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. 03, 2005
Filed:
Apr. 09, 2002
Hiroyuki Fujimoto, Kobe, JP;
Hiroko Sanda, Kobe, JP;
Takashi Okamoto, Gunma, JP;
Toyoki Fujihara, Kobe, JP;
Masahiro Iyori, Hirakata, JP;
Maruo Kamino, Kobe, JP;
Shigeki Matsuta, Kobe, JP;
Hiroyuki Fujimoto, Kobe, JP;
Hiroko Sanda, Kobe, JP;
Takashi Okamoto, Gunma, JP;
Toyoki Fujihara, Kobe, JP;
Masahiro Iyori, Hirakata, JP;
Maruo Kamino, Kobe, JP;
Shigeki Matsuta, Kobe, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
An electrode for a rechargeable lithium battery which includes a current collector and a thin film composed of active material that stores and releases lithium and deposited on the current collector, the electrode being characterized in that the current collector has irregularities on its surface and the thin film has spaces extending in a thickness direction of the thin film and configured to increase their width dimensions toward valleys of the irregularities on the current collector surface.