Inorganic electrolyte solutions and gels for rechargeable lithium batteries

Kang Xu, Natalie D. Day, Charles Angell

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

A class of inorganic oxychloride compounds have been evaluated for use as electrolytic solvents in rechargeable lithium batteries. Compared with SO2-based electrolytes, these showed much improved safety while maintaining room temperature conductivities of 10-3 ∼ 10-2 S/cm and electrochemical voltage windows of 4.5 ∼ 5.5 V vs. Li+/Li and supporting reversible lithium metal deposition/stripping. With the addition of 2 ∼ 5% polymer, the solutions acquire rubbery character with little loss of conductivity and no change in electrochemical stability. Preliminary charge/discharge tests with intercalation-type cathode as well as sulfur-based cathode showed that these inorganic electrolytes can operate with excellent reversibility.

Original languageEnglish (US)
Pages (from-to)L209-L211
JournalJournal of the Electrochemical Society
Volume143
Issue number9
DOIs
StatePublished - Sep 1996

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films
  • Electrochemistry
  • Materials Chemistry

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