Journal
CHINESE SCIENCE BULLETIN
Volume 55, Issue 11, Pages 1100-1106Publisher
SCIENCE PRESS
DOI: 10.1007/s11434-009-0573-9
Keywords
polyaniline; supercapacitor; in situ polymerization; capacitance
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Funding
- National Natural Science Foundation of China [206030240]
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The polyaniline coated multi-walled carbon nanotubes (PANI/CNTs) composites were synthesized by in situ polymerization. The microstructure and component of the composites were characterized by scanning electron microscope (SEM), Fourier transfer infrared spectroscopy (FTIR), X-ray diffraction (XRD), and N-2 adsorption BET. The electrochemical performances of the samples were tested by cyclic voltammogram (CV), electrochemical impedance spectroscopy (EIS) and galvanostatic charge/discharge. The results showed that the thickness of PANI layer on the surface of CNTs was ca. 50 nm. The specific capacitance of the obtained composite material was about 305.3 F g(-1), which was much better than the specific capacitance of the pure CNTs (31 F g(-1)).
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