The Formation of Protective Nitride Surfaces for PEM Fuel Cell Metallic Bipolar Plates

M. P. Brady; B. Yang; H. Wang; J. A. Turner; K. L. More; M. Wilson; F. Garzon

doi:10.1007/s11837-006-0054-4

The Formation of Protective Nitride Surfaces for PEM Fuel Cell Metallic Bipolar Plates

M. P. Brady
, B. Yang
, H. Wang
, J. A. Turner
, K. L. More
, M. Wilson
, F. Garzon

Chemistry and Nanoscience

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

70 Scopus Citations

Abstract

The selective gas nitridation of model nickel-based alloys was used to form dense, electrically conductive and corrosion-resistant nitride surface layers, including TiN, VN, CrN, Cr₂N, as well as a complex NiNbVN phase. Evaluation for use as a protective surface for metallic bipolar plates in proton exchange membrane fuel cells (PEMFC) indicated that CrN/Cr₂N based surfaces hold promise to meet U.S. Department of Energy (DOE) performance goals for automotive applications. The thermally grown CrN/Cr₂N surface formed on model Ni-Cr based alloys exhibited good stability and low electrical resistance in single-cell fuel cell testing under simulated drive-cycle conditions. Recent results indicate that similar protective chromium nitride surfaces can be formed on less expensive Fe-Cr based alloys potentially capable of meeting DOE cost goals.

Original language	American English
Pages (from-to)	50-57
Number of pages	8
Journal	JOM
Volume	58
Issue number	8
DOIs	https://doi.org/10.1007/s11837-006-0054-4 https://doi.org/10.1007/s11837-006-0054-4
State	Published - 2006

NLR Publication Number

NREL/JA-560-40690

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title = "The Formation of Protective Nitride Surfaces for PEM Fuel Cell Metallic Bipolar Plates",

abstract = "The selective gas nitridation of model nickel-based alloys was used to form dense, electrically conductive and corrosion-resistant nitride surface layers, including TiN, VN, CrN, Cr2N, as well as a complex NiNbVN phase. Evaluation for use as a protective surface for metallic bipolar plates in proton exchange membrane fuel cells (PEMFC) indicated that CrN/Cr2N based surfaces hold promise to meet U.S. Department of Energy (DOE) performance goals for automotive applications. The thermally grown CrN/Cr2N surface formed on model Ni-Cr based alloys exhibited good stability and low electrical resistance in single-cell fuel cell testing under simulated drive-cycle conditions. Recent results indicate that similar protective chromium nitride surfaces can be formed on less expensive Fe-Cr based alloys potentially capable of meeting DOE cost goals.",

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T1 - The Formation of Protective Nitride Surfaces for PEM Fuel Cell Metallic Bipolar Plates

AU - Brady, M. P.

AU - Yang, B.

AU - Wang, H.

AU - Turner, J. A.

AU - More, K. L.

AU - Wilson, M.

AU - Garzon, F.

PY - 2006

Y1 - 2006

N2 - The selective gas nitridation of model nickel-based alloys was used to form dense, electrically conductive and corrosion-resistant nitride surface layers, including TiN, VN, CrN, Cr2N, as well as a complex NiNbVN phase. Evaluation for use as a protective surface for metallic bipolar plates in proton exchange membrane fuel cells (PEMFC) indicated that CrN/Cr2N based surfaces hold promise to meet U.S. Department of Energy (DOE) performance goals for automotive applications. The thermally grown CrN/Cr2N surface formed on model Ni-Cr based alloys exhibited good stability and low electrical resistance in single-cell fuel cell testing under simulated drive-cycle conditions. Recent results indicate that similar protective chromium nitride surfaces can be formed on less expensive Fe-Cr based alloys potentially capable of meeting DOE cost goals.

AB - The selective gas nitridation of model nickel-based alloys was used to form dense, electrically conductive and corrosion-resistant nitride surface layers, including TiN, VN, CrN, Cr2N, as well as a complex NiNbVN phase. Evaluation for use as a protective surface for metallic bipolar plates in proton exchange membrane fuel cells (PEMFC) indicated that CrN/Cr2N based surfaces hold promise to meet U.S. Department of Energy (DOE) performance goals for automotive applications. The thermally grown CrN/Cr2N surface formed on model Ni-Cr based alloys exhibited good stability and low electrical resistance in single-cell fuel cell testing under simulated drive-cycle conditions. Recent results indicate that similar protective chromium nitride surfaces can be formed on less expensive Fe-Cr based alloys potentially capable of meeting DOE cost goals.

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JO - JOM

JF - JOM

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ER -

The Formation of Protective Nitride Surfaces for PEM Fuel Cell Metallic Bipolar Plates

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