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Issue 28, 2012
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Cetyltrimethylammonium bromide intercalated graphene/polypyrrole nanowire composites for high performance supercapacitor electrode

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Abstract

Polypyrrole (PPy) nanowires were prepared by in situ polymerization of pyrrole in the presence of cetyltrimethylammonium bromide stabilized graphene (GCR). PPy nanowire/GCR composites with different loading ratios were tested as supercapacitor electrode materials in both 1 M H2SO4 (aq) and 1 M KCl (aq) electrolytes, and different electrochemical behaviors were observed. The incorporation of GCR nanosheets into the PPy nanowire matrix obviously improved the electrochemical performance of PPy and a high specific capacitance of 492 F g−1 can be obtained for PPyGCR91 in 1 M H2SO4 at a current density of 0.2 A g−1 with good cycling stability.

Graphical abstract: Cetyltrimethylammonium bromide intercalated graphene/polypyrrole nanowire composites for high performance supercapacitor electrode

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Publication details

The article was received on 30 Jul 2012, accepted on 05 Sep 2012 and first published on 06 Sep 2012


Article type: Paper
DOI: 10.1039/C2RA21617E
RSC Adv., 2012,2, 10610-10617

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    Cetyltrimethylammonium bromide intercalated graphene/polypyrrole nanowire composites for high performance supercapacitor electrode

    L. Mao, H. S. O. Chan and J. Wu, RSC Adv., 2012, 2, 10610
    DOI: 10.1039/C2RA21617E

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