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:
Dec. 12, 2006
Filed:
Apr. 18, 2002
Takashi Okamoto, Gunma, JP;
Hiroyuki Fujimoto, Kobe, JP;
Toyoki Fujihara, Kobe, JP;
Masahiro Iyori, Hirakata, JP;
Maruo Kamino, Kobe, JP;
Shigeki Matsuta, Kobe, JP;
Takashi Okamoto, Gunma, JP;
Hiroyuki Fujimoto, Kobe, JP;
Toyoki Fujihara, Kobe, JP;
Masahiro Iyori, Hirakata, JP;
Maruo Kamino, Kobe, JP;
Shigeki Matsuta, Kobe, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
In an electrode for a rechargeable lithium battery which includes a current collector and a thin film composed of active material that has the capability to store and release lithium either electrochemically or chemically and deposited on the current collector, the current collector comprises a copper alloy and has a tensile strength of 400 N/mmor higher, a proportional limit of 160 N/mmor higher, an elastic coefficient of 1.1 N/mmor higher and a surface roughness Ra of 0.01–1 μm at its surface that carries the thin film of active material thereon.