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Realizing thermoelectric cooling and power generation in N-type PbS0.6Se0.4 via lattice plainification and interstitial doping

Author

Listed:
  • Lei Wang

    (Beihang University)

  • Yi Wen

    (Beihang University)

  • Shulin Bai

    (Beihang University
    Tianmushan Laboratory)

  • Cheng Chang

    (Beihang University)

  • Yichen Li

    (Beihang University)

  • Shan Liu

    (Beihang University)

  • Dongrui Liu

    (Beihang University)

  • Siqi Wang

    (Beihang University)

  • Zhe Zhao

    (Beihang University)

  • Shaoping Zhan

    (Beihang University)

  • Qian Cao

    (Huabei Cooling Device Co. LTD.)

  • Xiang Gao

    (Center for High Pressure Science and Technology Advanced Research (HPSTAR))

  • Hongyao Xie

    (Beihang University)

  • Li-Dong Zhao

    (Beihang University
    Tianmushan Laboratory)

Abstract

Thermoelectrics have great potential for use in waste heat recovery to improve energy utilization. Moreover, serving as a solid-state heat pump, they have found practical application in cooling electronic products. Nevertheless, the scarcity of commercial Bi2Te3 raw materials has impeded the sustainable and widespread application of thermoelectric technology. In this study, we developed a low-cost and earth-abundant PbS compound with impressive thermoelectric performance. The optimized n-type PbS material achieved a record-high room temperature ZT of 0.64 in this system. Additionally, the first thermoelectric cooling device based on n-type PbS was fabricated, which exhibits a remarkable cooling temperature difference of ~36.9 K at room temperature. Meanwhile, the power generation efficiency of a single-leg device employing our n-type PbS material reaches ~8%, showing significant potential in harvesting waste heat into valuable electrical power. This study demonstrates the feasibility of sustainable n-type PbS as a viable alternative to commercial Bi2Te3, thereby extending the application of thermoelectrics.

Suggested Citation

  • Lei Wang & Yi Wen & Shulin Bai & Cheng Chang & Yichen Li & Shan Liu & Dongrui Liu & Siqi Wang & Zhe Zhao & Shaoping Zhan & Qian Cao & Xiang Gao & Hongyao Xie & Li-Dong Zhao, 2024. "Realizing thermoelectric cooling and power generation in N-type PbS0.6Se0.4 via lattice plainification and interstitial doping," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-48268-3
    DOI: 10.1038/s41467-024-48268-3
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    References listed on IDEAS

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    1. Shaoping Zhan & Tao Hong & Bingchao Qin & Yingcai Zhu & Xiang Feng & Lizhong Su & Haonan Shi & Hao Liang & Qianfan Zhang & Xiang Gao & Zhen-Hua Ge & Lei Zheng & Dongyang Wang & Li-Dong Zhao, 2022. "Realizing high-ranged thermoelectric performance in PbSnS2 crystals," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. Kanishka Biswas & Jiaqing He & Ivan D. Blum & Chun-I Wu & Timothy P. Hogan & David N. Seidman & Vinayak P. Dravid & Mercouri G. Kanatzidis, 2012. "High-performance bulk thermoelectrics with all-scale hierarchical architectures," Nature, Nature, vol. 489(7416), pages 414-418, September.
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