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Citation: JIANG Qi, ZHANG Qian, DU Bing, ZHAO Xiao-Feng, ZHAO Yong. Preparation and Electrochemical Properties of CNTs-PANI Composite Material via Finite Field Polymerization[J]. Acta Physico-Chimica Sinica, ;2008, 24(09): 1719-1723. doi: 10.3866/PKU.WHXB20080934 shu

Preparation and Electrochemical Properties of CNTs-PANI Composite Material via Finite Field Polymerization

1.
Key Laboratory of Advanced Technologies of Materials of the Ministry of Education of China, Superconductivity R&D Center, Southwest Jiao Tong University, Chengdu 610031, P. R. China

Received Date: 24 March 2008
Available Online: 9 July 2008

Finite field polymerization was applied to prepare carbon nanotubes-polyaniline (CNTs-PANI) composite based on coating polyaniline on the surface of the CNTs. The microstructure and component of the obtained materials were characterized by transmission electron microscope (TEM), scanning electron microscope (SEM), and Fourier transform infrared (FTIR) spectroscopy. The electrochemical performances of the samples were tested by cyclic voltammogram and galvanostatic charge/discharge by assembling the materials into electrochemical supercapacitors. The results showed that PANI could symmetrically grow on the surface of the CNTs by the finite field method. The specific capacitance of the obtained composite material was about 117.7 F·g-1 (organic electrolyte) whereas the specific capacitances of the pure CNTs and the pure PANI were about 25.0 and 65.0 F·g-1 at the same conditions. All these indicated that the finite field polymerization was a promising method to prepare nano-composite.
- Finite field polymerization; Nano-composite; Electrochemical property; Supercapacitor
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