Journal of the Korean Electrochemical Society (전기화학회지)

The Korean Electrochemical Society (한국전기화학회)
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Electrochemical Properties of PPy/CNT Electrodes Prepared by Chemical Process for Ultracapacitor

  • Shin, Jeong-Gyun (Department of Ind. Chemical Engineering, Chungbuk National University) ;
  • Park, Soo-Gil (Research Center for Energy Conversion and Storage)
  • Published : 2007.05.28
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Abstract

Polypyrrole(PPy) was composite with MWNT to attain cycle stable by chemical method. We have been considered PPy is the ideal material for high energy density electrochemical capacitor due to pseudo capacitor reaction. In this study we found that increase in cycle life due to composite MWNT. Also PPy/MWNT composite material have resulted larger capacitance and exhibits better electrochemical behavior. The structural feature was investigated by using SEM and TEM. The PPy/CNT composite is not only a promising ultracapacitor material for energy storages but also has a good possibility because of its great capacitive properties, simple preparation and low cost.

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