Electrolytic cell and Primary cell

Electrolytic cell noun - A cell containing an electrolyte in which an applied voltage causes a reaction to occur that would not occur otherwise (such as the breakdown of water into hydrogen and oxygen).

Primary cell is an antonym for electrolytic cell.

Primary cell noun - An electric cell that generates an electromotive force by an irreversible conversion of chemical to electrical energy; cannot be recharged.

Electrolytic cell is an antonym for primary cell.