Batteries, Fuel Cells and Electrolysis

This lecture explores the operation of a phosphoric acid fuel cell, highlighting its similarities with lead sulfuric acid batteries. The system uses platinum catalysts to facilitate the reactions of hydrogen oxidation and reduction with oxygen, ultimately producing water. The lecture delves into the importance of temperature in enhancing ionic conduction and electrochemical reactions, emphasizing the need for efficient catalysts like hydrogen. It also discusses the design of large-scale fuel cell systems for electricity generation and heat co-generation, showcasing the stacking of cells in series to increase voltage output.