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Lithium-conducting solid electrolytes of Li4GeO4-Li3PO4 system with additions of zirconium ions

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Abstract

The effect of partial substitution of Zr4+ ions for Ge4+ ions in highly conducting lithium-cationic solid electrolyte Li3.75Ge0.75P0.25O4 is studied. It is found that the introduction of zirconium ions considerably raises the conductivity of basic electrolyte in the high-temperature range. For the optimal composition, the conductivity is 2.82 × 10−1 S cm−1 at 400°C and 1.55 S cm−1 at 700°C. Possible reasons for the effects are discussed.

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Authors and Affiliations

  1. Institute of High-Temperature Electrochemistry, Ural Division, Russian Academy of Sciences, ul. S. Kovalevskoi/Akademicheskaya 22/20, Ekaterinburg, 620219, Russia

    E. I. Burmakin & G. Sh. Shekhtman

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  1. E. I. Burmakin
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  2. G. Sh. Shekhtman
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Correspondence to E. I. Burmakin.

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Original Russian Text © E.I. Burmakin, G.Sh. Shekhtman, 2010, published in Elektrokhimiya, 2010, Vol. 46, No. 2, pp. 253–256.

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Burmakin, E.I., Shekhtman, G.S. Lithium-conducting solid electrolytes of Li4GeO4-Li3PO4 system with additions of zirconium ions. Russ J Electrochem 46, 243–246 (2010). https://doi.org/10.1134/S1023193510020199

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  • DOI: https://doi.org/10.1134/S1023193510020199

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