Morphology and Electrochemical Characterization of Electrodeposited Nanocrystalline Ni-Co Electrodes for Methanol Fuel Cells

Figure 7

Potentiodynamic polarization curves for the nanocrystalline Ni-Co deposits in 1 M methyl alcohol acidic solution.

(a) 30 mA/cm²

(b) 50 mA/cm²

(c) 80 mA/cm²