Investigation of a Duplex Stainless Steel as Polymer Electrolyte Membrane Fuel Cell Bipolar Plate Material

Heli Wang; Glen Teeter; John Turner

doi:10.1149/1.1854612

Investigation of a Duplex Stainless Steel as Polymer Electrolyte Membrane Fuel Cell Bipolar Plate Material

Heli Wang, Glen Teeter, John Turner

National Renewable Energy Laboratory

Research output: Contribution to journal › Article › peer-review

118 Scopus Citations

Abstract

Duplex 2205 stainless steel was investigated in a simulated polymer electrolyte membrane fuel cell (PEMFC) environment; stable passive films formed quickly under these conditions. The interfacial contact resistance (ICR) values for 2203 steel with the air-formed film were identical to those for 349™ and lower than those for AISI446 steel. The ICR values for the passive film formed in a simulated PEMFC anode environment were lower than those for the passive film formed in the cathode environment, but both were higher than those for air-formed film. X-ray photoelectron spectroscopy analysis revealed that the passive films were mainly Cr₂O₃ while the air-formed film was composed of Fe-oxides and Cr₂O₃. An estimate of the thickness of the surface films was made.

Original language	American English
Pages (from-to)	B99-B104
Journal	Journal of the Electrochemical Society
Volume	152
Issue number	3
DOIs	https://doi.org/10.1149/1.1854612 https://doi.org/10.1149/1.1854612
State	Published - 2005

NREL Publication Number

NREL/JA-560-35563

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title = "Investigation of a Duplex Stainless Steel as Polymer Electrolyte Membrane Fuel Cell Bipolar Plate Material",

abstract = "Duplex 2205 stainless steel was investigated in a simulated polymer electrolyte membrane fuel cell (PEMFC) environment; stable passive films formed quickly under these conditions. The interfacial contact resistance (ICR) values for 2203 steel with the air-formed film were identical to those for 349{\texttrademark} and lower than those for AISI446 steel. The ICR values for the passive film formed in a simulated PEMFC anode environment were lower than those for the passive film formed in the cathode environment, but both were higher than those for air-formed film. X-ray photoelectron spectroscopy analysis revealed that the passive films were mainly Cr2O3 while the air-formed film was composed of Fe-oxides and Cr2O3. An estimate of the thickness of the surface films was made.",

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AU - Teeter, Glen

AU - Turner, John

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N2 - Duplex 2205 stainless steel was investigated in a simulated polymer electrolyte membrane fuel cell (PEMFC) environment; stable passive films formed quickly under these conditions. The interfacial contact resistance (ICR) values for 2203 steel with the air-formed film were identical to those for 349™ and lower than those for AISI446 steel. The ICR values for the passive film formed in a simulated PEMFC anode environment were lower than those for the passive film formed in the cathode environment, but both were higher than those for air-formed film. X-ray photoelectron spectroscopy analysis revealed that the passive films were mainly Cr2O3 while the air-formed film was composed of Fe-oxides and Cr2O3. An estimate of the thickness of the surface films was made.

AB - Duplex 2205 stainless steel was investigated in a simulated polymer electrolyte membrane fuel cell (PEMFC) environment; stable passive films formed quickly under these conditions. The interfacial contact resistance (ICR) values for 2203 steel with the air-formed film were identical to those for 349™ and lower than those for AISI446 steel. The ICR values for the passive film formed in a simulated PEMFC anode environment were lower than those for the passive film formed in the cathode environment, but both were higher than those for air-formed film. X-ray photoelectron spectroscopy analysis revealed that the passive films were mainly Cr2O3 while the air-formed film was composed of Fe-oxides and Cr2O3. An estimate of the thickness of the surface films was made.

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Investigation of a Duplex Stainless Steel as Polymer Electrolyte Membrane Fuel Cell Bipolar Plate Material

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