Comparative study of the ion conductivities of substituted tetrabutylammonium salts (C4H9)4N]BF4 and [(C4H9)4N]Br

A. A. Iskakova, A. S. Ulikhin, N. F. Uvarov, K. B. Gerasimov, Yu G. Mateishina

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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.

Original languageEnglish
Pages (from-to)880-883
Number of pages4
JournalRussian Journal of Electrochemistry
Volume53
Issue number8
DOIs
Publication statusPublished - 1 Aug 2017

Keywords

  • ion conductivity
  • orientational disordering
  • tetrabutylammonium bromide
  • tetrabutylammonium tetrafluoroborate
  • PHASES

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