High temperature supercapacitors using water-in-salt electrolytes: stability above 100 °C

被引：18
|
作者：
Le Fevre, Lewis W. [1 ,2 ,3 ]
Ejigu, Andinet [2 ,3 ]
Todd, Rebecca [1 ]
Forsyth, Andrew J. [1 ]
Dryfe, Robert A. W. [2 ,3 ]
机构：
[1] Univ Manchester, Dept Elect & Elect Engn, Manchester M13 9PL, Lancs, England
[2] Univ Manchester, Dept Chem, Manchester M13 9PL, Lancs, England
[3] Univ Manchester, Natl Graphene Inst, Manchester M13 9PL, Lancs, England
来源：
CHEMICAL COMMUNICATIONS | 2021年 / 57卷 / 43期
基金：
英国工程与自然科学研究理事会;
关键词：
Supercapacitor;
D O I：
10.1039/d1cc01087e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The high temperature performance of water-in-salt electrolytes was investigated using a carbon-based electrode with commercial cell components. Supercapacitors using 21 m Li bis(trifluoromethylsulphonyl)imide (TFSI) and 21 m LiTFSI + 7 m Li trifluoromethanesulphonyl electrolytes are shown to operate at a voltage of 2 V at 100 degrees C and 120 degrees C, respectively, with gravimetric capacitances exceeding 100 F g(-1).
引用
收藏
页码：5294 / 5297
页数：4
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