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Organic laser power converter for efficient wireless micro power transfer

Author

Listed:
  • Yafei Wang

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Zhong Zheng

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    University of Science and Technology Beijing)

  • Jianqiu Wang

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences)

  • Pengqing Bi

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences)

  • Zhihao Chen

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences)

  • Junzhen Ren

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Cunbin An

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences)

  • Shaoqing Zhang

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    University of Science and Technology Beijing)

  • Jianhui Hou

    (Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    University of Science and Technology Beijing)

Abstract

Wireless power transfer with collimated power transmission and efficient conversion provides an alternative charging mode for off-grid and portable micro-power electronics. However, charging micro-power electronics with low photon flux can be challenging for current laser power converters. Here we show laser power converters with organic photovoltaic cells with good performance for application in laser wireless power transfer. The laser selection strategy is established and the upper limit of efficiency is proposed. The organic laser power converters exhibit a 36.2% efficiency at a 660 nm laser with a photon flux of 9.5 mW cm−2 and achieve wireless micro power transfer with an output of 0.5 W on a 2 meter scale. This work shows the good performance of organic photovoltaic cells in constructing organic laser power converters and provides a potential solution for the wireless power transfer of micro-power electronics.

Suggested Citation

  • Yafei Wang & Zhong Zheng & Jianqiu Wang & Pengqing Bi & Zhihao Chen & Junzhen Ren & Cunbin An & Shaoqing Zhang & Jianhui Hou, 2023. "Organic laser power converter for efficient wireless micro power transfer," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-41270-1
    DOI: 10.1038/s41467-023-41270-1
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    References listed on IDEAS

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