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Issue 89, 2015
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Mesoporous hollow carbons on graphene and their electrochemical properties

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Abstract

We report the formation of mesoporous hollow carbons with diameters of about 30–40 nm on a graphene (MHCG) surface formed using graphite, the surfactant Pluronic F-127, and porous silica on the graphene as a template to produce a sheet. The specific surface area of the sample produced is 1793.45 m2 g−1, which is hundreds of times larger than that of graphite (31.38 m2 g−1). When applied to supercapacitor electrodes, the MHCG electrode exhibits outstanding maintenance of energy density above 30 W h kg−1 even under 1 kW kg−1 power density, which is attributed to extremely fast electron supply through graphene layers and facile penetration of electrolyte through highly-developed mesopores.

Graphical abstract: Mesoporous hollow carbons on graphene and their electrochemical properties

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Publication details

The article was received on 08 Jun 2015, accepted on 24 Aug 2015 and first published on 27 Aug 2015


Article type: Paper
DOI: 10.1039/C5RA10852G
Citation: RSC Adv., 2015,5, 73119-73125
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    Mesoporous hollow carbons on graphene and their electrochemical properties

    G. H. Jeong, I. Lee, J.-G. Kang, H. Lee, S. Yoon and S.-W. Kim, RSC Adv., 2015, 5, 73119
    DOI: 10.1039/C5RA10852G

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