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1110
resultados
Última actualización
01/09/2024 [07:42:00]
Resultados 175 a 200 de 1110
Resumen de: US2024290943A1
Systems and methods for water soluble weak acidic resins as carbon precursors for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and pyrolyzed water-soluble acidic polyamide imide as a primary resin carbon precursor. The electrode coating layer may include a pyrolyzed water-based acidic polymer solution additive. The polymer solution additive may include one or more of: polyacrylic acid (PAA) solution, poly (maleic acid, methyl methacrylate/methacrylic acid, butadiene/maleic acid) solutions, and water soluble polyacrylic acid. The electrode coating layer may include conductive additives. The current collector may include a metal foil, where the metal current collector includes one or more of a copper, tungsten, stainless steel, and nickel foil in electrical contact with the electrode coating layer. The electrode coating layer may be more than 70% silicon.
Resumen de: US2024290987A1
An electrode for a secondary battery and an electrode assembly including the same. The electrode includes a mixture layer and a gas adsorption layers disposed on at least one surface of an electrode current collector. Since the mixture layer has a pattern structure and the gas adsorption layer is disposed in a regions where the mixture layer is not disposed, there is an advantage in that a secondary battery including the above has excellent performance and stability due to an excellent effect of removing a gas generated during initial charging/discharging of the secondary battery.
Resumen de: US2024290938A1
Aspects of the present disclosure generally relate to battery technology, and more specifically relate to self-standing electrodes and to methods and apparatus for making the same. In an embodiment, a self-standing electrode is provided. The self-standing electrode includes nanotubes, electrode active material, and conductive material. In another embodiment, a method of forming a self-standing electrode is provided. The method includes aerosolizing or fluidizing electrode active material and conductive material. The method further includes depositing nanotubes, the aerosolized or fluidized electrode active material, and the aerosolized or fluidized conductive material on a porous substrate to form a self-standing electrode, the self-standing electrode comprising the nanotubes, the electrode active material, and the conductive material.
Resumen de: US2024291026A1
The present disclosure includes: a positive electrode; a negative electrode; and an electrolyte layer disposed between the positive electrode and the negative electrode. The positive electrode includes a positive electrode active material. The positive electrode active material includes an oxide consisting of Li, Ni, Mn, and O. The electrolyte layer includes Li, Ti, M1, and F. The M1 is at least one selected from the group consisting of Ca, Mg, Al, Y, and Zr.
Resumen de: US2024291067A1
A battery arrangement with a battery module, which includes a cell stack with multiple battery cells arranged next to one another in a stacking direction and one or more cell separation elements. One of the cell separation elements is arranged between respective two battery cells arranged adjacent to one another. At least one of the cell separation elements protrudes on one side of the cell stack from a gap between the two battery cells, in which the cell separation element is arranged. The protruding cell separation element is connected to an active cooling device through which a cooling medium can flow and which is encompassed by the battery arrangement.
Resumen de: US2024290971A1
A positive electrode composition containing carbon black, carbon nanotubes, an active material, and a binding material, in which the carbon black has a BET specific surface area of 100 to 400 m2/g and a crystallite size (Lc) of 15 to 26 Å, the carbon nanotubes have an average diameter of 5 to 15 nm, and a ratio (average diameter/BET specific surface area) of the average diameter with respect to a BET specific surface area of the carbon nanotubes is 0.01 to 0.068 nm/(m2/g).
Resumen de: US2024291065A1
A battery module includes a battery assembly including battery blocks including cylindrical batteries having bottom surfaces flush with respective planes, the battery blocks being connected to one another in an axial direction of the cylindrical batteries; and a cooling plate configured to cool the cylindrical batteries. The battery blocks have: respective cooling surfaces constituted by respective one end surfaces of the battery blocks; and respective discharge surfaces constituted by respective opposite end surfaces of the battery blocks. The cylindrical batteries include respective discharge valves having respective openings at respective discharge surfaces of the battery blocks. The battery assembly includes a duct gap for discharge between adjoining battery blocks such that a cooling surface of one adjoining battery block faces, across the duct gap, a discharge surface of another adjoining battery block. The cooling plate has an L-shape including a heat-absorption plate portion and a heat-dissipation plate portion connected perpendicularly and unitarily to one another. The heat-absorption plate portion is disposed on and thermally coupled to the cooling surface of one adjoining battery block. The heat-dissipation plate portion is disposed on an outer surface of the battery assembly. The duct gap is provided between the heat-absorption plate portion and the discharge surface of another adjoining battery block.
Resumen de: US2024290978A1
An electrode for all-solid-state battery includes a first sulfide solid electrolyte, a second sulfide solid electrolyte, and an active material. The first sulfide solid electrolyte has an LGPS type crystal structure. The second sulfide solid electrolyte is a glass ceramic. A mass fraction of the second sulfide solid electrolyte with respect to a sum of the first sulfide solid electrolyte and the second sulfide solid electrolyte is more than 5% and 20% or less.
Resumen de: US2024290935A1
An electrode for a secondary battery includes a dry electrode film. The dry electrode film includes an active material, an electrically conductive material, and a fibrillated binder. The electrode further includes a current collector. The dry electrode film is stacked on the current collector. The electrically conductive material comprises carbon fibers.
Resumen de: US2024290962A1
Current collectors are critical components of conventional electrochemical cell design, and serve to conduct electricity generated within the electrochemical cell to an external environment of the electrochemical cell, typically to a machine or device electrically coupled to the electrochemical cell, e.g. via a plurality of leads, tabs, contacts, terminals, etc. Accordingly, current collectors conventionally comprise one or more highly electrically conductive (and, optionally, thermally conductive) materials, most often metal(s) or alloy(s) of iron, nickel, copper, etc. As a result, current collectors often represent a substantial contribution to the total mass of the electrochemical cell, and undesirably reduce the power-to-weight ratio of the resulting battery. The presently disclosed inventive concepts include various configurations of free-standing electrodes that do not require a distinct current collector component to efficiently conduct electricity to external devices, and include unique compositions and structural arrangements that collectively convey substantial performance improvements on electrochemical cells implementing the same.
Resumen de: US2024290952A1
The present application is generally directed to composites comprising a hard carbon material and an electrochemical modifier. The composite materials find utility in any number of electrical devices, for example, in lithium ion batteries. Methods for making the disclosed composite materials are also disclosed.
Resumen de: US2024290988A1
A positive electrode material plate includes: an electrode plate substrate and a coating layer arranged on a surface of the electrode plate substrate. The electrode plate substrate includes a compound of formula I: LiNixCoyM1-x-yO2 (formula I), where 0.6≤x<1, 0≤y≤0.2, and M is at least one of Mn, Al, Ti, Zr, Mg, W, and Mo; and the coating layer is a three-dimensional network lithium phosphate layer with a thickness of 12 nm to 13 nm, and a percentage of lithium phosphate is 20% to 30%.
Resumen de: US2024291021A1
A solid electrolyte and a method for preparing the same are provided. The solid electrolyte includes a conducting polymer having mixed conducting characteristics; and a lithium salt, and the mixed conducting characteristics include ionic conductivity and electrical conductivity.
Resumen de: US2024290934A1
A device for coating an electrode slurry for a secondary battery and a method of coating an electrode slurry, which include a slurry transfer pipe with a dual structure including first and second pipes so that a temperature of the electrode slurry temperature can be kept constant when the electrode slurry stored in a slurry tank is transferred to a slot die. Accordingly, the electrode slurry is uniformly applied to a current collector so that a defective rate in electrode manufacturing can be reduced.
Resumen de: US2024290984A1
Provided is a negative electrode including a negative electrode active material layer, wherein the negative electrode active material layer includes a negative electrode active material, a binder, a conductive agent, and a dispersant, wherein the conductive agent includes a carbon nanotube structure in which a plurality of single-walled carbon nanotube units are bonded side by side, the carbon nanotube structure has an average length of 1 μm to 20 μm, and QBR according to Equation 1 is in a range of 1 to 1.75QBR=Bs/Bf.Equation1
Resumen de: US2024290976A1
This invention relates to materials for electrodes, to materials for lithium-ion batteries, and to materials for lithium-ion storage.
Resumen de: US2024290982A1
The present disclosure provides a mixture composition for a secondary battery electrode having good properties and a method for producing an electrode mixture sheet, an electrode mixture sheet, an electrode, and a secondary battery that contain the mixture composition for a secondary battery electrode. The mixture composition for a secondary battery electrode includes a binder, a conductive aid and/or an electrode active material, and a liquid component that can be used as a component in a liquid electrolytic solution.
Resumen de: US2024291042A1
A lithium secondary battery including a laminate that is a sintered body of positive electrode layers, negative electrode layers, and separators, and in which the positive electrode layers and the negative electrode layers are alternately laminated through the separators. The laminate includes a first insulating layer contacting a first end portion of each of the positive electrode layers in a width direction thereof, and a second insulating layer contacting a second end portion of each of the negative electrode layers in a width direction thereof on a side opposite to the first end portion in the width direction. When an external thickness of the laminate is represented by T, and an average of thicknesses of the first insulating layers and thicknesses of the second insulating layers is represented by tave, (tave/T)×100≤30 (%) is satisfied.
Resumen de: WO2024174293A1
Disclosed are a fibrous silicon-carbon composite material and a preparation method therefor. The fibrous silicon-carbon composite material comprises a core-shell structure, the core of the core-shell structure being composed of a porous carbon fiber and a nanometer silicon, and the shell of the core-shell structure being composed of an inorganic lithium salt and an amorphous carbon. The present invention has the characteristic of high electronic conductivity, and a lithium-ion battery in which said material is applied presents excellent rate and cycle performance.
Resumen de: WO2024175389A1
An aqueous dispersion containing aluminum oxide powder, characterized in that the aluminum oxide powder is present in the form of aggregated primary particles with an aggregate particle size distribution with a median aggregate particle size (D50) of 220 nm to 500 nm, as determined by dynamic light scattering measurement, and wherein the aluminum oxide powder has a BET of 10 m2/g to 100 m2/g, in an amount of at least 20 wt.%, preferably 40 to 60 wt.%, and more preferably 50 to 60 wt.% based on the total weight of the dispersion, and that the dispersion further comprises: - at least one carboxylic acid from the group consisting of dicarboxylic acids and/or hydroxy tricarboxylic acids having from 2 to 7 carbon atoms, and - at least one amino alcohol having from one to six carbon atoms, preferably DMEA (dimethylethanolamine), 2-Amino-2-Methyl-1 -Propanol.
Resumen de: WO2024175318A1
Disclosed in the present invention is a battery thermal insulation pad, characterised in that the battery thermal insulation pad comprises at least one elastic functional layer (10) and at least one fibrous support layer (20), the elastic functional layer (10) comprising an organic base material and a first filler, the first filler comprising at least one of a heat-absorbing filler or a thermal insulation filler, and combinations thereof; the fibrous support layer (20) comprising a fibrous base material with gaps; wherein the elastic functional layer (10) at least partially fills the gaps of the fibrous base material. The battery thermal insulation pad has excellent thermal insulation performance and has certain elasticity so that it can absorb the pressure caused by the deformation of surrounding components.
Resumen de: WO2024175142A1
The invention relates to an energy storage cell (10) for a motor vehicle, the energy storage cell comprising a casing (20), which defines an interior region (22), and an end plate assembly (30), which delimits the interior region (22) and has a connection terminal (32), wherein the connection terminal (32) has, at a surface (34) situated opposite the interior region (22), a hole (36) which is open to the surroundings (U) of the energy storage cell (10), and wherein the connection terminal (32) has, at the hole (36), a first connecting portion (38) for detachably connecting the end plate assembly (30) to a tie rod (40) which is at least in part of complementary design with respect to the first connecting portion (38). The invention furthermore relates to an energy storage cell assembly, to a motor vehicle, to a tie rod, and to a method for producing an energy storage cell assembly.
Resumen de: WO2024175841A1
The invention relates to an electric battery (10) comprising a plurality of electrochemical cells (11) arranged inside a containment structure (12). The battery (10) is provided with a cooling device comprising at least one heat pipe (1) configured to contain a heat-transfer fluid that is intended to undergo an evaporation and condensation cycle, wherein calories are drawn from an evaporation end (4) of the heat pipe (1) arranged in contact with the cells (11) and delivered to a condensation end (5) of the heat pipe (1) to a cold source (F) located outside the confinement structure (12), the at least one heat pipe (1) being overmoulded onto a base (13) of the confinement structure (12).
Resumen de: WO2024175916A1
A solid crystalline material of formula (I): LiaM2-bMʹbS7-yYy I1-xXx; wherein: a is from 5 to 9; M is selected from Si, Ge or Sn, or a mixture thereof; Mʹ is selected from Zn, B, Al, Ga, Sb, P, V, Nb, Ta, Mo, or W, or a mixture thereof; b is from 0 to 2; Y is selected from O, Se, Te, N, F, Cl, Br or I, or a mixture thereof; y is from 0 to 5; X is selected from O, S, Se, Te, F, Cl, Br, BH4, OH, or NH2, or a mixture thereof; and x is from 0 to 1. The solid crystalline material suitably provides a solid ionic conductor for use in a solid-state battery. A solid crystalline material comprising a solid solution, a solid-state battery comprising the solid crystalline material and a method of preparing the solid crystalline are also disclosed.
Nº publicación: WO2024175210A1 29/08/2024
Solicitante:
THEION GMBH [DE]
THEION GMBH
Resumen de: WO2024175210A1
Embodiments are disclosed related to a current collector comprising a porous, freestanding, three-dimensional structure and at least one current collector tab. The at least one tab and the three-dimensional structure are connected. The three- dimensional structure comprises at least one layer that is formed of a one-dimensional (1D) nanomaterial, a two-dimensional (2D) nanomaterial, or mixtures thereof, and wherein the nanomaterial in said layer is aligned towards the at least one tab.
BOPI
Sede Electrónica
