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Supercapacitive properties of electrodeposited polypyrrole on acrylonitrile–butadiene rubber as a flexible current collector

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Abstract

Flexible sheets consisting of acrylonitrile–butadiene rubber (NBR) and vapor-grown carbon fiber (VGCF) are newly prepared varying the composition (VGCF 10–30 wt%) for use as a current collector of supercapacitor electrodes. The electrical conductivity of as-prepared VGCF/NBR current collector can be enhanced as the content of VGCF increases. The VGCF/NBR current collector is then electrodeposited with pyrrole using a potentiodynamic cyclic voltammetry to yield a polypyrrole (PPy)/VGCF/NBR composite electrode. Cyclic voltammetry result for the PPy/VGCF/NBR composites shows that the sample with 30 wt% VGCF achieves a maximum specific capacitance (125.8 F g−1) at 5 mV s−1 and reaches a lower specific capacitance at higher scan rates. In addition, the flexibility of supercapacitor electrode of PPy can also be established with a comparable capacitance value by using the NBR-based current collector.

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Acknowledgments

This research was financially supported by the Ministry of Education, Science Technology (MEST) and National Research Foundation of Korea (NRF) through the Human Resource Training Project (2011-06-04-055) for Regional Innovation and by a grant from the Cooperative R&D Program (B551179-10-01-00) funded by the Korea Research Council Industrial Science and Technology in Korea.

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Authors and Affiliations

  1. Division of Applied Chemistry and Biotechnology, Hanbat National University, Daejon, 305-719, South Korea

    Lovely Rose Hepowit, Sang Hern Kim, Yong Min Lee & Jang Myoun Ko

  2. Department of Chemistry, University of Ulsan, Ulsan, 680-749, South Korea

    Kwang Sun Ryu

  3. Research Team of Power Control Devices, Electronics and Telecommunications Research Institute (ETRI), Daejon, 305-700, South Korea

    Kwang Man Kim

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  1. Lovely Rose Hepowit
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  2. Kwang Man Kim
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  3. Sang Hern Kim
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  4. Kwang Sun Ryu
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  5. Yong Min Lee
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Correspondence to Kwang Man Kim or Jang Myoun Ko.

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Hepowit, L.R., Kim, K.M., Kim, S.H. et al. Supercapacitive properties of electrodeposited polypyrrole on acrylonitrile–butadiene rubber as a flexible current collector. Polym. Bull. 69, 873–880 (2012). https://doi.org/10.1007/s00289-012-0791-1

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  • DOI: https://doi.org/10.1007/s00289-012-0791-1

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