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:
Dec. 23, 2014
Filed:
Feb. 28, 2012
Applicants:
Atsushi Ito, Ebina, JP;
Kenzo Oshihara, Yokohama, JP;
Yasuhiko Ohsawa, Yokosuka, JP;
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/505 (2013.01); H01M 4/525 (2013.01); Y02E 60/122 (2013.01);
Abstract
The positive electrode active material includes a compound represented by the following composition formula:[Li][LiMnM]O(wherein x satisfies 0.1≦x≦0.5, and M is represented by NiCoMnin which α, β and γ satisfyand, respectively), wherein a half width of the peak of a (001) crystal plane of the compound measured by X-ray diffraction is in a range fromtoinclusive, and an average primary particle diameter of the compound is in a range fromμm toμm inclusive.