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:
Oct. 04, 1983
Filed:
Oct. 14, 1981
Seizi Takeuchi, Hitachiota, JP;
Kenzo Ishii, Hitachi, JP;
Toshiki Kahara, Tokaimura, JP;
Jinichi Imahashi, Hitachi, JP;
Masato Takeuchi, Katsuta, JP;
Hideo Okada, Hitachi, JP;
Sigeru Okabe, Hitachi, JP;
Shimpei Matsuda, Tokaimura, JP;
Fumito Nakajima, Hitachi, JP;
Hirosi Tobita, Kitaibaraki, JP;
Kohki Tamura, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Fuel cell with improved and stabilized electrode performance having at least one gas diffusion electrode, where the gas diffusion electrode comprises an electronconductive, gas-permeable substrate and an electrode catalyst uniformly distributed on the substrate, the electrode catalyst comprising colonies each consisting of not more than 20 primary particles of noble metal each having a size of 10-30 A and being uniformly distributed and deposited on carrier powder.