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Title: Electrochemical nitridation of metal surfaces

Electrochemical nitridation of metals and the produced metals are disclosed. An exemplary method of electrochemical nitridation of metals comprises providing an electrochemical solution at low temperature. The method also comprises providing a three-electrode potentiostat system. The method also comprises stabilizing the three-electrode potentiostat system at open circuit potential. The method also comprises applying a cathodic potential to a metal.
Inventors:
;
Issue Date:
OSTI Identifier:
1187947
Assignee:
Alliance for Sustainable Energy, LLC (Golden, CO) NREL
Patent Number(s):
9,068,271
Application Number:
13/581,184
Contract Number:
AC36-08GO28308
Resource Relation:
Patent File Date: 2010 Mar 03
Research Org:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Other works cited in this record:

Electrochemical nitridation of a stainless steel for PEMFC bipolar plates
journal, October 2011

Non-conventional electrolytes for electrochemical applications
journal, May 2000

On the question of nitrate formation by N-containing austenitic stainless steels
journal, October 1994
  • Kim, D.; Clayton, C. R.; Oversluizen, M.
  • Materials Science and Engineering: A, Vol. 186, Issue 1-2, p. 163-169
  • DOI: 10.1016/0921-5093(94)90316-6

Electrochemical surface nitriding of SUS 430 ferritic stainless steel
journal, August 2003
  • Tsujimura, Hiroyuki; Goto, Takuya; Ito, Yasuhiko
  • Materials Science and Engineering: A, Vol. 355, Issue 1-2, p. 315-319
  • DOI: 10.1016/S0921-5093(03)00097-2

Ferritic stainless steels as bipolar plate material for polymer electrolyte membrane fuel cells
journal, April 2004

Thermally nitrided stainless steels for polymer electrolyte membrane fuel cell bipolar plates
journal, November 2004

Thermally nitrided stainless steels for polymer electrolyte membrane fuel cell bipolar plates
journal, November 2004

An XPS and electrochemical study of the influence of molybdenum and nitrogen on the passivity of austenitic stainless steel
journal, January 1990

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