Thermoelectric generator

Thermoelectric generator – thermally sprayed

Thermally sprayed thermoelectric generator
© Fraunhofer IWS Dresden
Thermally sprayed thermoelectric generator
Concept for a TEG, first approaches by AIST, Tsukuba, Japan, 2008
Concept for a TEG, first approaches by AIST, Tsukuba, Japan, 2008

State-of-the-art

  • sintering
  • Spark Plasma Sintering (SPS)
  • assembly


Advantage of thermal spraying

  • flexibility in shape and size
  • large designs
  • no assembly necessary
  • economically advantageous
  • non-toxic materials


Material requirements

  • high Seebeck coefficient
  • low thermal conductivity         
  • high electrical conductivity