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Three-Terminal Thermionic Heat Engine Based on Semiconductor Heterostructures |
| Yun-Yun Yang , Shuai Xu , and Ji-Zhou He* |
| Department of Physics, Nanchang University, Nanchang 330031, China |
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| Cite this article: |
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Yun-Yun Yang , Shuai Xu , and Ji-Zhou He 2020 Chin. Phys. Lett. 37 120502 |
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Abstract We propose a model for three-terminal thermionic heat engines based on semiconductor heterostructures. According to electron transport theory, we drive the formulas for the charge current and energy current flowing from the electron reservoir and we then obtain the power output and efficiency in the linear and nonlinear regimes. Furthermore, we analyze the performance characteristic of the thermionic heat engine and get the maximum power output by optimizing the performance parameters. Finally, we optimize the thermodynamic performance of the thermionic heat engine by maximizing the product of the power output and efficiency.
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Received: 15 September 2020
Published: 08 December 2020
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| Fund: Supported by the National Natural Science Foundation of China (Grant No. 11875034). |
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