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1251
resultados
Última actualización
29/08/2025 [07:19:00]
Resultados 225 a 250 de 1251
Resumen de: FI20225954A1
A battery module (100) comprising a plurality of battery cells (110), a busbar assembly (120) configured to electrically couple the battery cells (110), a housing (130) having an inner space (132), and the plurality of battery cells (120) being arranged in the inner space (132), a plurality of recesses (140) in the inner space (132) of the housing (130), the battery cells (110) being arranged towards the recesses (140), wherein the recess (140) has rotationally asymmetric shape relative to a central axis (116) of the corresponding battery cell (110), and a filler (150) arranged in the recess (140) and attached to the battery cell (110), whereby the recess (140) prevents the filler (150) and the battery cell (110) being rotated by the rotationally asymmetric shape of the recess (140).
Resumen de: WO2024080887A1
A method of solvent and electrolyte extraction and recovery of electrode powder from lithium-ion cells, from a batch mixture containing solvents, the electrolyte and anode and cathode powders, obtained during low temperature separation and fractioning of used lithium-ion batteries on sieves, characterised in that solvent with electrolyte containing non-magnetic metal compounds are separated from the mixture batch in the reactor. Next, the electrolyte is separated from the anode and cathode powder through extraction using a solvent mixture, while the solvent mixture is separated from the electrolyte through vacuum evaporation. Next, the subsequent portions of the anode and cathode powder are separated from the subsequent batch portions fed to the reactor, obtaining the subsequent portions of the solvent mixture with the electrolyte, The solvents are separated from the electrolyte salts and added to the previously recovered solvents from the previous portions of the mixture of solvents and of the electrolyte. The thus obtained solvent mixture is returned to the reactor and subjected to extraction, recovering the subsequent quantities of the solvent mixture with the electrolyte, separated from the cathode and anode powder,
Resumen de: CN120051544A
The polyurethane adhesive may include an isocyanate prepolymer and a polyol component. The isocyanate prepolymer is the reaction product of from 35% to 95% by weight of a polyisocyanate and from 65% to 5% by weight of a non-dimer acid-based polyester polyol. The non-dimer acid-based polyester polyol may include the reaction product of a primary polyol having a hydroxyl functionality of at least 3 and a weight average molecular weight of 800 g/mol or less, a C4 to C20 non-dimer acid dicarboxylic acid, and a C10 to C20 aliphatic monocarboxylic acid. The polyol component comprises from 20% to 80% by weight of a hydrophobic polyol, from 3% to 15% by weight of a phosphate modified polyol, and from 10% to 30% by weight of a vegetable oil polyurethane polyol.
Resumen de: MX2025004644A
An electrode useful in energy storage devices comprises a current collector and an active layer on the current collector, wherein the active layer comprises electrode active particles, electrically conducting material and a binder wherein the binder comprises a copolymer that comprises a first repeat unit and a second repeat unit; where the first repeat unit is derived from the polymerization of a first monomer which is ethylenically unsaturated monomer having a hydrophilic pendant group and the second repeat unit is derived from the polymerization of a second monomer having ethylenic unsaturation.
Resumen de: MX2025004634A
Disclosed herein is an electrode comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network; and a polymeric binder comprising a first polymer which is a polymer comprising an acid functional group or a salt of such acid functional group; a polyamide; or an acrylate polymer, and a second polymer
Resumen de: EP4607678A1
The present disclosure includes a battery module and a battery pack including the same, and the battery module according to one embodiment of the present disclosure comprises: a battery cell stack in which a plurality of battery cells are stacked; a module frame which comprises a lower frame on which the battery cell stack is mounted, and an upper cover that is coupled with the lower frame while covering the upper part of the battery cell stack; end plates which cover the front and rear surfaces of the battery cell stack; a heat insulating member which is located while covering the upper part and both side surface parts of the module frame, and located while covering the end plate; and a cover member which is located on the heat insulating member, located while covering a partial region of the upper part, both side surface parts and the lower part of the module frame, and located while covering the end plate.
Resumen de: EP4607069A1
An explosion prevention valve, a cover plate assembly, a battery core, a battery pack, and an electrical system are provided. The explosion prevention valve includes a main body (1), an explosion prevention piece (2), and a temperature-sensitive film (3). The main body is provided with a pressure relief hole (11) extending through a thickness direction thereof. The explosion prevention piece and the temperature-sensitive film are connected to the main body, and are arranged to cover the pressure relief hole. The temperature-sensitive film is made of plastic, and has a critical breaking pressure value which is inversely proportional to a temperature of the explosion prevention valve. A thickness of the temperature-sensitive film is A, and may be 0.05 mm ≤ A ≤ 0.5 mm. In technical solutions of the present disclosure, the temperature-sensitive film is arranged in the explosion prevention valve, and a dimension of the temperature-sensitive film is defined. Within the defined dimension, when the battery core is in a normal operating condition, the temperature-sensitive film and the explosion prevention piece can jointly cover the pressure relief hole of the main body, to increase an opening pressure of the pressure relief hole, so as to reduce a risk of accidentally opening the pressure relief hole, and when the battery core is out of control, a high temperature generated after the battery core is out of control quickly softens the temperature-sensitive film, to reduce the ope
Resumen de: EP4606629A1
Various technologies and embodiments are presented to minimize/mitigate electromagnetic field (EMF) effects and electromagnetic interference (EMI) effects generated in a battery module/battery pack when the battery module/battery pack is utilized with alternating current (AC) operation. Respective electrical flowpaths are created throughout a battery module such that EMF/EMI generated in a first portion of a flowpath negates EMF/EMI generated in an adjacent second portion of a flowpath. The battery module operates as a smartcell, wherein battery module comprises a pair of clusterboards located between a first cluster of battery cells and a second cluster of battery cells, wherein the central positioning of the pair of clusterboards functions to isolate the first cluster of battery cells from the second cluster of battery cells.
Resumen de: EP4607613A1
Provided in the present disclosure are a high-nickel cobalt-free positive electrode material with double reduction of residual alkali and a preparation method thereof. A chemical expression of the high-nickel cobalt-free positive electrode material is LixNiyMn1-yAzO2, where 0.75
Resumen de: EP4607679A1
Provided in the present application are a battery cell (10), a battery (100), and an electrical device. The electrical device comprises a battery (100). The battery (100) comprises a battery cell (10). The battery cell (10) comprises an outer housing (12), an electrode assembly (11), and an insulating member (13). The end of the outer housing (12) in the first direction (Z) is provided with a pressure relief mechanism (123). The insulating member (13) is provided in the outer housing (12) and is located at the end of the electrode assembly (11) near the pressure relief mechanism (123). In a direction intersecting the first direction (Z), a pressure relief gap (101) is provided between a side portion of the insulating member (13) and the outer housing (12). A pressure relief recess (102) in communication with the pressure relief gap (101) is disposed on the side portion of the insulating member (13). A pressure relief channel (103) that is in communication with the pressure relief recess (102) and disposed opposite to the pressure relief mechanism (123) is also provided in the outer housing (12). In this way, the problem of damage or even explosion of the electrode assembly (11) due to the pressure of the electrode assembly (11) not being released in time can be solved.
Resumen de: EP4607651A1
A battery cluster, an energy storage system, an uninterruptible power system, and an electric vehicle are provided. The battery cluster includes a metal enclosure and a first battery pack accommodated in the metal enclosure. The first battery pack includes a battery module and an insulation detection circuit. A first end of the insulation detection circuit is connected to the metal enclosure, and a second end of the insulation detection circuit is connected to one end of the battery module. When detecting that a current between the battery module and the metal enclosure is higher than a preset current threshold, the insulation detection circuit determines that insulation of the first battery pack fails. A size of the battery cluster can be further reduced.
Resumen de: EP4607617A1
The present invention relates to a positive electrode active material for a lithium secondary battery, comprising a lithium transition metal oxide containing nickel (Ni), wherein the lithium transition metal oxide is in form of a single particle, has an average particle diameter (D50) ranging from 2 µm to 4 µm, and exhibits a maximum pole density value of 20 or less at the (001) plane as determined by Electron Back Scatter Diffraction (EBSD) analysis of a pole figure diagram.
Resumen de: EP4606828A1
The present invention relates to: a copolymer comprising, with respect to 100 wt% of the total weight of the copolymer, 3 wt% to 30 wt% of a monomer unit that contains a sulfide group, a monomer unit that contains a sulfonate group, a monomer unit that contains a sulfonic group, a monomer unit that contains a fluorine group, a monomer unit that contains a perfluoroalkyl group, or a combination thereof, a slurry composition containing same; a separator; and a secondary battery.
Resumen de: EP4607219A1
A battery management apparatus according to an embodiment disclosed herein includes at least one capacitor respectively connected to at least one battery and a controller configured to apply current to the at least one capacitors to pre-charge the at least one capacitors, measure a voltage of each of the at least one capacitors, and control impedance measurement of the at least one batteries based on whether the voltage of the at least one capacitors is within a threshold range.
Resumen de: EP4607602A1
The present invention relates to a positive electrode for an all-solid-state battery, and the positive electrode for an all-solid-state battery comprises a positive electrode layer including a positive electrode active material, a sulfide-based solid electrolyte, a positive electrolyte layer including a plasticizer and a lithium salt that is a solid at room temperature and liquid at 60 °C or higher, and a current collector supporting the positive electrode layer.
Resumen de: EP4607647A1
Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core including a forming agent, and a shell surrounding the core, wherein the shell includes a polymer having a melting point of 90 °C to 120 °C.
Resumen de: EP4607611A1
An anode active material according to embodiments of the present disclosure includes a silicon-based active material including core particles and a carbon coating which covers a surface of the core particles. An onset temperature of the silicon-based active material measured through a thermogravimetric analysis method is greater than 350°C and less than 390°C, and a ratio of a change value of a weight loss rate to a change value of a temperature of the silicon-based active material measured through a differential thermogravimetric analysis method is 0.000050 to 0.000150.
Resumen de: EP4607637A2
A rechargeable battery of the present disclosure includes an electrode assembly comprising a plurality of electrodes stacked together and having a separator disposed between respective ones of the plurality of electrodes, and an adhesive member disposed at at least two of corner parts of the electrode assembly and attached to cover an upper surface, side surface, and lower surface of the electrode assembly.
Resumen de: EP4607625A1
A bipolar stacked battery that prevents air from becoming trapped during formation of the bipolar stacked battery has a plurality of stacked battery cells. An electrically and ionically insulating frame is formed between each of the plurality of stacked battery cells.
Resumen de: EP4607636A1
An electrode assembly taping device of a rechargeable battery comprises: a cell seating jig; a bending jig that is separately disposed at both sides of the cell seating jig to adsorb a cut tape and relatively raise and lower the cell seating jig in a height direction; a gripper that introduces a wound or stacked electrode assembly to seat the electrode assembly on the cell seating jig; and an attachment roller that attaches the tape to the electrode assembly together with a relative raising and lowering operation of the cell seating jig and the bending jig and an operation of the gripper. The cell seating jig comprises a non-contact portion that is in non-contact with an outer line of the tape.
Resumen de: EP4607677A1
This application provides a battery cell, a battery, and an electric apparatus, and pertains to the field of battery technologies. The battery cell includes an outer shell, the outer shell has a wall portion, and along a thickness direction of the wall portion, the wall portion has a first surface and a second surface opposite to each other. The first surface is provided with a first groove, the second surface is provided with a second groove at a position corresponding to the first groove, a bottom surface of the first groove is provided with a scored groove, and the wall portion is capable of rupturing along the scored groove during pressure relief of the battery cell. This battery cell, first, can reduce the depth required to provide the scored groove on the wall portion, helping lower the manufacturing difficulty of the scored groove and the requirements on production devices, thereby reducing manufacturing costs, and can reduce the forming force exerted on the wall portion in processing the scored groove, helping mitigate the risk of cracks in the wall portion. Second, it can improve the morphology of a flow material during the formation of the scored groove, facilitating the flow of the material generated during the formation of the scored groove, thereby enhancing the structural consistency of the scored groove.
Resumen de: EP4607654A1
A battery (200) and an electrical apparatus (1000). The battery (200) includes a plurality of rows of battery units (10A) and a heat exchange assembly (140). The plurality of rows of battery units (10A) are arranged in a first direction. Each row of battery units (10A) comprises a plurality of battery cells (10) arranged in sequence in a second direction. Each battery cell (10) includes a first side wall (111). The first side wall (111) is the side wall with the largest area. The first direction and the second direction are perpendicular to each other. The heat exchange assembly (140) includes a heat conducting plate (70). The heat conducting plate (70) extends between adjacent rows of battery units (10A). The heat conducting plate (70) directly faces the first side walls (111) of at least some of the adjacent battery cells (10) of adjacent battery units (10A).
Resumen de: EP4607743A1
The present application relates to a charge-discharge equalization control method and apparatus, a system and an electronic device. The method comprises: acquiring state information of a plurality of batteries connected in series during the charging or discharging process (402); and, according to the capacities and the state information of the plurality of batteries, regulating the charging current and/or discharging current of at least one battery connected to an equalization branch, such that the voltage difference of the plurality of batteries is within a preset range (404). Therefore, the charge-discharge rates of batteries having different capacities can be balanced under the condition of equalized current regulation, so as to ensure that the batteries are simultaneously fully charged or discharged. Thus, the structural space of devices having foldable screen forms or special-shaped battery compartments can be utilized to the maximum extent, so as to increase the battery capacities of terminal devices, thereby improving the usage endurance capacities of the devices.
Resumen de: EP4607673A1
Provided are a battery assembly, a vehicle, and a battery swapping station. The battery assembly includes a plurality of batteries. Each of the plurality of batteries has a mounting structure. Each of the plurality of batteries is adapted to be disposed at a bottom of a vehicle and detachably connected to the vehicle through the mounting structure, allowing each of the plurality of batteries to be detachably mounted to the vehicle separately.
Nº publicación: EP4607645A1 27/08/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Resumen de: EP4607645A1
Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core including polyethylene wax, and a shell surrounding the core, wherein the shell includes a polymer having a melting point of 90 °C to 120 °C.
BOPI
Sede Electrónica
