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1111
resultados
Última actualización
02/09/2024 [07:41:00]
Resultados 375 a 400 de 1111
Resumen de: EP4421952A1
Provided is a cylindrical battery that has improved safety and also suppresses deformation of a bottom part. According to one aspect of the present disclosure, a cylindrical battery comprises an electrode body, an electrolyte, an outer can that is a bottomed cylinder that houses the electrode body and the electrolyte, and a sealing body that closes an opening part of the outer can. A bottom part of the outer can has a first groove that forms a polygon and a plurality of second grooves that respectively extend from the plurality of vertices of the polygon toward the outside.
Resumen de: EP4420946A1
To provide a hybrid system capable of improving safety regarding a secondary battery that supplies power to a motor generator. A hybrid system 10 includes a motor generator 2, a secondary battery 50 that is provided as a drive power source for the motor generator 2 and supplies power to the motor generator 2, a positive electrode-side contactor 75 that opens and closes an electric circuit 174 between a positive electrode 51 of the secondary battery 50 and the motor generator 2, a negative electrode-side contactor 76 that opens and closes an electric circuit 175 between a negative electrode 52 of the secondary battery 50 and the motor generator 2, a first control unit 150 that controls one of the positive electrode-side contactor 75 and the negative electrode-side contactor 76, and a second control unit 85 that controls the other of the positive electrode-side contactor 75 and the negative electrode-side contactor 76, based on a control signal transmitted from the first control unit 150.
Resumen de: EP4421826A1
There is provided an inorganic solid electrolyte-containing composition containing an inorganic solid electrolyte, a polymer binder, and a dispersion medium, where the inorganic solid electrolyte-containing composition is such that the polymer binder has a constitutional component (A) containing a specific functional group such as an amide group, in a molecular chain that serves as a side chain of the polymer, and contains a graft polymer having a specific mass average molecular weight to be dissolved in a dispersion medium. There are also provided a sheet for an all-solid state secondary battery and an all-solid state secondary battery, in which the inorganic solid electrolyte-containing composition is used, and manufacturing methods for a sheet for an all-solid state secondary battery, and an all-solid state secondary battery.
Resumen de: EP4421896A1
This nonaqueous electrolyte secondary battery positive electrode according to one embodiment comprises a positive electrode mixture layer that contains, as positive electrode active materials, first lithium-containing transition metal composite oxide particles, which are non-aggregated particles having a volume-based median diameter of 2-10 µm, and second lithium-containing transition metal composite oxide particles, which are secondary particles having a volume-based median diameter of 10-30 µm and formed by the agglomeration of primary particles having an average particle diameter of 50 nm-2 µm, and that has a first layer formed on the positive electrode core material side and a second layer formed on the first layer. The first layer contains at least the first composite oxide particles, and the content of said composite oxide particles is 80% or more relative to the total mass of the positive electrode active materials contained in the first layer. The second layer contains at least the second composite oxide particles.
Resumen de: WO2023108099A1
A battery cell interface material provides multiple types of protection between adjacent cells of an electric vehicle battery pack is provided. The interface material is an integral wall assembly having the following: a middle wall constructed of one of interlaced multifilament flame-resistant yarn or a non-woven material, the middle wall having opposite sides. A pair of intermediate layers, with each intermediate layer being bonded to a separate one of the opposite sides of the middle wall. A pair of outer layers, with each outer layer being bonded to a separate one of the pair of intermediate layers, such that each intermediate layer is sandwiched between one of the pair of outer layers and the textile middle wall, with each outer layer facing a cell wall of the electric vehicle battery being configured to be bonded directly to the cell wall.
Resumen de: WO2023069716A2
The battery pack operably connectable to a power tool, at least two pouch-type battery cells disposed in a cell holder, a set of battery pack terminals electrically connectable to a set of power tool terminals of the power tool and electrically connected to the at least two pouch-type battery cells, and a lead collection printed circuit board. The lead collection printed circuit board is configured to be disposed forward of a front wall of the cell holder and positioned at a predetermined distance, along a longitudinal axis of the battery pack, from the set of battery pack terminals. A first battery pack power terminal of the battery pack terminals is aligned with first tabs of the first and second pouch-type battery cells. A second battery pack power terminal of battery pack terminals is aligned with second tabs of the first and second pouch-type battery cells.
Resumen de: WO2023067071A1
Disclosed is an article for covering battery components in an automotive prime-mover battery pack, the article comprising a top cover having an outer major surface and an inner major surface that is shaped to conform to the battery components, wherein the top cover is prepared by extrusion of a composition comprising a polyolefin and glass fibers to obtain a sheet and subsequent thermoforming of the sheet and wherein the article is configured to form an outer char coating when exposed to flame.
Resumen de: EP4421889A1
This application provides a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode plate includes a current collector and an electrode membrane formed on at least one surface of the current collector. The electrode membrane includes a first positive electrode active substance layer and a second positive electrode active substance layer, and the first positive electrode active substance layer is located between the current collector and the second positive electrode active substance layer. A first positive electrode active substance material in the first positive electrode active substance layer contains hollow particles, and a second positive electrode active substance material in the second positive electrode active substance layer contains solid particles. This application can increase the compacted density of the positive electrode plate, so as to increase the energy density of a battery cell without affecting the long-term cycling performance of the battery cell.
Resumen de: EP4421933A1
Provided in the present disclosure are a raw material composition, a thermosetting PAN-based intermediate film and a preparation method therefor, and an electrochemical device. The raw material composition includes a thermosetting PAN-based polymer material, a lithium salt, and a modification additive; a mass ratio of the thermosetting PAN-based polymer material to the lithium salt is 20:1-3:1, and a mass ratio of the thermosetting PAN-based polymer material to the modification additive is 18:1-3:1; and the modification additive includes one of or a combination of several of a carbonate modification additive, a nitrile modification additive, and an ionic liquid modification additive. Further provided in the present disclosure is the thermosetting PAN-based intermediate film, which is prepared by pre-mixing a raw material composition, then performing melt extrusion, and then performing stretching treatment and/or thin film shaping treatment on a prototype thick film obtained by extrusion. According to the present disclosure, the use of a modification additive may reduce a melting point of a PAN-based polymer and ensure that the PAN-based polymer is not thermally decomposed in a melting process, and may also improve the lithium ion conductivity of a film.
Resumen de: EP4421902A1
In a roll press apparatus (1), a main conveyer line (10) conveys a metal foil (W1) to be used as a substrate. A pressurizing roll (12) is provided on the main conveyer line (10). A lithium conveyer line (20, 30) is a conveyer line (20, 30) that conveys a lithium foil (W2, W3) to be bonded to the metal foil (W1) and merges with the main conveyer line (10) on an upstream side of the pressurizing roll (12). The pressurizing roll (12) rolls the lithium foil (W2, E3) on a surface of the metal foil (W1) and bonds the lithium foil (W2, E3) to the surface of the metal foil (W1) by pressure-bonding.
Resumen de: EP4421960A1
A power source device includes battery blocks each of which has holder through-holes therein, shafts inserted in the holder through-holes of each battery block, respectively, such that the holder through-holes in each battery block are aligned to holder through-holes in another battery block of the battery blocks connected to one another in a connecting direction, an outer case accommodating the battery blocks therein, the outer case having a tubular shape with both ends opening, a first lid closing a first open end of the outer case, and a second lid closing a second open end of the outer case. The shafts have screw threads at least at respective tips thereof. The first lid is fixed with the screw threads of the plurality of shafts such that the plurality of shafts are inserted in the plurality of holder through-holes of the each of the plurality of battery blocks, respectively, in a core block including the battery blocks connected in the connecting direction.
Resumen de: EP4421195A1
A hydrogen storage alloy contains Mm, Ni, Mn, Al, and Co and has a main phase having a CaCu<sub>5</sub>-type crystal structure. La and Ce together account for 95 mass% or more of Mm. When the mole ratios of Ni, Mn, Al, and Co with respect to 1 mol of Mm are represented by a, b, c, and d, respectively, d is 0.00 or more and less than 0.15, d/b is 0.00 or more and 0.35 or less, and the sum of a+b+c+d is 5.22 or more and 5.44 or less. The ratio H/E of hardness H (GPa) to composite elastic modulus E (GPa) as measured using a nanoindentation technique is 0.08 or more and 0.15 or less.
Resumen de: EP4421011A1
A floatation roll (20a) supports a work (W) to be conveyed contactlessly using a force applied to the work (W) contactlessly. The floatation roll (20a) has a cylindrical shape extending in a direction of width (B) of the work (W), and at least a surface of the floatation roll (20a) facing the work (W) being formed by a circumferential surface. A driving unit (20f) rotates the floatation roll (20a) in a yaw direction. Of a wrap angle of the work supported by the floatation roll contactlessly, a wrap angle on an entry side with respect to an apex point and a wrap angle on an exit side with respect to the apex point are set to be different.
Resumen de: EP4422356A1
A wiring board includes a patterned metal plate made of a metal plate cut in a wiring pattern including lead lines including a connection portion and an insulating layer disposed on a surface of the patterned metal plate. The insulating layer has an exposure opening exposing the connection portion. A method of manufacturing a wiring board includes: a cutting step of providing a patterned metal plate by cutting a metal plate in a wiring pattern, the patterned metal plate including a coupling portion and lead lines including a connection portion, adjacent lead lines being coupled to each other with the coupling portion; a laminating step of providing an intermediate board including the patterned metal plate and an insulating layer on a surface of the patterned metal plate by bonding an insulating material on the surface of the patterned metal plate; and a modifying step of separating the plurality of lead lines from each other by locally removing a portion of the intermediate board in a removal region including the coupling portion.
Resumen de: WO2023067016A1
Disclosed herein are examples of an end cap (100) for a battery module housing of an electric vehicle (800). The end cap (100) comprises an electrically conductive end cap housing (102), configured to connect to an end of a traction battery housing. The end cap (100) comprises an electrically insulating busbar connector housing (104) fixed within the end cap housing (102). The end cap (100) comprises an electrically conductive busbar connector (106) fixed within the busbar connector housing (104). The busbar connector housing (104) is configured to electrically isolate the busbar connector (106) from the end cap housing (102). The busbar connector (106) is configured to connect to a module busbar of a battery module inside the battery module housing, and provide a terminal outside the battery module housing to allow for electrical connection to the module busbar.
Resumen de: WO2023066985A1
Disclosed herein are examples of a housing (100) for a battery module (400). The housing (100) comprises a first casing (102) comprising a first outer surface (102a) and a first inner surface (102b), the first inner surface forming a first channel having two first edges (106a, 106b) along opposite sides of the first channel; and a second casing (104) comprising a second outer surface (104a) and a second inner surface (104b), the second inner surface forming a second channel having two second edges (108a, 108b) along opposite sides of the second channel. The first and second casings (102, 104) are located together with each of the first edges (106a, 106b) meeting a corresponding second edge (108a, 108b) along their lengths. The first and second channels together form a space (110) for a battery. An inner lip (112) of the first edges is located in an inner recess (116) of the second edges. An outer lip (118) of the second edges is located in, and welded to, an outer recess (114) of the first edges.
Resumen de: EP4422018A1
A method for adjusting an overcurrent of an energy storage system, and an energy storage system. The method comprises: acquiring a current value and an overcurrent capability of each battery cluster among a plurality of battery clusters; determining an overcurrent value of the battery cluster according to the current value and the overcurrent capability (202); determining a maximum overcurrent value among overcurrent values of the plurality of battery clusters (203); and adjusting a total current limit value of an energy storage system according to the maximum overcurrent value (204). The method can dynamically adjust the current of the energy storage system, thereby effectively solving the overcurrent problem of the energy storage system.
Resumen de: EP4421498A1
A battery tray (100) and a testing system for battery are provided. The battery tray (100) includes: a tray body (11) configured to support a battery; a testing connection bar (12), where the testing connection bar (12) is disposed on the tray body (11) and has a plurality of signal collection portions, and the plurality of signal collection portions include a current collection portion (121), a voltage collection portion (122), a pressure collection portion (123), and a temperature collection portion (124); and a positioning member (13), where the positioning member (13) is disposed on the tray body (11) and configured to position the battery.
Resumen de: EP4421966A1
The present invention relates to the technical field of battery separators and provides a coated modified composite separator, a preparation method thereof and a coating slurry for preparing the composite separator. The coated modified composite separator includes a base membrane and a coating, wherein the coating is coated on either any one side or both sides of the base membrane, and the coating comprises at least two of the following: b2.1 high temperature resistant polymer microspheres, b2.2 high temperature resistant polymer nanofibers, and b2.3 inorganic particles. The coating in the modified composite separator of the present invention notably enhances the thermal dimensional stability of the base membrane, decreases the areal density of the composite separator, boosts the battery's energy density, lowers the probability of occurrence of thermal runaway, and improves battery safety.
Resumen de: EP4422019A1
A controller, a system including such a controller, and a method for controlling or managing discharge or charge of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determining a voltage distribution parameter of each battery pack based on its maximum voltage, its minimum voltage for discharge, and a present voltage, assign ranks to the plurality of battery packs based on the voltage distribution parameters, and determine a respective power discharge or charge based on the rank of each battery pack and a total power demand. The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converte rs for discharging power from or charging power to the plurality of battery packs.
Resumen de: EP4421959A1
A pressurizing structure for a storage battery which applies pressure in a thickness direction to a structure including a storage battery cell including an electrode portion packaged with a laminate exterior material or the structure including a laminate in which a plurality of the storage battery cells are laminated, the pressurizing structure including, a pair of end plates disposed at corresponding two ends of the structure in the thickness direction, and a fastening member configured to fasten the pair of end plates to each other, wherein an elastic body is disposed at at least one of positions sandwiched between the end plate and the structure, a rigid body is disposed at a position sandwiched between the elastic body and the structure, and any one of the end plate, the elastic body, and the rigid body further includes a deformation preventing portion configured to prevent deformation of the elastic body in a direction perpendicular to the thickness direction.
Resumen de: CA3235112A1
A method for opening an electrochemical generator (10) comprising a negative electrode (20) containing lithium or sodium and a positive electrode (30) optionally containing lithium or sodium, the method comprising the following successive steps: a) immersing the electrochemical generator (10) in a solution comprising an inert liquid and, optionally, a redox species, referred to as an oxidising redox species, capable of being reduced on the negative electrode so as to discharge the electrochemical generator; b) opening the electrochemical generator in the solution with a cutting element (100) that has an electrical resistance between 1 m? and 1 k?, and preferably between 5 m? and 100 ?.
Resumen de: EP4420798A1
This application provides an air nozzle, an oven, and a coating system, and pertains to the field of battery technologies. The air nozzle includes a housing and an airflow regulation apparatus. The housing includes a target air outlet and an air inlet, where air flow enters the housing through the air inlet and leaves the housing through the target air outlet. The airflow regulation apparatus is located at the target air outlet and is capable of moving between at least a first position and a second position, where the airflow regulation apparatus exerts a greater resistance against the air flow in the first position than the airflow regulation apparatus exerts against the air flow in the second position. When the airflow at the target air outlet needs to be reduced, the airflow regulation apparatus is regulated to the first position to increase the resistance against the air flow at the target air outlet, thereby reducing the airflow at the target air outlet. When the airflow at the target air outlet needs to be increased, the airflow regulation apparatus is regulated to the second position to reduce the resistance against the air flow at the target air outlet, thereby increasing the airflow at the target air outlet.
Nº publicación: EP4421906A1 28/08/2024
Solicitante:
LG CHEMICAL LTD [KR]
LG Chem, Ltd
Resumen de: EP4421906A1
The present invention relates to a method for producing a positive electrode active material which can minimize the surface degradation of a positive electrode active material which occurs in a washing process, effectively control residual lithium, and form a uniform coating layer on the surface of the positive electrode active material, and a positive electrode active material produced by the method, the method including the steps of: (A) preparing a lithium transition metal oxide; (B) mixing the lithium transition metal oxide and a first washing solution to first wash and then first filter the lithium transition metal oxide; (C) simultaneously second washing and second filtering the lithium transition metal oxide through step (B) using a filter device capable of washing and filtering simultaneously with a second washing solution; and (D) drying the lithium transition metal oxide through step (C), then mixing a coating element-containing raw material with the dried lithium transition metal oxide and heat-treating the mixture to form a coating layer, wherein the coating element-containing raw material includes a boron-containing raw material and at least one lithium-containing raw material selected from among LiOH, Li<sub>2</sub>CO<sub>3</sub>, and Li<sub>2</sub>0.
BOPI
Sede Electrónica
