A novel <i>in situ</i> diffusion strategy to fabricate high performance cathodes for low temperature proton-conducting solid oxide fuel cells

Jie Hou, Lina Miao, Jianing Hui, Lei Bi, Wei Liu, John T. S. Irvine

Journal of Materials Chemistry A · 2018 · 46 citations · 40 references

Concepts

Abstract

A novel <italic>in situ</italic> Pr diffusion strategy based on a Sm<sub>0.2</sub>Ce<sub>0.8</sub>O<sub>2−δ</sub>–Pr(Pr<sub>0.5</sub>Ba<sub>1.5</sub>)Cu<sub>3</sub>O<sub>7−δ</sub> (3 : 7 wt%) compound is developed to achieve a perovskite-related proton-blocking composite cathode Ce<sub>1−x</sub>Pr<sub>x</sub>O<sub>2−δ</sub>–Ba<sub>2</sub>CeCu<sub>3</sub>O<sub>7.4</sub>–Sm<sub>2</sub>Ba<sub>1.33</sub>Ce<sub>0.67</sub>Cu<sub>3</sub>O<sub>9</sub>–CuO for BaZr<sub>0.1</sub>Ce<sub>0.7</sub>Y<sub>0.2</sub>O<sub>3−δ</sub>-based proton-conducting SOFCs.

References

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