The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 08, 2024
Filed:
Dec. 23, 2019
Applicant:
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Inventor:
Jun Suzuki, Niihama, JP;
Assignee:
SUMITOMO METAL MINING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/04 (2006.01); H01M 4/525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/0433 (2013.01); H01M 4/0471 (2013.01); H01M 4/525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract
A method for producing a positive electrode active material for a lithium ion secondary battery containing lithium-nickel composite oxide, includes: mixing a nickel compound, a lithium compound, and organic compound particles to obtain a lithium mixture; molding the lithium mixture to obtain a molded body; firing the molded body to obtain a fired body; and crushing the fired body to obtain lithium-nickel composite oxide powder.