A new ether-based electrolyte for dendrite-free lithium-metal based rechargeable batteries

A new ether-based electrolyte to match lithium metal electrode is prepared by introducing 1, 4-dioxane as co-solvent into lithium bis(fluorosulfonyl)imide/1,2-dimethoxyethane solution. Under the synergetic effect of solvents and salt, this simple liquid electrolyte presents stable Li cycling with de...

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Bibliographic Details
Published in:Scientific reports 2016-02, Vol.6 (1), p.21771-21771, Article 21771
Main Authors: Miao, Rongrong, Yang, Jun, Xu, Zhixin, Wang, Jiulin, Nuli, Yanna, Sun, Limin
Format: Article
Language:English
Subjects:
140/146
639/638/161/891
639/638/675
Batteries
Dendrites
Electrolytes
Humanities and Social Sciences
Lithium
multidisciplinary
Science
Science (multidisciplinary)
Solvents
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Summary:A new ether-based electrolyte to match lithium metal electrode is prepared by introducing 1, 4-dioxane as co-solvent into lithium bis(fluorosulfonyl)imide/1,2-dimethoxyethane solution. Under the synergetic effect of solvents and salt, this simple liquid electrolyte presents stable Li cycling with dendrite-free Li deposition even at relatively high current rate, high coulombic efficiency of ca. 98%, and good anodic stability up to ~4.87 V vs Li RE. Its excellent performance will open up a new possibility for high energy-density rechargeable Li metal battery system.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep21771