Inkjet-Printed Thermoelectric Generators

Oct-12-17 Researchers have created non-toxic and flexible thermoelectric devices that could harvest body heat to power wearable devices.

Developed by a team from Georgia Tech, the proof-of-concept device generates its power though dots made from two types of semi-conducting polymers: n-type and p-type. The dots are printed very closely together with an inkjet printer, and are connected with a unique wiring pattern known as the Hilbert Figure. This pattern—which is key to the device’s success—allows the material to bend for maximum skin contact and makes it possible to cut the material to the desired size for the voltage needed.

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