Figure 1
From: Ultrahigh capacitive performance from both Co(OH)2/graphene electrode and K3Fe(CN)6 electrolyte

Cyclic voltammograms at different scan rates (2, 5, 10, 25 and 50 mVs−1) for system: Co(OH)2/GNS electrode in 1 M KOH solution (a), platinum electrode in mixed 1 M KOH and 0.04 M K3Fe(CN)6 solution (b) and Co(OH)2/GNS electrode in mixed 1 M KOH and 0.04 M K3Fe(CN)6 solution (c).