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    A single-step synthesized cobalt-free barium ferrites-based composite cathode for intermediate temperature solid oxide fuel cells

    Access Status
    Fulltext not available
    Authors
    Niu, Y.
    Zhou, W.
    Sunarso, J.
    Liang, F.
    Zhu, Z.
    Shao, Zongping
    Date
    2011
    Type
    Journal Article
    
    Metadata
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    Citation
    Niu, Y. and Zhou, W. and Sunarso, J. and Liang, F. and Zhu, Z. and Shao, Z. 2011. A single-step synthesized cobalt-free barium ferrites-based composite cathode for intermediate temperature solid oxide fuel cells. Electrochemistry Communications. 13 (12): pp. 1340-1343.
    Source Title
    Electrochemistry Communications
    DOI
    10.1016/j.elecom.2011.08.007
    ISSN
    1388-2481
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/26651
    Collection
    • Curtin Research Publications
    Abstract

    Cobalt-free perovskite cathode with excellent oxygen reduction reaction (ORR) properties below 800 °C is a key material toward wide implementation of intermediate-temperature solid oxide fuel cells. This work reports the phase structure, microstructure and performance of such cathode based on the composite phases of triclinic Ba 0.9Bi 0.1FeO 3-d, cubic BaFeO 3 and orthorhombic BaFe 2O 4 prepared by sol-gel route. The resultant barium ferrites composite cathode exhibits uniform particles, pores and elements distribution. In particular, favorable ORR properties of this cathode is demonstrated by very low interfacial resistance of only 0.036 and 0.072 O cm2 at 750 and 700 °C and maximum power density of 1295 and 840 mW cm -2 at 750 and 700 °C. © 2011 Elsevier B.V. All rights reserved.

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