Cited by 99Advanced Sensor and Energy Harvesting MaterialsElectrocatalysts for Energy ConversionHybrid Renewable Energy Systems

Blue Energy for Green Hydrogen Fuel: A Self‐Powered Electrochemical Conversion System Driven by Triboelectric Nanogenerators

Feng, Yawei, Han, Jiajia, Xu, Mengjiao, Liang, Xi, Jiang, Tao, Li, Hexing, Wang, Zhong Lin·2022·Advanced Energy Materials

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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Crossref · 10.1002/aenm.202103143

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3 of 3 references verified0 citation errors · 0 not checkable

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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).”
  • 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).”
  • 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.”

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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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