fuel cell
/ˈfjuː(ə)l sɛl/ · fuel cell
noun
- An electrochemical device in which the intrinsic chemical free energy of fuel and oxidant is catalytically converted to direct current energy. The new fuel cell technology has the potential to revolutionize the way we power our homes and cars.
- A fuel storage tank. The fuel cell on the aircraft was designed to hold enough fuel for a long-distance flight.
Did you know? Fuel cells were first used in the early 20th century to power submarines, and have since been used in a variety of applications, including spacecraft and electric vehicles.