Preparation Method of Co₃O₄ Nanoparticles Using Degreasing Cotton and Their Electrochemical Performances in Supercapacitors

Figure 7

(a) Cyclic voltammograms (CV) behavior of samples obtained at different temperatures and (b) cyclic voltammograms (CV) behavior of Co-600 in 6 M KOH electrolyte at various scan rates.

(a)

(b)