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:
Jan. 16, 1990
Filed:
Jan. 20, 1988
Seiji Takeuchi, Hitachiohta, JP;
Katsuya Ebara, Mito, JP;
Tomoichi Kamo, Ibaraki, JP;
Kazuo Iwamoto, Hitachi, JP;
Tatsuo Horiba, Hitachi, JP;
Teruo Kumagai, Hitachi, JP;
Kouki Tamura, Hitachi, JP;
Kunko Kitami, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A fuel cell electrode having a catalyst layer comprising electroconductive particles carrying a catalytically active component and a binder on a water-repellent baked plate comprising a carbon paper comprising carbon fiber and an organic binder and polytetrafluoroethylene infiltrated into voids of said carbon paper, characterized in that the carbon fiber of said baked plate has at least 20 cutting edges per square millimeter, and said polytetrafluoroethylene is infiltrated into at least one of said cutting edges to render the plate flexible.