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    Mg and Fe Modified Ni/GDC Cermets as Sulfur Tolerant Anodes of Solid Oxide Fuel Cells

    Access Status
    Fulltext not available
    Authors
    Zhang, L.
    Jiang, San Ping
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhang, Lan and Jiang, San Ping. 2011. Mg and Fe Modified Ni/GDC Cermets as Sulfur Tolerant Anodes of Solid Oxide Fuel Cells. ECS Transactions. 35 (1): pp. 1455-1462.
    Source Title
    ECS Transactions, Vol. 35(1)
    Source Conference
    219th Electrochemical Society Meeting
    DOI
    10.1149/1.3570131
    School
    Department of Chemical Engineering
    Remarks

    Copyright © 2011 The Electrochemical Society

    URI
    http://hdl.handle.net/20.500.11937/3297
    Collection
    • Curtin Research Publications
    Abstract

    Sulfur-tolerance of the Mg and Fe modified/doped Ni/Gd2O3-CeO2 9Ni/GDC) anodes is studied at 800˚C in H2S-H2. The polarization and impedance behavior of Ni/GDC cermet anodes indicate that Mg and Fe doping in the Ni phase of the cermet significantly improves the sulfur tolerance and performance stability of Ni/GDC anodes. SEM examination indicates that the microstructure change of the Ni phase of the Mg and particular Fe modified Ni/GDC is significantly smaller in comparison to that of pure Ni/GDC cermet anodes. The enhancement in the sulfur tolerance of Ni95Mg5/GDC and Ni95Fe5/GDC anodes is most likely due to the suppressed microstructure change of the Ni phases due to the presence of Mg and Fe dopants in the Ni/GDC cermets.

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