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Optimum energy conversion strategies of a nano-scaled three-terminal quantum dot thermoelectric device

Author

Listed:
  • Zhang, Yanchao
  • Huang, Chuankun
  • Wang, Junyi
  • Lin, Guoxing
  • Chen, Jincan

Abstract

A model of the three-terminal nano-scaled energy conversion system as a heat engine based on two capacitively coupled quantum dots in the Coulomb-blockade regime is established within four quantum states that include the essential physical features. The dynamical properties of the model are calculated by master equation approach account for the quantitative behavior of such a system. Expressions for the power output and efficiency of the three-terminal quantum dot heat engine are derived. The characteristic curves between the power output and the efficiency are plotted. Moreover, the optimal values of main performance parameters are determined by the numerical calculation. The influence of dissipative tunnel processes on the optimal performance is discussed in detail. The results obtained here can provide some theoretical guidelines for the design and operation of practical three-terminal quantum dot heat engines.

Suggested Citation

  • Zhang, Yanchao & Huang, Chuankun & Wang, Junyi & Lin, Guoxing & Chen, Jincan, 2015. "Optimum energy conversion strategies of a nano-scaled three-terminal quantum dot thermoelectric device," Energy, Elsevier, vol. 85(C), pages 200-207.
    • Handle: RePEc:eee:energy:v:85:y:2015:i:c:p:200-207
    DOI: 10.1016/j.energy.2015.03.087
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    References listed on IDEAS

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    1. Su, Shanhe & Guo, Juncheng & Su, Guozhen & Chen, Jincan, 2012. "Performance optimum analysis and load matching of an energy selective electron heat engine," Energy, Elsevier, vol. 44(1), pages 570-575.
    2. Şişman, Altuǧ & Yavuz, Hasbi̇, 1995. "The effect of joule losses on the total efficiency of a thermoelectric power cycle," Energy, Elsevier, vol. 20(6), pages 573-576.
    3. Meng, Fankai & Chen, Lingen & Sun, Fengrui, 2011. "A numerical model and comparative investigation of a thermoelectric generator with multi-irreversibilities," Energy, Elsevier, vol. 36(5), pages 3513-3522.
    4. Chen, Lingen & Ding, Zemin & Sun, Fengrui, 2011. "Model of a total momentum filtered energy selective electron heat pump affected by heat leakage and its performance characteristics," Energy, Elsevier, vol. 36(7), pages 4011-4018.
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    Cited by:

    1. Su, Guozhen & Zhang, Yanchao & Cai, Ling & Su, Shanhe & Chen, Jincan, 2015. "Conceptual design and simulation investigation of an electronic cooling device powered by hot electrons," Energy, Elsevier, vol. 90(P2), pages 1842-1847.
    2. Zhang, Yanchao & Wang, Yuan & Huang, Chuankun & Lin, Guoxing & Chen, Jincan, 2016. "Thermoelectric performance and optimization of three-terminal quantum dot nano-devices," Energy, Elsevier, vol. 95(C), pages 593-601.
    3. Su, Guozhen & Liao, Tianjun & Chen, Liwei & Chen, Jincan, 2016. "Performance evaluation and optimum design of a new-type electronic cooling device," Energy, Elsevier, vol. 101(C), pages 421-426.
    4. Tingzhen Ming & Qiankun Wang & Keyuan Peng & Zhe Cai & Wei Yang & Yongjia Wu & Tingrui Gong, 2015. "The Influence of Non-Uniform High Heat Flux on Thermal Stress of Thermoelectric Power Generator," Energies, MDPI, vol. 8(11), pages 1-19, November.

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