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:
Feb. 17, 2015
Filed:
Jul. 17, 2013
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Gayatri Vyas Dadheech, Bloomfield Hills, MI (US);
Thomas A. Trabold, Pittsford, NY (US);
Youssef M. Mikhail, Sterling Heights, MI (US);
Mahmoud H. Abd Elhamid, Troy, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/64 (2006.01); H01M 8/00 (2006.01); H01M 8/02 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
H01M 8/0228 (2013.01); H01M 8/0206 (2013.01); H01M 2008/1095 (2013.01); Y02E 60/50 (2013.01);
Abstract
A flow field plate for fuel cell applications includes a metal with a non-crystalline carbon layer disposed over at least a portion of the metal plate. The non-crystalline carbon layer includes an activated surface which is hydrophilic. Moreover, the flow field plate is included in a fuel cell with a minimal increase in contact resistance. Methods for forming the flow field plates are also provided.