Effect of small cation addition on the conductivity of quaternary ammonium ionic liquids

Minato Egashira, Shigeto Okada, Jun Ichi Yamaki, Nobuko Yoshimoto, Masayuki Morita

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Several quaternary ammonium or lithium bis(trifluoromethane sulfone) imide (TFSI) salts were dissolved into N,N,N,N-hexyltrimethyl ammonium TFSI ionic liquid, and the conductivities of the resulting solutions were measured. Some asymmetric quaternary ammonium salts contributed to increase the conductivity of the solution, while cyano-containing quaternary ammonium and lithium salts decreased the conductivity. Based on the results of differential scanning calorimetry (DSC) measurements, such conductivity behaviors appeared to be related to the intrinsic miscibility of the ionic liquid solutions.

Original languageEnglish
Pages (from-to)3708-3712
Number of pages5
JournalElectrochimica Acta
Volume50
Issue number18
DOIs
Publication statusPublished - Jun 10 2005

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Electrochemistry

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