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. 05, 2011
Filed:
Jan. 03, 2008
Mahmoud H. Abd Elhamid, Grosse Pointe Woods, MI (US);
Youssef M. Mikhail, Sterling Heights, MI (US);
Gayatri Vyas Dadheech, Rochester Hills, MI (US);
Feng Zhong, Troy, MI (US);
Richard H. Blunk, Macomb Township, MI (US);
Daniel J. Lisi, Eastpointe, MI (US);
Mahmoud H. Abd Elhamid, Grosse Pointe Woods, MI (US);
Youssef M. Mikhail, Sterling Heights, MI (US);
Gayatri Vyas Dadheech, Rochester Hills, MI (US);
Feng Zhong, Troy, MI (US);
Richard H. Blunk, Macomb Township, MI (US);
Daniel J. Lisi, Eastpointe, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A metal composite for use in electrochemical devices is disclosed. The metal composite comprises a stainless steel interior component and a deposited nitrided metal exterior layer, wherein the nitrided exterior layer has lower electric contact resistance and greater corrosion resistance than the stainless steel interior component. A bipolar plate made of such metal composite and methods of producing the metal composite and bipolar plate are also disclosed.