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Shearo-caloric effect enhances elastocaloric responses in polymer composites for solid-state cooling

Author

Listed:
  • Shixian Zhang

    (Wuhan University of Technology
    The Pennsylvania State University)

  • Yuheng Fu

    (Wuhan University of Technology)

  • Xinxing Nie

    (Wuhan University of Technology)

  • Chenjian Li

    (Wuhan University of Technology)

  • Youshuang Zhou

    (Hubei University)

  • Yaqi Wang

    (Wuhan University of Technology)

  • Juan Yi

    (Wuhan University of Technology
    Tsinghua University)

  • Wenlai Xia

    (Wuhan University of Technology)

  • Yiheng Song

    (Wuhan University of Technology)

  • Qi Li

    (Tsinghua University)

  • Chuanxi Xiong

    (Wuhan University of Technology)

  • Suxin Qian

    (Xi’an Jiaotong University)

  • Quanling Yang

    (Wuhan University of Technology)

  • Qing Wang

    (The Pennsylvania State University)

Abstract

Room-temperature elastocaloric cooling is considered as a zero-global-warming-potential alternative to conventional vapor-compression refrigeration technology. However, the limited entropy and large-deformation features of elastocaloric polymers hinder the creation of the breakthrough in their caloric responses and device development. Herein, we report that the addition of a small amount of inorganic nanofillers into the polymer induces the aggregate of the effective elastic chains via shearing the interlaminar molecular chains, which provides an additional contribution to the entropy in elastocaloric polymers. Consequently, the adiabatic temperature change of −18.0 K and the isothermal entropy change of 187.4 J kg−1 K−1 achieved in the polymer nanocomposites outperform those of current elastocaloric polymers. Moreover, a large-deformation cooling system with a work recovery efficiency of 56.3% is demonstrated. This work opens a new avenue for the development of high-performance elastocaloric polymers and prototypes for solid-state cooling applications.

Suggested Citation

  • Shixian Zhang & Yuheng Fu & Xinxing Nie & Chenjian Li & Youshuang Zhou & Yaqi Wang & Juan Yi & Wenlai Xia & Yiheng Song & Qi Li & Chuanxi Xiong & Suxin Qian & Quanling Yang & Qing Wang, 2024. "Shearo-caloric effect enhances elastocaloric responses in polymer composites for solid-state cooling," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-50870-4
    DOI: 10.1038/s41467-024-50870-4
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    References listed on IDEAS

    as
    1. Xiaoshi Qian & Donglin Han & Lirong Zheng & Jie Chen & Madhusudan Tyagi & Qiang Li & Feihong Du & Shanyu Zheng & Xingyi Huang & Shihai Zhang & Junye Shi & Houbing Huang & Xiaoming Shi & Jiangping Chen, 2021. "High-entropy polymer produces a giant electrocaloric effect at low fields," Nature, Nature, vol. 600(7890), pages 664-669, December.
    2. E. Defay & R. Faye & G. Despesse & H. Strozyk & D. Sette & S. Crossley & X. Moya & N. D. Mathur, 2018. "Enhanced electrocaloric efficiency via energy recovery," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    3. Shixian Zhang & Quanling Yang & Chenjian Li & Yuheng Fu & Huaqing Zhang & Zhiwei Ye & Xingnan Zhou & Qi Li & Tao Wang & Shan Wang & Wenqing Zhang & Chuanxi Xiong & Qing Wang, 2022. "Solid-state cooling by elastocaloric polymer with uniform chain-lengths," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    4. Klinar, K. & Kitanovski, A., 2020. "Thermal control elements for caloric energy conversion," Renewable and Sustainable Energy Reviews, Elsevier, vol. 118(C).
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