Book excerpt: Fuel Cells is a concise, up-to-date and accessible guide to the evolution of the use of electrochemistry to generate power. The author provides a comprehensive exploration of the history of fuel cells, the environmental concerns which came into prominence in the 1980s and the economic factors associated with this method of power generation. Examples discussed include Alkaline Fuel Cells, Phosphoric Acid Fuel Cells, Molton Carbonate Fuel Cells and Solid Oxide Fuel Cells, making this a valuable and insightful read for those in the power generation market and those in electrochemistry, such as engineers, managers and academics. - Explores multiple variations of fuel cell technology and evaluates their cost and application - Provides detailed historical context, beginning in 1839 with the development of electrolysis - Discusses the most up-to-date advancements and methods of fuel cell technology today