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17 bytes removed ,  16:31, April 8, 2007
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A type of [[electrochemical cell]] where [[hydrogen]] and oxygen combine to make water and energy.  Scientists discovered fuel cells in the early 1900s, and they will be important in establishing the [[hydrogen economy]].
 
A type of [[electrochemical cell]] where [[hydrogen]] and oxygen combine to make water and energy.  Scientists discovered fuel cells in the early 1900s, and they will be important in establishing the [[hydrogen economy]].
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[[Category: hydrogen economy: gasses]]
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[[Category: ecology]]
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