Optimizing TE (thermoelectric) materials and modules are important factors, which can lead to widespread adoption of waste heat recovery systems. The analytic co-optimization of the TE leg, heat sink, and the load resistance shows that all parameters entering the Z (figure-of-merit) do not have the same impact on cost/performance trade-off. Thermal conductivity of the TE material plays a more important role than the power factor. This study also explores the impact of heat losses and the required contact resistances. Finally, the authors present the theoretical cost performance (dollar/W) of TE waste heat recovery systems for vehicle waste heat recovery application, assuming hot side gas temperature of 600 °C and a cooling water temperature of 60 °C.
Cost-effective waste heat recovery using thermoelectric systems
Journal of Materials Research ; 27 , 9 ; 1211-1217
2012
7 Seiten, 10 Bilder, 18 Quellen
Aufsatz (Zeitschrift)
Englisch
thermoelektrische EDU , Abwärmeverwertung , Abgasenergienutzung , Fahrzeug , Kostensenkung , Optimierungsmodell , analytisches Modell , Schaubild , Kostenoptimierung , Wärmestromdichte , Wärmeleitfähigkeit , Seebeck-Effekt , Leistungswert , Preis-Leistungs-Verhältnis , Leistungsfaktor , thermischer Widerstand
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