Chinese Journal of Applied Chemistry

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Preparation of Polyaniline/Polysulfone Composite Material and Their Super-capacitive Performance

SHANG Xiuli1*, SUO Longning1, FENG Wencheng1, WU Haixia1, HU Zhongai2   

  1. (1.Department of Petrochemical Engineering,Lanzhou Petrochemical College of Vocational Technology,Lanzhou 730060,China;
    2.Key Laboratory of Polymer Materials of Gansu Province,College of Chemistry and
    Chemical Engineering,Northwest Normal University,Lanzhou 730070,China)
  • Received:2012-10-31 Revised:2013-01-05 Published:2013-09-10 Online:2013-09-10
  • Contact: SHANG

Abstract: Polyaniline doped with hydrochloric acid was prepared by chemical polymerization, and polyaniline/polysulfone composite film electrode was obtained by mixing the doped polyaniline with the polysulfone solution, and quantitatively adding the mixture to the glassy carbon electrode. The morphology and structure of polyaniline were characterized by scanning electron microscopy(SEM),Fourier transform infrared spectroscopy(FTIR) and X-ray diffraction(XRD). The electrochemical properties of supercapacitor were investigated by cyclic voltammetry, galvanostatic charging-discharging and electrochemical impedance spectroscopy. These results show that polyaniline/polysulfone composite with porous structure has good capacitance performance, and a specific capacitance of 497 F/g is obtained. The composite also exhibits lower inter resistance and good cycle stability.

Key words: Polyaniline, polysulfone,, supercapacitor

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