Evaluation of temperature-dependent thermoelectric performances based on PbTe1−yIy and PbTe: Na/Ag2Te materials

Shanhe Su, Tie Liu, Junyi Wang and Jincan Chen

Energy, 2014, vol. 70, issue C, 79-85

Abstract: With the help of Domenicali's equation and the heat flux equation, a finite difference method is directly used to determine the temperature and heat flux distribution profiles in one dimension of a thermoelectric generator simultaneously including the Peltier, Fourier, Joule, and Thomson effects. This calculative method is also used to evaluate the performance of a thermoelectric generator, based on experimental data of thermoelectric materials PbTe1−yIy and PbTe: Na/Ag2Te. The efficiency of the thermoelectric generator as a function of the electric current is calculated and the effects of structure parameters on the performance of the thermoelectric generator are revealed. The method proposed here offers a simple way to properly choose n-type and p-type thermoelectric materials of a thermoelectric generator.

Keywords: Thermoelectric device; Temperature-dependent material; Domenicali's equation; Finite difference method; Structure parameter design (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:70:y:2014:i:c:p:79-85

DOI: 10.1016/j.energy.2014.03.090

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