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.

Date of Patent:
Nov. 26, 2002

Filed:

Jun. 21, 2000
Applicant:
Inventors:

Kaoru Fukuda, Wako, JP;

Kazuhide Terada, Wako, JP;

Nobuhiro Saito, Wako, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/10 ;
U.S. Cl.
CPC ...
H01M 8/10 ;
Abstract

An active solid polymer electrolyte membrane in a solid polymer type fuel cell comprises a solid polymer electrolyte membrane and a plurality of precious metal catalyst particles supported on the surfaces of the aforementioned solid polymer electrolyte membrane by ion exchange and distributed uniformly over the surfaces thereof. In accordance with the use of this active solid polymer electrolyte membrane the ability to generate power can be enhanced.


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