An updated edition of the gold standard in research-oriented fuel cell/hydrogen resources In the newly revised fourth edition of Fuel Cell and Electrolyzer Fundamentals, a team of distinguished researchers delivers an up-to-date and authoritative new discussion of fuel cell technologies. It remains packed with extensive example problems, dialogue boxes, end-of-chapter takeaways, and homework exercises. The latest edition contains brand-new content on electrolysis and electrosynthesis, designed to provide a timeless, foundational introduction to the fundamentals underlying electrolyzer technology, combined with examples of the latest advances in research and application from around the globe. It's a comprehensive review of the fundamentals of fuel cells and electrolyzers, covering electrochemical thermodynamics and electrode reaction kinetics, as well as the properties of electrolytes and electrodes. Readers will also find: A thorough introduction to electrolysis and electrosynthesis Comprehensive explorations of the design of electrolysis systems Practical overviews of fuel cell systems and fuel processing subsystem design Complete treatments of the environmental impacts of fuel cells Perfect for students taking courses with a focus on renewable energy and renewable energy engineering, Fuel Cell and Electrolyzer Fundamentals will also benefit professionals working with fuel cells, electrolyzers, and hydrogen in a variety of contexts.