Nature's Batteries-Just Add Water

摘要

Imagine the Energizer Bunny living at the bottom of the sea. Instead of running on batteries, it keeps going, going, going because of energy harvested from the marine environment. This concept is under development as an alternative to using man-made batteries, which need to be replaced, to run oceano-graphic sensors. "Our goal is to harvest energy from the marine environment to operate [them]," says Lenny Tender, a research chemist at the Naval Research Laboratory (NRL) in Washington, D.C.