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A highly concentrated phosphate-based electrolyte for high-safety rechargeable lithium batteries

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Abstract

We prepare a totally nonflammable phosphate-based electrolyte composed of 5 mol Lāˆ’1 (M) Li bis(fluorosulfonyl) imide (LiFSI) in a trimethyl phosphate (TMP) solvent. The concentrated 5 M LiFSI/TMP electrolyte shows good compatibility with graphite and no Al corrosion. More attractively, such a concentrated electrolyte can effectively suppress the growth of Li dendrites in Li metal batteries because of a stable LiF-rich SEI layer. Therefore, this highly concentrated electrolyte is promising for safe Li batteries.

Graphical abstract: A highly concentrated phosphate-based electrolyte for high-safety rechargeable lithium batteries

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Publication details

The article was received on 05 Feb 2018, accepted on 04 Apr 2018 and first published on 04 Apr 2018


Article type: Communication
DOI: 10.1039/C8CC00994E
Citation: Chem. Commun., 2018, Advance Article
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    A highly concentrated phosphate-based electrolyte for high-safety rechargeable lithium batteries

    P. Shi, H. Zheng, X. Liang, Y. Sun, S. Cheng, C. Chen and H. Xiang, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C8CC00994E

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