Investigation of an Electrochemical Method for Separation of Copper, Indium, and Gallium from Pretreated CIGS Solar Cell Waste Materials

Figure 1

Voltammogram for 0.05 M (a) copper(II), (b) indium(III), and (c) gallium(III) in an electrolyte of 1 M HCl (d). The solutions were analyzed using a scan rate of 100 mV/s.

(a)

(b)

(c)

(d)