期刊
ELECTROCHEMISTRY
卷 84, 期 10, 页码 772-775出版社
ELECTROCHEMICAL SOC JAPAN
DOI: 10.5796/electrochemistry.84.772
关键词
Magnesium Batteries; Alkylmagnesium Halide; Raman Spectroscopy
资金
- ACLA-SPRING project of the Japan Science and Technology Agency
To elucidate effective species and their quantitative requirements for reversible magnesium deposition, a triglyme solution of ethylmagnesium bromide (EtMgBr) complex was mixed with magnesium bis(trifluoromethanesulfonyl) amide/triglyme solution in various ratios. The mixed electrolyte characteristics have been assessed using electrochemical magnesium deposition tests, titration of methanol, and Raman spectroscopy. The existence of EtMgBr reduces the overpotential of magnesium deposition. The Coulombic efficiency of this process varies linearly with the EtMgBr content, although the active EtMgBr decreases more than expected from the mixing ratio. Raman spectra for the mixed electrolyte suggest a change in the structure of magnesium bromide species and coordination mode of magnesium by mixing of EtMgBr with magnesium sulfonylamide salt. (C) The Electrochemical Society of Japan, All rights reserved.
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