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The preparation of PANI/CA composite electrode material for supercapacitors and its electrochemical performance

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Abstract

Polyaniline (PANI)/carbon aerogel (CA) composite electrode materials were prepared by chemical oxidation polymerization. The morphology of PANI/CA composite was examined by scanning electron microscopy. The results showed that PANI was uniformly deposited onto the surface of porous CA and filled big inner pores of the CA. Electrochemical performance of the composite electrode was studied by cyclic voltammograms and galvanostatic charge/discharge measurements. The results indicated that the PANI/CA composite electrode had much better electrochemical performance, high reversibility, and high charge/discharge properties than CA. Moreover, the results based on cyclic voltammograms showed that the composite material has a high specific capacitance of 710.7 F g−1, while the capacitance of CA electrode was only 143.8 F g−1. Besides, the supercapacitor using the PANI/CA composite as electrode active material showed a stable cycle life in the potential range of −0.2–0.8 V.

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Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (Grant no. 20871101) and the Key Project of Education Department of Hunan Province Government (Grant no. 08A067).

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Authors and Affiliations

  1. School of Chemistry, Key Laboratory of Environmentally Friendly Chemistry and Applications of Minister of Education, Xiangtan University, Xiangtan, Hunan, 411105, China

    Hongfang An, Xianyou Wang, Na Li & Liping Zheng

  2. School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, Hubei, 430073, China

    Ying Wang

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  1. Hongfang An
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  2. Ying Wang
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Correspondence to Xianyou Wang.

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An, H., Wang, Y., Wang, X. et al. The preparation of PANI/CA composite electrode material for supercapacitors and its electrochemical performance. J Solid State Electrochem 14, 651–657 (2010). https://doi.org/10.1007/s10008-009-0835-0

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  • DOI: https://doi.org/10.1007/s10008-009-0835-0

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