Battery-free sensor powers up wirelessly via local circuitry radiation
Reported byNew Atlas ↗·Sourced by Goodlede
Researchers at the University of Arkansas and University of Michigan have developed a graphene-based energy harvester that captures electricity from ambient radiation in electrical wiring and powers a wireless temperature sensor without a battery, using electromagnetic induction from the 60 Hz alternating current in US power cables.
Demonstrated in a laboratory system with a temperature sensor; real-world deployment and scaling remain to be explored.
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