Magnesium(II) Bis(trifluoromethane sulfonyl) Imide-Based Electrolytes with Wide Electrochemical Windows for Rechargeable Magnesium Batteries

被引：462

作者：

Ha, Se-Young ^{[1
]}

Lee, Yong-Won ^{[1
]}

Woo, Sang Won ^{[1
]}

Koo, Bonjae ^{[1
]}

Kim, Jeom-Soo ^{[2
]}

Cho, Jaephil ^{[1
]}

Lee, Kyu Tae ^{[1
]}

Choi, Nam-Soon ^{[1
]}

机构：

[1] UNIST, Interdisciplinary Sch Energy & Chem Engn, Ulsan 689798, South Korea

[2] Dong A Univ, Dept Chem Engn, Pusan, South Korea

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 06期

关键词：

electrochemistry; diglyme; magnesium battery; magnesium deposition; magnesium stripping; MG BATTERIES; CHALLENGES; STORAGE; POLYMER; CATHODE;

D O I：

10.1021/am405619v

中图分类号：

TB3 [工程材料学];

学科分类号：

082905 [生物质能源与材料];

摘要：

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.

引用

页码：4063 / 4073

页数：11

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