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:
Feb. 21, 2023
Filed:
Feb. 13, 2020
Applicant:
Panasonic Corporation, Osaka, JP;
Inventor:
Hidekazu Hiratsuka, Osaka, JP;
Assignee:
PANASONIC HOLDINGS CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/505 (2010.01); C01G 53/00 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 53/50 (2013.01); H01M 4/505 (2013.01); C01P 2004/03 (2013.01); C01P 2004/50 (2013.01); C01P 2004/51 (2013.01); C01P 2004/61 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01); Y02E 60/10 (2013.01);
Abstract
A positive electrode active material for a non-aqueous electrolyte secondary battery according to an embodiment of the present disclosure is represented by a general formula of LiNiMO(where M includes at least one metal element selected from Co and Mn, 0.1≤x≤1.2, 0.3<y<1), has a volumetric average particle size (D50) of 7 μm or more and 30 μm or less, and has an average surface roughness of 4%, or less.