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Issue 28, 2015
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Three-dimensional graphene nanosheets/carbon nanotube paper as flexible electrodes for electrochemical capacitors

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Abstract

In this paper, a flexible film electrode was prepared by depositing graphene nanosheets on carbon nanotube paper as a self-standing electrode for high-performance electrochemical capacitors. The composite film has a layered structure, where carbon nanotubes were efficiently intercalated in the layer of graphene nanosheets. The hierarchical structure of graphene nanosheet/carbon nanotube paper electrodes shows lower resistance to ions and electron transport. The unique electrodes exhibit high-rate capability and long-term cycling ability. A quasi-rectangular shape of CV curve can still be maintained even at a high scan rate of 10 V s−1. The capacitance decay was only 6.9% after 10 000 cycles at a current density of 6.4 mA cm−2.

Graphical abstract: Three-dimensional graphene nanosheets/carbon nanotube paper as flexible electrodes for electrochemical capacitors

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Publication details

The article was received on 28 Nov 2014, accepted on 11 Feb 2015 and first published on 11 Feb 2015


Article type: Paper
DOI: 10.1039/C4RA15407J
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RSC Adv., 2015,5, 22173-22177

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    Three-dimensional graphene nanosheets/carbon nanotube paper as flexible electrodes for electrochemical capacitors

    X. Yun, J. Wang, L. Shen, H. Dou and X. Zhang, RSC Adv., 2015, 5, 22173
    DOI: 10.1039/C4RA15407J

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