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:
Jul. 07, 2015
Filed:
Aug. 12, 2008
Applicants:
Elena Babes-dornea, Pierrefonds, CA;
Yves Grincourt, Ottawa, CA;
Inventors:
Elena Babes-Dornea, Pierrefonds, CA;
Yves Grincourt, Ottawa, CA;
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01); H01M 8/08 (2006.01); H01M 4/04 (2006.01); H01M 4/86 (2006.01); H01M 4/90 (2006.01); H01M 4/92 (2006.01); H01M 8/02 (2006.01);
U.S. Cl.
CPC ...
H01M 8/08 (2013.01); G01N 27/4075 (2013.01); H01M 4/0471 (2013.01); H01M 4/8657 (2013.01); H01M 4/90 (2013.01); H01M 4/921 (2013.01); H01M 8/0234 (2013.01); H01M 8/0245 (2013.01); H01M 2300/0085 (2013.01); Y02E 60/50 (2013.01);
Abstract
An electrode for a fuel cell element including a hydrophobic graphite support layer; a semi-hydrophobic electro-catalyst layer including an electro-catalytically active material in a carbon substrate and a polytretrofluorethylene (PTFE) content having a first concentration; and a hydrophilic electro-catalyst layer including an electro-catalytically active material in a carbon substrate and having a PTFE content having a second concentration that is less than the first concentration.