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:
Apr. 15, 2014
Filed:
Jun. 18, 2008
Applicants:
Chizuru Matsuyama, Yokohama, JP;
Takuya Kinoshita, Yokosuka, JP;
Kyouichi Watanabe, Yokohama, JP;
Yoshinori Naruoka, Yokohama, JP;
Inventors:
Chizuru Matsuyama, Yokohama, JP;
Takuya Kinoshita, Yokosuka, JP;
Kyouichi Watanabe, Yokohama, JP;
Yoshinori Naruoka, Yokohama, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/80 (2006.01);
U.S. Cl.
CPC ...
Abstract
A battery electrode, includes: a collector; and an active material layer formed on a surface of the collector and including: an active material, and a conductive additive having a bulk density which is gradually decreased in a direction from a collector side of the active material layer to a surface side of the active material layer.