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A thermoelectric energy harvester directly embedded into casted aluminum

: Ibragimov, A.; Pleteit, H.; Pille, C.; Lang, W.


IEEE Electron Device Letters 33 (2012), Nr.2, S.233-235
ISSN: 0741-3106
ISSN: 0193-8576
Fraunhofer IFAM ()

A thermoelectric generator (TG) directly embedded in aluminum is described. The device has been realized using a new silicon thermocouple process with very high temperature stability. It is integrated by direct embedding in the liquid aluminum during casting. The TG generates up to 500 mu W of external electric power. The new technology also opens the path to a new generation of sensors and microsystems embedded in metals during primary shaping.