Journal
ELECTROCHEMISTRY
Volume 80, Issue 10, Pages 771-773Publisher
ELECTROCHEMICAL SOC JAPAN
DOI: 10.5796/electrochemistry.80.771
Keywords
Monofluorinated Solvent; Polar Effect; Structural Isomerism; Metamerism
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Methyl propyl carbonate (MPC) shows a liquid temperature range that is wider than that of diethyl carbonate (DEC). Monofluorinated organic solvents exert the strong polar effect on the physical and the electrochemical properties. 2-Fluoropropyl methyl carbonate (2FPMC) and ethyl 2-fluoroethyl carbonate (E2FEC) are isomeric with each other. The relative permittivity and viscosity of 2FPMC were higher than those of E2FEC, MPC, and DEC. The ionic conductivity of 1 mol dm(-3) LiPF6 solution in 2FPMC was lower than those in E2FEC, MPC, and DEC. The use of 2FPMC as a co-solvent greatly improved cycling efficiency of a lithium anode. (C) The Electrochemical Society of Japan, All rights reserved.
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