Effect of small cation addition on the conductivity of quaternary ammonium ionic liquids

被引：22

作者：

Egashira, M

Okada, S

Yamaki, J

Yoshimoto, N

Morita, M

机构：

[1] Yamaguchi Univ, Fac Engn, Ube, Yamaguchi 7558611, Japan

[2] Kyushu Univ, Inst Mat Chem & Engn, Fukuoka 8168580, Japan

来源：

ELECTROCHIMICA ACTA | 2005年 / 50卷 / 18期

基金：

日本科学技术振兴机构;

关键词：

ionic liquid; quaternary ammonium salt; lithium salt; conductivity; differential scanning calorimetry;

D O I：

10.1016/j.electacta.2005.01.016

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Several quaternary ammonium or lithium bis(trifluoromethane sulfone) imide (TFSI) salts were dissolved into N,N,N,N-hexyltrimethyl ammonium TFSI ionic liquid, and the conductivities of the resulting solutions were measured. Some asymmetric quaternary ammonium salts contributed to increase the conductivity of the solution, while cyano-containing quaternary ammonium and lithium salts decreased the conductivity. Based on the results of differential scanning calorimetry (DSC) measurements, such conductivity behaviors appeared to be related to the intrinsic miscibility of the ionic liquid solutions. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：3708 / 3712

页数：5

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