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

Guorui Cai; John Holoubek; Dawei Xia; Mingqian Li; Yijie Yin; Xing Xing; Ping Liu; Zheng Chen

doi:10.1039/D0CC03798B

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

Guorui Cai,^a John Holoubek,^a Dawei Xia,^a Mingqian Li,^b Yijie Yin,^c Xing Xing,^c Ping Liu

^abcd and Zheng Chen

*^abcd

Author affiliations

* Corresponding authors

^a Department of NanoEngineering, University of California, San Diego, La Jolla, CA 92093, USA
E-mail: zhengchen@eng.ucsd.edu
Web: http://zhengchen.eng.ucsd.edu/

^b Program of Chemical Engineering, University of California, San Diego, La Jolla, CA 92093, USA

^c Program of Materials Science, University of California, San Diego, La Jolla, CA 92093, USA

^d Sustainable Power and Energy Center, University of California, San Diego, La Jolla, CA 92093, USA

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.

This article is part of the themed collection: 2020 Emerging Investigators

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DOI: https://doi.org/10.1039/D0CC03798B
Article type: Communication
Submitted: 29 May 2020
Accepted: 24 Jun 2020
First published: 24 Jun 2020

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Chem. Commun., 2020,56, 9114-9117

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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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Chemical Communications

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

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

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