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Proceedings 2018, 2(13), 779; https://doi.org/10.3390/proceedings2130779

A Thin-Film Thermoelectric Generator for Large-Area Applications

1
VTT Technical Research Centre Finland Ltd., FI-33101 Tampere, Finland
2
VTT Technical Research Centre Finland Ltd., FI-02044 Espoo, Finland
Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018.
*
Author to whom correspondence should be addressed.
Published: 10 December 2018
PDF [575 KB, uploaded 10 December 2018]

Abstract

A thin-film thermoelectric generator (TEG) applying a novel folded design where both the heat flux and current flow are in the plane of the thin-film is presented. The performance of the first fabricated devices is demonstrated and the results compared with the computational ones. The produced power is analyzed against the power requirements of a wireless sensor node and it is shown that a thermoelectric module of the area of <1 m2 consisting of the novel TEG units is able to power a wireless sensor node of various sensors applicable e.g., to environmental monitoring of a building. The integration of energy-autonomous sensors for multifunctional smart windows providing the required temperature gradient is anticipated.
Keywords: thin film; thermoelectric generator; energy harvesting; large-area TEG; aluminum- doped zinc oxide (AZO); in-plane heat transfer; finite element method thin film; thermoelectric generator; energy harvesting; large-area TEG; aluminum- doped zinc oxide (AZO); in-plane heat transfer; finite element method
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Tappura, K.; Jaakkola, K. A Thin-Film Thermoelectric Generator for Large-Area Applications. Proceedings 2018, 2, 779.

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