EMIHSO4 Based Polymer Electrolyte for Electrochemical Capacitors

被引：2
|
作者：
Ketabi, S. [1 ]
Lian, K. [1 ]
机构：
[1] Univ Toronto, Dept Mat Sci & Engn, Toronto, ON M5S 3E4, Canada
来源：
STUDENT POSTERS (GENERAL) - 219TH ECS MEETING | 2011年 / 35卷 / 31期
关键词：
IONIC LIQUIDS; SUPERCAPACITORS;
D O I：
10.1149/1.3647855
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Ionic liquid (IL) was investigated as electrolyte in both liquid and solid states for electrochemical capacitors (ECs). 1-Ethyl-3-methylimidazolium hydrogensulfate (EMIHSO4) is a non-fluorinated IL; however, it exhibits high resistivity. This issue could be overcome by employing an EMIHSO4-polymer electrolyte. This polymer-IL electrolyte had a slightly better performance compared to liquid IL. The EC with polymer-IL had a cell voltage window of 1.5 V. High scan rate response up to 1 V/s in cyclic voltammetry and a time constant of 2 s in impedance analyses was obtained.
引用
收藏
页码：61 / 66
页数：6
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