Growth of aligned carbon nanotube arrays on metallic substrate and its application to supercapacitors

被引：88

作者：

Gao, Lijun ^{[1
]}

Peng, Aiping ^{[1
,2
]}

Wang, Zhi Yong ^{[2
]}

Zhang, Hao ^{[2
,3
]}

Shi, Zujin ^{[2
]}

Gu, Zhennan ^{[2
]}

Cao, Gaoping ^{[3
]}

Ding, Bangzhu ^{[1
]}

机构：

[1] Nan Chang Univ, Dept Chem, Nanchang 330031, Jiang Xi, Peoples R China

[2] Peking Univ, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, Beijing 100871, Peoples R China

[3] Res Inst Chem Def, Beijing 100083, Peoples R China

来源：

SOLID STATE COMMUNICATIONS | 2008年 / 146卷 / 9-10期

基金：

中国国家自然科学基金;

关键词：

aligned carbon nanotube array; nanostructure; supercapacitor; iron (II) phthalocyanine;

D O I：

10.1016/j.ssc.2008.03.034

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Aligned carbon nanotube arrays (ACNTAs) with lengths up to 150 km were fabricated on metallic alloy (Inconel 600) substrates by pyrolysis of iron (II) phthalocyanine (FePc) in the presence of ethylene (C2H4). The as-grown ACNTAs, formed by aligned multi-walled carbon nanotubes with high purity, were characterized by scanning electron microscopy (SEM), high resolution transmission electron microscopy (HRTEM), and Raman spectroscopy techniques. The ACNTAs were used directly as electrode materials in supercapacitors with (Et)(4)NBF4 + propylene carbonate (PC) as electrolyte, and their electrochemical properties were investigated. A rectangular-shaped cyclic voltarnmetry (CV) curve was observed even at a sweep rate of 1000 mV s(-1). The specific capacitance measured at 1000 mV s(-1) was about 57% (47 Fg(-1)) of that obtained at 1 mV s(-1) (83 F g(-1)), and an equivalent series resistance (ESR) of 0.55 Omega was measured for the ACNTA and activated carbon pair electrodes embedded in a coin cell. The results indicated that the ACNTAs could be a promising candidate as electrode materials in supercapacitors. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：380 / 383

页数：4

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