Award-winning energy harvester brings practical applications closer

(PhysOrg.com) -- Although the idea of harvesting ambient energy from the environment and using it to generate electricity is alluring, most of the technology so far is capable of generating only very small amounts of power - on the order of microwatts to a few milliwatts with very low conversion efficiency. But a new piezoelectric energy-harvesting transducer shows that the technology is significantly improving. Researchers have predicted that 1-3 watts can be generated from a person walking when wearing a pair of shoes integrated with the new energy harvester, which is enough to power a soldier’s portable communication devices on the battlefield, among other applications.

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