Electrochemical nitridation of metal surfaces

Wang, Heli; Turner, John A.

Title: Electrochemical nitridation of metal surfaces

Patent · Tue Jun 30 00:00:00 EDT 2015

OSTI ID:1187947

Wang, Heli; Turner, John A.

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.

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Research Organization:: National Renewable Energy Laboratory (NREL), Golden, CO (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC36-08GO28308

Assignee:: Alliance for Sustainable Energy, LLC (Golden, CO)

Patent Number(s):: 9,068,271

Application Number:: 13/581,184

OSTI ID:: 1187947

Resource Relation:: Patent File Date: 2010 Mar 03

Country of Publication:: United States

Language:: English

References (13)

Process for producing thin films Kokado, Hiroshi; Hoshino, Katsuyoshi; Saji, Tetsuo https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5122247 US Patent Document 5,122,247	patent	June 1992
Surface modified stainless steels for PEM fuel cell bipolar plates Brady, Michael P.; Wang, Heli; Turner, John A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7247403 US Patent Document 7,247,403	patent	July 2007
Electrochemical nitridation of a stainless steel for PEMFC bipolar plates Wang, Heli; Turner, John A. International Journal of Hydrogen Energy, Vol. 36, Issue 20, p. 13008-13013 https://doi.org/10.1016/j.ijhydene.2011.07.045	journal	October 2011
Low temperature electrochemical synthesis of titanium nitride Griffiths, Lucy E.; Mount, Andrew R.; Pulham, Colin R. Chemical Communications, Issue 6 https://doi.org/10.1039/B100713K	journal	January 2001
Non-conventional electrolytes for electrochemical applications Ito, Yasuhiko; Nohira, Toshiyuki Electrochimica Acta, Vol. 45, Issue 15-16, p. 2611-2622 https://doi.org/10.1016/S0013-4686(00)00341-8	journal	May 2000
On the question of nitrate formation by N-containing austenitic stainless steels Kim, D.; Clayton, C. R.; Oversluizen, M. Materials Science and Engineering: A, Vol. 186, Issue 1-2, p. 163-169 https://doi.org/10.1016/0921-5093(94)90316-6	journal	October 1994
Electrochemical surface nitriding of SUS 430 ferritic stainless steel Tsujimura, Hiroyuki; Goto, Takuya; Ito, Yasuhiko Materials Science and Engineering: A, Vol. 355, Issue 1-2, p. 315-319 https://doi.org/10.1016/S0921-5093(03)00097-2	journal	August 2003
Electrochemical Synthesis of Ceramic Materials. 5. An Electrochemical Method Suitable for the Preparation of Nine Metal Nitrides Wade, Travis; Ross, Claudia B.; Crooks, Richard M. Chemistry of Materials, Vol. 9, Issue 1 https://doi.org/10.1021/cm960327s	journal	January 1997
Stainless steel as bipolar plate material for polymer electrolyte membrane fuel cells Wang, H. Journal of Power Sources, Vol. 115, Issue 2 https://doi.org/10.1016/S0378-7753(03)00023-5	journal	April 2003
Ferritic stainless steels as bipolar plate material for polymer electrolyte membrane fuel cells Wang, Heli; Turner, John A. Journal of Power Sources, Vol. 128, Issue 2, p. 193-200 https://doi.org/10.1016/j.jpowsour.2003.09.075	journal	April 2004
Thermally nitrided stainless steels for polymer electrolyte membrane fuel cell bipolar plates Wang, H.; Brady, M. P.; Teeter, G. Journal of Power Sources, Vol. 138, Issue 1-2, p. 86-93 https://doi.org/10.1016/j.jpowsour.2004.06.067	journal	November 2004
Thermally nitrided stainless steels for polymer electrolyte membrane fuel cell bipolar plates Wang, H.; Brady, M. P.; More, K. L. Journal of Power Sources, Vol. 138, Issue 1-2, p. 79-85 https://doi.org/10.1016/j.jpowsour.2004.06.064	journal	November 2004
An XPS and electrochemical study of the influence of molybdenum and nitrogen on the passivity of austenitic stainless steel Willenbruch, R. D.; Clayton, C. R.; Oversluizen, M. Corrosion Science, Vol. 31, p. 179-190 https://doi.org/10.1016/0010-938X(90)90106-F	journal	January 1990

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