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:
Nov. 28, 2006
Filed:
Aug. 12, 2002
Hisatoshi Fukumoto, Tokyo, JP;
Osamu Hiroi, Tokyo, JP;
Kenro Mitsuda, Tokyo, JP;
Hideo Maeda, Tokyo, JP;
Yasuhiro Yoshida, Tokyo, JP;
Tatsuya Hayashi, Tokyo, JP;
Akihisa Yoshimura, Tokyo, JP;
Hisatoshi Fukumoto, Tokyo, JP;
Osamu Hiroi, Tokyo, JP;
Kenro Mitsuda, Tokyo, JP;
Hideo Maeda, Tokyo, JP;
Yasuhiro Yoshida, Tokyo, JP;
Tatsuya Hayashi, Tokyo, JP;
Akihisa Yoshimura, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A fuel cell includes an electrolyte membrane, an anode on one surface of the electrolyte membrane and having an anode catalyst layer that is supplied with fuel and contains a platinum-ruthenium alloy catalyst, and a cathode on the other surface of the electrolyte membrane and having an cathode catalyst layer that is supplied with air and contains a platinum catalyst. The anode catalyst layer and the cathode catalyst layer include divided catalyst segments, and gaps between the divided catalyst segments that are adjacent to each other.