Electric double layer capacitor with low series resistance fabricated by carbon nanotube addition

被引:38
作者
Show, Yoshiyuki [1 ]
Imaizumi, Kentaro [1 ]
机构
[1] Tokai Univ, Dept Elect & Elect Engn, Hiratsuka, Kanagawa 2591292, Japan
关键词
electric double layer capacitor; carbon nanombe; series resistance;
D O I
10.1016/j.diamond.2006.11.005
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An electric double layer capacitor (EDLC) was fabricated with the addition of carbon nanotubes (CNTs) to the polarizable electrodes to act as a conducting material. This EDLC showed a low series resistance of 2.5 Omega, because the CNTs allow a greater number of the activated carbon particles to be connected electrically. This resistance value was lower than that of an EDLC fabricated with the addition of acetylene black, which is widely used in commercial EDLCs. The low series resistance increased the electric energy stored, even though the capacitance of the EDLC was not increased. Moreover, the energy efficiency, which is the ratio between the charge and the discharge electric power, is increased. (c) 2006 Elsevier B.V All rights reserved.
引用
收藏
页码:1154 / 1158
页数:5
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