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Corrosion resistant metallic bipolar plate

United States Patent

May 1, 2007
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A corrosion resistant, electrically conductive component such as a bipolar plate for a PEM fuel cell includes 20 55% Cr, balance base metal such as Ni, Fe, or Co, the component having thereon a substantially external, continuous layer of chromium nitride.
Brady; Michael P. (Oak Ridge, TN), Schneibel; Joachim H. (Knoxville, TN), Pint; Bruce A. (Knoxville, TN), Maziasz; Philip J. (Oak Ridge, TN)
UT-Battelle, LLC (Oak Ridge, TN)
10/ 403,472
March 31, 2003
The United States Government has rights in this invention pursuant to contract no. DE-AC05-000R22725 between the United States Department of Energy and UT-Battelle, LLC.