Novel functionalized ionic liquid with a sulfur atom in the aliphatic side chain of the pyrrolidinium cation

G.B. Appetecchi, A. D'Annibale, C. Santilli, E. Genova, L. Lombardo, M.A. Navarra, S. Panero

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Abstract

A novel ionic liquid, never reported in literature until now, was properly designed, synthesized and preliminary investigated. This material was prepared combining the N-methylpyrrolidinium cation (PYR1(2S1))+, exhibiting a sulfur atom in the alkyl side chain, with the bis(trifluoromethanesulfonyl)imide anion, (TFSI)-, to be addressed as safer electrolyte component for sulfur-based battery systems. The presence of sulfur within the cation side chain was found to prevent the crystallization of the ionic liquid even in the presence of lithium salt. Cyclic voltammetries have clearly indicated that Li+cation exhibits good mobility and is reversibly plated/stripped in PYR1(2S1)TFSI-LiTFSI electrolytes with high efficiency.
Original languageEnglish
Pages (from-to)26 - 29
Number of pages4
JournalElectrochemistry Communications
Volume63
DOIs
Publication statusPublished - 1 Feb 2016
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Electrochemistry

Cite this

Appetecchi, G. B., D'Annibale, A., Santilli, C., Genova, E., Lombardo, L., Navarra, M. A., & Panero, S. (2016). Novel functionalized ionic liquid with a sulfur atom in the aliphatic side chain of the pyrrolidinium cation. Electrochemistry Communications, 63, 26 - 29. https://doi.org/10.1016/j.elecom.2015.12.009