Abstract
The ion conductivity of the salts [(C4H9)4N]BF4 and [(C4H9)4N]Br was studied in vacuum at temperatures from room temperature to 190 and 135°C, respectively. The salts have phase transitions to disordered high-temperature phases accompanied by an increase in conductivity. [(C4H9)4N]Br has higher conductivity than [(C4H9)4N]BF4. As the conductivity decreases with the increasing size of the anion, the BF4 – and Br– anions are the most probable current carriers in the salts.
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Published on the basis of a report delivered at the 13th International Meeting “Fundamental Problems of Solid State Ionics,” Chernogolovka, 2016.
Original Russian Text © A.A. Iskakova, A.S. Ulikhin, N.F. Uvarov, K.B. Gerasimov, Yu.G. Mateishina, 2017, published in Elektrokhimiya, 2017, Vol. 53, No. 8, pp. 987–990.
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Iskakova, A.A., Ulikhin, A.S., Uvarov, N.F. et al. Comparative study of the ion conductivities of substituted tetrabutylammonium salts (C4H9)4N]BF4 and [(C4H9)4N]Br. Russ J Electrochem 53, 880–883 (2017). https://doi.org/10.1134/S1023193517080079
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DOI: https://doi.org/10.1134/S1023193517080079