Thermoelectric Physical Model with Thomson Effect and Experiment Comparison

Fu Qiang Cheng; Yan Ji Hong; Chao Zhu

doi:10.4028/www.scientific.net/AMM.437.1077

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 437Thermoelectric Physical Model with Thomson Effect...

Thermoelectric Physical Model with Thomson Effect and Experiment Comparison

Abstract:

Output performance prediction of thermoelectric generators (TEG) is a valuable work for TEG structure optimization (i.e. shape of thermocouple and other electrical or thermal conducting components) and material selection. Considering the basic thermoelectric effects, as well as the thermal resistances between the thermocouple and the heat source, heat sink, this paper describe a physical model with Thomson effect for a simplified thermoelectric module. A new method to solve the temperature of the thermocouple hot and cold conjunctions which directly affect the voltage, current and output power, is proposed. And an experiment test of a commercial Bi₂Te₃ thermoelectric module is undertaken to testify the physical model and the solution method. The study shows that the calculation results are in good accordance with the experiment data, which prove the accuracy of the physical model and the solution method. This paper can provide a novel analytical method for TEG performance prediction.

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Periodical:

Applied Mechanics and Materials (Volume 437)

Pages:

1077-1080

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.437.1077

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Online since:

October 2013

Authors:

Fu Qiang Cheng, Yan Ji Hong*, Chao Zhu

Keywords:

Energy Efficiency, Output Power, Thermoelectric, Thermoelectric Effects, Thermoelectric-Coupling Model

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* - Corresponding Author

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