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Issue 64, 2020
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An ester electrolyte for lithium–sulfur batteries capable of ultra-low temperature cycling

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Abstract

A novel lithium bis(fluorosulfonyl)imide in a methyl propionate/fluoroethylene carbonate (LiFSI MP/FEC) electrolyte was designed for high compatibility with the Li metal and sulfurized polyacrylonitrile (SPAN). The resulting Li||SPAN cells can charge and discharge at −20 °C and −40 °C with over 91% and 78% room temperature capacity retention.

Graphical abstract: An ester electrolyte for lithium–sulfur batteries capable of ultra-low temperature cycling

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Supplementary files

Article information


Submitted
29 May 2020
Accepted
24 Jun 2020
First published
24 Jun 2020

Chem. Commun., 2020,56, 9114-9117
Article type
Communication
Author version available

An ester electrolyte for lithium–sulfur batteries capable of ultra-low temperature cycling

G. Cai, J. Holoubek, D. Xia, M. Li, Y. Yin, X. Xing, P. Liu and Z. Chen, Chem. Commun., 2020, 56, 9114 DOI: 10.1039/D0CC03798B

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