A Hybrid Anion for Ionic Liquid and Battery Electrolyte Applications

Half Triflamide, Half Carbonate

Kaitlyn E. Gunderson-Briggs, Thomas Rüther, Adam S. Best, Mega Kar, Craig Forsyth, Ekaterina I. Izgorodiana, Douglas R. MacFarlane, Anthony F. Hollenkamp

Research output: Contribution to journalArticleResearchpeer-review

Abstract

The synthesis of a new imide type anion, methylcarbonate(trifluoromethylsulfonyl)imide (MCTFSI) is described and the physicochemical properties of its sodium and N-butyl-N-methyl pyrrolidinium salts as well as structural information obtained by X-ray diffraction studies of the sodium salt are discussed in terms of charge delocalisation, coordination chemistry and electrochemical behaviour with respect to the analogous imdides bis(trifluoromethanesulfonyl)imide (TFSI) and bis(fluorosulfonyl)imide (FSI). The insight obtained from studying the new anion informs and reemphasizes the concept of weakly coordinating anions and coordination chemistry in designing electrolyte salts.

Original languageEnglish
Pages (from-to)4390-4394
Number of pages5
JournalAngewandte Chemie - International Edition
Volume58
Issue number13
DOIs
Publication statusPublished - 22 Mar 2019

Keywords

  • anions
  • batteries
  • coordination chemistry
  • ionic liquids
  • N,O ligands

Cite this

Gunderson-Briggs, Kaitlyn E. ; Rüther, Thomas ; Best, Adam S. ; Kar, Mega ; Forsyth, Craig ; Izgorodiana, Ekaterina I. ; MacFarlane, Douglas R. ; Hollenkamp, Anthony F. / A Hybrid Anion for Ionic Liquid and Battery Electrolyte Applications : Half Triflamide, Half Carbonate. In: Angewandte Chemie - International Edition. 2019 ; Vol. 58, No. 13. pp. 4390-4394.
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A Hybrid Anion for Ionic Liquid and Battery Electrolyte Applications : Half Triflamide, Half Carbonate. / Gunderson-Briggs, Kaitlyn E.; Rüther, Thomas; Best, Adam S.; Kar, Mega; Forsyth, Craig; Izgorodiana, Ekaterina I.; MacFarlane, Douglas R.; Hollenkamp, Anthony F.

In: Angewandte Chemie - International Edition, Vol. 58, No. 13, 22.03.2019, p. 4390-4394.

Research output: Contribution to journalArticleResearchpeer-review

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T1 - A Hybrid Anion for Ionic Liquid and Battery Electrolyte Applications

T2 - Half Triflamide, Half Carbonate

AU - Gunderson-Briggs, Kaitlyn E.

AU - Rüther, Thomas

AU - Best, Adam S.

AU - Kar, Mega

AU - Forsyth, Craig

AU - Izgorodiana, Ekaterina I.

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AU - Hollenkamp, Anthony F.

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AB - The synthesis of a new imide type anion, methylcarbonate(trifluoromethylsulfonyl)imide (MCTFSI) is described and the physicochemical properties of its sodium and N-butyl-N-methyl pyrrolidinium salts as well as structural information obtained by X-ray diffraction studies of the sodium salt are discussed in terms of charge delocalisation, coordination chemistry and electrochemical behaviour with respect to the analogous imdides bis(trifluoromethanesulfonyl)imide (TFSI) and bis(fluorosulfonyl)imide (FSI). The insight obtained from studying the new anion informs and reemphasizes the concept of weakly coordinating anions and coordination chemistry in designing electrolyte salts.

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