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Hundred-Watt Implantable TEG Module for Large-Scale Exhaust Gas Waste Heat Recovery

Author

Listed:
  • Zhien Gu

    (Zhejiang Zheneng Zhenhai Gas Cogeneration Co., Ltd., Ningbo 315208, China)

  • Shi He

    (Zhejiang Zheneng Zhenhai Gas Cogeneration Co., Ltd., Ningbo 315208, China)

  • Xiang Li

    (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)

  • Haoyang Hu

    (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)

  • Jun Jiang

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

Abstract

In this study, we have designed and developed an implantable thermoelectric generator (TEG) module tailored for large-scale flue gas waste heat recovery. We also have established a test stand to simulate diverse operational conditions, and systematically examined the influence of different operating conditions, including flue gas temperature, flue gas velocity, and cooling water temperature, on the electrical performance of the TEG module. When the flue gas temperature is 139 °C, the flue gas flow rate is 3.4 m/s, and the cooling water temperature is 20 °C, the TEG module operates at its peak performance. It achieves an open-circuit voltage of 856.3 V and an output power of 150.58 W. Furthermore, the TEG module demonstrates a notable power generation capacity of 3.86 kW/m 3 and a waste heat recovery capacity of 135.85 kW/m 3 . The results prove the TEG module as an effective solution for large-scale flue gas waste heat recovery in industrial settings, contributing to sustainable energy practices. This study supports the application of thermoelectric power generation in the industrial sector, offering significant potential for advancements in energy efficiency.

Suggested Citation

  • Zhien Gu & Shi He & Xiang Li & Peng Sun & Jiehua Wu & Haoyang Hu & Qiang Zhang & Jun Jiang, 2024. "Hundred-Watt Implantable TEG Module for Large-Scale Exhaust Gas Waste Heat Recovery," Energies, MDPI, vol. 17(3), pages 1-10, January.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:3:p:665-:d:1329806
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    References listed on IDEAS

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    3. Weng, Chien-Chou & Huang, Mei-Jiau, 2014. "A study of using a thermoelectric generator to harvest energy from a table lamp," Energy, Elsevier, vol. 76(C), pages 788-798.
    4. Lee, Chang-Eon & Yu, Byeonghun & Lee, Seungro, 2015. "An analysis of the thermodynamic efficiency for exhaust gas recirculation-condensed water recirculation-waste heat recovery condensing boilers (EGR-CWR-WHR CB)," Energy, Elsevier, vol. 86(C), pages 267-275.
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