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Issue 23, 2019
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An ethyl methyl sulfone co-solvent eliminates macroscopic morphological instabilities of lithium metal anode

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Abstract

Lithium metal anodes suffer from a short cycle life, and the parasitic reactions of lithium with electrolytes are widely observed. Common sense is to avoid such reactions. Herein, we head in the opposite direction by using an oxidizing co-solvent, ethyl methyl sulfone, in the electrolyte, which addresses the ‘dendrite’ issue entirely, resulting in a dense and macroscopically smooth surface morphology of the plated lithium. However, a dendrite-free lithium metal anode does not necessarily exhibit a high coulombic efficiency.

Graphical abstract: An ethyl methyl sulfone co-solvent eliminates macroscopic morphological instabilities of lithium metal anode

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Article information


Submitted
03 Jan 2019
Accepted
19 Feb 2019
First published
21 Feb 2019

Chem. Commun., 2019,55, 3387-3389
Article type
Communication
Author version available

An ethyl methyl sulfone co-solvent eliminates macroscopic morphological instabilities of lithium metal anode

W. Shin, K. P. So, W. F. Stickle, C. Su, J. Lu, J. Li and X. Ji, Chem. Commun., 2019, 55, 3387
DOI: 10.1039/C9CC00046A

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