GRAPHENE ENERGY HARVESTING CHIPS CLOSER TO AVAILABILITY

Nanotechnology company NTS Innovations says it has achieved a major milestone in its development of a graphene energy harvesting (GEH) clean energy source that can operate in any environment.

GEH is the act of harvesting energy at the nanoscale level from the naturally occurring oscillations in graphene. Freestanding graphene converts ambient energy into mechanical energy in the form of ripple fluctuations, much like waves on the ocean, says the company. Now, in partnership with the University of Arkansas, the company says it has completed the development of its energy harvesting circuit on a silicon wafer.

GEH is a nanoscale device on a semiconductor wafer,” says Preston Carter, Chief Technology Officer at NTS Innovations. “The technology itself varies slightly with temperature but is otherwise robust in all environments. GEH can generate power in outer space and aerospace environments, GEH will work anywhere on Earth, and will continue to work deep in the ocean. The only environmental limitations to GEH will be the packaging used to contain it.

With the development of an energy harvesting circuit complete, the company says it is now moving on to prototypes and optimization for commercial applications. GEH chips are made with common semiconductor manufacturing techniques, making them cost-effective, scalable, and easy to mass produce. The first generation GEH chip is targeted for 10 mW (milliwatts) with a chip size of 12 x 12 x 3 mm.

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