Physicochemical properties of functionalized 1,3-dialkylimidazolium ionic liquids based on the bis(fluorosulfonyl)imide anion

被引：14

作者：

Wang, Guojun ^{[1
]}

Fang, Shaohua ^{[1
,3
]}

Liu, Yi ^{[1
]}

Luo, Dong ^{[1
]}

Yang, Li ^{[1
,2
,3
]}

Hirano, Shin-ichi ^{[2
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China

[2] Shanghai Jiao Tong Univ, Hirano Inst Mat Innovat, Shanghai 200240, Peoples R China

[3] Shanghai Electrochem Energy Devices Res Ctr, Shanghai 200240, Peoples R China

来源：

RSC ADVANCES | 2016年 / 6卷 / 71期

基金：

中国国家自然科学基金;

关键词：

SENSITIZED SOLAR-CELLS; TEMPERATURE MOLTEN-SALTS; LOW-VISCOSITY; ELECTROCHEMICAL PROPERTIES; LITHIUM BATTERY; POTENTIAL ELECTROLYTES; GRAPHITE-ELECTRODES; GREEN SOLVENTS; LI/LICOO2; CELL; DOUBLE-LAYER;

D O I：

10.1039/c6ra12323f

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new series of ether- or alkenyl-functionalized 1,3-dialkylimdazolium ILs based on the FSI anion were prepared and their physicochemical properties (melting point, thermal stability, viscosity, conductivity and electrochemical stability) were studied in detail and compared with the corresponding TFSI-based ILs. It was confirmed that introduction of ether or alkenyl groups and FSI anions jointly could reduce viscosity and enhance conductivity. These FSI-based ILs owned viscosities lower than 30 mPa s and conductivities higher than 7 mS cm(-1). AEI-FSI had the lowest viscosity (17.4 mPa s) among all the reported FSI-based ILs and it had relatively higher conductivity (12.8 mS cm(-1)) as well. The electrochemical windows of most ILs were wider than 3.7 V, indicating their promising application for electrochemical devices.

引用

页码：66650 / 66657

页数：8

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