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A self-cooling and retardant electrolyte for safer lithium ion battery

Abstract

Rational design of retardant electrolyte is essential for improving the safety of lithium ion battery. Cooling is the key to curb thermal runaway and compatibility is the basis to ensure electrochemical performance. Here we design a composite electrolyte with double safety protection mechanism by self-cooling and retardant effect simultaneously. N, N-Dimethylacetamide (DMAC) as a Lewis base can improve thermal stability and perfluoro-2-methyl-3-pentanone (PFMP) with a self-cooling function can act as internal micro fire extinguishers. Acceptable electrochemical performance is insured by the introduction of fluorocarbon surfactant (FS) which can improve the interface compatibility. This composite electrolyte is a good alternative for lithium ion battery as it presents appreciable properties both in electrochemical performance and thermal stability.

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Publication details

The article was received on 07 Mar 2018, accepted on 12 Apr 2018 and first published on 12 Apr 2018


Article type: Paper
DOI: 10.1039/C8SE00111A
Citation: Sustainable Energy Fuels, 2018, Accepted Manuscript
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    A self-cooling and retardant electrolyte for safer lithium ion battery

    L. Jiang, Q. Wang, K. Li, P. Ping, L. Jiang and J. Sun, Sustainable Energy Fuels, 2018, Accepted Manuscript , DOI: 10.1039/C8SE00111A

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