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Core-shell coaxially structured triboelectric nanogenerator for energy harvesting and motion sensing

机译：核心壳同轴结构的摩擦纳米能器，用于能量收集和运动传感

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摘要

Converting sustainable human motion energy into electric energy has become an urgent task for the advancement of next-generation wearable and portable electronics. Herein, a core-shell coaxially structured triboelectric nanogenerator (CSTN) was fabricated by inserting an inner hollow circular tube into an outer hollow circular tube, and a gasbag is constructed within the space between the inner and outer tubes. Both Ni-coated polyester conductive textile and the conductive silicone rubber were used as effective electrode materials. The CSTN has excellent properties, including flexibility, light weight, sustainability and biological compatibility due to its unique structural design and materials selection. The CSTN can convert various forms of human motion energy, such as pressing, bending and twisting motion, into electric energy. A high short-circuit current of 11 mu A and an open-circuit voltage of 380 V can be obtained from a CSTN with a length of 6 cm, corresponding to a high peak power of 1.638 mW at a load resistance of about 10 M Omega. When six such CSTNs are connected in parallel and placed under shoes, the electric energy output by normal walking can light up 60 LEDs connected serially and power up a competition-timer. The device can also sense different bending angles or twisting angles according to its signal outputs under different deformation angles. This study indicates the promising application prospects of the CSTN for next-generation devices, including self-powered illuminating devices, portable electronics, body motion sensing and health monitoring.
机译：转换可持续的人类运动能量转化为电能已经成为了下一代可穿戴式和便携式电子产品的发展的一项紧迫任务。在本文中，核 - 壳结构的同轴摩擦纳米发生器（CSTN）是通过将一个内部中空圆管到外空心圆管制成，并且一个气囊在内管和外管之间的空间内构成。两个Ni基涂层的聚酯导电织物和导电硅橡胶被用作有效电极材料。该CSTN具有优异的性质，包括柔软性，重量轻，可持续性和生物兼容性，由于其独特的结构设计和材料选择。所述CSTN可以转换各种形式的人体运动的能量，如冲压，弯曲和扭曲运动，成电能。 11亩A和380 V的开路电压高的短路电流可以由具有6cm的长度的CSTN获得，对应于1.638毫瓦的高的峰值功率在负载电阻约10μm欧米茄。当六个这种CSTNs并联连接，并在鞋放置，由正常行走的输出的电能可以点亮的LED 60串联和电源连接起来的竞赛定时器。该装置还可以根据在不同的变形的角度其信号输出端感测不同的弯曲角度或扭转角度。这项研究表明了CSTN下一代设备，包括自供电的照明装置，便携式电子产品，身体运动感测和健康监测的有前途的应用前景。

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  • 来源
    《RSC Advances》 |2018年第6期|共8页
  • 作者

    Tian Zhumei; He Jian; Chen Xi; Wen Tao; Zhai Cong; Zhang Zengxing; Cho Jundong; Chou Xiujian; Xue Chenyang;

  • 作者单位

    North Univ China Sci &

    Technol Elect Test &

    Measurement Lab Taiyuan 030051 Shanxi Peoples R China;

    North Univ China Sci &

    Technol Elect Test &

    Measurement Lab Taiyuan 030051 Shanxi Peoples R China;

    North Univ China Sci &

    Technol Elect Test &

    Measurement Lab Taiyuan 030051 Shanxi Peoples R China;

    North Univ China Sci &

    Technol Elect Test &

    Measurement Lab Taiyuan 030051 Shanxi Peoples R China;

    North Univ China Sci &

    Technol Elect Test &

    Measurement Lab Taiyuan 030051 Shanxi Peoples R China;

    Univ Coll Southeast Norway Dept Micro &

    Nano Syst Technol N-3184 Horten Norway;

    North Univ China Sci &

    Technol Elect Test &

    Measurement Lab Taiyuan 030051 Shanxi Peoples R China;

    North Univ China Sci &

    Technol Elect Test &

    Measurement Lab Taiyuan 030051 Shanxi Peoples R China;

    North Univ China Sci &

    Technol Elect Test &

    Measurement Lab Taiyuan 030051 Shanxi Peoples R China;

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