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:
May. 29, 2012
Filed:
Mar. 26, 2007
Applicants:
Isao Abe, Niihama, JP;
Satoshi Matsumoto, Niihama, JP;
Shuji Tsutsumi, Nara, JP;
Takashi Takeuchi, Osaka, JP;
Inventors:
Isao Abe, Niihama, JP;
Satoshi Matsumoto, Niihama, JP;
Shuji Tsutsumi, Nara, JP;
Takashi Takeuchi, Osaka, JP;
Assignees:
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Panasonic Corporation, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a positive electrode active material for a non-aqueous electrolyte-based secondary battery, composed of a lithium/nickel composite oxide with high capacity, low cost and excellent heat stability, an industrially suitable production method therefor, and a high safety non-aqueous electrolyte-based secondary battery. A lithium/nickel composite oxide is produced by the following steps (a) to (c):