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Power Generation Evaluated on a Bismuth Telluride Unicouple Module

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Abstract

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.

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Acknowledgements

We would like to thank the Ministry of Economy, Trade, and Industry, government of Japan, for funding support under the framework of the international cooperation project for research and standardization of Clean Energy Technologies (DEA303 510D1B1).

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Authors and Affiliations

  1. Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki, 305-8568, Japan

    Xiaokai Hu, Kazuo Nagase, Priyanka Jood, Michihiro Ohta & Atsushi Yamamoto

Authors
  1. Xiaokai Hu
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  2. Kazuo Nagase
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  3. Priyanka Jood
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  4. Michihiro Ohta
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  5. Atsushi Yamamoto
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Correspondence to Atsushi Yamamoto.

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Hu, X., Nagase, K., Jood, P. et al. Power Generation Evaluated on a Bismuth Telluride Unicouple Module. J. Electron. Mater. 44, 1785–1790 (2015). https://doi.org/10.1007/s11664-014-3556-9

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  • DOI: https://doi.org/10.1007/s11664-014-3556-9

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