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PPy doped with different metal sulphate as electrode materials for supercapacitors

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Abstract

A facile approach has been established to prepare PPy via in situ polymerization with different metal sulfate as dopants. The morphology and structure of PPy and doped PPy were characterized by scanning electron microscopy (SEM) and fourier transform infrared (FT-IR). It was found that doped PPy has different morphology and a slight structure change. The electrochemical performance of the samples has been illustrated by cyclic voltammetry (CV), galvanostatic charge–discharge (GCD) and AC impedance measurements. Compared with the PPy, the specific capacitance of PPy/Cu2+ has been improved to 224 F g–1 at the current density of 0.6 A g–1. Also, the relationship between electrochemical properties of doped PPy and various parameters of metal ions has been investigated.

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Authors and Affiliations

  1. College of Perochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, China

    Yong Chen, Guiying Kang & Hui Xu

  2. Colloge of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou, 730050, China

    Long Kang

Authors
  1. Yong Chen
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  2. Guiying Kang
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  3. Hui Xu
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  4. Long Kang
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Corresponding author

Correspondence to Yong Chen.

Additional information

Published in Russian in Elektrokhimiya, 2017, Vol. 53, No. 4, pp. 407–414.

The article is published in the original.

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Chen, Y., Kang, G., Xu, H. et al. PPy doped with different metal sulphate as electrode materials for supercapacitors. Russ J Electrochem 53, 359–365 (2017). https://doi.org/10.1134/S1023193517040036

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  • DOI: https://doi.org/10.1134/S1023193517040036

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