Polyimide/PDMS flexible thermoelectric generator for ambient assisted living applications

L. Francioso; C. De Pascali; I. Farella; C. Martucci; P. Cretì; P. Siciliano

doi:10.1117/12.887836

5 May 2011 Polyimide/PDMS flexible thermoelectric generator for ambient assisted living applications

L. Francioso, C. De Pascali, I. Farella, C. Martucci, P. Cretì, P. Siciliano

Proceedings Volume 8066, Smart Sensors, Actuators, and MEMS V; 80662H (2011) https://doi.org/10.1117/12.887836
Event: SPIE Microtechnologies, 2011, Prague, Czech Republic

Abstract

Present work proposed design, finite element tools simulation and prototype fabrication of a low cost energy autonomous, maintenance free, flexible and wearable micro thermoelectric generator (μTEG), finalized to power very low consumption electronics Ambient Assisted Living (AAL) applications. The prototype, integrating an array of 100 thin films thermocouples of Sb₂Te₃ and Bi₂Te₃, generates, at 40 °C, an open circuit output voltage of 430 mV and an electrical output power up to 32 nW with matched load. In real operation conditions of prototype, which are believed to be very close to a thermal gradient of 15°C, the device generates an open circuit output voltage of about 160 mV, with an electrical output power up to 4.18 nW. In this work we proposed design, thermal simulation and fabrication of a preliminary flexible and wearable micro thermoelectric generator (μTEG), finalized to power very low consumption electronics for Ambient Assisted Living (AAL) applications. Presented simulations show the performances of different fabrication solution for the PDMS/Kapton packages, considering flat and sloped walls approach for thermal gradient enhancement.

Citation Download Citation

L. Francioso, C. De Pascali, I. Farella, C. Martucci, P. Cretì, and P. Siciliano "Polyimide/PDMS flexible thermoelectric generator for ambient assisted living applications", Proc. SPIE 8066, Smart Sensors, Actuators, and MEMS V, 80662H (5 May 2011); https://doi.org/10.1117/12.887836

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