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High performance n-type Ag2Se film on nylon membrane for flexible thermoelectric power generator

Author

Listed:
  • Yufei Ding

    (Tongji University)

  • Yang Qiu

    (Southern University of Science and Technology)

  • Kefeng Cai

    (Tongji University)

  • Qin Yao

    (Chinese Academy of Science)

  • Song Chen

    (Fujian University of Technology)

  • Lidong Chen

    (Chinese Academy of Science)

  • Jiaqing He

    (Southern University of Science and Technology)

Abstract

Researches on flexible thermoelectric materials usually focus on conducting polymers and conducting polymer-based composites; however, it is a great challenge to obtain high thermoelectric properties comparable to inorganic counterparts. Here, we report an n-type Ag2Se film on flexible nylon membrane with an ultrahigh power factor ~987.4 ± 104.1 μWm−1K−2 at 300 K and an excellent flexibility (93% of the original electrical conductivity retention after 1000 bending cycles around a 8-mm diameter rod). The flexibility is attributed to a synergetic effect of the nylon membrane and the Ag2Se film intertwined with numerous high-aspect-ratio Ag2Se grains. A thermoelectric prototype composed of 4-leg of the Ag2Se film generates a voltage and a maximum power of 18 mV and 460 nW, respectively, at a temperature difference of 30 K. This work opens opportunities of searching for high performance thermoelectric film for flexible thermoelectric devices.

Suggested Citation

  • Yufei Ding & Yang Qiu & Kefeng Cai & Qin Yao & Song Chen & Lidong Chen & Jiaqing He, 2019. "High performance n-type Ag2Se film on nylon membrane for flexible thermoelectric power generator," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-08835-5
    DOI: 10.1038/s41467-019-08835-5
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    Cited by:

    1. Yuan, Jinfeng & Zhu, Rong, 2020. "A fully self-powered wearable monitoring system with systematically optimized flexible thermoelectric generator," Applied Energy, Elsevier, vol. 271(C).
    2. Svyatoslav Yatsyshyn & Oleksandra Hotra & Pylyp Skoropad & Tetiana Bubela & Mykola Mykyichuk & Orest Kochan & Oksana Boyko, 2023. "Investigating Thermoelectric Batteries Based on Nanostructured Materials," Energies, MDPI, vol. 16(9), pages 1-11, May.
    3. Fan, Zeng & Zhang, Yaoyun & Pan, Lujun & Ouyang, Jianyong & Zhang, Qian, 2021. "Recent developments in flexible thermoelectrics: From materials to devices," Renewable and Sustainable Energy Reviews, Elsevier, vol. 137(C).
    4. Liu, Wei-Di & Yu, Yao & Dargusch, Matthew & Liu, Qingfeng & Chen, Zhi-Gang, 2021. "Carbon allotrope hybrids advance thermoelectric development and applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 141(C).

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