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01-02-2025

Current and voltage characteristics of a thermoelectric couple

Author: Tinggang Zhang

Published in: Journal of Computational Electronics | Issue 1/2025

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Abstract

Formulations to determine the electric field and the electrostatic potentials in a thermoelectric couple through solving the Poisson’s equation are introduced in this work. Analytical approximations of the auxiliary energies introduced in the author’s earlier work in the relaxation time approximation of the Boltzmann transport equation are developed based on the coupled equations of heat and electric current. These auxiliary energies are used in the Poisson’s equation at each temperature node along the thermoelectric leg to obtain a set of algebraic equations with the electric field and the electrostatic potentials as unknowns. The algebraic equations are then solved using the derived algorithm and the boundary conditions determined by the continuity and the carrier concentration equations.

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Metadata
Title
Current and voltage characteristics of a thermoelectric couple
Author
Tinggang Zhang
Publication date
01-02-2025
Publisher
Springer US
Published in
Journal of Computational Electronics / Issue 1/2025
Print ISSN: 1569-8025
Electronic ISSN: 1572-8137
DOI
https://doi.org/10.1007/s10825-024-02267-1