Hierarchical N- and O-Doped Porous Carbon Composites for High-Performance Supercapacitors

Figure 2

(a) Low resolution of SEM for KCP-900. (b–d) Low resolution of SEM for KCP-800. (e, f) High resolution of TEM for KCP-800.

(a)

(b)

(c)

(d)

(e)

(f)