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Electrical conductivity of superionic conductor single crystals Li4B7O12Cl1 − x Br x (x ∼ 0.3)

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Abstract

The temperature dependence of the ionic conductivity of boracite single crystals Li4B7O12Cl1 − x Br x (x ∼ 0.3, cubic system, space group \(F\overline {43} c\)) has been investigated in the temperature range of 420–738 K. The Li4B7O12Cl1 − x Br x single crystals have the Li+ ionic conductivity σ = 1.1 × 10−2 S/cm at 573 K and the ion transport activation energy E a = 0.49 ± 0.05 eV. The electrophysical characteristics of the Li4B7O12Cl1 − x Br x single crystals correspond to the best lithium-conducting solid electrolytes formed in systems with the participation of Li2O and BO3.

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Authors and Affiliations

  1. Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskii pr. 59, Moscow, 119333, Russia

    N. I. Sorokin

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  1. N. I. Sorokin
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Correspondence to N. I. Sorokin.

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Original Russian Text © N.I. Sorokin, 2015, published in Fizika Tverdogo Tela, 2015, Vol. 57, No. 2, pp. 300–301.

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Sorokin, N.I. Electrical conductivity of superionic conductor single crystals Li4B7O12Cl1 − x Br x (x ∼ 0.3). Phys. Solid State 57, 314–315 (2015). https://doi.org/10.1134/S1063783415020341

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  • DOI: https://doi.org/10.1134/S1063783415020341

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