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. 12, 1993
Filed:
Jul. 26, 1991
Applicant:
Inventors:
Assignee:
N.E. Chemcat Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ; B01J / ;
U.S. Cl.
CPC ...
429 40 ; 429 44 ; 502326 ;
Abstract
A platinum alloy electrocatalyst comprising an electrically conductive carrier and a platinum-cobalt-nickel-copper quaternary solid solution alloy dispersed in and deposited on the carrier, composed of 40-70 atomic % of platinum, 9-27 atomic % of cobalt, 9-27 atomic % of nickel and 9-27 atomic % of copper; and an electrode for acid electrolyte fuel cell, comprising said platinum alloy electrocatalyst, a water-repellent binder and an electrically conductive and acid-resistant supporting member to which the electrocatalyst and the binder are bonded.