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Low-temperature sintering of Ag nanoparticles for high-performance thermoelectric module design

Author

Listed:
  • Li Yin

    (Harbin Institute of Technology)

  • Fan Yang

    (Harbin Institute of Technology
    Harbin Institute of Technology)

  • Xin Bao

    (Harbin Institute of Technology)

  • Wenhua Xue

    (Harbin Institute of Technology
    Chinese Academy of Sciences)

  • Zhipeng Du

    (Harbin Institute of Technology
    Harbin Institute of Technology)

  • Xinyu Wang

    (Harbin Institute of Technology)

  • Jinxuan Cheng

    (Harbin Institute of Technology)

  • Hongjun Ji

    (Harbin Institute of Technology
    Harbin Institute of Technology)

  • Jiehe Sui

    (Harbin Institute of Technology)

  • Xingjun Liu

    (Harbin Institute of Technology
    Harbin Institute of Technology)

  • Yumei Wang

    (Chinese Academy of Sciences)

  • Feng Cao

    (Harbin Institute of Technology)

  • Jun Mao

    (Harbin Institute of Technology
    Harbin Institute of Technology)

  • Mingyu Li

    (Harbin Institute of Technology
    Harbin Institute of Technology)

  • Zhifeng Ren

    (University of Houston)

  • Qian Zhang

    (Harbin Institute of Technology
    Harbin Institute of Technology)

Abstract

To facilitate the development of thermoelectric modules for various operating temperature ranges, a connection technology that is suitable for heat-sensitive thermoelectric materials and capable of realizing both low-temperature connections and high-temperature service is required. Here we use low-temperature sintering of silver nanoparticles as an approach to connect the electrode and metallization layer of low- (Bi2Te3-based), medium- (PbTe-based) and high-temperature (half-Heusler-based) thermoelectric modules. Owing to the low melting point of Ag nanoparticles and the high stability in the sintered bulk, the processing temperature of the module is decoupled from the operating temperature, avoiding welding thermal stress. We demonstrate a conversion efficiency of ~11% at the temperature difference of 550 K for the PbTe-based module. Additionally, the module’s performance remains nearly unchanged throughout thermal cycling between hot-side temperatures of 593 and 793 K for 50 cycles. Our work accelerates the development of advanced modules for thermoelectric power generation.

Suggested Citation

  • Li Yin & Fan Yang & Xin Bao & Wenhua Xue & Zhipeng Du & Xinyu Wang & Jinxuan Cheng & Hongjun Ji & Jiehe Sui & Xingjun Liu & Yumei Wang & Feng Cao & Jun Mao & Mingyu Li & Zhifeng Ren & Qian Zhang, 2023. "Low-temperature sintering of Ag nanoparticles for high-performance thermoelectric module design," Nature Energy, Nature, vol. 8(7), pages 665-674, July.
    • Handle: RePEc:nat:natene:v:8:y:2023:i:7:d:10.1038_s41560-023-01245-4
    DOI: 10.1038/s41560-023-01245-4
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    Cited by:

    1. Li Yin & Xiaofang Li & Xin Bao & Jinxuan Cheng & Chen Chen & Zongwei Zhang & Xingjun Liu & Feng Cao & Jun Mao & Qian Zhang, 2024. "CALPHAD accelerated design of advanced full-Zintl thermoelectric device," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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