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:
Dec. 30, 2003
Filed:
Mar. 19, 2001
Carbon monoxide tolerant electrocatalyst with low platinum loading and a process for its preparation
Applicant:
Inventors:
Radoslav Adzic, East Setauket, NY (US);
Stanko Brankovic, Coram, NY (US);
Jia Wang, East Setauket, NY (US);
Assignee:
Brookhaven Science Associates LLC, Upton, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/374 ; B01J 2/340 ; B01J 2/344 ;
U.S. Cl.
CPC ...
B01J 2/374 ; B01J 2/340 ; B01J 2/344 ;
Abstract
An electrocatalyst is provided for use in a fuel cell that has low platinum loading and a high tolerance to carbon monoxide poisoning. The fuel cell anode includes an electrocatalyst that has a conductive support material, ruthenium nanoparticles reduced in H and a Group VIII noble metal in an amount of between about 0.1 and 25 wt % of the ruthenium nanoparticles, preferably between about 0.5 and 15 wt %. The preferred Group VIII noble metal is platinum. In one embodiment, the anode can also have a perfluorinated polymer membrane on its surface.