Georgia Tech researchers have developed an energy-harvesting device that can collect power from various sources including radio and television transmitters, cell phone networks and satellite communications systems.
“We are using an ultra-wideband antenna that lets us exploit a variety of signals in different frequency ranges, giving us greatly increased power-gathering capability,” explains Manos Tentzeris of Georgia Tech’s School of Electrical and Computer Engineering.
The device has the ability to capture energy from a range of banks, convert the energy from AC to DC power, and then subsequently store it in capacitors and batteries.
The team hopes that the device could provide a new means of powering networks of wireless sensors, microprocessors and communications chips.
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