Preparation and Characterization of Carbon Nanotubes-Based Composite Electrodes for Electric Double Layer Capacitors

被引：3
|
作者：
Seo, Min-Kang [1 ,2 ]
Park, Soo-Jin [1 ]
机构：
[1] Inha Univ, Dept Chem, Inchon 402751, South Korea
[2] Jeonju Inst Machinery & Carbon Composites, Jeonju 561844, South Korea
来源：
BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2012年 / 33卷 / 05期
关键词：
Multi-walled carbon nanotubes; Polyacrylonitrile; Composites; Activation; Electrochemical properties; ACTIVATED CARBON; MESOPOROUS CARBON; EDLCS APPLICATION; BEHAVIORS;
D O I：
10.5012/bkcs.2012.33.5.1523
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, we prepared activated multi-walled carbon nanotubes/polyacrylonitrile (A-MWCNTs/C) composites by film casting and activation method. Electrochemical properties of the composites were investigated in terms of serving as MWCNTs-based electrode materials for electric double layer capacitors (EDLCs). As a result, the A-MWCNTs/C composites had much higher BET specific surface area, and pore volume, and lower volume ratio of micropores than those of pristine MWCNTs/PAN ones. Furthermore, some functional groups were added on the surface of the A-MWCNTs/C composites. The specific capacitance of the A-MWCNTs/C composites was more than 4.5 times that of the pristine ones at 0.1 V discharging voltage owing to the changes of the structure and surface characteristics of the MWCNTs by activation process.
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页码：1523 / 1526
页数：4
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