Galvanic vs Electrolytic cells (Chemistry) Education Community › Physical Sciences › Grade 11 & 12 Physical Sciences › Galvanic vs Electrolytic cells (Chemistry) This topic contains 1 reply, has 2 voices, and was last updated by Yaaseen Mahomed 2 months ago. Author Posts November 18, 2018 at 12:03 PM #659 Nkosinathi MqedlanaParticipant Beginner Colearner What is the main difference between these two, if asked (for about two marks)? November 18, 2018 at 1:21 PM #666 Yaaseen MahomedKeymaster Galvanic: converts chemical energy to electrical energy (spontaneous reactions –> positive Eo cell value). Electrolytic: converts electrical energy to chemical energy (non-spontaneous reactions –> negative Eo cell value). Author Posts You must be logged in to reply to this topic.