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    Nickel-based anode with water storage capability to mediate carbon deposition for direct ethanol solid oxide fuel cells

    Access Status
    Fulltext not available
    Authors
    Wang, W.
    Su, Chao
    Ran, R.
    Zhao, B.
    Shao, Zongping
    Tade, Moses
    Liu, Shaomin
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Wang, W. and Su, C. and Ran, R. and Zhao, B. and Shao, Z. and Tade, M. and Liu, S. 2014. Nickel-based anode with water storage capability to mediate carbon deposition for direct ethanol solid oxide fuel cells. ChemSusChem. 7: pp. 1719-1728.
    Source Title
    ChemSusChem
    DOI
    10.1002/cssc.201301341
    ISSN
    1864-5631
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/39841
    Collection
    • Curtin Research Publications
    Abstract

    The potential to use ethanol as a fuel places solid oxide fuel cells (SOFCs) as a sustainable technology for clean energy delivery because of the renewable features of ethanol versus hydrogen. In this work, we developed a new class of anode catalyst exemplified by Ni+BaZr0.4Ce0.4Y0.2O3 (Ni+BZCY) with a water storage capability to overcome the persistent problem of carbon deposition. Ni+BZCY performed very well in catalytic efficiency, water storage capability and coking resistance tests. A stable and high power output was well maintained with a peak power density of 750 mW cm−2 at 750 °C. The SOFC with the new robust anode performed for seven days without any sign of performance decay, whereas SOFCs with conventional anodes failed in less than 2 h because of significant carbon deposition. Our findings indicate the potential applications of these water storage cermets as catalysts in hydrocarbon reforming and as anodes for SOFCs that operate directly on hydrocarbons.

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