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1190
resultados
Última actualización
25/10/2026 [07:33:00]
Resultados 1000 a 1025 de 1190
Resumen de: US20260321942A1
0000 An apparatus for removing an electrolyte includes an electrolyte displacing unit configured to displace the electrolyte present on an opening and a beading part of a can, wherein the electrolyte displacing unit defines an air injection passage through which air is injected toward the opening and the beading part of the can to move the electrolyte present on the opening and the beading part of the can into an electrode assembly accommodation part of the can, thereby displacing the electrolyte.
Resumen de: US20260321842A1
0000 A battery assembly including first and second walls spaced from one another in a cell stack direction to define a cell-receiving space therebetween. The battery assembly also includes a sidewall extending along a lateral side of the cell-receiving space, and a plurality of pouch cells stacked in the cell stack direction within the cell-receiving space. The battery assembly also includes a support plate having opposite lateral sides. One of the lateral sides is connected to the sidewall. The support plate extends transversely across the cell-receiving space between first and second pouch cells of the plurality of pouch cells to divide the plurality of pouch cells into first and second stacks of pouch cells. The pouch cells in each stack of pouch cells are retained against movement in a direction that is perpendicular to the cell stack direction by their compression between the support plate and the first or second wall.
Resumen de: US20260321861A1
A battery cell stack for a battery includes a first battery cell; a second battery cell arranged adjacently to the first battery cell; and a spacer positioned between the first and second battery cells. The spacer includes a compressible pad, and a support element supporting the compressible pad. The spacer is compressible between the first and second battery cells.
Resumen de: US20260317345A1
Heteroatom-doped acenes, e.g., acenes doped with nitrogen and sulfur atoms, are described. The heteroatom-doped acenes can be redox-active and/or can include nitrogen substituents that can tune the solubility of the heteroatom-doped acene in non-protic polar solvents. Electrolytes and batteries comprising the heteroatom-doped acenes are also described. In addition, a method of synthesizing heteroatom-doped acenes via aromatic nucleophilic substitution reactions is described.
Resumen de: US20260318998A1
Systems, devices, and methods for estimating states of charge of energy sources using multiple integrator circuits. During a first state, a first integrator circuit can integrate current measurement signals while the output of a second integrator circuit remains constant such that a device can obtain an integrated voltage value from the second integrator circuit. During a second state, the second integrator circuit can integrate current measurement signals while the output of the first integrator circuit remains constant such that a device can obtain an integrated voltage value from the first integrator circuit.
Resumen de: US20260321661A1
0000 A cathode includes a cathode active material layer and an all-solid-state battery comprising same, the cathode active material layer comprising a cathode active material, a sulfide-based solid electrolyte, a conductive material composite, and a fiberized binder, wherein the conductive material composite includes: a core part containing a carbon-based conductive material; and a coating part disposed on a portion of the core part and containing polymer nanoparticles, the polymer nanoparticles being composed of a copolymer of vinylidene fluoride (VDF) and a comonomer, the comonomer being at least one selected from the group consisting of hexafluoropropylene (HFP), chlorotrifluoroethylene (CTFE), hexafluoroacetone (HFA), 1-hydroperfluoropropylene (HPFP), tetrafluoroethylene (TFE), and trifluoroethylene (TrFE). According to the present invention, a cathode and an all-solid-state battery comprising same can be provided wherein the cathode has excellent ionic/electronic conductivity and charge and discharge performance as well as superb mechanical properties, such as tensile strength.
Resumen de: US20260318621A1
0000 This application provides a heat exchanger and an energy storage device. The heat exchanger includes at least one condenser plate heat exchanger, a plurality of evaporator plate heat exchangers, and a refrigerant substrate. Each evaporator plate heat exchanger and each condenser plate heat exchanger are arranged on a same side of the refrigerant substrate in a first direction. A side surface that is of each condenser plate heat exchanger and that faces the refrigerant substrate includes a condensation refrigerant outlet. A side surface that is of each evaporator plate heat exchanger and that faces the refrigerant substrate includes an evaporation refrigerant inlet. The refrigerant substrate includes a convergence flow channel and at least one flow distribution structure. Each flow distribution structure includes a plurality of flow distribution channels. This reduces space occupied by the heat exchanger and simplifies assembly of the heat exchanger.
Resumen de: US20260321632A1
0000 A lithium-ion secondary battery is disclosed. The battery includes a positive electrode plate, a negative electrode plate, and an electrolyte. The positive electrode plate includes a current collector and a positive electrode film layer on at least one side of the current collector. The film layer includes a positive electrode active material comprising lithium-containing transition metal phosphate particles, at least a portion of whose surfaces are coated with a carbon material. In a sphericity area cumulative distribution curve for particles having sizes≥1 μm obtained from a cross-section of the positive electrode film layer in the thickness direction, a sphericity median LR1A50 is between 0.71 and 0.85. The present application further provides a battery apparatus, an electrical apparatus, a method for preparing the positive electrode active material, and a method for preparing the positive electrode plate.
Resumen de: US20260321899A1
0000 A battery module including a plurality of battery cells each having an electrode lead, a bus-bar frame positioned on a side of the plurality of battery cells where the electrode leads are located, and having a lead slot through which the electrode leads of the plurality of battery cells pass and a stepped portion formed in a portion where the electrode lead passing through the lead slot is located, and a damage prevention member provided between the electrode lead and the stepped portion is provided.
Resumen de: US20260321844A1
0000 This application discloses a battery and an electrical device. The battery includes a battery cell group and a first case. The first case includes a bottom wall and two first side walls oppositely arranged along a first direction. The battery cell group is located between the two first side walls. The bottom wall is used for carrying the battery cell group, and each of the first side walls is connected to the bottom wall via a first connection portion. The first side wall has a first side surface facing the battery cell group. Along the first direction, a minimum distance between the first side surface and the battery cell group is L<1>, and a minimum distance between the first connection portion and the battery cell group is L<2>, satisfying L<1>≤L<2>, which can effectively improve the reliability of the battery.
Resumen de: US20260321615A1
The present application provides a positive electrode active material and a preparation method thereof, a positive electrode sheet, a secondary battery, and an electric apparatus. The positive electrode active material includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material is a nickel-iron-manganese-copper quaternary sodium battery positive electrode active material; and a chemical formula of the second positive electrode active material is Naa2Nib2Fec2Mnd2Me2O2, where 0.8≤a2<1, 0.01≤b2<0.35, 0.01≤c2<0.35, 0.01≤d2<0.35, 0≤e2<0.1, b2+c2+d2+e2=1, and the M element includes any one or more of Zn, Ti, Zr, Mg, La, Y, Co, Cr, Al, K, V, Mo, W, Sr, Ta, Nb, or Ca.
Resumen de: US20260321765A1
0000 A battery module including a plurality of cylindrical battery cells, a first frame having a receiving hole configured to receive the plurality of cylindrical battery cells, a second frame having a plurality of holes incised so as to each have a predetermined area in one side surface thereof, the second frame being coupled to the first frame is provided. A heat conduction pad located inside the second frame covers the plurality of holes. A receiving frame having a space portion for a heating solution and an operation unit configured to activate the heating solution and a heat conduction unit is also provided.
Resumen de: US20260321620A1
0000 A positive electrode material includes a plurality of single particle-based positive electrode active material particles, wherein the single particle-based positive electrode active material particle includes 1 to 30 primary particles. A ratio of an arithmetic mean value of ruggednesses of the primary particles to an average aspect ratio of the primary particles is at least 0.58. The ruggedness is defined by A
Resumen de: US20260317935A1
0000 A cobalt recovery method of recovering cobalt from a cobalt sulfate solution, which includes adding, to the cobalt sulfate solution, an additive in which solubility decreases at a pH of 2.0 or less, and electrowinning cobalt from the cobalt sulfate solution to which the additive is added. It is preferable that the additive has a pH buffering effect in a pH range of 2.0 or more and 4.5 or less.
Resumen de: US20260321836A1
0000 The invention relates to a battery housing for accommodating a plurality of battery components, comprising a first battery housing component, a second battery housing component, and at least one battery component holder having a plurality of receiving devices for receiving the battery components. The battery component holder is arranged in a sandwich-like manner between the first battery housing component and the second battery housing component and is connected to the first battery housing component and/or to the second battery housing component in a material-locking manner. The invention also relates to a battery comprising a battery housing and a motor vehicle comprising a battery.
Resumen de: US20260321934A1
0000 A housing for a module pole connection providing touch protection for the module pole connection. The housing has a module pole busbar with a contact region and is connected in a connecting direction to a module connector and is electrically contacted via the contact region. The housing is electrically insulating, and receives the module pole busbar, and has a first housing wall which has a recess region with at least one recess for exposing at least part of the contact region of the module pole busbar when the module pole busbar is received as intended in the housing. The first housing wall has a recess edge region surrounding the recess region in a radial direction. The first housing wall has an electrically insulating insulation ring radially within the recess region, which is connected to the recess edge region via at least one insulation web.
Resumen de: US20260321669A1
0000 A positive electrode composite current collector, a positive electrode sheet, a secondary battery, and an electrical apparatus. The positive electrode composite current collector includes a polymer support layer, a conductive layer, and a high-resistance layer. The conductive layer is disposed on at least one surface of the polymer support layer; and the high-resistance layer is disposed on a surface of the conductive layer facing away from the polymer support layer, where a resistivity of the high-resistance layer is higher than a resistivity of the conductive layer, a total sheet resistance of the high-resistance layer and the conductive layer is R1, and 50 mΩ/□≤R1≤80 mΩ/□. The positive electrode composite current collector can maintain normal electrode conductivity and keep the DCR of the battery within an appropriate range while enabling the battery to achieve a high nail penetration test pass rate.
Resumen de: US20260321668A1
0000 A composite current collector and a preparation method thereof, an electrode plate, a battery, and an electric apparatus are provided. The composite current collector includes a support layer, an adhesive layer, and a conductive layer, where the adhesive layer and the conductive layer are sequentially laminated on two opposite surfaces of the support layer in a direction away from the support layer. The composite current collector effectively improves the peel strength between the support layer and the conductive layer, and reduces the risk of delamination of the composite current collector under prolonged exposure in liquid electrolyte.
Resumen de: US20260321602A1
A cathode active material for a lithium secondary battery according to the embodiments of the present disclosure includes a composite particle including lithium metal phosphate particles and a carbon coating formed on the lithium metal phosphate particles, wherein a C/Fe ratio of the composite particle, as measured by X-ray photoelectron spectroscopy (XPS) analysis, is 5 to 80.
Resumen de: US20260321569A1
An electrode plate flattening device and an electrode plate coating device are provided. The electrode plate flattening device includes: a pressing roller capable of being pressed on an electrode plate and capable of rotating along with the displacement of the electrode plate, and a damping device including a first transmission member and a damping assembly, wherein the first transmission member is capable of rotating along with the pressing roller, the damping assembly is arranged beside the first transmission member, and the damping assembly is capable of applying resistance to the first transmission member. The electrode plate flattening device can reduce the rotating speed of the pressing roller and adjust the component force in a direction perpendicular to the electrode plate, thereby alleviating the problems of wrinkling and skewing of electrode plates, and improving the yield rate of the electrode plates.
Resumen de: US20260317177A1
0000 A conductive agent dispersion includes single-walled carbon nanotubes, a fluorine-based polymer, and an organic solvent, wherein the fluorine-based polymer has a dispersion index (D), which reflects characteristics of an unsaturated functional group and a comonomer or a saturated functional group in the fluorine-based polymer, ranging from 0.10 to 0.90. The conductive agent dispersion including the fluorine-based polymer has advantages of low viscosity, excellent dispersibility due to less aggregated particles in a dispersed state, and excellent storage stability due to a small change in viscosity over time. An electrode and a lithium secondary battery including the fluorine-based polymer are also provided.
Resumen de: US20260321667A1
An electrode sheet, a battery cell, a battery, an electric device and a method for preparing an electrode sheet, which can improve the yield of the battery cell. The electrode sheet includes: a first current collector, a first conductive layer, and a first layer. The first current collector includes a first body and a tab region connected to an edge of the first body. The first body includes a coating region and an edge region. The first conductive layer is provided on a surface of the coating region. The first layer is provided on a surface of the edge region. A porosity of the first layer is less than a porosity of the first conductive layer.
Resumen de: US20260321924A1
0000 This application provides a dust removal apparatus and a battery production system. The dust removal apparatus includes a dust removal assembly and a first drive assembly, where the dust removal assembly includes a dust removal brush, and the first drive assembly is connected to the dust removal brush and is configured to be able to drive the dust removal brush to move along a first direction. In this way, the dust removal brush can sweep weld slag while moving, thereby removing weld slag over a larger area on a hollow electrode post of a battery cell preform. Further, the dust removal brush can clean strip-shaped weld marks, thereby improving a cleaning effect of the dust removal apparatus.
Resumen de: US20260321706A1
0000 Disclosed is a battery cell pressurizing device, which includes a plurality of mounting tables respectively configured so that at least one battery cell is mounted thereon, the plurality of mounting tables being arranged side by side in one direction; a pressurizing unit configured to pressurize the battery cells mounted on the plurality of mounting tables by pressing the plurality of mounting tables in a direction in which the plurality of mounting tables come into close contact with each other; and a plurality of pressure-sensitive sensors distributed on the plurality of mounting tables and configured to detect pressure applied to the battery cells mounted on each mounting table separately for each battery cell or to detect the pressure separately for different parts of each battery cell.
Nº publicación: US20260321882A1 15/10/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD.
Resumen de: US20260321882A1
The present disclosure relates to a battery module and a battery pack including the same, and the battery module capable according to an embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack; and end plates that cover the front and rear surfaces of the battery cell stack, wherein the module frame is positioned while covering the battery cell stack, and includes an upper cover containing a plurality of holes, which are venting holes, and wherein a spacer assembly is positioned on the upper cover.
BOPI
Sede Electrónica
