直立碳纳米管超级电容器的研究

doi:10.61558/2993-074X.1857

电化学（中英文） ›› 2008, Vol. 14 ›› Issue (1): 24-29. doi: 10.61558/2993-074X.1857

直立碳纳米管超级电容器的研究

叶晓燕;王艳芝;宋海燕;孙卓;何品刚;方禹之;

华东师范大学化学系,华东师范大学化学系,华东师范大学化学系,华东师范大学纳光电集成与先进装备教育部工程研究中心,华东师范大学化学系,华东师范大学化学系华东师范大学纳光电集成与先进装备教育部工程研究中心,上海200062,上海200062,华东师范大学纳光电集成与先进装备教育部工程研究中心,上海200062

收稿日期:2008-02-28 修回日期:2008-02-28 出版日期:2008-02-28 发布日期:2008-02-28

A Study on Supercapacitor Based on Aligned Carbon Nanotubes

YE Xiao-yan1,WANG Yan-zhi1,SONG Hai-yan1,2,SUN Zhuo2,HE Pin-gang1,2,FANG Yu-zhi1

(1.Department of Chemistry,East China Normal University,Shanghai 200062,China,2.Engineering Research Center for Nanophonics & Advanced Instrument,Ministry of Education,Shanghai 200062,China

Received:2008-02-28 Revised:2008-02-28 Published:2008-02-28 Online:2008-02-28

摘要/Abstract

摘要： 在石英玻璃基底上,以酞菁裂解法低压气相沉积制备大面积管径均匀、长度一致的直立碳纳米管.分别应用电解质溶液浸润、酸处理和循环伏安扫描等3种不同方法纯化活化该直立碳纳米管,并以活化后的碳纳米管作为原型超级电容器的电极.循环伏安扫描和交流阻抗测试表明,CV曲线呈近似矩形,交流阻抗最大相位角超过80°,该直立碳纳米管的比电容为16~32F/g,乃超级电容器理想的电极材料.

关键词: 直立碳纳米管, 超级电容器, 循环伏安, 交流阻抗

Abstract: Large scale vertically aligned carbon nanotubes(ACNTs) with uniform length and diameter were prepared by the pyrolysis of iron(Ⅱ) phthalocyanine at low pressure.The ACNTs were activated by electrolyte-activation,acid-activation or electrochemical activation.The performance of the capacitor based on activated ACNTs was characterized by cyclic voltammograms which was of rectangular shape,impedence spectroscopy in which the phase is above 80° and the result specific capacitance was 16～32 F/g,which suggest that the ACNTs are the promising material for the supercapacitor.

Key words: aligned carbon nanotubes, supercapacitor, cyclic voltammetry, impedence spectroscopy

中图分类号:

TM53

叶晓燕, 王艳芝, 宋海燕, 孙卓, 何品刚, 方禹之, . 直立碳纳米管超级电容器的研究[J]. 电化学（中英文）, 2008, 14(1): 24-29.

YE Xiao-yan, WANG Yan-zhi, SONG Hai-yan, SUN Zhuo, HE Pin-gang, FANG Yu-zhi. A Study on Supercapacitor Based on Aligned Carbon Nanotubes[J]. Journal of Electrochemistry, 2008, 14(1): 24-29.

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直立碳纳米管超级电容器的研究

A Study on Supercapacitor Based on Aligned Carbon Nanotubes

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