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Potassium-cationic conductivity in the mixed ferrite-aluminate solid electrolytes with five-charged cation additives

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Abstract

New potassium-conducting solid electrolytes in the mixed ferrite-aluminate K1.80(Fe1 − x Al x )1.90V0.10O4 and K1.85(Fe1 − x Al x )1.925P0.075O4 are synthesized and studied. In the first system, the conductivity only slightly depends on the composition; therefore, the composition of solid electrolyte can be optimized with respect to the conductivity-stability characteristics. In the second system, extremes and considerable negative deviations from the additivity are observed in the conductivity isotherms. Possible reasons for this phenomenon are discussed.

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Authors and Affiliations

  1. Institute of High-Temperature Electrochemistry, Ural Branch, Russian Academy of Sciences, ul. S. Kovalevskoi 22, Yekaterinburg, 620990, Russia

    E. I. Burmakin, G. Sh. Shekhtman & G. V. Nechaev

Authors
  1. E. I. Burmakin
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  2. G. Sh. Shekhtman
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  3. G. V. Nechaev
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Correspondence to E. I. Burmakin.

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Original Russian Text © E.I. Burmakin, G.Sh. Shekhtman, G.V. Nechaev, 2012, published in Elektrokhimiya, 2012, Vol. 48, No. 10, pp. 1079–1083.

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Burmakin, E.I., Shekhtman, G.S. & Nechaev, G.V. Potassium-cationic conductivity in the mixed ferrite-aluminate solid electrolytes with five-charged cation additives. Russ J Electrochem 48, 976–980 (2012). https://doi.org/10.1134/S1023193512100060

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  • DOI: https://doi.org/10.1134/S1023193512100060

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