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:
Apr. 25, 2023
Filed:
Sep. 22, 2020
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Ryuichi Natsui, Osaka, JP;
Kensuke Nakura, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/1315 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/052 (2010.01); H01M 10/0566 (2010.01); C01G 51/00 (2006.01); C01G 45/00 (2006.01); C01G 53/00 (2006.01); H01M 4/485 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/1315 (2013.01); C01G 45/006 (2013.01); C01G 51/006 (2013.01); C01G 53/006 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 10/0566 (2013.01); C01P 2002/54 (2013.01); C01P 2002/76 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01); H01M 2220/30 (2013.01);
Abstract
A positive-electrode active material containing a compound that has a crystal structure belonging to the space group FM-3M and is represented by the composition formula (1):LiMeOF  (1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, and Al, and the following conditions are satisfied. 1.3≤x≤2.2, 0.8≤y≤1.3, 1≤α≤2.93, 0.07≤β≤2.