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Properties ofSrMO 3-δ(M=Fe, Co) as oxygen electrodes in alkaline solution

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Abstract

Strontium ferrates and cobaltates with compositions SrFeO3-δ (0.06⩽δ⩽0.40) and SrCoO3-δ (0.04⩽δ⩽0.30) were synthesized. The dependence of the oxygen electrode properties on the δ value was examined in 1 mol dm−3 KOH solution. In the SrFeO3-δ series, the samples with 0.24<δ<0.29, showed the highest activity in both oxygen evolution and reduction reactions. In contrast, no strong dependence on the δ value was observed in SrCoO3-δ, which also showed a high catalytic activity for oxygen evolution.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Engineering, Mie University, 514, Tsu, Japan

    Y. Takeda, R. Kanno, T. Kondo & O. Yamamoto

  2. Osaka Prefectural Industrial Research Institute, Nishi-ku, 550, Osaka, Japan

    H. Taguchi

  3. The Institute of Scientific and Industrial Research, Osaka University, 565, Osaka, Japan

    M. Shimada & M. Koizumi

Authors
  1. Y. Takeda
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  2. R. Kanno
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  3. T. Kondo
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  4. O. Yamamoto
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  5. H. Taguchi
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  6. M. Shimada
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  7. M. Koizumi
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Takeda, Y., Kanno, R., Kondo, T. et al. Properties ofSrMO 3-δ(M=Fe, Co) as oxygen electrodes in alkaline solution. J Appl Electrochem 12, 275–280 (1982). https://doi.org/10.1007/BF00615092

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  • DOI: https://doi.org/10.1007/BF00615092

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