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Title: Corrosion resistant metallic bipolar plate

Abstract

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.

Inventors:
 [1];  [2];  [2];  [1]
  1. Oak Ridge, TN
  2. Knoxville, TN
Issue Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
909142
Patent Number(s):
7211346
Application Number:
10/403,472
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Classifications (CPCs):
C - CHEMISTRY C22 - METALLURGY C22C - ALLOYS
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01M - PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Brady, Michael P, Schneibel, Joachim H, Pint, Bruce A, and Maziasz, Philip J. Corrosion resistant metallic bipolar plate. United States: N. p., 2007. Web.
Brady, Michael P, Schneibel, Joachim H, Pint, Bruce A, & Maziasz, Philip J. Corrosion resistant metallic bipolar plate. United States.
Brady, Michael P, Schneibel, Joachim H, Pint, Bruce A, and Maziasz, Philip J. Tue . "Corrosion resistant metallic bipolar plate". United States. https://www.osti.gov/servlets/purl/909142.
@article{osti_909142,
title = {Corrosion resistant metallic bipolar plate},
author = {Brady, Michael P and Schneibel, Joachim H and Pint, Bruce A and Maziasz, Philip J},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2007},
month = {5}
}

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Works referenced in this record:

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