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Supported porous carbon and carbon–CNT nanocomposites for supercapacitor applications

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Abstract

Supported porous carbon and porous carbon-MWCNT-nanocomposite films are produced by pyrolysis of porous polyvinylidene fluoride (PVDF) or porous PVDF–MWCNT-nanocomposite films on thermally resistant substrates. All films are characterized by SEM, RAMAN and XRD. The application of these films as supercapacitors is explored with outstanding supercapacitance values ranging from 80 to 120 F g−1 (up to 70 mF cm−2) in a three-electrode set-up in 1 M KOH, depending on microstructure. Additionally, the implementation of porous nanocarbon-MWCNT-nanocomposite films as electrodes in a symmetrical supercapacitor device is investigated. In all cases, long-term charge–discharge stability is demonstrated.

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Acknowledgments

Financial support of this work is provided by the European Commission, Interreg IVA, Southern Denmark-Schleswig-K.E.R.N., Project #111-1.2-12. Thanks are due to Matthias Dietze (IMST) for SEM micrographs of porous PVDF and to Kevin R. Moonoosawmy for discussions.

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Authors and Affiliations

  1. Institute for Materials and Surface Technology, University of Applied Sciences, Kiel, Germany

    Dimitri Schopf & Mohammed Es-Souni

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  1. Dimitri Schopf
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  2. Mohammed Es-Souni
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Correspondence to Mohammed Es-Souni.

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Schopf, D., Es-Souni, M. Supported porous carbon and carbon–CNT nanocomposites for supercapacitor applications. Appl. Phys. A 122, 203 (2016). https://doi.org/10.1007/s00339-016-9730-6

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  • DOI: https://doi.org/10.1007/s00339-016-9730-6

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