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:
Jan. 24, 2006
Filed:
Apr. 06, 2001
Applicants:
Wolfram Kaiser, Bonndorf, DE;
Detlev Repenning, Luebeck, DE;
Richard Spaeh, Ueberlingen, DE;
Joerg Wind, Immenstaad, DE;
Inventors:
Wolfram Kaiser, Bonndorf, DE;
Detlev Repenning, Luebeck, DE;
Richard Spaeh, Ueberlingen, DE;
Joerg Wind, Immenstaad, DE;
Assignee:
Ballard Power Systems Inc., Burnaby, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/02 (2006.01); B32B 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a metal bipolar plate for a fuel cell, provided with a low-ohmic chemically stable coating. According to the invention, said coating is a multi-phase coating, at least in the region of the contacting outer surface thereof. One phase is a metal phase and/or α phase belonging thereto and another phase is a compound phase consisting of one or several metals of the metal phase and one of the elements N,O,C,B.