Synthesis and Thermophysical Properties of Ether Functionalized Sulfonium Ionic Liquids as Potential Electrolytes for Electrochemical Applications

Erwan Coadou, Peter Goodrich, Alex R. Neale, Laure Timperman, Christopher Hardacre, Johan Jacquemin, Mérièm Anouti

Research output: Contribution to journalArticle

17 Citations (Scopus)
249 Downloads (Pure)

Abstract

During this work, a novel series of hydrophobic room temperature ionic liquids (ILs) based on five ether functionalized sulfonium cations bearing the bis(trifluoromethyl)sulfonylimide, [NTf2]- anion were synthesized and characterized. Their physicochemical properties, such as density, viscosity and ionic conductivity, electrochemical window along with thermal properties including phase transition behavior and decomposition temperature, have been measured. All of these ILs showed large liquid range temperature, low viscosity and good conductivity. Additionally, by combining DFT calculations along with electrochemical characterization it appears that these novel ILs show good electrochemical stability windows, suitable for the potential application as electrolyte materials in electrochemical energy storage devices.
Original languageEnglish
Pages (from-to)3992-4002
Number of pages11
JournalChemPhysChem
Volume17
Issue number23
Early online date07 Oct 2016
DOIs
Publication statusEarly online date - 07 Oct 2016

Keywords

  • Ionic liquids, Sulfonium, Ether, Physical and Transport Properties

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