DEME TFSI用于鎂電池添加劑
默尼，專(zhuān)業(yè)提供DEME TFSI及相關(guān)產(chǎn)品
DEME TFSI產(chǎn)品鏈接：http://m.ilschem.cn/mains/showproduct.php?lang=cn&id=44#ad-age-0
Scientific Achievement
The effect of the addition of an ionic liquid DEME·TFSI to an electrolyte solution of Mg(HMDS)2-MgCl2 in THF was spectroscopically and electrochemically studied. Reversible magnesium deposition/dissolution and cycling of Mg-Mo6S8 coin cells were achieved with the DEME·TFSI-modified magnesium electrolyte.
Significance and Impact
Ionic liquids are thermally stable and non-volatile solvents, but they are largely incompatible with magnesium batteries. This study demonstrates the compatibility of the ionic liquid DEME·TFSI as an additive with magnesium deposition/dissolution and cycling of Mg-Mo6S8 coin cells, and provides insights to role of DEME·TFSI in the electrolyte.
Research Details
Addition of DEME·TFSI into Mg(HMDS)2-MgCl2/THF electrolyte enables higher ionic conductivity of the electrolyte, which facilitates magnesium deposition/dissolution.
Ionic conductivity measurements, cyclic voltammetry, SEM-EDS, NMR and Raman spectroscopy collectively suggest the role of DEME·TFSI in solution speciation of Mg(HMDS)2-MgCl2/THF electrolyte.
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