High performance electrolyte using mixtures of ionic liquid - solvent for sodium-ion batteries

L. M.T. Le, T. D. Vo, Quan D. Nguyen, S. Okada, F. Alloin, P. L.M. Le

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)


The use of ionic liquids-based electrolyte can solve the safety problems associated with lithium/sodium ion batteries, especially for large-scale applications due to its thermal stability and inflammability. The main challenge of ionic liquids is relatively high viscosity and the using of organic solvent at suitable content could be an alternative solution for reducing viscosity, meanwhile, the electrochemical properties as well as the good thermal stability the mixed solutions keep similarly to the pure ionic liquid. In this study, electrolyte mixtures based on EMITFSI with organic solvents (EC and PC) were prepared and evaluated the electrochemical compatibility in half-cell configuration with respect to sodium metal anode and using electrode materials: SnS/C, hard carbon (HC) and Nao.wMnCh. Moreover, the thermal stability, the flammability and the conduction mechanism of electrolyte mixtures were also explored and discussed.

Original languageEnglish
Title of host publicationECS Transactions
PublisherElectrochemical Society Inc.
Number of pages12
ISBN (Electronic)9781607688419
ISBN (Print)9781510866171
Publication statusPublished - 2018
Event233rd Meeting of the Electrochemical Society - Seattle, United States
Duration: May 13 2018May 17 2018

Publication series

NameECS Transactions
ISSN (Print)1938-6737
ISSN (Electronic)1938-5862


Other233rd Meeting of the Electrochemical Society
Country/TerritoryUnited States

All Science Journal Classification (ASJC) codes

  • Engineering(all)


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