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Solid potassium-conducting electrolytes in the K2 − 2x Ga2 − x V x O4 system

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Abstract

New potassium-conducting solid electrolytes based on potassium monogallate in the K2−2x Ga2−x V x O4 system are synthesized and studied. It is found that an introduction of V5+ ions leads to a considerable increase in the KGaO2 conductivity due to the formation of vacancies in the potassium sublattice. The conductivity for optimal compositions is approximately 10−3 S cm−1 at 400°C and above 10−2 S cm−1 at 700°C. The results are compared with early obtained data for potassium monogallate dopped with four-charged cations.

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Authors and Affiliations

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

    E. I. Burmakin & G. V. Nechaev

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

Additional information

Original Russian Text © E.I. Burmakin, G.V. Nechaev, 2013, published in Elektrokhimiya, 2013, Vol. 49, No. 10, pp. 1117–1119.

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Burmakin, E.I., Nechaev, G.V. Solid potassium-conducting electrolytes in the K2 − 2x Ga2 − x V x O4 system. Russ J Electrochem 49, 1001–1003 (2013). https://doi.org/10.1134/S1023193513100054

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  • DOI: https://doi.org/10.1134/S1023193513100054

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