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Measurement Error in Thermoelectric Generator Induced by Temperature Fluctuation

Author

Listed:
  • Yanan Li

    (Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo 315211, China
    Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

  • Hao Yang

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

  • Chuanbin Yu

    (College of Civil Science and Engineering, Yangzhou University, Yangzhou 225009, China)

  • Wenjie Zhou

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

  • Qiang Zhang

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

  • Haoyang Hu

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

  • Peng Sun

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

  • Jiehua Wu

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

  • Xiaojian Tan

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

  • Kun Song

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
    School of Mechanical and Power Engineering, Nanjing Tech University, Nanjing 211816, China)

  • Guoqiang Liu

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

  • Jun Jiang

    (Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China)

Abstract

The thermal-electric conversion efficiency is a crucial metric for evaluating the performance of a thermoelectric generator (TEG). However, accurate measurement of this efficiency remains a significant challenge due to various factors that impact heat flow measurements. We have observed that temperature fluctuations during temperature control are the primary factor contributing to measurement errors in heat flow under vacuum conditions. To address this issue, we have developed a time-dependent theoretical model for the thermal-electric coupling of a TEG measurement system based on Fourier’s theory of heat conduction. This model allows us to investigate the effects of both temperature fluctuation and structural parameters on the measurement error of TEG performance. Furthermore, we have proposed an error correction scheme for TEG performance based on our theoretical and experimental findings. These insights provide a theoretical framework and technical guidance for more precise measurements of TEG performance.

Suggested Citation

  • Yanan Li & Hao Yang & Chuanbin Yu & Wenjie Zhou & Qiang Zhang & Haoyang Hu & Peng Sun & Jiehua Wu & Xiaojian Tan & Kun Song & Guoqiang Liu & Jun Jiang, 2024. "Measurement Error in Thermoelectric Generator Induced by Temperature Fluctuation," Energies, MDPI, vol. 17(5), pages 1-11, February.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:5:p:1036-:d:1343955
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    References listed on IDEAS

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    1. Xu, Haowei & Zhang, Qiang & Yi, Longbing & Huang, Shaolin & Yang, Hao & Li, Yanan & Guo, Zhe & Hu, Haoyang & Sun, Peng & Tan, Xiaojian & Liu, Guo-qiang & Song, Kun & Jiang, Jun, 2022. "High performance of Bi2Te3-based thermoelectric generator owing to pressure in fabrication process," Applied Energy, Elsevier, vol. 326(C).
    2. Huang, Shaolin & Yang, Hao & Li, Yanan & Guo, Zhe & Zhang, Qiang & Cai, Jianfeng & Wu, Jiehua & Tan, Xiaojian & Liu, Guoqiang & Song, Kun & Jiang, Jun, 2023. "Optimizing GeTe-based thermoelectric generator for low-grade heat recovery," Applied Energy, Elsevier, vol. 349(C).
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