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1103
resultados
Última actualización
22/09/2025 [07:06:00]
Resultados 950 a 975 de 1103
Resumen de: US2024166830A1
A hydrophilic porous polymer film is disclosed that is particularly well-suited for use in an electrolysis cell producing hydrogen. The porous polymer film contains one or more high-density polyethylene polymers in combination with one or more hydrophilic additives. The porous film can be formed through a gel extrusion process or through sintering. Extremely thin films can be produced that have desired permeability characteristics, hydrophilicity characteristics, and mechanical characteristics necessary for use in the cell.
Resumen de: WO2024097156A1
The present disclosure relates to vapor deposition systems and methods. In one embodiment, a drum for vapor deposition is provided. The drum includes a shell having gas slits and a cooling drum. The cooling drum includes an exterior region, an interior region, a first fluid channel partially defined by the exterior region and the interior region, and a first inlet. The first fluid channel forms a helical channel around a central axis of the cooling drum. The first inlet is in fluid communication with a first outlet by the first fluid channel.
Resumen de: AU2023372351A1
A battery charging apparatus configured to charge at least one battery includes a battery charger configured to generate a DC charging current, a cable coupling the battery charger to the at least one battery and configured to supply DC charging current to the at least one battery, a first transceiver coupled between the battery charger and the cable, and at least one second transceiver coupled between the cable and the at least one battery, wherein each of the first transceiver and the at least one second transceiver is configured for bidirectional communication of data over the cable using chirp spread spectrum signal modulation.
Resumen de: EP4614594A1
The present invention relates to an anode active material, a preparation method therefor and a lithium secondary battery comprising same, the anode active material comprising at least one metal-containing particle, wherein the ratio (r<sub>2</sub>/r<sub>1</sub>) of the radius (r<sub>1</sub>) of the anode active material to the length (r<sub>2</sub>) of the longest linear line for connecting a center point of the anode active material and a distal end of the center point of the anode active material of the metal-containing particle positioned at the farthest distance is 0.8-0.95.
Resumen de: EP4613788A1
The present invention relates to a copolymer, and a slurry composition, a separator, and a secondary battery each comprising same, wherein the copolymer comprises: an acrylonitrile-based monomer unit, an acrylate-based monomer unit, an acrylic acid-based monomer unit, a vinyl acetate-based monomer unit, and a cyclic monomer unit including cyclopentyl, cyclohexyl, cyclooctyl, tetrahydrofuran, furan, dioxane, or a combination thereof.
Resumen de: EP4614617A1
The present application provides a positive electrode active material, a preparation method therefor, a secondary battery, and an electrical apparatus. The chemical formula of the positive electrode active material is LiaNixCoyM1-x-yO2, where M comprises one or more of Mn, Al, B, Zr, Sr, Y, Sb, W, Ti, Mg and Nb, 0.55≤x≤1.0, 0≤y≤0.45, 0.8≤a≤1.2, the positive electrode active material being a hollow structure, and the inner diameter d1 of the hollow structure being 0.3 µm-5 µm.
Resumen de: EP4614596A1
This application provides a positive electrode material, a positive electrode plate, a secondary battery, and an electric apparatus. The positive electrode material includes a phosphate-based positive electrode material and a ternary positive electrode material, and the positive electrode material satisfies the following relational expression 1:0.032
Resumen de: EP4613711A1
Disclosed a method for treating sulfate in an industrial process, the method comprising the steps of: a) contacting a first solution containing metal sulfate, preferably transition metal sulfate, with a second solution containing potassium hydroxide, whereby obtaining: a.a first precipitated material comprising metal hydroxide and b. a third solution containing potassium sulfate; b) recovering the third solution; c) providing a salting-out agent, preferably containing at least one of a source of potassium hydroxide and a source of ammonia; d) adding the salting-out agent to and mixing with the third solution, whereby obtaining: a. a second precipitated material comprising potassium sulfate and b. a fourth solution containing the salting-out agent; and e) recovering the second precipitated material and the fourth solution.
Resumen de: EP4614695A1
The present disclosure refers to a battery system (100) including at least one battery cell stack (10, 10') having a plurality of battery cells (12) accommodated in a compartment (16). At least one compensator (20) is located at an end (13) of a respective battery cell stack (10, 10') wherein the at least one compensator (20) includes a flexible membrane (22) coupled to a membrane carrier (26) to define a variable volume (24) that is filled with a fluid. The at least one compensator (20) is configured to expand in response to the fluid pressure rising in the flexible membrane (22) and contract in response to the fluid pressure reducing in the flexible membrane (22). One among at least one compensator (20) is positioned at the end (13) of the at least one battery cell stack (10) to exert a pressing force on the at least one battery cell stack (10).
Resumen de: EP4614758A1
A battery pack arrangement (30) comprising: a battery pack (31) comprising a plurality of battery cells (33) arranged in a battery pack housing (35); a battery pack service unit (40) for managing the battery pack (31), the battery pack service unit (40) being arranged in a service unit housing (42) arranged remotely of the battery pack housing (35); a communication link (50) arranged between the battery pack housing (35) and the service unit housing (42) for enabling the battery pack service unit (40) to communicate with the battery pack (31); and a power cable or power rail (60) arranged between the battery pack housing (35) and the service unit housing (42) for enabling transmission of a high voltage current between the battery pack (31) and the service unit (40). The battery pack service unit (40) comprises at least a first contactor (44) configured to disconnect the battery pack (31) from a load and/or a power source (10).
Resumen de: EP4613524A1
The present invention relates to a device (100) for adapting a temperature of an energy storage unit (90) of a vehicle (300), comprising: a first element (1) thermally couplable to the energy storage unit (90), and a second element (3) thermally couplable to a surrounding (350) of the vehicle (300), wherein the first element (1) is coupled to the second element (3) to allow an energy transfer between the surrounding (350) of the vehicle (300) and the energy storage unit (90) via the first element (1) and the second element (3).
Resumen de: EP4614716A1
The present invention relates to an electrode assembly set including a connecting part that electrically connects a plurality of electrode assemblies inside a pouch to each other, and is movable according to a change in volume of each of the electrode assemblies to be capable of being prevented from being damaged.The electrode assembly set according to an embodiment of the present invention may include a plurality of electrode assemblies which include a plurality of negative electrodes, positive electrode, and separators, and a connecting part which electrically connects the electrode assemblies to each other, wherein the connecting part includes a plurality of folding parts, each of which has a portion folded at a predetermined angle, and the predetermined angle is changed so as to allow the electrode assembly to move.
Resumen de: EP4614660A1
An electronic device according to an embodiment of the present disclosure may comprise: a battery cell; a battery pouch for sealing the battery cell, the battery pouch including a reception part in which the battery cell is disposed and a first sealing part bent to face the battery cell and including at least one groove; an electrode terminal including a first electrode tab connected to a positive plate of the battery cell to be drawn out through the first sealing part and a second electrode tab connected to a negative plate of the battery cell to be drawn out through the first sealing part; and a protection circuit module which includes at least one electronic device, is disposed at the first sealing part in such a manner that the electrode device is positioned at the groove of the first sealing part, and is connected to the electrode terminal.
Resumen de: EP4614657A1
In an electronic device including a battery, according to one embodiment of the present specification, the battery comprises a battery stack and a battery receptor for accommodating the battery stack, wherein the battery stack comprises a plurality of electrode layers and a plurality of separation layers arranged between the plurality of electrode layers, the plurality of electrode layers comprise a plurality of outer electrode layers and a plurality of inner electrodes arranged between the plurality of outer electrode layers, the plurality of outer electrode layers include an active material arranged on respective inner surfaces thereof, the plurality of outer electrode layers include pressing patterns arranged on respective outer surfaces thereof, and the battery receptor is in physical contact with the pressing patterns, and accommodates the battery stack so as to continuously apply force to the battery stack in the height direction.
Resumen de: EP4614650A1
The present invention relates to an electrolyte additive, an electrolyte including the electrolyte additive, and a secondary battery including the electrolyte. According to the present invention, by forming a stable film on the cathode and anode of various lithium secondary batteries including high-nickel, Si-anode, LFP, lithium-manganese-rich (LMR) batteries or cobalt-free batteries, side reactions may be prevented from occurring inside a battery, and charge/discharge resistance may be reduced, thereby improving charging efficiency and output. In addition, even when stored for a long time under high-temperature conditions, the increase in battery resistance may be suppressed, and gas generation due to decomposition of electrolyte components may be significantly suppressed. Thus, long-term lifespan and high-temperature capacity retention may be excellent. In addition, by suppressing the increase in acidity of an electrolyte and inhibiting the elution of transition metal ions from a cathode by effectively scavenging hydrofluoric acid among side reaction products due to the instability of a high-nickel cathode, a secondary battery having excellent battery characteristics and lifespan may be provided.
Resumen de: EP4614593A1
Provided are a cathode active material, a method of preparing the same, and a secondary battery including the same, the cathode active material including a lithium nickel-based transition metal oxide particle including 96 mol% or more of nickel, not including manganese, including from 400 ppm to less than 1,000 ppm of titanium (Ti) substituted at transition metal sites within a crystal structure, and including a concentration gradient region in which respective concentrations of aluminum (Al) and cobalt (Co) atoms each change from a surface of the particle toward a center of the particle, and wherein, in the concentration gradient region, an absolute value (A) of a slope of the cobalt atom concentration change and an absolute value (B) of a slope of the aluminum atom concentration change satisfy A > B.
Resumen de: EP4613713A1
Provided are a method for producing a positive electrode active material for a sodium secondary battery including: a) feeding a composite transition metal hydroxide precursor and a first cobalt compound to a reactor and forming a second cobalt compound on a surface of particles of the composite transition metal hydroxide precursor; and b) mixing the composite transition metal hydroxide precursor having the second cobalt compound formed on the surface of the particles and a sodium compound and then performing a heat treatment to produce a sodium manganese-based oxide doped with cobalt (Co), wherein the sodium manganese-based oxide includes at least nickel (Ni), manganese (Mn), and cobalt (Co), and contains 55 mol% or more of manganese in all metals other than sodium, a positive electrode active material for a sodium secondary battery, and a positive electrode and a sodium secondary battery including the positive electrode active material.
Resumen de: EP4614605A1
Provided are a positive electrode active material for a sodium secondary battery including: a sodium manganese-based oxide which includes at least sodium (Na), nickel (Ni), and manganese (Mn) and contains 55 mol% or more of manganese in all metals other than sodium, wherein the sodium manganese-based oxide is a secondary particle formed by agglomeration of at least one primary particles, and a surface and an inside of the secondary particles are doped with cobalt (Co), a method for producing the positive electrode active material, and a positive electrode and a sodium secondary battery including the positive electrode active material.
Resumen de: WO2024184011A1
The invention relates to a method for determining an electrical property (18) of at least one battery cell (14) of an electrical energy storage device (12) for an at least partially electrically powered motor vehicle (10) by means of a battery management system (16) for the electrical energy storage device (12), comprising the steps of: - predefining a stiffness model (26) for the battery cell (14) depending on the electrical property (18) by means of an electronic computing device (20) for the battery management system (16); - detecting an actual stiffness (24) of the battery cell (14) by means of a detection device (22) for the battery management system (16); - comparing the actual stiffness (24) with the stiffness model (26) by means of the electronic computing device (20); and - determining the electrical property (18) depending on the comparison by means of the electronic computing device (20). The invention also relates to a computer program product, a computer-readable storage medium, and a battery management system (16).
Resumen de: CN120226227A
A battery management system (BMS) removably connectable to at least one of a battery and an accessory is described. The accessory may be operated by the BMS. The BMS includes processing circuitry configured to: determine a first plurality of functions associated with the BMS and a second plurality of functions associated with the accessory based on BMS information and accessory information, respectively; determining at least one mode of operation based on at least one parameter associated with the battery, the first plurality of functions, and the second plurality of functions; and operating at least one of the BMS and the accessory based on the determined at least one operation mode.
Resumen de: EP4614174A1
Embodiments of the present disclosure provide a short circuit early-warning method and apparatus for an energy storage battery. The method includes: clustering analysis is performed on a U-Absolute Change (UAC) of a battery cell, and a U-Baseline Change (UBC) of the battery cell is calculated according to the UAC of each clustering center; a training set is constructed according to the UBC, and the training set is partitioned into a plurality of training subsets using a locality-sensitive hashing table; an early-warning neural network model is respectively trained according to the plurality of training subsets, and an early-warning threshold of each training subset is respectively calculated; and short circuit early-warning is performed on a battery cell according to the early-warning neural network model and the early-warning threshold and in conjunction with battery cell state data at the current moment.
Resumen de: EP4614604A1
Provided are a positive electrode active material for a sodium secondary battery including: a sodium manganese-based oxide which includes at least sodium (Na), nickel (Ni), manganese (Mn), and a doping metal (M<sub>D</sub>) and has a manganese content of 55 mol% or more in all metals other than sodium, wherein the sodium manganese-based oxide is a secondary particle formed by agglomeration of at least one primary particle, and the primary particles have an aspect ratio of 1:1 to 1:2.5, a method for producing a positive electrode active material, and a positive electrode for a sodium secondary battery and a sodium secondary battery including the positive electrode active material.
Resumen de: EP4614615A1
A cathode active material of the present invention comprises a lithium nickel-based composite oxide comprising secondary particles formed by the aggregation of primary particles, wherein some cations and some anions in the lithium nickel-based composite oxide are replaced by a cation M' and a fluoride anion (F<sup>-</sup>), respectively, which are contained in a fluorine-based compound, and the average Ni occupancy in the Li 3a site, obtained through Rietveld refinement using X-ray diffraction of the secondary particles, is 1.1-1.5%.
Resumen de: EP4614532A1
A subject is to provide a method for manufacturing a solid electrolyte material having an α-Li3PS4 phase. The subject is addressed by a method for manufacturing a solid electrolyte material having the α-Li3PS4 phase, comprising heating a Li ion conductive sulfide material to a temperature within a range from 230°C to 350°C, the Li ion conductive sulfide material containing Li, P and S but free of F and Cl and having no α-Li3PS4 phase, wherein a temperature increase rate at 200°C is 100°C/min or more.
Nº publicación: EP4614624A1 10/09/2025
Solicitante:
SUMITOMO CHEMICAL CO [JP]
UNIV KYOTO [JP]
Sumitomo Chemical Company, Limited,
Kyoto University
Resumen de: EP4614624A1
A battery including: a negative electrode having a negative electrode active material layer; and a solid electrolyte layer that is in contact with the negative electrode active material layer, in which the negative electrode active material layer contains a negative electrode active material that, in a case where an alkali metal is used as a counter electrode and 0.1 V or higher is applied, occludes or releases ions of the alkali metal, and any one or both of the negative electrode active material layer and the solid electrolyte layer contain a polymer having an ability to preferentially conduct metal ions.
BOPI
Sede Electrónica
