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:
Sep. 01, 2015
Filed:
May. 13, 2008
Applicants:
Richard H. Blunk, Macomb Township, MI (US);
Feng Zhong, Troy, MI (US);
Darren R. Dunphy, Albuquerque, NM (US);
Inventors:
Richard H. Blunk, Macomb Township, MI (US);
Feng Zhong, Troy, MI (US);
Darren R. Dunphy, Albuquerque, NM (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/06 (2006.01); H01M 8/02 (2006.01);
U.S. Cl.
CPC ...
H01M 8/0247 (2013.01); H01M 8/0215 (2013.01); H01M 8/0228 (2013.01); H01M 8/0258 (2013.01); Y02E 60/50 (2013.01);
Abstract
Bipolar plates useful for fuel cell applications include a plate body having a channel-defining surface that is at least partially coated with a hydrophilic layer. This hydrophilic layer comprises residues of a silane-coupling agent in a sufficient amount such portions of the first hydrophilic layer have a contact angle less than a predetermined value.