# US 2026/0074209 A1 · Vanadium oxide composite and battery using same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0074209 A1 - Document ID: US20260074209A1 - Status: Published application - Kind: A1 - Application number: 19/389,890 - Filed: 2025-11-14 - Published: 2026-03-12 - Earliest claimed: 2023-05-22 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Ryuhei KATAYAMA; Yoshiaki TANAKA; Kaori SHINODA - Web page: https://patentgrep.com/patent/US20260074209A1 ## CPC - H01M 4/485: of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy (H01M4/505, H01M4/525 take precedence) - C01G 31/00: Compounds of vanadium - C01G 31/02: Oxides - H01M 4/02: Electrodes composed of, or comprising, active material - H01M 4/13: Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof - H01M 4/131: Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx - H01M 4/1391: of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx - H01M 4/362: {Composites} - H01M 4/364: {as mixtures} - H01M 4/366: {as layered products} - H01M 4/48: of inorganic oxides or hydroxides - H01M 4/483: {for non-aqueous cells (H01M4/485 takes precedence)} - H01M 4/5825: {Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines} - H01M 4/62: Selection of inactive substances as ingredients for active masses, e.g. binders, fillers - H01M 4/624: {Electric conductive fillers} - H01M 4/625: {Carbon or graphite} - H01M 4/626: {Metals} - H01M 10/052: Li-accumulators - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - C01P 2002/50: Solid solutions - C01P 2004/61: Micrometer sized, i.e. from 1-100 micrometer - C01P 2004/80: Particles consisting of a mixture of two or more inorganic phases - C01P 2004/84: one phase coated with the other - C01P 2006/40: Electric properties - H01M 2004/021: {Physical characteristics, e.g. porosity, surface area} - H01M 2004/027: {Negative electrodes} - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - C01G: COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F (metal hydrides {monoborane, diborane or addition complexes thereof} C01B6/00; salts of oxyacids of halogens C01B11/00; peroxides, salts or peroxyacids C01B15/00; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium, or tellurium C01B19/00; binary compounds of nitrogen with metals C01B21/06; azides C01B21/08; {compounds containing nitrogen, other non-metals and metal C01B21/082}; metal amides C01B21/092; nitrites C01B21/50; {compounds of noble gases C01B23/0005}; phosphides C01B25/08; salts of oxyacids of phosphorus C01B25/16; carbides C01B32/90; compounds containing silicon C01B33/00; compounds containing boron C01B35/00; compounds having molecular sieve properties but not having base-exchange properties C01B37/00; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, C01B39/00; cyanides C01C3/08; salts of cyanamide C01C3/16; thiocyanates C01C3/20) - C01P: INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A vanadium oxide composite of the present disclosure includes: a particle including a vanadium oxide; and an electrically conductive material at least partially coating a surface of the particle. A surface coverage of the particle by the electrically conductive material is 30% or more. The vanadium oxide composite has an average particle size of 0.5 μm or more and 5.0 μm or less. ## Claims ### Claim 1 A vanadium oxide composite comprising: a particle including a vanadium oxide; and an electrically conductive material at least partially coating a surface of the particle, wherein a surface coverage of the particle by the electrically conductive material is 30% or more, and the vanadium oxide composite has an average particle size of 0.5 μm or more and 5.0 μm or less. ### Claim 2 (depends on 1) The vanadium oxide composite according to claim 1, wherein the electrically conductive material is a carbon material. ### Claim 3 (depends on 1) The vanadium oxide composite according to claim 1, wherein the average particle size is 0.55 μm or more and 4.5 μm or less. ### Claim 4 (depends on 1) The vanadium oxide composite according to claim 1, wherein the average particle size is 0.6 μm or more and 4.0 μm or less. ### Claim 5 (depends on 1) The vanadium oxide composite according to claim 1, wherein the average particle size is 0.8 μm or more and 3.0 μm or less. ### Claim 6 (depends on 1) The vanadium oxide composite according to claim 1, wherein the surface coverage is 40% or more. ### Claim 7 (depends on 1) The vanadium oxide composite according to claim 1, wherein the surface coverage is 55% or more. ### Claim 8 (depends on 1) The vanadium oxide composite according to claim 1, wherein the surface coverage is 70% or less. ### Claim 9 (depends on 1) The vanadium oxide composite according to claim 1, wherein the vanadium oxide is represented by a composition formula (1) Li3+xV1−xMxO4, where 0≤x<1 is satisfied, and M is at least one element selected from the group consisting of a tetravalent metal element and a tetravalent metalloid element. ### Claim 10 (depends on 9) The vanadium oxide composite according to claim 9, wherein 0