Issue 4, 2017
From the journal:

Energy & Environmental Science

Oxidatively stable fluorinated sulfone electrolytes for high voltage high energy lithium-ion batteries†

Chi-Cheung Su,a   Meinan He,a   Paul C. Redfern,b   Larry A. Curtiss,b   Ilya A. Shkroba  and  Zhengcheng Zhang ORCID logo *a  

* Corresponding authors

a Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 S. Cass Ave., Argonne, IL 60439, USA
E-mail: csu@anl.gov, hem@anl.gov, shkrob@anl.gov, zzhang@anl.gov
Fax: +1-630-972-4440
Tel: +1-630-252-6964

b Materials Science Division, Argonne National Laboratory, 9700 S. Cass Ave., Argonne, IL 60439, USA
E-mail: redfern@anl.gov, curtiss@anl.gov
Fax: +1-630-252-9555
Tel: +1-630-252-6107

Abstract

New fluorinated sulfones were synthesized and evaluated in high voltage lithium-ion batteries using a LiNi0.5Mn0.3Co0.2O2 (NMC532) cathode. Fluorinated sulfones with an α-trifluoromethyl group exhibit enhanced oxidation stability, reduced viscosity and superior separator wettability as compared to their non-fluorinated counterparts. Their improved performance in high voltage NMC532/graphite cells makes them promising high voltage electrolytes for next generation high voltage high energy lithium-ion batteries.

Graphical abstract: Oxidatively stable fluorinated sulfone electrolytes for high voltage high energy lithium-ion batteries

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Article information

DOI
https://doi.org/10.1039/C7EE00035A
Article type
Communication
Submitted
04 Jan 2017
Accepted
16 Mar 2017
First published
16 Mar 2017

Energy Environ. Sci., 2017,10, 900-904

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Oxidatively stable fluorinated sulfone electrolytes for high voltage high energy lithium-ion batteries

C. Su, M. He, P. C. Redfern, L. A. Curtiss, I. A. Shkrob and Z. Zhang, Energy Environ. Sci., 2017, 10, 900 DOI: 10.1039/C7EE00035A

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