Fig. 5
From: Metal oxides carbon xerogel nanocomposite for methanol oxidation fuel cell
Cyclic voltametric of Fe3O4/CX at (a) low scan rate 5–20 mV/s, (b) high scan rate 30–50 mV/s in 1.5 M methanol and 0.5 M Na2S2O8 and (c) The capacitive currents (j).
