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Nanostructured manganese dioxide (MnO2)/reduced graphene oxide (RGO) composite is fabricated via a simple hydrothermal process. The MnO2/RGO composite is used to construct supercapacitors as electrodes with high loading mass of active materials. The electrochemical properties of constructed supercapacitors are tested by cyclic voltammetry, galvanostatic charge–discharge and electrochemical impedance...
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