Research Article
Hierarchical N- and O-Doped Porous Carbon Composites for High-Performance Supercapacitors
Figure 6
(a) CV curves of KCP-800 at various scan rates. (b) The dependence of the discharge current at −0.5 V on scan rate. (c) Galvanostatic charge/discharge profiles at various charge-discharge current densities from 0.5 to 12.5 A·g−1. (d) Capacitive retention of KCP-800 at a current density of 3 A·g−1 over 10000 cycles in 6 M KOH electrolyte.
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