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    Performance variability of Ba0.5Sr0.5Co0.8Fe0.2O3−δ cathode on proton-conducting electrolyte SOFCs with Ag and Au current collectors

    Access Status
    Fulltext not available
    Authors
    Wan, T.
    Zhu, A.
    Li, H.
    Wang, C.
    Guo, Y.
    Shao, Zongping
    Savadogo, O.
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Wan, T. and Zhu, A. and Li, H. and Wang, C. and Guo, Y. and Shao, Z. and Savadogo, O. 2017. Performance variability of Ba0.5Sr0.5Co0.8Fe0.2O3−δ cathode on proton-conducting electrolyte SOFCs with Ag and Au current collectors. Rare Metals. 37 (8): pp. 633-641.
    Source Title
    Rare Metals
    DOI
    10.1007/s12598-017-0942-5
    ISSN
    1001-0521
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/56899
    Collection
    • Curtin Research Publications
    Abstract

    Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3-d (BSCF) is one of the most active cathode materials and shows significant hydration effect suggesting possible proton conductivity. In this study, the performance of BSCF cathode on a proton-conducting BaZr 0.1 Ce 0.7 Y 0.2 O 3-d (BZCY) electrolyte with silver and gold current collectors was determined. The electrochemical characteristics of the symmetrical and anode-supported cell with diluted silver electrode, silver current collector or gold current collector on BSCF electrode were compared. The significant result is that, although the diluted silver electrode itself shows poor operation stability, the silver current collector has strong electrocatalytic contribution to the BSCF cathode performance on the proton-conducting electrolyte, leading to higher cell performance than that with the gold current collector.

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