Cyano-containing quaternary ammonium-based ionic liquid as a 'co-solvent' for lithium battery electrolyte

被引：48
作者：
Egashira, M
Nakagawa, M
Watanabe, L
Okada, S
Yamaki, JI
机构：
[1] Yamaguchi Univ, Dept Appl Chem & Chem Engn, Fac Engn, Ube, Yamaguchi 7558611, Japan
[2] Kyushu Univ, Inst Mat Chem & Engn, Kasuga, Fukuoka 8168580, Japan
来源：
JOURNAL OF POWER SOURCES | 2005年 / 146卷 / 1-2期
关键词：
ionic liquid; lithium battery; electrolyte; solid state interphase (SEI);
D O I：
10.1016/j.jpowsour.2005.03.069
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Imidazolium-based ionic liquid is one of attractive candidates for advanced lithium battery electrolyte. However, its cathodic stability is not sufficient for the reversible charge-discharge of negative electrodes. The authors previously proposed a quaternary ammonium-based ionic liquid containing a cyano group (cyano-QA) as a film-forming electrolyte on the negative electrode surface. In the present study, several cyano-QA ionic liquids have been prepared and their electrolyte properties have been estimated. Some ionic liquids based on cyano-containing quaternary ammonium cation provided reversible lithium deposition/dissolution couple when they were used as 'co-solvent' of electrolyte with the co-existence of EMITFSI. (c) 2005 Elsevier B.V All rights reserved.
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收藏
页码：685 / 688
页数：4
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