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1452
resultados
Última actualización
04/05/2025 [07:15:00]
Resultados 100 a 125 de 1452
Resumen de: US2025140905A1
A deformable halide-based ionic conductor has one of the following formulas: NaLi3I4, NaLi3Br4, NaLi3Cl4, KLi2F3, Li2HfF6, Li3AgI4, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4 having a trigonal crystal structure with space group R-3, Li3AgCl4, or Li2AgCl3. A catholyte includes a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, KLi2F3, Li2HfF6, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4, Li3AgCl4, or Li2AgCl3. A solid electrolyte separator includes a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, NaLi3I4, NaLi3Br4, NaLi3Cl4, KLi2F3, Li2HfF6, Li3AgI4, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4, Li3AgCl4, or Li2AgCl3. A solid state battery includes an anode, a cathode, and a solid electrolyte separator including a deformable halide-based ionic conductor having one of the following formulas: CsLi2Cl3, wherein the CsLi2Cl3 has an orthorhombic crystal structure, NaLi3I4, NaLi3Br4, NaLi3Cl4, KLi2F3, Li2HfF6, Li3AgI4, Li3SiB3(ClF3)4, Li3AgBr4, Li2ZnF4, Li3AgCl4, or Li2AgCl3.
Resumen de: US2025140907A1
The present invention provides a ceramic material for a solid-state electrolyte, the ceramic material comprising: a first lithium ion conductor; and a second lithium ion conductor different from the first lithium ion conductor and which is a lithium metal halide.
Resumen de: US2025140994A1
The battery includes an electrode body and a laminate outer encasement covering the electrode body, wherein the battery is disposed on an outer side of the laminate outer encasement, covers an entire surface of the laminate outer encasement, and includes a resin member including a polyurea resin, and the average thickness of the resin member is larger than 0.5 mm and smaller than 1.5 mm.
Resumen de: US2025141001A1
A power storage device includes a case member, a terminal member, and a resin member that fixes the terminal member to the case member. At least one of a case seal portion and a terminal seal portion has a plurality of first seal portions each of which extends continuously over the entire periphery in a circumferential direction and is subjected to cohesive failure when a joint with the resin member breaks down, and a second seal portion that is disposed between the first seal portions adjacent to each other, extends continuously over the entire periphery in the circumferential direction, and is subjected to interfacial failure when a joint with the resin member breaks down.
Resumen de: US2025141003A1
The battery module according to the present disclosure includes a cell block assembly including a plurality of cells, a bottom plate disposed on a first surface of the cell block assembly, a frame surrounding a second surface opposite to the first surface and a side surface of the cell block assembly, and a pair of end plates disposed on each of front and rear surfaces of the cell block assembly, respectively.
Resumen de: US2025141007A1
A battery module is disclosed. In some implementations, the battery module includes: a plurality of battery cells; a plurality of end plates respectively disposed on both sides of the plurality of battery cells; and an elastic plate connected to the plurality of end plates, wherein the elastic plate includes a cover part covering sides of the plurality of battery cells, and a buffer portion extending from the cover part, and disposed between at least some of the plurality of battery cells.
Resumen de: US2025141006A1
Battery stacks are disclosed. In examples, the battery stack comprises a plurality of electrochemical cells. Each electrochemical cell of the plurality comprises a cathode layer, an electrolyte layer arranged on the cathode layer, and an anode layer arranged on the electrolyte layer. The battery stack comprises a cathode current collector comprising at least a first portion and a second portion, the first portion arranged on the cathode layer of a first electrochemical cell of the plurality of electrochemical cells, the second portion arranged on the cathode layer of a second electrochemical cell of the plurality of electrochemical cells. Between the first portion and second portion of the cathode current collector, the cathode current collector comprises an intermediate portion, at least one surface of which coated with an electrically-insulating coating. Also described are methods of manufacturing battery stacks, functionalised current collectors and methods of manufacturing thereof, and electrically-powered devices.
Resumen de: US2025141008A1
A compression cell for use in a battery pack comprising a plurality of linearly stacked battery cells. The compression cell includes an at least partially fluid-filled and fluid-proof flexible container having at least one inflation channel that provides fluid communication between the flexible container and an exterior of the flexible container.
Resumen de: US2025140827A1
One embodiment of the present invention provides a positive electrode active material for a sodium secondary battery, including P2-type layered oxide particles and O3-type layered oxide particles, wherein in SEM-EDS mapping analysis, an atomic ratio (S3/S2) of a surface Na content (at %) (S3) of the O3-type layered oxide particles to a surface Na content (at %) (S2) of the P2-type layered oxide particles is 0.4 to 1.6.
Resumen de: US2025140856A1
An electrode material having a structure of Formula Awherein R1, R2, R3, R4 and R5 are H or Formula A-1
Resumen de: US2025140815A1
An electrochemical device, including a positive electrode. The positive electrode includes a positive electrode current collector and a positive electrode active material layer disposed on a surface of the positive electrode current collector. The positive electrode active material layer includes a base portion and a protruding portion on a surface of the base portion away from the current collector, where a thickness of the base portion is d microns, and a height of the protruding portion is a microns. The positive electrode active material layer includes a positive electrode active material, and the positive electrode active material includes a lithium-nickel composite oxide, where a molar proportion of element nickel in the lithium-nickel composite oxide in metal elements other than lithium in the lithium-nickel composite oxide is X, satisfying: 0.2d×x≤a≤1.15d×x.
Resumen de: US2025137088A1
The invention provides a method for producing valuable metals from raw material containing the valuable metals containing Cu, Ni, and Co, the method including: a preparation step of preparing a raw material containing at least Li, Al, and the valuable metals; a reductive melting step; and a slag separation step of separating slag from the reduced product to recover an alloy, wherein in any one or both of the preparation step and the reductive melting step, a flux containing calcium (Ca) is added to the raw material, and in the reductive melting step, while cooling the furnace wall of the melting furnace by the cooling means, the thickness of the slag layer is adjusted so that the temperature of the interface between a layer of the alloy and a layer of the slag is higher than the temperature of the refractory surface of the furnace wall in the melting furnace.
Resumen de: US2025140825A1
A lithium-ion battery with an enhanced electrode structure and methods for forming such an electrode structure are discussed. The electrode assembly comprises a pre-coat layer compressed with a metal current collector on which a lithium-manganese rich active layer is then deposited and compressed to form the assembly. The disclosed electrode structure reduces internal resistance.
Resumen de: US2025140887A1
An electrode-stacking wheel designed to receive and convey planar electrode elements, includes: a spindle designed for the rotating of the electrode-stacking wheel; a plurality of stacking fingers, which are radial to the spindle and which are arranged circumferentially around the axis of rotation; a plurality of intermediate spaces, which are formed between the respective stacking fingers, each intermediate space being designed to receive at least one of the electrode elements; and an electrode-clamping element formed in each of the intermediate spaces, each electrode-clamping element being designed such that, in the clamping state, the electrode-clamping element applies clamping force to a main surface of one of the electrode elements and presses the electrode element in question against the stacking finger in question by means of the force application.
Resumen de: US2025140925A1
A battery cell includes an electrolyte, positive and negative electrode plates, and a separator provided between the positive and negative electrode plates. The electrolyte includes a lithium salt including lithium hexafluorophosphate, a mass percentage of which with respect to a total mass of the electrolyte ranges from 15% to 20%. The positive/negative electrode plate includes a positive/negative electrode current collector and a positive/negative electrode film layer provided on at least one side of the positive/negative electrode current collector and containing a positive/negative electrode active material. The negative electrode active material contains carbon and silicon. A mass percentage of silicon with respect to a total mass of the negative electrode active material is greater than or equal to 0.3% and less than or equal to 3.0%.
Resumen de: US2025140920A1
The present invention provides a high-performance organic lithium-bromine battery enabled by two-electron redox chemistry. The battery includes a bromide-based cathode, an anode, an organic electrolyte disposed in a space between the bromide-based cathode and the anode, featuring an organic solvent with chloride ions-containing additives, and a separator positioned between the bromide-based cathode and anode. The chloride ions within the organic electrolyte trigger a conversion of positively charged bromine ions, facilitating an additional electron transfer and resulting in a capacity of at least 600 mAh g−1, and elevates an output plateau to 3.8 V, thereby achieving an energy density of at least 2000 Wh kg−1Br.
Resumen de: US2025140915A1
A lithium ion conductor contains a solid electrolyte containing Li, La, Zr, and O and having a garnet-type or garnet-like crystal structure and an electrolyte solution in which a lithium salt is dissolved in at least one organic solvent. The organic solvent includes sulfolane or a sulfolane derivative, and, in the electrolyte solution, the molality of the lithium salt is 1.4 mol/kg or more. The percentage of the volume of the solid electrolyte to the total of the volume of the solid electrolyte and the volume of the electrolyte solution is 52% or more and less than 100%. The sheet and the power storage device contain the lithium ion conductor.
Resumen de: US2025141035A1
A battery pack includes a cell stack including one or more battery cells, including a pack case. The pack case includes a base plate supporting a lower portion of the cell stack; a main wall extending across the base plate and coupled to a center portion of the base plate; a side wall having a hollow shape and including a gas venting path therein, and coupled along an edge of the base plate; and a plurality of supplementary wall having a front end coupled to the main wall, and a rear end coupled to the side walls. The supplementary wall includes a first partition member including a pair of ribs along a longitudinal direction of the supplementary wall, and a second partition member coupled to the first partition member. At least one of the first partition member and the second partition member includes a first hole between the ribs.
Resumen de: US2025141010A1
Disclosed is a battery module, which includes a cell stack including a plurality of battery cells; a compression member disposed on at least one side of the cell stack and interposed in a gap between the battery cells, the compression member being configured to be shape-deformable by an external pressure; and a pressurizing member configured to pressurize the compression member on the at least one side of the cell stack.
Resumen de: US2025141027A1
Provided are an energy storage module and a battery pack, including a body portion and at least one strip. The body portion includes a battery cell assembly and end plates arranged at two sides of the battery cell assembly in a length direction of the energy storage module. The strip is arranged around an outer side of the body portion along a circumferential direction of the body portion to fix the battery cell assembly and the end plates. A side of each of the end plates away from the battery cell assembly is provided with at least one engaging structure. The engaging structure includes an engaging space. Part of the strip is located in the engaging space to limit a relative position between the end plate and the strip. The engaging structure is arranged at the end plate to have a limiting effect on the strip.
Resumen de: US2025141032A1
A battery cell includes a housing and a pressure relief mechanism. A first through-hole is created on the housing. The pressure relief mechanism covers the first through hole. A cover sheet in the pressure relief mechanism is bonded to the housing by the adhesive film. A first passivation layer is disposed on a surface of the cover sheet. The adhesive film is meltable by heat to make the cover sheet fall off to form a pressure relief channel communicating inside and outside of the housing.
Resumen de: US2025141022A1
A battery pack assembly (100), the assembly (100) comprises: a plurality of cells (102a, 102b), each cell (102a, 102b) having a body portion extending between a first end having a first terminal and a second end having a second terminal, a first holding frame (101a) being configured to accommodate at least the first end of one or more of the plurality of cells (102a, 102b) and a second holding frame (101b) being configured to accommodate at least the second end of one or more of the plurality of cells (102a, 102b), an electrical control unit (103) configured to control the electrical output of the battery pack assembly (100), and a separator plate (104), wherein the separator plate (104) is located between the plurality of cells (102a, 102b) and the electrical control unit (103) and is secured to the first holding frame (101a) and the second holding frame (101b).
Resumen de: US2025140822A1
A positive electrode active material precursor according to one aspect of the present invention may be a precursor including a plurality of hydroxide particles, and may satisfy Relational Expression 1 below in an XRD pattern obtained through Rietveld fitting as a result of X-ray diffraction (XRD) analysis using a CuKα ray:0.82≤FWHM(102)≤1.22,RelationalExpression1wherein a positive electrode active material precursor according to one aspect of the present invention may be also a precursor including a plurality of oxide particles, and may satisfy Relational Expression 2 below in an XRD pattern obtained through Rietveld fitting as a result of X-ray diffraction (XRD) analysis using a CuKα ray:127≤XRDpeakIntegralbreadth/4tanθ≤137,RelationalExpression2wherein, in above Relational Expression 1, said FWHM(102) means a full width at half maximum (FWHM(deg., 2θ)) of a (102) plane at an XRD peak defined by a hexagonal lattice having a R-3m space group, and in above Relational Expression 2, XRD peak Integral breadth is a value obtained by dividing an “area of the XRD peak” by a “height of the XRD peak,” and θ is a Bragg angle of the corresponding peak.
Resumen de: US2025140828A1
This invention provides a method for treating positive electrode active material particles comprising steps of a lithium-nickel composite is introduced into water and stirred to prepare a slurry; an aluminum-containing solution is dripped onto the slurry while the slurry is stirred; the slurry on which the aluminum-containing solution has been dripped is filtered to obtain a cake-like compound; and the cake-like compound is dried by performing a heat treatment, and a Li—Al hydroxide coating layer is formed on surfaces of secondary particles of the lithium-nickel composite, and at least part of grain boundary portions formed by adjacent primary particles located on the outermost surface, among a plurality of primary particles constituting the secondary particles, and thus possible to restrict any more cracking of particles than necessary and to control the amount of residual lithium, and a deterioration in battery characteristics can be restricted, even with repeated use over long time.
Nº publicación: US2025140826A1 01/05/2025
Solicitante:
ECOPRO BM CO LTD [KR]
ECOPRO BM CO., LTD
Resumen de: US2025140826A1
The present invention provides a positive electrode active material for a sodium secondary battery, including layered oxide particles containing at least sodium and a transition metal, and a coating layer located on the layered oxide particles, wherein the coating layer includes at least two compounds selected from compounds having crystal structures belonging to space groups P421c, Fd-3m, and Pnma, respectively.
BOPI
Sede Electrónica
