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:
May. 27, 2014
Filed:
Oct. 09, 2007
Applicants:
Satoshi Shibutani, Osaka, JP;
Hideharu Takezawa, Nara, JP;
Kazuyoshi Honda, Osaka, JP;
Toshitada Sato, Osaka, JP;
Inventors:
Satoshi Shibutani, Osaka, JP;
Hideharu Takezawa, Nara, JP;
Kazuyoshi Honda, Osaka, JP;
Toshitada Sato, Osaka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 4/13 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A negative electrodefor a nonaqueous electrolytic secondary cell includes a current collectorand a plurality of active material bodiesformed on a surface of the current collectorat intervals; each active material bodycontains a material for occluding or releasing lithium; and a plurality of projectionsare formed on a part of a side surface of each active material body