Fuel Cells

This animation shows the process that goes on inside an individual fuel cell. The red Hs represent hydrogen molecules (H2) from a hydrogen storage tank. The orange H+ represents a hydrogen ion after its electron is removed. The yellow e- represents an electron moving through a circuit to do work (like lighting a light bulb or powering a car). The green Os represent an oxygen molecule (O2) from the air, and the blue drops at the end are for pure water--the only byproduct of hydrogen power. The animation has been reproduced with permission from Schatz Energy Research Center.

This site is maintained by the Electronics Engineering Department at Cape Fear Community College in Wilmington, North Carolina.