Spherical Triboelectric Nanogenerator Based on Eccentric Structure for Omnidirectional Low Frequency Water Wave Energy Harvesting

Zhigang Qu, Mingkun Huang, Chuanxian Chen, Yang An, Hongze Liu, Quanpeng Zhang, Xiaopeng Wang, Ying Liu, Wuliang Yin, Xingfei Li

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Abstract

Ocean wave energy is a promising green energy source, but it is difficult to exploit on a large scale due to its low frequency and the random uncertainty of its direction. In this study, a spherical eccentric structured triboelectric nanogenerator (Se-TENG) is designed to harvest omnidirectional low-frequency water wave energy. Power management circuits (PMM) are designed to optimize the utilization of water wave energy at low frequencies for large-scale conversion and storage. It is found that the output performance of the Se-TENG device is influenced by the frequency of the water waves, with the best output performance at a water wave frequency of 2.0 Hz, given that the wave amplitude is 9 cm. It is verified that within the Se-TENG, the parallel connections of eccentric structured triboelectric nanogenerators (E-TENGs) are more conducive to energy storage and conversion. In addition, the Se-TENG used in conjunction with an energy storage device is able to successfully power light-emitting diodes (LEDs) and digital thermometers, demonstrating its ability to harvest low-frequency water wave energy in random directions. The unique structure of the Se-TENG offers an innovative and effective way of gathering blue energy on a large scale.

Original languageEnglish
Article number2202048
JournalAdvanced Functional Materials
Volume32
Issue number29
Early online date1 May 2022
DOIs
Publication statusPublished - 18 Jul 2022

Keywords

  • blue energy
  • eccentric
  • low frequency water waves
  • omni-directional
  • spherical triboelectric nanogenerators

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  • Electromagnetic Sensing Group

    Peyton, A. (PI), Fletcher, A. (Researcher), Daniels, D. (CoI), Conniffe, D. (PGR student), Podd, F. (PI), Davidson, J. (Researcher), Anderson, J. (Support team), Wilson, J. (Researcher), Marsh, L. (PI), O'Toole, M. (PI), Watson, S. (PGR student), Yin, W. (PI), Regan, A. (PGR student), Williams, K. (Researcher), Rana, S. (Researcher), Khalil, K. (PGR student), Hills, D. (PGR student), Whyte, C. (PGR student), Wang, C. (PGR student), Hodgskin-Brown, R. (PGR student), Dadkhahtehrani, F. (PGR student), Forster, S. (PGR student), Zhu, F. (PGR student), Yu, K. (PGR student), Xiong, L. (PGR student), Lu, T. (PGR student), Zhang, L. (PGR student), Lyu, R. (PGR student), Zhu, R. (PGR student), She, S. (PGR student), Meng, T. (PGR student), Pang, X. (PGR student), Zheng, X. (PGR student), Bai, X. (PGR student), Zou, X. (PGR student), Ding, Y. (PGR student), Shao, Y. (PGR student), Xia, Z. (PGR student), Zhang, Z. (PGR student), Khangerey, R. (PGR student) & Lawless, B. (Researcher)

    1/10/04 → …

    Project: Research

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