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Porous flexible molecular-based piezoelectric composite achieves milliwatt output power density

Author

Listed:
  • Jia-Qi Luo

    (Zhejiang Normal University)

  • Hai-Feng Lu

    (Zhejiang Normal University)

  • Yi-Jing Nie

    (Jiangsu University)

  • Yu-Hang Zhou

    (Jiangsu University)

  • Chang-Feng Wang

    (Zhejiang Normal University)

  • Zhi-Xu Zhang

    (Zhejiang Normal University)

  • Da-Wei Fu

    (Zhejiang Normal University
    Southeast University)

  • Yi Zhang

    (Zhejiang Normal University)

Abstract

Molecular ferroelectrics have made breakthrough progress in intrinsic piezoelectric response that can be on par with advanced inorganic piezoelectric ceramics. However, their successful applications in high-density energy harvesting and self-powered flexible devices have been great challenge, owing to the low elastic moduli, intrinsically brittle, and fracture proneness of such material systems under mechanical loading. Here, we have developed a flexible porous composite piezoelectric material by using soft thermoplastic polyurethane (TPU) and molecular ferroelectric materials. Benefiting from the porous structure of TPU, the flexible piezoelectric composites enable effectively large doping ratio (50%) of [Me3NCH2Cl]CdCl3 (TMCM-CdCl3) and highly efficient stress absorption, coupled with the excellent piezoelectric properties of TMCM-CdCl3, to realize a superior power density (636.9 µW cm−2 or 1273.9 µW cm−3). This output is 2000 times higher than that of flexible piezoelectric materials represented by poly(vinylidene fluoride) (PVDF). We believe that the outstanding performance of the porous composite piezoelectric material would pave a feasible way for real industrial applications of molecular ferroelectrics.

Suggested Citation

  • Jia-Qi Luo & Hai-Feng Lu & Yi-Jing Nie & Yu-Hang Zhou & Chang-Feng Wang & Zhi-Xu Zhang & Da-Wei Fu & Yi Zhang, 2024. "Porous flexible molecular-based piezoelectric composite achieves milliwatt output power density," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-53031-9
    DOI: 10.1038/s41467-024-53031-9
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    References listed on IDEAS

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    1. Yang Wang & Xinrong Wen & Yanmin Jia & Ming Huang & Feifei Wang & Xuehui Zhang & Yunyang Bai & Guoliang Yuan & Yaojin Wang, 2020. "Piezo-catalysis for nondestructive tooth whitening," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
    2. Haotian Lu & Huachen Cui & Gengxi Lu & Laiming Jiang & Ryan Hensleigh & Yushun Zeng & Adnan Rayes & Mohanchandra K. Panduranga & Megha Acharya & Zhen Wang & Andrei Irimia & Felix Wu & Gregory P. Carma, 2023. "3D Printing and processing of miniaturized transducers with near-pristine piezoelectric ceramics for localized cavitation," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
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