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Fuel Cell

A device that generates electricity by combining hydrogen and oxygen, producing water as a by-product. Fuel cells powered the Apollo and Space Shuttle missions, useful for short crewed flights needing high power.

Part of Electrical Power

Knowledge connections

Sources

The primary and reference sources this topic draws on.

  • NASANational Aeronautics and Space Administration

    Mission data, planetary science, space telescopes, and public-domain imagery.

    Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.