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Issue 4, 2017
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Oxidatively stable fluorinated sulfone electrolytes for high voltage high energy lithium-ion batteries

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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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Publication details

The article was received on 04 Jan 2017, accepted on 16 Mar 2017 and first published on 16 Mar 2017


Article type: Communication
DOI: 10.1039/C7EE00035A
Citation: 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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