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Polyvinyl chloride-based dielectric elastomer with high permittivity and low viscoelasticity for actuation and sensing

Author

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  • Jianjian Huang

    (Zhengzhou University of Light Industry)

  • Xiaodie Zhang

    (Zhengzhou University of Light Industry)

  • Ruixue Liu

    (Zhengzhou University of Light Industry)

  • Yonghui Ding

    (Northwestern University)

  • Dongjie Guo

    (Zhengzhou University of Light Industry)

Abstract

Dielectric elastomers (DEs) are widely used in soft actuation and sensing. Current DE actuators require high driving electrical fields because of their low permittivity. Most of DE actuators and sensors suffer from high viscoelastic effects, leading to high mechanical loss and large shifts of signals. This study demonstrates a valuable strategy to produce polyvinyl chloride (PVC)-based elastomers with high permittivity and low viscoelasticity. The introduction of cyanoethyl cellulose (CEC) into plasticized PVC gel (PVCg) not only confers a high dielectric permittivity (18.9@1 kHz) but also significantly mitigates their viscoelastic effects with a low mechanical loss (0.04@1 Hz). The CEC/PVCg actuators demonstrate higher actuation performances over the existing DE actuators under low electrical fields and show marginal displacement shifts (7.78%) compared to VHB 4910 (136.09%). The CEC/PVCg sensors display high sensitivity, fast response, and limited signal drifts, enabling their faithful monitoring of multiple human motions.

Suggested Citation

  • Jianjian Huang & Xiaodie Zhang & Ruixue Liu & Yonghui Ding & Dongjie Guo, 2023. "Polyvinyl chloride-based dielectric elastomer with high permittivity and low viscoelasticity for actuation and sensing," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-37178-5
    DOI: 10.1038/s41467-023-37178-5
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    References listed on IDEAS

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    1. Paisan Khanchaitit & Kuo Han & Matthew R. Gadinski & Qi Li & Qing Wang, 2013. "Ferroelectric polymer networks with high energy density and improved discharged efficiency for dielectric energy storage," Nature Communications, Nature, vol. 4(1), pages 1-7, December.
    2. Guorui Li & Xiangping Chen & Fanghao Zhou & Yiming Liang & Youhua Xiao & Xunuo Cao & Zhen Zhang & Mingqi Zhang & Baosheng Wu & Shunyu Yin & Yi Xu & Hongbo Fan & Zheng Chen & Wei Song & Wenjing Yang & , 2021. "Self-powered soft robot in the Mariana Trench," Nature, Nature, vol. 591(7848), pages 66-71, March.
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