Functional Carbon Nanotube/Mesoporous Carbon/MnO₂ Hybrid Network for High-Performance Supercapacitors

Figure 4

(a) charge-discharge curves of CNT/MC and CNT/MC/MnO₂ hybrid networks at 1 A g⁻¹; (b) relationship of the specific capacitance with charge/discharge current density of CNT/MC/MnO₂ hybrid networks; (c) Ragone plots of CNT/MC/MnO₂-20; (d) variation of specific capacitance with cycle number at a current density of 1 A g⁻¹ of CNT/MC/MnO₂-20.

(a)

(b)

(c)

(d)