Geometry Optimization of Thermoelectric Modules: Deviation of Optimum Power Output and Conversion Efficiency

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Wolf, M.; Rybakov, A.; Hinterding, R.; Feldhoff, A.: Geometry Optimization of Thermoelectric Modules: Deviation of Optimum Power Output and Conversion Efficiency. In: Entropy 22 (2020), Nr. 11, 1233. DOI: https://doi.org/10.3390/e22111233

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Sum total of downloads: 107




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Abstract: 
Besides the material research in the field of thermoelectrics, the way from a material to a functional thermoelectric (TE) module comes alongside additional challenges. Thus, comprehension and optimization of the properties and the design of a TE module are important tasks. In this work, different geometry optimization strategies to reach maximum power output or maximum conversion efficiency are applied and the resulting performances of various modules and respective materials are analyzed. A Bi2Te3-based module, a half-Heusler-based module, and an oxide-based module are characterized via FEM simulations. By this, a deviation of optimum power output and optimum conversion efficiency in dependence of the diversity of thermoelectric materials is found. Additionally, for all modules, the respective fluxes of entropy and charge as well as the corresponding fluxes of thermal and electrical energy within the thermolegs are shown. The full understanding and enhancement of the performance of a TE module may be further improved
License of this version: CC BY 4.0 Unported
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2020
Appears in Collections:Naturwissenschaftliche Fakultät

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pos. country downloads
total perc.
1 image of flag of Germany Germany 80 74.77%
2 image of flag of United States United States 17 15.89%
3 image of flag of China China 8 7.48%
4 image of flag of Vietnam Vietnam 1 0.93%
5 image of flag of Taiwan Taiwan 1 0.93%

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