This paper describes the development of a modeling tool used for design and analysis of the building blocks of thermoelectric generators (TEGs). The described model captures the performance of a thermoelectric couple at varying loads and temperatures. The model includes the effects of interfacial resistances and other thermal losses. Validation experiments have been conducted, and the results are discussed. Once validated, the model was then used to design a 10% efficient segmented TEG, which was then built and tested. With this effective design tool along with improving thermoelectric material performance, a 14% efficient TEG is within reach.
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