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Self-powered thin-film motion vector sensor

Author

Listed:
  • Qingshen Jing

    (College of Engineering, Peking University
    School of Materials Science and Engineering, Georgia Institute of Technology)

  • Yannan Xie

    (School of Materials Science and Engineering, Georgia Institute of Technology)

  • Guang Zhu

    (School of Materials Science and Engineering, Georgia Institute of Technology
    Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences)

  • Ray P. S. Han

    (College of Engineering, Peking University)

  • Zhong Lin Wang

    (School of Materials Science and Engineering, Georgia Institute of Technology
    Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences)

Abstract

Harnessing random micromeso-scale ambient energy is not only clean and sustainable, but it also enables self-powered sensors and devices to be realized. Here we report a robust and self-powered kinematic vector sensor fabricated using highly pliable organic films that can be bent to spread over curved and uneven surfaces. The device derives its operational energy from a close-proximity triboelectrification of two surfaces: a polytetrafluoroethylene film coated with a two-column array of copper electrodes that constitutes the mover and a polyimide film with the top and bottom surfaces coated with a two-column aligned array of copper electrodes that comprises the stator. During relative reciprocations, the electrodes in the mover generate electric signals of ±5 V to attain a peak power density of ≥65 mW m−2 at a speed of 0.3 ms−1. From our 86,000 sliding motion tests of kinematic measurements, the sensor exhibits excellent stability, repeatability and strong signal durability.

Suggested Citation

  • Qingshen Jing & Yannan Xie & Guang Zhu & Ray P. S. Han & Zhong Lin Wang, 2015. "Self-powered thin-film motion vector sensor," Nature Communications, Nature, vol. 6(1), pages 1-8, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9031
    DOI: 10.1038/ncomms9031
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    Cited by:

    1. Ghomian, Taher & Mehraeen, Shahab, 2019. "Survey of energy scavenging for wearable and implantable devices," Energy, Elsevier, vol. 178(C), pages 33-49.
    2. Toyabur Rahman, M. & Sohel Rana, SM & Salauddin, Md. & Maharjan, Pukar & Bhatta, Trilochan & Kim, Hyunsik & Cho, Hyunok & Park, Jae Yeong, 2020. "A highly miniaturized freestanding kinetic-impact-based non-resonant hybridized electromagnetic-triboelectric nanogenerator for human induced vibrations harvesting," Applied Energy, Elsevier, vol. 279(C).

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