Solvothermal Synthesis of Mn₃O₄ Nanoparticle/Graphene Sheet Composites and Their Supercapacitive Properties

Figure 7

(a) CV curves and (b) GCD curves of GM composites prepared with Mn²⁺/GO mass percent of 10 : 90 and 5 : 95, (c) CV curve of GS, (d) specific capacitance of GS and GM composites prepared with Mn²⁺/GO mass percent of 10 : 90 and 5 : 95 versus cycle number at 0.1 A/g, and (e) specific capacitance of GM composite prepared with Mn²⁺/GO mass percent of 10 : 90 versus cycle number at 0.5 A/g. The inset is the charge/discharge curves.

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(b)

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(e)