Swiss Federal Laboratories for Materials Testin and Research

Wangen, Switzerland

Swiss Federal Laboratories for Materials Testin and Research

Wangen, Switzerland

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Populoh S.,Swiss Federal Laboratories for Materials Testin and Research | Trottmann M.,Swiss Federal Laboratories for Materials Testin and Research | Brunko O.C.,Swiss Federal Laboratories for Materials Testin and Research | Thiel P.,Swiss Federal Laboratories for Materials Testin and Research | Weidenkaff A.,Swiss Federal Laboratories for Materials Testin and Research
Functional Materials Letters | Year: 2013

A dedicated test stand was developed and built to characterize the efficiency, power output and open circuit voltage of various thermoelectric generators (TEGs) based on tellurides, heusler compounds and thermoelectric oxides. The test stand allows measurements of TEGs of sizes up to 4 cm × 4 cm at hot side temperatures up to 1150 K in different atmospheres. Special care was taken about the heat flux measurement by precise measurement of the temperature distribution within the reference block. In order to demonstrate the functionality of the test stand thermoelectric oxide modules (TOM) were built from n-type perovskite-type manganates and p-type cuprates. The modules were tested regarding their stability, maximum power output and efficiency at temperatures up to 1100 K. The TOMs withstand large temperature gradients and operated in ambient air yielding high power densities. © World Scientific Publishing Company.

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