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Open AccessProceedings

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
*
Author to whom correspondence should be addressed.
Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018.
Proceedings 2018, 2(13), 779; https://doi.org/10.3390/proceedings2130779
Published: 10 December 2018
(This article belongs to the Proceedings of EUROSENSORS 2018)
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
MDPI and ACS Style

Tappura, K.; Jaakkola, K. A Thin-Film Thermoelectric Generator for Large-Area Applications. Proceedings 2018, 2, 779.

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