# US 10,483,536 B2 · Production method of lithium-containing composite oxide and lithium-containing composite oxide > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,483,536 B2 - Document ID: US10483536B2 - Status: Granted - Kind: B2 - Application number: 14/824,681 - Filed: 2015-08-12 - Published: 2016-02-25 - Granted: 2019-11-19 - Earliest claimed: 2014-08-20 - Assignees: Sumitomo Chemical Company, Limited - Applicants: Sumitomo Chemical Co., Ltd. - Inventors: Masahiko Tamura; Takeshi Kawasato; Satoshi Asakura - Web page: https://patentgrep.com/patent/US10483536B2 ## 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 53/502: containing lithium and cobalt - C01G 53/504: with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.5, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.5 - C01G 53/506: with the molar ratio of nickel with respect to all the metals other than alkali metals higher than or equal to 0.8, e.g. Li(MzNixCoyMn1-x-y-z)O2 with x ≥ 0.8 - C01G 53/84: Hydroxides - H01M 4/505: of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy - 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 - C01P 2002/74: by peak-intensities or a ratio thereof only - C01P 2004/61: Micrometer sized, i.e. from 1-100 micrometer - C01P 2006/12: Surface area - C01P 2006/40: Electric properties - H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries - H01M 2004/021: {Physical characteristics, e.g. porosity, surface area} - H01M 2004/028: {Positive 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 There is provided a production method of a lithium-containing composite oxide capable of improving performances of cycle characteristics, rate characteristics, and the like of a lithium ion secondary battery. A production method of a lithium-containing composite oxide is characterized in that when producing a lithium-containing composite oxide by mixing a transition metal hydroxide containing Ni and Mn essentially and a lithium source and heating the mixture, a transition metal hydroxide having a crystallite diameter of the (100) plane being 35 nm or less in a crystal structure model in the space group P-3m1 of an X-ray diffraction pattern is used. ## Claims ### Claim 1 A lithium-containing composite oxide represented by Formula 5-B, wherein a peak intensity ratio (I003/I104) of an integral value (I003) of a diffraction peak of the (003) plane and an integral value (I104) of a diffraction peak of the (104) plane in an X-ray diffraction pattern is from 1.18 to 1.35, and a crystallite size of the (110) plane in the X-ray diffraction pattern is less than 30 nm; and wherein Formula 5-B is: Liα2Nix2Mny2Coz2Mea2Ob2 . . . , wherein Me represents at least one type of element selected from the group consisting of Mg, Ca, Al, Ti, V, Cr, Nb, Mo, W, and Zr, and wherein α2, x2, y2, z2, a2, and b2 satisfy the relations of 1.02≤α2≤1.2, 0.3