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:
Jul. 08, 2003
Filed:
Mar. 28, 2000
Asako Sato, Yokohama, JP;
Takashi Kuboki, Tokyo, JP;
Shuji Yamada, Yokohama, JP;
Hiroyuki Hasebe, Chigasaki, JP;
Norio Takami, Yokohama, JP;
Takahisa Ohsaki, Yokohama, JP;
Motoya Kanda, Yokohama, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
There is provided a secondary battery comprising an electrode group comprising a positive electrode, a negative electrode having a negative electrode collector and a negative electrode layer held to the collector, and a separator interposed between the positive electrode and the negative electrode layer, a nonaqueous electrolyte held by the electrode group, and a jacket housing the electrode group and having a thickness of not more than 0.3 mm, wherein the positive electrode, the negative electrode and the separator are formed integral, and the peeling strength between the negative electrode layer and the separator is lower than the peeling strength between the negative electrode layer and the negative electrode collector.