Effect of Ionic Liquid on the Performance of Li-O2 Cell with LiTFSI in TEGDME Electrolyte

被引：0
|
作者：
Kim, Jae-Seok [1 ]
Ahn, Eunsaem [1 ]
Tak, Yongsug [1 ]
机构：
[1] Inha Univ, Dept Chem Engn, Inchon 402751, South Korea
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2015年 / 10卷 / 04期
基金：
新加坡国家研究基金会;
关键词：
Li-air battery; ionic liquid; Tetraethylene glycol dimethyl ether(TEGDME); 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide(EMITFSI); 1-butyl-2,3-dimethylimidazolium bis(trifluoromethanesulfonyl)imide(BDMITFSI); BATTERY; MIXTURE;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Effect of ionic liquids, 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide (EMITFSI) and 1-butyl-2,3-dimethylimidazolium bis(trifluoromethanesulfonyl) imide (BDMITFSI), on the Li-O-2 cell performance was investigated by mixing ionic liquids with LiTFSI in TEGDME electrolyte at a specific volume ratio. Addition of ionic liquids improved the discharge/charge cycleability and optimum mixing ratio of LiTFSI in TEGDME to ionic liquid was 9 to 1. EMITFSI and BDMITFSI ionic liquids reduced the overpotential of oxygen evolution reaction occurred during charging process and BDMITFSI is more effective than EMITFSI. Successive linear sweep voltammetry is in agreement with the observed discharge/charge cycleability.
引用
收藏
页码：2921 / 2930
页数：10
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