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Advanced Materials

Sulfur-Tolerant Redox-Reversible Anode Material for Direct Hydrocarbon Solid Oxide Fuel Cells

Authors

  • Chenghao Yang,

    1. Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Zhibin Yang,

    1. Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA
    2. Union Research Center of Fuel Cell, School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing, 100083, P.R. China
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Chao Jin,

    1. School of Energy, Soochow University, Suzhou 215006, P.R. China
    Current affiliation:
    1. These authors contributed equally to this work.
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  • Guoliang Xiao,

    1. Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA
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  • Fanglin Chen,

    Corresponding author
    1. Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA
    • Department of Mechanical Engineering, University of South Carolina, Columbia, SC 29208, USA
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  • Minfang Han

    Corresponding author
    1. Union Research Center of Fuel Cell, School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing, 100083, P.R. China
    • Union Research Center of Fuel Cell, School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing, 100083, P.R. China.
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Abstract

A novel composite anode material consisting of K2NiF4-type structured Pr0.8Sr1.2(Co,Fe)0.8Nb0.2O4+δ (K-PSCFN) matrix with homogenously dispersed nano-sized Co-Fe alloy (CFA) has been obtained by annealing perovskite Pr0.4Sr0.6Co0.2Fe0.7Nb0.1O3-δ (P-PSCFN) in H2 at 900 °C. The K-PSCFN-CFA composite anode is redox-reversible and has demonstrated similar catalytic activity to Ni-based cermet anode, excellent sulfur tolerance, remarkable coking resistance and robust redox cyclability.

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