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. 12, 2014
Filed:
Jan. 30, 2007
Isamu Konishiike, Fukushima, JP;
Kenichi Kawase, Fukushima, JP;
Shigeru Fujita, Fukushima, JP;
Momoe Adachi, Tokyo, JP;
Isamu Konishiike, Fukushima, JP;
Kenichi Kawase, Fukushima, JP;
Shigeru Fujita, Fukushima, JP;
Momoe Adachi, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A negative electrode for a secondary battery includes a negative electrode current collector and a negative electrode active material layer provided in the negative electrode current collector and which is alloyed with the negative electrode current collector at least at a part of an boundary face between it and the negative electrode current collector, wherein the negative electrode current collector has a first surface on which the negative electrode active material layer is formed and a second surface on which the negative electrode active material layer is not formed, the negative electrode having a portion in which the second surfaces of the negative electrode current collector are opposed to each other.