Spherical Triboelectric Nanogenerator Based on Eccentric Structure for Omnidirectional Low Frequency Water Wave Energy Harvesting
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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.
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Ocean wave energy exhibits vertical oscillations due to wave motion and directional influences from the wind, resulting in a specific range of frequencies.
“Ocean wave energy exhibits vertical oscillations due to wave motion and directional influences from the wind, resulting in a specific range of frequencies.[222,223]”
From Advances in Blue Energy Fuels: Harvesting Energy from Ocean for Self‐Powered Electrolysis (2025) · cites this paper as [222]
The title and Keywords section describe low-frequency water waves, supporting the claim’s general point about wave frequency. The passages do not describe vertical oscillations, attribute directional effects to wind, or give a specific frequency range; searches for those terms found no further support. (LLM, conf=0.70)
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Wang, Z. L. (2014) · Faraday Discuss. · doi:10.1039/c4fd00159a · Cited by 1,749 · see citing works
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Advances in Blue Energy Fuels: Harvesting Energy from Ocean for Self‐Powered Electrolysis
Ock, I. W., Yin, J., Wang, S., Zhao, X., Baik, J. M., & Chen, J. (2025) · Advanced Energy Materials · doi:10.1002/aenm.202400563 · Cited by 64 · see citing works
- Authors
- Qu, Z., Huang, M., Chen, C., An, Y., Liu, H., Zhang, Q., Wang, X., Liu, Y., Yin, W., & Li, X.
- Affiliations
- Tianjin University of Science and Technology (CN)
- Tianjin University (CN)
- Corresponding author
- Qu, Zhigang
- Liu, Ying
- Yin, Wuliang
- Li, Xingfei
- ORCID
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2022-05
- Volume
- 32
- Issue
- 29
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W4225264021
- Cited by
- 88
- References
- 1
- Citations by year
- 2026: 10 · 2025: 21 · 2024: 25 · 2023: 24 · 2022: 8
- FWCI
- 5.66
- Type
- journal article
- Language
- en
- Open access
- Licence
- Locations
- Advanced Functional Materials (publishedVersion)
- Research Explorer (The University of Manchester) (publishedVersion, other-oa)
- Funders
- National Natural Science Foundation of China (61873187, 62173246,, 61901299)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
- Physical Sciences › Engineering › Mechanical Engineering › Innovative Energy Harvesting Technologies
- Physical Sciences › Engineering › Ocean Engineering › Wave and Wind Energy Systems
- Keywords
- triboelectric nanogenerator, wave energy conversion, eccentric structures, power management circuit, energy storage, salinity gradient energy, LED powering
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