Room temperature molten salt as electrolyte for carbon nanotube-based electric double layer capacitors

被引：95
|
作者：
Xu, Bin
Wu, Feng [1 ]
Chen, Renjie
Cao, Gaoping
Chen, Shi
Wang, Guoqing
Yang, Yusheng
机构：
[1] Beijing Inst Technol, Sch Chem Engn & Environm, Beijing 100081, Peoples R China
[2] Res Inst Chem Def, Beijing 100083, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2006年 / 158卷 / 01期
关键词：
room temperature molten salt; electrolyte; electric double layer capacitor; capacitance; carbon nanotube electrode;
D O I：
10.1016/j.jpowsour.2005.08.043
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：
Electric double layer capacitors (EDLCs) have been assembled with carbon nanotubes (CNTs) as the electrodes and a novel binary room temperature molten salt (RTMS) composed of lithium bis(trifluoromethane sulfone)imide (LiN(SO2CF3)(2), LiTFSI) and acetantide as the electrolyte. The electrochemical performances of the RTMS and the EDLC are evaluated with cyclic voltammetry (CV), ac impedance spectroscopy and galvanostatic charge/discharge, etc. The EDLC with these components show excellent electrochemical properties in specific capacitance, rate and cycling performances at ambient and elevated (60 degrees C) temperatures, indicating that RTMS is a promising electrolyte for advanced EDLCs. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：773 / 778
页数：6
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