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Corrosion resistant metallic bipolar plate

Patent ·
OSTI ID:909142

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.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
Sponsoring Organization:
United States Department of Energy
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
7,211,346
Application Number:
10/403,472
OSTI ID:
909142
Country of Publication:
United States
Language:
English

References (3)

High-temperature nitridation of Ni-Cr alloys journal January 1996
Effect of Surface Nitriding on Corrosion Resistance of Chromium in Sulfuric Acid Solution journal January 1991
A study of the corrosion behaviour and protective quality of sputtered chromium nitride coatings journal April 2000

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