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2008
Conference Paper
Titel

New high density micro structured thermogenerators for stand alone sensor systems

Abstract
Thermoelectric thin film micro-devices with high packing densities of thermoelectric legs are of high demand in micro-systems for self-standing and so called waste energy self-powered sensor systems for wireless data transfer. One technical solution for such micro-devices is offered by the Micropelt technology. The recent development status of the Micropelt micro thermogenerators will be presented. The Micropelt platform technology now allows devices with up to ~8000 p-n-couples per cm2. Open circuit voltages achieved so far were about 2.3 V at 10 K temperature difference. Maximum power output was measured to be 2.8 mW. Thus they are suited as power supplies for harvesting energy in stand alone sensor systems for wireless data transmission. An evaluation setup to perform first level tests for the efficiency of harvesting waste energy using the microstructured thermogenerators will be presented.
Author(s)
Böttner, H.
Nurnus, J.
Schubert, A.
Volkert, F.
Hauptwerk
ICT 2007, XXVI International Conference on Thermoelectrics. Proceedings
Konferenz
International Conference on Thermoelectrics (ICT) 2007
Thumbnail Image
DOI
10.1109/ICT.2007.4569484
Language
English
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Fraunhofer-Institut fĂĽr Physikalische Messtechnik IPM
Tags
  • thermoelectric

  • energy harvesting

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