S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Chemical and Biological Engineering (화학생물공학부) Journal Papers (저널논문_화학생물공학부)
Magnesium(II) Bis(trifluoromethane sulfonyl) Imide-Based Electrolytes with Wide Electrochemical Windows for Rechargeable Magnesium Batteries
- Ha, Se-Young; Lee, Yong-Won; Woo, Sang Won; Koo, Bonjae; Kim, Jeom-Soo; Cho, Jaephil; Lee, Kyu Tae; Choi, Nam-Soon
- Issue Date
- ACS Applied Materials and Interfaces, Vol.6 No.6, pp.4063-4073
- We present a promising electrolyte candidate, Mg(TFSI)(2) dissolved in glyme/diglyme, for future design of advanced magnesium (Mg) batteries. This electrolyte shows high anodic stability on an aluminum current collector and allows Mg stripping at the Mg electrode and Mg deposition on the stainless steel or the copper electrode. It is clearly shown that nondendritic and agglomerated Mg secondary particles composed of ca. 50 nm primary particles alleviating safety concern are formed in glyme/diglyme with 0.3 M Mg(TFSI)(2) at a high rate of 1C. Moreover, a Mg(TFSI)(2)-based electrolyte presents the compatibility toward a Chevrel phase Mo6S8, a radical polymer charged up to a high voltage of 3.4 V versus Mg/Mg2+ and a carbon-sulfur composite as cathodes.
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