The electrolyte is a paste of KOH and ZnO The
electrode reactions for the cell are given below:
Anode:
Zn(Hg) + 2OH– ¾® ZnO(s) + H2O + 2e–
Cathode:
HgO + H2O + 2e– ¾® Hg(l) + 2OH–
2 6 Batteries
2 6 Batteries
2