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:
Apr. 07, 2015
Filed:
Nov. 17, 2008
Applicants:
John R. Bradley, Clarkston, MI (US);
Mahmoud H. Abd Elhamid, Grosse Pointe Woods, MI (US);
Inventors:
John R. Bradley, Clarkston, MI (US);
Mahmoud H. Abd Elhamid, Grosse Pointe Woods, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 8/02 (2006.01);
U.S. Cl.
CPC ...
H01M 8/0206 (2013.01); H01M 8/0208 (2013.01); H01M 8/0221 (2013.01); H01M 8/0228 (2013.01); Y02E 60/50 (2013.01);
Abstract
One exemplary embodiment discloses a bipolar plate assembly including a cathode plate and an anode plate. Each of the cathode plate and the anode plate includes a core material, a first surface material coupled to a first side of the core material, and a second surface material coupled to a second side of the core material, wherein the first surface material and the second surface material have a different composition from the core material.