Suitability of Blended Ionic Liquid-Dimethylsulfoxide Electrolyte for Lithium-Oxygen Battery

Etienne Knipping*, Christophe Aucher, Gonzalo Guirado, Laurent Aubouy

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Abstract

Electrolytes composed of dimethylsulfoxide (DMSO), 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (EMI TFSI) and LiClO4 are characterized for application in lithium-oxygen batteries. The increase of EMI TFSI content in the electrolyte enables to improve its thermal stability and to decrease the overpotential of the cell. The optimum addition of EMI TFSI enables to reduce the overpotential from 1.43 V to 1.06 V, with a cyclability of 69 cycles with 600 mAh g−1 of limited capacity.

Original languageEnglish
Pages (from-to)200-204
Number of pages5
JournalBatteries and Supercaps
Volume2
Issue number3
DOIs
Publication statusPublished - 1 Mar 2019

Keywords

  • electrolytes
  • energy storage
  • ionic liquids
  • lithium-oxygen batteries
  • thermal stability

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