Graphene-based ordered mesoporous carbon hybrids with large surface areas for supercapacitors
NEW JOURNAL OF CHEMISTRY(2018)
Abstract
Ordered mesoporous carbon/graphene hybrids (OMCGs) with large specific surface areas (1795 m(2) g(-1)) have been firstly synthesized by the direct self-assembly of soluble phenolic resin, an F127 triblock copolymer and tetraethyl orthosilicate (TEOS) on the surface of graphene oxide. The resulting OMCG electrode shows an advanced specific capacity of 330 F g(-1), a high energy density of 38.1-32.3 W h kg(-1) and a power density of 6.1-61.1 kW kg(-1), and long cycle life.
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Key words
mesoporous carbon hybrids,supercapacitors,graphene-based
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