Chemically Modified Ordered Mesoporous Carbon/Polyaniline Composites for Electrochemical Capacitors

Chemical Research in Chinese Universities ›› 2011, Vol. 27 ›› Issue (2): 295-299.

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Chemically Modified Ordered Mesoporous Carbon/Polyaniline Composites for Electrochemical Capacitors

KONG Ling-bin^1,2*, ZHANG Jing¹, CAI Jian-jun¹, YANG Zhen-sheng¹, LUO Yong-chun² and KANG Long²

1. State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials,
2. School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China

Received:2010-05-13 Revised:2010-09-02 Online:2011-03-25 Published:2011-03-09
Contact: KONG Ling-bin E-mail:konglb@lut.cn
Supported by:
Supported by the National Basic Research Program of China(No.2007CB216408), the National Natural Science Foundation of China(No.50602020), and the Program for Outstanding Young Teachers in Lanzhou University of Technology, China (No.Q200803).

Abstract

Abstract: Chemically modified ordered mesoporous carbon CMK-3 materials were prepared by means of an easy wet-oxidative method in 2 mol/L nitric acid aqueous solution. A large amount of oxygen-containing functional groups were introduced onto the CMK-3 surface. Modified CMK-3(m-CMK-3) and aniline monomer were polymerized via an in situ chemical oxidative polymerization method. Morphological characterizations of m-CMK-3/PANI (polyaniline) composites were carried out via field emission scanning electron microscopy(SEM). Their electrochemical properties were investigated with cyclic voltammetry, galvanostatic charge-discharge, and electrochemical impedance spectroscopy. The m-CMK-3/PANI composites have excellent properties in capacitance, and the highest specific capacitance(SC) value was up to 489 F/g, suggesting their potential application in the electrode material for electrochemical capacitors.

Key words: Ordered mesoporous carbon, Polyaniline, Chemical modification, In situ chemical polymerization, Electrochemical capacitor

KONG Ling-bin*, ZHANG Jing, CAI Jian-jun, YANG Zhen-sheng, LUO Yong-chun, ... . Chemically Modified Ordered Mesoporous Carbon/Polyaniline Composites for Electrochemical Capacitors[J]. Chemical Research in Chinese Universities, 2011, 27(2): 295-299.

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Chemically Modified Ordered Mesoporous Carbon/Polyaniline Composites for Electrochemical Capacitors

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