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:
Aug. 04, 2015
Filed:
Feb. 10, 2009
Applicants:
Shinya Wakita, Fukushima, JP;
Izaya Okae, Fukushima, JP;
Inventors:
Shinya Wakita, Fukushima, JP;
Izaya Okae, Fukushima, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 4/587 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/587 (2013.01); H01M 4/58 (2013.01); H01M 4/621 (2013.01); H01M 10/0525 (2013.01); Y02E 60/122 (2013.01);
Abstract
A secondary battery capable of providing a high energy density and superior cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer containing a carbon material and a lithium-containing compound (LiMN) as an anode active material. M is one or more transition metal elements. a is a numerical value satisfying 0<a≦0.8. The average particle diameter of the lithium-containing compound is 1 μm or less