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:
Nov. 28, 2017
Filed:
Jun. 12, 2014
Applicant:
Sony Corporation, Tokyo, JP;
Inventors:
Momoe Adachi, Tokyo, JP;
Shunsuke Kurasawa, Fukushima, JP;
Isamu Konishiike, Kanagawa, JP;
Kenichi Kawase, Fukushima, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 4/04 (2006.01); H01M 4/134 (2010.01); H01M 4/139 (2010.01); H01M 4/13 (2010.01); H01M 4/02 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01M 4/04 (2013.01); H01M 4/13 (2013.01); H01M 4/134 (2013.01); H01M 4/139 (2013.01); H01M 4/38 (2013.01); H01M 4/387 (2013.01); H01M 10/052 (2013.01); H01M 2004/021 (2013.01);
Abstract
A secondary battery capable of improving cycle characteristics is provided. An anode includes: an anode active material layer on an anode current collector, the anode active material layer including a plurality of anode active material particles, in which the average particle area of the plurality of anode active material particles observed from a surface of the anode active material layer is within a range of 1 μmto 60 μmboth inclusive.