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Highly Robust and Self-Powered Electronic Skin Based on Tough Conductive Self-Healing Elastomer

机译：基于强硬的导电自愈弹性体的高强度和自动供电的电子皮肤

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摘要

Self-powered electronic skin (E-skin) can be endowed with high robustness by employing self-healing materials. However, most self-powered E-skin employs two heterogeneous materials with high modulus mismatch at the n interface and poor fully self-healing ability, which reduces the robustness of the whole device. Here, a conductive polyurethane elastomer (PUE) with excellent mechanical toughness and self-healing ability is prepared. Based on the self-healing insulated/conductive PUE homogeneous structure and triboelectric-electrostatic induction effect, a highly robust and self-powered E-skin (HRSE-skin) is developed. The HRSE-skin possesses stable mechanosensation capability during the 50% stretching deformation due to a low modulus mismatch in the homogeneous structure. In addition, the stretchability and mechanosensation capability of the HRSE-skin can be restored after the fracture owing to the fully self-healing ability of the homogeneous structure. Therefore, the HRSE-skin has high robustness of the whole device including stable service behaviors and excellent restorability. The developed HRSE-skin demonstrates high robustness in the detection of the force and bending angle of the prosthetic joint. This work solves the low robustness of self-powered E-skin by the preparation of conductive self-healing PUE and the construction of the homogeneous structure, which is important for the practical applications of self-powered E-skin in prosthetic limbs and advanced robotics.
机译：通过采用自愈材料，可以通过采用自愈材料来赋予自动电子皮肤（E-SKIN）。然而，大多数自动的电子皮肤采用两种具有高模量错配的异质材料，在N界面处具有差的完全自愈能力，这降低了整个设备的鲁棒性。这里，制备具有优异机械韧性和自愈合能力的导电聚氨酯弹性体（型型）。基于自愈合绝缘/导电提示均匀结构和摩擦静电感应效果，开发出高度稳健和自我供电的电子皮肤（HRSE-SKIN）。由于均匀结构的低模量失配，HRSE-SKIN在50％拉伸变形期间具有稳定的机械化能力。此外，由于均匀结构的完全自愈能力，可以在断裂后恢复HRSE皮肤的拉伸性和机械淤积能力。因此，HRSE-SKIN具有高稳健性，包括稳定的维修行为和优异的可恢复性。开发的HRSE皮肤在检测假体关节的力和弯曲角度方面表现出高稳健性。这项工作通过制备导电自愈性扁平和均匀结构的构建来解决自给自足的电子皮肤的低稳健性，这对于自我肢体和先进机器人的自我发电电子皮肤的实际应用很重要。

著录项

  • 来源
    《ACS nano》 |2020年第7期|共7页
  • 作者

    Xun Xiaochen; Zhang Zheng; Zhao Xuan; Zhao Bin; Gao Fangfang; Kang Zhuo; Liao Qingliang; Zhang Yue;

  • 作者单位

    Univ Sci &

    Technol Beijing Beijing Adv Innovat Ctr Mat Genome Engn Beijing Key Lab Adv Energy Mat &

    Technol Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Beijing Adv Innovat Ctr Mat Genome Engn Beijing Key Lab Adv Energy Mat &

    Technol Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Beijing Adv Innovat Ctr Mat Genome Engn Beijing Key Lab Adv Energy Mat &

    Technol Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Beijing Adv Innovat Ctr Mat Genome Engn Beijing Key Lab Adv Energy Mat &

    Technol Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Beijing Adv Innovat Ctr Mat Genome Engn Beijing Key Lab Adv Energy Mat &

    Technol Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Beijing Adv Innovat Ctr Mat Genome Engn Beijing Key Lab Adv Energy Mat &

    Technol Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Beijing Adv Innovat Ctr Mat Genome Engn Beijing Key Lab Adv Energy Mat &

    Technol Beijing 100083 Peoples R China;

    Univ Sci &

    Technol Beijing Beijing Adv Innovat Ctr Mat Genome Engn Beijing Key Lab Adv Energy Mat &

    Technol Beijing 100083 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 分子物理学、原子物理学;
  • 关键词

    electronic skin; self-healing elastomer; high robustness; self-powered mechanosensation; stable service behaviors;

    机译：电子皮肤;自我愈合弹性体;高稳健性;自动机制;稳定的服务行为;

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