Abstract
One-dimensional nanostructured CuCo2O4-Sm0.2Ce0.8O1.9 (SDC) nanofibers are prepared by the electrospinning method and one step sintering as a cathode with low polarization resistance for intermediate temperature solid oxide fuel cells (IT-SOFC). The CuCo2O4-SDC nanofibers cathodes form a porous network structure and have large triple-phase boundaries. Correspondingly, the electrochemical performance of the CuCo2O4-SDC nanofibers composite cathodes shows significantly improve, achieving the polarization resistance of 0.061 Ω cm2 and the maximum power densities of 976 mW·cm−2 at 750 °C. Thus, these results suggest that CuCo2O4-SDC nanofiber could be a highly active cathode material for IT-SOFCs.
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