Fig. 7
From: Metal oxides carbon xerogel nanocomposite for methanol oxidation fuel cell

Chronoamperometric stability curves for Fe3O4/CX in 1.5 M methanol, MgO/CX in 1.25 M methanol and CuO/CX in 0.75 M methanol at room temperature at in 0.5 M Na2S2O8.