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. 12, 2006
Filed:
Jun. 30, 2003
Applicants:
Atsuo Yamada, Kanagawa, JP;
Guohua LI, Kanagawa, JP;
Hideto Azuma, Kanagawa, JP;
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A non-aqueous electrolyte secondary battery employing a positive electrode active material containing a compound represented by the general formula LiMPO, where 0<x≦2 and 0.8≦y≦1.2, with M containing a 3d transition metal, where LiMPOencompasses that with the grain size not larger than 10 μm. The non-aqueous electrolyte secondary battery has superior cyclic characteristics and a high capacity.