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Highly stable flexible pressure sensors with a quasi-homogeneous composition and interlinked interfaces

Author

Listed:
  • Yuan Zhang

    (Southern University of Science and Technology)

  • Junlong Yang

    (Sichuan University)

  • Xingyu Hou

    (Southern University of Science and Technology)

  • Gang Li

    (Southern University of Science and Technology)

  • Liu Wang

    (Southern University of Science and Technology)

  • Ningning Bai

    (Southern University of Science and Technology)

  • Minkun Cai

    (Southern University of Science and Technology)

  • Lingyu Zhao

    (Southern University of Science and Technology)

  • Yan Wang

    (Southern University of Science and Technology)

  • Jianming Zhang

    (Southern University of Science and Technology)

  • Ke Chen

    (Tencent Robotics X)

  • Xiang Wu

    (Shenyang University of Technology)

  • Canhui Yang

    (Southern University of Science and Technology)

  • Yuan Dai

    (Tencent Robotics X)

  • Zhengyou Zhang

    (Tencent Robotics X)

  • Chuan Fei Guo

    (Southern University of Science and Technology
    Southern University of Science and Technology)

Abstract

Electronic skins (e-skins) are devices that can respond to mechanical stimuli and enable robots to perceive their surroundings. A great challenge for existing e-skins is that they may easily fail under extreme mechanical conditions due to their multilayered architecture with mechanical mismatch and weak adhesion between the interlayers. Here we report a flexible pressure sensor with tough interfaces enabled by two strategies: quasi-homogeneous composition that ensures mechanical match of interlayers, and interlinked microconed interface that results in a high interfacial toughness of 390 J·m−2. The tough interface endows the sensor with exceptional signal stability determined by performing 100,000 cycles of rubbing, and fixing the sensor on a car tread and driving 2.6 km on an asphalt road. The topological interlinks can be further extended to soft robot-sensor integration, enabling a seamless interface between the sensor and robot for highly stable sensing performance during manipulation tasks under complicated mechanical conditions.

Suggested Citation

  • Yuan Zhang & Junlong Yang & Xingyu Hou & Gang Li & Liu Wang & Ningning Bai & Minkun Cai & Lingyu Zhao & Yan Wang & Jianming Zhang & Ke Chen & Xiang Wu & Canhui Yang & Yuan Dai & Zhengyou Zhang & Chuan, 2022. "Highly stable flexible pressure sensors with a quasi-homogeneous composition and interlinked interfaces," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-29093-y
    DOI: 10.1038/s41467-022-29093-y
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    References listed on IDEAS

    as
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    Cited by:

    1. Ningning Bai & Yiheng Xue & Shuiqing Chen & Lin Shi & Junli Shi & Yuan Zhang & Xingyu Hou & Yu Cheng & Kaixi Huang & Weidong Wang & Jin Zhang & Yuan Liu & Chuan Fei Guo, 2023. "A robotic sensory system with high spatiotemporal resolution for texture recognition," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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