by an electrolyte solution, by reducing the amount of the electrolyte solution staining the sealing portion of the pouch, and a pouch cell in which gas inside the pouch can be efficiently discharged to the outside of the pouch is provided. The pouch cell of the present disclosure includes: an electrode assembly; a pouch within which the electrode assembly is accommodated; and a gas discharge pipe that is disposed such that the gas discharge pipe extends from the inside of the pouch to the outside, in which gas inside the pouch can be transmitted through the gas discharge pipe and discharged to the outside of the pouch.
Resumen de: EP4707309A1
The present disclosure provides a method for producing a compound (A1) represented by the following formula (A1), the method including a step of reacting a compound (D) represented by the following formula (D) with a compound (E1) represented by the following formula (E1) in the presence of at least two types of lithium salts.(In formula (A1), R<sup>1</sup> is a hydrogen atom or a monovalent substituent, R<sup>3</sup> is a hydrogen atom or a monovalent substituent, Y is a halogen atom or a monovalent organic group having 1 to 20 carbon atoms, and X and R<sup>2</sup> satisfy the following (1) or (2):(1) X is a divalent organic group having 1 to 20 carbon atoms, and R<sup>2</sup> is a monovalent organic group.(2) R<sup>2</sup> and X are taken together to form a trivalent group.)
Resumen de: EP4707838A1
A method for diagnosing a battery according to one aspect of the present disclosure includes: generating a battery profile representing a relationship between a capacity and a voltage of the target battery for each predetermined number of charge cycles or discharge cycles; obtaining a negative electrode profile estimating a relationship between a negative electrode capacity and a negative electrode potential of the target battery based on the battery profile; obtaining a diagnostic factor value representing an available capacity per unit area of the negative electrode based on the negative electrode profile; and diagnosing a state of the negative electrode based on diagnostic factor values sequentially obtained as the charge cycle or the discharge cycle is repeated.
Resumen de: EP4706921A1
Provided is an electrode notching mold for a secondary battery. The electrode notching mold includes a cover portion including an upper plate and a lower plate, a cutting portion including a plurality of upper modules and a plurality of lower modules, which are spaced apart from and facing each other, and a plurality of cut portions in a press-fit space between modules, a plurality of ascending-descending portions configured to ascend or descend the upper plate, a plurality of guide portions connecting the plurality of upper modules to the plurality of lower modules, and a pressing portion configured to press-fit films.
Resumen de: EP4706844A1
Provided is a method of manufacturing a film notching mold (10) for a secondary battery pouch. The method includes processing each of an upper plate (101), a lower plate (102), a plurality of paired upper modules (130), a plurality of paired lower modules (140), a rounded press-fit plate (120), and an interference-fit portion (110) in a polyhedral frame shape in the form of a metal plate, coupling each of the upper plate (101), the lower plate (102), the plurality of paired upper modules (130), the plurality of paired lower modules (140), the rounded press-fit plate (120), and the interference-fit portion (110) by interference-fit, and performing linear driving-type pressing by forming a press-fit space.
Resumen de: EP4708524A1
A secondary battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate. A case accommodates the electrode assembly and includes a safety vent. A foaming agent is provided inside of the case, with the foaming agent being configured to generate gas for opening the safety vent.
Resumen de: EP4708544A1
Disclosed is a battery assembly. The battery assembly includes a case providing an inner space; a first battery array accommodated inside the case and including a plurality of battery cells stacked in a left and right direction; a second battery array accommodated inside the case and including a plurality of battery cells stacked in the left and right direction, the second battery array being stacked with the first battery array in the left and right direction; a first bus bar electrically connected to a front side of the first battery array and electrically insulated from the second battery array; and a second bus bar electrically connected to a front side of the second battery array and electrically insulated from the first battery array.
Resumen de: EP4708539A1
The present disclosure provides a separator, a preparation method thereof, and a secondary battery using the same. The separator comprises a substrate layer and a hybrid coating applied to at least one surface of the substrate layer. In parts by weight, the hybrid coating comprises 25 parts to 45 parts of a component A, 13 parts to 16 parts of a component B, and 6 parts to 8 parts of a binder. The component A is cellulose with a characteristic peak for a molecular chain spacing at 2θ of 10° to 35°, and the component B is at least one selected from the group consisting of an oxide, a ceramic fiber, and a metal-organic framework. Compared to the prior art, the separator provided by the present disclosure adopts the hybrid coating in which cellulose with a characteristic peak for a molecular chain spacing at 2θ of 10° to 35° is adopted as the component A and contents of the component A, the component B, and the binder are controlled within the above ranges. As a result, the present disclosure effectively enhances the heat resistance of the separator and guarantees the high safety of batteries even when used under extreme conditions.
Resumen de: EP4708488A1
The present disclosure may provide a battery module including a plurality of battery cells having a storage portion and a sealing portion, respectively, and configured to be stacked on each other, a module case configured to store the plurality of battery cells in an inner space, and a pressing member positioned to face at least one surface of a terrace portion where an electrode lead is located in the sealing portion of the battery cell, and configured to pressurize the terrace portion when internal pressure inside the battery cell increases.
Resumen de: EP4708461A1
The present technology provides a battery pack including a pack housing including a bottom plate with a first cooling channel and a top plate with a second cooling channel, and a battery assembly between the bottom plate and the top plate of the pack housing, in which the battery assembly includes a separation structure including a plurality of cell accommodation spaces separated from each other in a first direction, and attached to the top plate via an upper thermally conductive adhesive layer, a plurality of battery cells accommodated in the plurality of cell accommodation spaces of the separation structure, and extending in a second direction perpendicular to the first direction, respectively, and a heat dissipation fin configured to thermally couple at least one of electrode leads of the plurality of battery cells to the bottom plate.
Resumen de: EP4707234A1
A preparation method of a manganese iron phosphate precursor, a cathode sheet, and a lithium battery comprising: preparing the precursor based on a high-temperature calcination device. The high-temperature roasting furnace comprises a sprayer, a heater, and a particle size regulator. The method comprises: generating a manganese-containing solution from a manganese source and hydrochloric acid; generating an iron phosphate solution from an iron source, a phosphorus source, and hydrochloric acid; mixing the manganese-containing solution, iron phosphate solution, and dispersant to obtain a mixed solution; preheating the mixed solution; and transporting the mixed solution to the high-temperature roasting furnace; spraying and roasting the mixed solution in the high-temperature calcination furnace in the atmosphere of carrier gas, forming a powdered manganese iron phosphate precursor with at least two preset particle sizes; water washing and grinding, demagnetizing, and drying the manganese iron phosphate precursor to obtain the manganese iron phosphate precursor.
Resumen de: EP4708369A1
Provided is a secondary battery manufacturing system according to example embodiments of the present technology. The system includes a first controller configured to collect coordinate data, and a measuring device configured to collect measurement data of an electrode sheet, in which the measuring device is configured to relate the coordinate data with the measurement data to generate coordinate-related inspection data.
Resumen de: EP4708509A1
Embodiments of this application provide a connection plate of a battery, a battery, an electric apparatus, and a manufacturing method for a battery. The connection plate of a battery includes two first surfaces and a second surface. The two first surfaces are oppositely disposed along a thickness direction of the connection plate. The first surface is configured to be bonded to a battery cell via a binder. At least one first surface is provided with a first opening. The second surface connects the two first surfaces and the second surface is provided with a second opening, where the second opening is in communication with the first opening. Providing the first opening and the second opening allows a path to exist on the first surface of the connection plate facing the battery cell, the path being in communication with the second surface on a side of the connection plate. This enables injection of the binder through the second surface into the first surface, facilitating bonding of the first surface to the battery cell. This approach allows control over the amount of the binder used during bonding of the first surface to the battery cell, improving the accuracy of the amount of binder.
Resumen de: EP4708447A1
A battery ECU (300) calculates a gas generation amount (Vgo) generated in a case (S12), and calculates a gas permeation amount (Vgp) corresponding to an amount of leakage of the gas out of the case (S13). The battery ECU calculates an internal gas amount (Vg) that is a gas amount inside the battery, by subtracting the gas permeation amount (Vgp) from the gas generation amount (Vgo) (S14). Further, the battery ECU calculates an electrolyte solution permeation amount (Vep) corresponding to an amount of leakage of an electrolyte solution out of the case (S15), and calculates an internal void volume (Vc) that is a void volume inside the battery, by adding the electrolyte solution permeation amount (Vep) and an initial void volume (Vc0) (S16). Then, the battery ECU calculates a battery internal pressure (P) that is a pressure in the case, based on the internal gas amount (Vg) and the internal void volume (Vc) (S17).
Resumen de: EP4708393A1
An anode active material for a lithium secondary battery based on some embodiments of the disclosed technology includes composite particles that include: carbon-based particles including pores; and a silicon-containing coating formed on a surface of the carbon-based particles, wherein a weight increase start temperature of the composite particle, measured by thermogravimetric analysis (TGA) at a heating rate of 10 °C/min, is from 440 °C to 580 °C.
Resumen de: EP4707031A1
A battery system includes: a battery stack (150); a housing (101) that houses the battery stack (150) and that is installed in a vehicle; a first thermistor (102 to 112) that detects a first temperature of the housing (101); a second thermistor (114 to 120) that detects a second temperature in the housing (101); and a battery ECU (304) that compares a result of detection by the first thermistor (102 to 112) with a result of detection by the second thermistor (114 to 120) to determine whether a temperature increase in the battery stack is due to a change in an external environment of a battery pack (100) or due to a malfunction in a battery cell.
Resumen de: EP4708398A1
The present invention relates to a positive electrode active material comprising a lithium transition metal oxide in a form of a single particle, wherein the lithium transition metal oxide contains 60 mol% or more of nickel among total transition metals, wherein, when a pressure of 6,500 kgf/cm<sup>2</sup> is applied to the positive electrode active material, an amount of fine powder having a particle diameter of 1 µm or less is 10 vol% or less based on a total volume of the positive electrode active material after the applying the pressure, a method for preparing the positive electrode active material, and a positive electrode and lithium secondary battery including the positive electrode active material.
Resumen de: TW202508973A
A process of synthesizing a lithium lanthanum zirconium oxide (LLZO) powder may include mixing a lithium salt, water, and a precursor blend comprising a lanthanum precursor and a zirconium precursor to form a mixture. The process may include heating the mixture at low pressure to form a dried lithiated powder. The process may include calcining the dried lithiated powder to form a lithium lanthanum zirconium oxide powder. The LLZO powder may include a cubic garnet phase purity of greater than 95 wt%.
Resumen de: CN121039177A
The present invention relates to a composition in powder form comprising a polymer P1 comprising monomeric units derived from a vinylidene fluoride monomer M0 or monomeric units derived from a monomer M2 of formula R1R2C = C (R3) C (O) R wherein the substituents R1, R2 and R3 are selected independently of each other from H and C1-C5 alkyl; r is selected from-NHC (CH3) 2CH2C (O) CH3 or-OR ', wherein R' is selected from H and C1-C18 alkyl optionally substituted by one or more-OH groups or a five or six membered heterocycle comprising at least one nitrogen atom in its ring chain; or a mixture of M0 or M2 monomeric units; characterised in that the polymer P1 has a particle size distribution Dv99 of less than 89 mu m and a particle size distribution Dv10 of greater than 2.0 mu m.
Resumen de: MX2025013093A
Blended cathode active materials including an iron phosphate based active material and a nickel oxide based active material, and methods of manufacture, are described. The blended cathode active materials enable energy storage devices with improved performances, including but not limited to improved capacity retention and cycling lifetime.
Resumen de: AU2024275183A1
The present invention relates to a process for the concentration of lithium in metallurgical fumes wherein a metallurgical charge is smelted, thus obtaining a molten bath comprising a slag phase and optionally an alloy phase and fuming the lithium from the molten slag, by addition of a halogen intermediate, wherein the halogen intermediate is produced from the Li halide fumed from the molten slag. The halide is thus efficiently re-used in the process, while the lithium is recovered and isolated.
Resumen de: CN121038952A
A thermal barrier article includes a multilayer material including a first fabric layer disposed on a first side of a ceramic layer and a second fabric layer disposed on an opposite side of the ceramic layer. The thermal barrier article may also include an alternating arrangement of a plurality of fabric layers and ceramic layers. In each of these aspects, the thermal barrier article has sufficient flexural and thermal characteristics to withstand a flexural adjustment test and a pyrotechnic explosion test that has a temperature of at least 1200 DEG C and expels particles of non-solid mass.
Resumen de: CN121039820A
The present invention relates to a composition for preparing a positive electrode undercoat layer comprising a polyacrylic acid binder having a low molecular weight and carbon particles. The invention also relates to the use of said composition for producing a positive electrode and to a positive electrode which can be used for producing a rechargeable battery cell.
Nº publicación: EP4708527A1 11/03/2026
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4708527A1
An energy storage system includes a container having an accommodation space therein, at least one battery rack in the accommodation space inside the container, the at least one battery rack having a plurality of battery modules stacked thereon, an event detection device inside the container, at least one vent on an outer surface of the container, a nitrogen supply device that supplies nitrogen gas into the container, and a control unit electrically connected to the event detection device and the nitrogen supply device, the control unit driving the nitrogen supply device in response to the event detection device detecting an event.
BOPI
Sede Electrónica
