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Issue 80, 2019
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Water-in-salt electrolytes for aqueous lithium-ion batteries with liquidus temperatures below −10 °C

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Abstract

Crystallization near room temperature is a common challenge for water-in-salt electrolytes. We demonstrate that water-in-salt electrolytes based on lithium (pentafluoroethanesulfonyl)(trifluoromethanesulfonyl)imide remain thermodynamically in the liquid state down to at least −10 °C. Combined with their excellent chemical and electrochemical stability as well as high lithium-ion conductivity, these electrolytes represent a key enabler for the next generation of high-voltage aqueous lithium-ion batteries.

Graphical abstract: Water-in-salt electrolytes for aqueous lithium-ion batteries with liquidus temperatures below −10 °C

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Article information


Submitted
11 Jun 2019
Accepted
09 Sep 2019
First published
13 Sep 2019

Chem. Commun., 2019,55, 12032-12035
Article type
Communication

Water-in-salt electrolytes for aqueous lithium-ion batteries with liquidus temperatures below −10 °C

M. Becker, R. Kühnel and C. Battaglia, Chem. Commun., 2019, 55, 12032
DOI: 10.1039/C9CC04495G

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