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The growing demand of wearable and low cost sensor devices, pushed the development of key enabling technologies able to transfer the well know materials on cheap substrates, keeping the capabilities of developed systems to integrate energy harvesting, sensing and communication functions. A flexible thermoelectric generator (TEG) with a fully electrical, low startup voltage and high efficiency DC-DC converter is presented in this paper. The proposed generator has been produced by screen printing technology on 80 microns thick common paper and thin Kapton foil and integrates about 280 thermocouples, for an output voltage of about 75 mV with 5 K of thermal gradient, useful for wearable-oriented applications. To increase the voltage provided by TEG, a DC-DC converter is designed. It operates with an input voltage (V in ) range from 40mV up to 400mV. By means the pulse width modulation (PWM), the DC …
Publication date: 
18 Jun 2015

Carlo Veri, Mirko Pasca, Stefano D'Amico, Luca Francioso, Chiara De Pascali, Pietro Siciliano

Biblio References: 
Pages: 141-145
2015 6th International Workshop on Advances in Sensors and Interfaces (IWASI)