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Power Generation Evaluated on a Bismuth Telluride Unicouple Module

journal contribution
posted on 2023-02-07, 02:06 authored by Xiaokai HuXiaokai Hu, K Nagase, P Jood, M Ohta, A Yamamoto
The power generated by a thermoelectric unicouple module made of Bi2Te3 alloy was evaluated by use of a newly developed instrument. An electrical load was connected to the module, and the terminal voltage and output power of the module were obtained by altering electric current. Water flow was used to cool the cold side of the module and for heat flow measurement, by monitoring inlet and outlet temperatures. When the electric current was increased, heat flow was enhanced as a result of the Peltier effect and Joule heating. Voltage, power, heat flow, and efficiency as functions of current were determined for hot-side temperatures from 50 to 220°C. Maximum power output and peak conversion efficiency could thus be easily derived for each temperature.

History

Journal

Journal of Electronic Materials

Volume

44

Pagination

1785-1790

ISSN

0361-5235

eISSN

1543-186X

Language

en

Issue

6

Publisher

Springer Science and Business Media LLC