We report both a facile, scalable method to prepare reduced graphene oxide hydrogels through the electrodeposition of graphene oxide and its use as an electrode for high-performance supercapacitors. Such systems exhibited specific capacitances of 147 and 223 F gā1 at a current density of 10 A gā1 when using H2SO4 and H2SO4 + hydroquinone redox electrolytes, respectively.
V. H. Pham, T. Gebre and J. H. Dickerson, Nanoscale, 2015, 7, 5947 DOI: 10.1039/C4NR07508K
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