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:
May. 04, 2010
Filed:
Nov. 12, 2004
Applicants:
Mahmoud H. Abd Elhamid, Grosse Point Woods, MI (US);
Gayatri Vyas, Rochester Hills, MI (US);
Yang-tse Cheng, Rochester Hills, MI (US);
Richard H. Blunk, Macomb Township, MI (US);
Inventors:
Mahmoud H. Abd Elhamid, Grosse Point Woods, MI (US);
Gayatri Vyas, Rochester Hills, MI (US);
Yang-Tse Cheng, Rochester Hills, MI (US);
Richard H. Blunk, Macomb Township, MI (US);
Assignee:
GM Global Technology Operations, Inc., Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 6/48 (2006.01); H01M 10/18 (2006.01); H01M 8/00 (2006.01); H01M 2/00 (2006.01); H01M 2/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A bipolar plate having hydrophilic surfaces is disclosed. The bipolar plate includes multiple surfaces including channels having channel surfaces. A hydrophilic coating is provided on the surfaces to enhance the water management capabilties of a fuel cell.