Fluoroethylene carbonate as an important component in organic carbonate electrolyte solutions for lithium sulfur batteries

E. Markevich, G. Salitra, A. Rosenman, Y. Talyosef, F. Chesneau, D. Aurbach

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

The benefits of fluoroethylene carbonate (FEC)-based electrolyte solution (1 M LiPF6 in FEC/dimethyl carbonate (DMC)) over ethylene carbonate (EC)-based electrolyte solution (1 M LiPF6 in EC/DMC) for the cycling of sulfur/carbon (S/C) composite cathodes were demonstrated for S/C composites prepared with two drastically different types of carbon hosts, micrometer-sized activated carbon powder (AC1) and carbonized polyacrylonitrile (PAN) cloth. The formation of solid electrolyte interphase (SEI) on the surface of the cycled S/C electrodes was demonstrated using scanning electron microscopy (SEM) and energy-dispersive spectroscopy (EDS).

Original languageEnglish
Pages (from-to)42-46
Number of pages5
JournalElectrochemistry Communications
Volume60
DOIs
StatePublished - 26 Nov 2015

Bibliographical note

Publisher Copyright:
© 2015, Elsevier B.V. All rights reserved.

Keywords

  • Activated carbons
  • Fluoroethylene carbonate
  • Li-S batteries
  • SEI
  • Sulfur cathodes

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