Preparation of Al-Mg Alloy Electrodes by Using Powder Metallurgy and Their Application for Hydrogen Production

Figure 5

The Nyquist curves and polarization impedance chart at different electrolytes: (a) 10 wt%, (b) 20 wt%, (c) 30 wt%, and (d) polarization impedances.

(a)

(b)

(c)

(d)