How long has hydrogen power been around?
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In 1839, the first fuel cell was conceived by Sir William Robert Grove, a Welsh judge, inventor, and physicist. He mixed hydrogen and oxygen in the presence of an electrolyte and produced electricity and water. The invention, which later became known as a fuel cell, didn't produce enough electricity to be useful
The National Aeronautics and Space Administration (NASA) began using liquid hydrogen in the 1950s as a rocket fuel, and NASA was one of the first to use hydrogen fuel cells to power the electrical systems on spacecraft.
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1959 Francis T. Bacon of Cambridge University in England built the first practical hydrogen-air fuel cell. The 5-kilowatt (kW) system powered a welding machine.
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