# US 12,224,430 B2 · Positive electrode material and battery > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,224,430 B2 - Document ID: US12224430B2 - Status: Granted - Kind: B2 - Application number: 17/506,720 - Filed: 2021-10-21 - Published: 2022-02-10 - Granted: 2025-02-11 - Earliest claimed: 2019-06-26 - Assignees: Panasonic Intellectual Property Management Co., Ltd. - Applicants: Panasonic Intellectual Property Management Co., Ltd. - Inventors: Izuru Sasaki - Web page: https://patentgrep.com/patent/US12224430B2 ## CPC - H01M 4/366: {as layered products} - C01F 17/00: Compounds of rare earth metals - H01M 4/131: Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx - H01M 4/525: of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy - H01M 4/62: Selection of inactive substances as ingredients for active masses, e.g. binders, fillers - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - H01M 10/0562: Solid materials - H01M 2004/028: {Positive electrodes} - H01M 2300/0068: inorganic - H01M 2300/008: Halides - Y02E 60/10: Energy storage using batteries - H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY - C01F: COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS (metal hydrides {monoborane, diborane or addition complexes thereof} C01B6/00; salts of oxyacids of halogens C01B11/00; peroxides, salts of peroxyacids C01B15/00; sulfides or polysulfides of magnesium, calcium, strontium, or barium C01B17/42; thiosulfates, dithionites, polythionates C01B17/64; compounds containing selenium or tellurium C01B19/00; binary compounds of nitrogen with metals C01B21/06; azides C01B21/08; {compounds other than ammonia or cyanogen containing nitrogen and non-metals and optionally metals C01B21/082; amides or imides of silicon C01B21/087}; metal {imides or} amides C01B21/092, {C01B21/0923}; 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 cyanic acid C01C3/14; salts of cyanamide C01C3/16; thiocyanates C01C3/20; {double sulfates of magnesium with sodium or potassium C01D5/12; with other alkali metals C01D15/00, C01D17/00}) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A positive electrode material contains at least one positive electrode active material, a solid electrolyte, and a coating material. The solid electrolyte is represented by formula (1), LiαMβXγ (1) where α, β, and γ are each independently a value greater than 0, M includes at least one element selected from the group consisting of non-Li metals and metalloids, and X includes at least one selected from the group consisting of F, Cl, Br, and I. The coating material covers the surface of the positive electrode active material and contains lithium carbonate. ## Claims ### Claim 1 A positive electrode material comprising: at least one positive electrode active material; a solid electrolyte; and a coating material, wherein: the solid electrolyte is represented by composition formula (A1), Li6-3dYdX6 (A1) where X is two or more elements selected from the group consisting of F, Cl, Br, and I, and d satisfy the relation 0