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:
Feb. 07, 2017
Filed:
Jun. 25, 2007
Applicants:
Masayuki Iwama, Fukushima, JP;
Rikako Imoto, Fukushima, JP;
Kenichi Kawase, Fukushima, JP;
Akinori Kita, Fukushima, JP;
Inventors:
Masayuki Iwama, Fukushima, JP;
Rikako Imoto, Fukushima, JP;
Kenichi Kawase, Fukushima, JP;
Akinori Kita, Fukushima, JP;
Assignee:
SONY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/64 (2006.01); H01M 10/052 (2010.01); H01M 10/054 (2010.01); H01M 4/66 (2006.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 10/0569 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/661 (2013.01); H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 4/667 (2013.01); H01M 10/052 (2013.01); H01M 10/0569 (2013.01); H01M 2004/021 (2013.01); Y02E 60/122 (2013.01); Y02P 70/54 (2015.11); Y10T 428/31678 (2015.04);
Abstract
A current collector forming an electrode for battery is provided. The electrode current collector includes a conductive layer made of copper or a copper alloy. Furthermore, the conductive layer has a plurality of crystallites, the crystallites containing crystallites having a cross-section area of 20 μmor more.