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1103
resultados
Última actualización
21/09/2025 [07:07:00]
Resultados 1000 a 1025 de 1103
Resumen de: EP4614684A1
A cover plate assembly (13) and a battery (100) are disclosed. The cover plate assembly (13) includes a cover plate (1), a pole (2) and a connecting sheet (3). The pole (2) is mounted on the cover plate (1). The connecting sheet (3) includes a pole connecting portion (31) and a tab connecting portion (32), and the pole connecting portion (31) is connected to the pole (2). A first insulating member (4) is provided between the pole connecting portion (31) and the cover plate (1), the first insulating member (4) is provided with a hook portion (41) and the pole connecting portion (31) is clamped with the hook portion (41). A crack preventing notch (33) is provided on a position of the pole connecting portion (31) close to the tab connecting portion (32).
Resumen de: EP4614699A1
Provided is a battery pack including a housing and a battery module inside the housing, wherein the housing includes a housing protrusion in the housing and housing ribs extending in different directions from each other from the housing protrusion, and wherein the housing ribs formed in any one housing protrusion may be apart from each other along a circumferential direction of the housing protrusion.
Resumen de: EP4613462A1
A sealing device according to an embodiment of the present disclosure may include a support unit configured to support one open side portion of a secondary battery in which an electrode assembly is embedded in a case so that the one open side portion faces upward, and a sealing tool including a vertically extended rotating shaft and a rotating body configured to be rotatable about the rotating shaft, and located on at least one side of the one side portion.
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: 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: 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: 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: EP4614683A1
A battery cell, a battery and an electrical device. The battery cell includes a shell, an electrode assembly and a detection sensor. The shell includes a wall portion, the wall portion being provided with a mounting hole in communication with inside and outside of the shell. The electrode assembly is accommodated inside the shell. The detection sensor includes a sampling module and an encapsulation housing configured to encapsulate the sampling module. At least part of the encapsulation housing is inserted into the mounting hole and blocks the mounting hole. The sampling module is configured to sample an environment inside the shell. In the above manner, the overall volume of the battery cell can be reduced, thereby facilitating the improvement of the volumetric energy density.
Resumen de: EP4613464A1
The present invention provides a structure of a sealing apparatus including a pair of sealing tool assemblies including an exothermic sealing tool, an endothermic sealing tool and an endothermic/exothermic device. Each of the exothermic sealing tool and the endothermic sealing tool each extends along a widthwise direction of a pouch, and are juxtaposed with each other along a lengthwise direction of the pouch. The endothermic/exothermic device is interposed between the exothermic sealing tool and the endothermic sealing tool to radiate heat to the exothermic sealing tool and absorbs heat from the endothermic sealing tool.
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: 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: 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: 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: EP4614635A1
Disclosed is an electrode assembly, a cylindrical battery cell, and a battery pack and a vehicle including the same. The electrode assembly is a jelly-roll type electrode assembly having a structure in which a first electrode plate and a second electrode plate having a sheet shape and a separator interposed therebetween are wound in one direction, and at least one of the first electrode plate and the second electrode plate includes an uncoated portion, not coated with an active material layer, at a long side end. At least a part of the uncoated portion is used as an electrode tab by itself. In addition, the uncoated portion includes a core-side uncoated portion adjacent to the core of the electrode assembly, a circumferential uncoated portion adjacent to the outer circumferential surface of the electrode assembly, an intermediate uncoated portion interposed between the core-side uncoated portion and the circumferential uncoated portion. Preferably, at least one of the core-side uncoated portion and the circumferential uncoated portion has a relatively smaller height in a winding axis direction than the intermediate uncoated portion.
Resumen de: EP4614693A1
The present application provides an energy storage system, the energy storage system includes a box and an energy storage device. The energy storage device is arranged in the box. The energy storage device includes N battery clusters arranged along a first direction. Each of the battery clusters includes M battery packs arranged and connected in a second direction perpendicular to the first direction, wherein 4 ≤ N ≤ 6, and 5 ≤ M ≤ 8. The energy storage system is capable of reducing the number of internal components and improving the space utilizing rate of box, effectively reduces manufacturing hours, and reduces cost of system manufacturing.
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.
Nº publicación: EP4614657A1 10/09/2025
Solicitante:
SAMSUNG ELECTRONICS CO LTD [KR]
Samsung Electronics Co., Ltd
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.
BOPI
Sede Electrónica
