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

Figure 11

Electrochemical separation of indium from a solution prepared by dissolving prechlorinated CIGS waste material in 1 M HCl (Solution 3). (a) The metal concentration in the solution relative to the original concentration as a function of time. (b) The current passed though the circuit as a function of time.

(a)

(b)