Module 6

Lesson 2  Electrolytic Cells



Introduction


In an electrolytic cell, an external power source is used to force a non-spontaneous reaction. This process is known as electrolysis. Although they are not used as a power source, electrolytic cells are useful in the production of substances, particularly the elements.


Fig. 1  Historic electrosilvering


Fig. 2  Historic device for electrosilvering