Dr. Lenny Tender, research chemist at the Naval Research Laboratory (NRL), has co-invented a microbial fuel cell that persistently generates electrical power in marine environments.The fuel cell draws electricity from the sea floor, creating an interface between the sediment on the bottom of a marine environment and the overlying water. The fuel cell is a maintenance free, non-depleting power supply suitable for a wide range of sensors presently powered by batteries.
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Credit: NRL Technology Transfer Office and Technical Information Services