Journal
CHEMICAL COMMUNICATIONS
Volume 55, Issue 68, Pages 10088-10091Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cc04877d
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Funding
- National Natural Science Foundation of China [21606065, 21676067, 51372060]
- Anhui Provincial Natural Science Foundation [1708085QE98]
- Fundamental Research Funds for the Central Universities [JZ2017HGTB0198, JZ2017YYPY0253, JZ2018HGBZ0138]
- Opening Project of CAS Key Laboratory of Materials for Energy Conversion [KF2018003]
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Trace ethanol is applied as a cheap and effective electrolyte additive for reducing the activation voltage of Li2S cathodes in lithium-ion-sulfur batteries. Because Li2S can dissolve in ethanol, the solid-solid phase reaction in the first stage of the activation process converts into a liquid-solid phase reaction, which expedites the transport of electrons and lithium ions and reduces the activation voltage of Li2S. This strategy can be extended to other solvents that can dissolve Li2S.
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