What is Hydrogen Fuel Cells, Applications & How It Works | 3M India
Solid-state alkaline fuel cells using an anion-exchange membrane have also seen experimentation. Water is formed at the anode, generating an electron flow in the load circuit. Alkaline fuel cells are the oldest type of hydrogen fuel cells. Invented in 1932, they were used by NASA in the Apollo missions from 1968 to 1972.
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