Inorganic electrolyte solutions and gels for rechargeable lithium batteries

Kang Xu; Natalie D. Day; Charles Angell

doi:10.1149/1.1837089

Inorganic electrolyte solutions and gels for rechargeable lithium batteries

Kang Xu, Natalie D. Day, Charles Angell

Molecular Sciences, School of (SMS)

Research output: Contribution to journal › Article › peer-review

24 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 language	English (US)
Pages (from-to)	L209-L211
Journal	Journal of the Electrochemical Society
Volume	143
Issue number	9
DOIs	https://doi.org/10.1149/1.1837089
State	Published - 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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10.1149/1.1837089

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AB - 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.

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Inorganic electrolyte solutions and gels for rechargeable lithium batteries

Abstract

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