Blue Energy for Green Hydrogen Fuel: A Self‐Powered Electrochemical Conversion System Driven by Triboelectric Nanogenerators
Abstract
Utilizing hydrogen energy produced by water electrolysis is conducive to carbon neutrality from a technological point of view. However, this perspective is restrained by the high electricity cost in commercial development. Powering electrochemical reactions by renewable electricity converted from distributed mechanical energy can lead to commercial electric energy saving and cost reduction. In this work, a self‐powered electrochemical system (SPECS) is proposed for the conversion from blue energy of ocean waves to green energy via hydrogen fuel. This system consists of triboelectric nanogenerator (TENG) devices and an electrolyzer, where the TENG devices serve as ocean wave energy harvesters for electricity generation, while the seawater‐containing electrolyzer is employed for hydrogen generation. After power management on the output of the TENGs and electrochemical reaction optimization, the system can generate hydrogen at a rate of 814.8 µ L m ‐2 d ‐1 and a Faraday efficiency of 69.1% under ideal operation conditions, demonstrating the practical potential of the constructed system toward carbon neutralization.
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Feng et al. designed a floating TENG network, incorporating power management modules to transform blue energy into green resources within a self-powered electrochemical system.
“Feng et al. [233] have designed a floating TENG network, incorporating power management modules to transform blue energy into green resources within a self-powered electrochemical system (Figure 6k).”
From Advances in Blue Energy Fuels: Harvesting Energy from Ocean for Self‐Powered Electrolysis (2025) · cites this paper as [233]
At discharge voltages exceeding 3.5 V, the SCC-TENG produced H2 fuel at a rate of 818.4 μL m-2 d-1 with a Faraday efficiency of 69.1% and a conversion efficiency of 44.3%.
“At discharge voltages exceeding 3.5 V, it exhibited a more apparent and continuous precipitation time, producing H 2 fuel at a rate of 818.4 μL m -2 d -1 with a Faraday efficiency of 69.1% and a conversion efficiency of 44.3% (Figure 6n).”
From Advances in Blue Energy Fuels: Harvesting Energy from Ocean for Self‐Powered Electrolysis (2025) · cites this paper as [233]
The SCC-TENG, harvesting wave energy at 0.5 Hz, demonstrated the production of H2 bubbles at voltages exceeding 3 V.
“The SCC-TENG, harvesting wave energy at 0.5 Hz, demonstrated the production of H 2 bubbles at voltages exceeding 3 V.”
From Advances in Blue Energy Fuels: Harvesting Energy from Ocean for Self‐Powered Electrolysis (2025) · cites this paper as [233]
Cites
Catch wave power in floating nets
Wang, Z. L. (2017) · Nature · doi:10.1038/542159a · Cited by 708 · see citing works
Self-citationIs direct seawater splitting economically meaningful?
Hausmann, J. N., Schlögl, R., Menezes, P. W., & Driess, M. (2021) · Energy & Environmental Science · doi:10.1039/d0ee03659e · Cited by 388 · see citing works
Leung, S.-F., Fu, H.-C., Zhang, M., Hassan, A. H., Jiang, T., Salama, K. N., Wang, Z. L., & He, J.-H. (2020) · Energy & Environmental Science · doi:10.1039/c9ee03566d · Cited by 127 · 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
- Feng, Y., Han, J., Xu, M., Liang, X., Jiang, T., Li, H., & Wang, Z. L.
- Affiliations
- Chinese Academy of Sciences (CN)
- Fudan University (CN)
- Shanghai University of Electric Power (CN)
- Georgia Institute of Technology (US)
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2021-11-12
- Volume
- 12
- Issue
- 1
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W3213762194
- Cited by
- 99
- References
- 3
- Citations by year
- 2026: 11 · 2025: 16 · 2024: 25 · 2023: 26 · 2022: 21
- FWCI
- 5.47
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Advanced Energy Materials (publishedVersion)
- Funders
- National Natural Science Foundation of China (51432005, 51702018, 51561145021)
- Youth Innovation Promotion Association
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Energy › Energy Engineering and Power Technology › Hybrid Renewable Energy Systems
- Keywords
- triboelectric nanogenerator, green hydrogen, salinity gradient energy, wave energy conversion, water electrolysis, renewable electricity, power management, Faradaic efficiency, carbon neutrality
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