Cited by 14Electrocatalysts for Energy ConversionCO2 Reduction Techniques and CatalystsFuel Cells and Related Materials

Pristine Wood‐Supported Electrodes With Intrinsic Superhydrophilic/Superaerophobic Surface Intensify Hydrogen Evolution Reaction

Ling, Ruihua, Lian, Qing, Shan, Lianwei, Xiang, Shengling, Peng, Ouwen, Li, Dongyang, Amini, Abbas, Wang, Ning +2 more·2024·Small

Abstract

Wood, as a renewable material, has been regarded as an emerging substrate for self‐supporting electrodes in large‐scale water electrolysis due to numerous merits such as rich pore structure, abundant hydroxyl groups, etc. However, poor conductivity of wood can greatly suppress the performance of wood‐based electrodes. Carbonization process can improve wood's conductivity, but the loss of hydroxyl groups and the required high energy consumption are the drawbacks of such a process. Here, a facile strategy is developed to prepare pristine wood‐supported electrode (Ni‐NiP/W) for enhanced hydrogen evolution reaction (HER); this improves electrical conductivity of wood while retaining its excellent intrinsic properties. The preparation process involves the deposition of copper on the untreated wood followed with the loading of Ni‐NiP catalyst at room temperature. Encouragingly, the Ni‐NiP/W exhibits conductive and inherited pristine wood's superhydrophilic and superaerophobic properties, that effectively boost mass and charge transfer. It demonstrates high activity and excellent stability in acidic, alkali, and seawater conditions as well as high current densities of up to 2000 mA cm−2; particularly a record‐low HER overpotential of 206 mV in acidic conditions at 1000 mA cm−2. This work fully unlocks the admiring potential of pristine wood as superior substrate for high‐performance electrochemical electrodes.

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Registry

Crossref · 10.1002/smll.202404420

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  • A wood-based electrode deposited with copper and loaded with Ni-NiP catalyst inherits the superhydrophilic and superaerophobic properties of the original wood, promotes mass and charge transfer, and shows high activity and stability in acidic, alkali, and seawater conditions.

    “The resulting electrode inherits the superhydrophilic and superaerophobic properties of the original wood, effectively promoting mass and charge transfer. It demonstrates high activity and excellent stability in acidic, alkali, and seawater conditions (Fig. 11a).”

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Authors
Ling, R., Lian, Q., Shan, L., Xiang, S., Peng, O., Li, D., Amini, A., Wang, N., Yang, H., & Cheng, C.
Affiliations
  • Southern University of Science and Technology (CN)
  • Harbin University of Science and Technology (CN)
  • Hong Kong University of Science and Technology (HK)
  • Western Sydney University (AU)
  • Wuhan Institute of Technology (CN)
Corresponding author
  • Yang, Hao
  • Cheng, Chun
Venue
Small
Publisher
Wiley
Published
2024-09-23
Volume
20
Issue
48
Pages
e2404420-e2404420
ISSN
  • 1613-6810 (ISSN-L)
  • 1613-6829
OpenAlex
W4402751943
Cited by
14
References
58
Citations by year
2026: 8 · 2025: 6
FWCI
0.94
Type
journal article
Language
en
Open access
closed
Locations
  • Small (publishedVersion)
  • PubMed (publishedVersion)
  • Rare & Special e-Zone (The Hong Kong University of Science and Technology) (submittedVersion)
Funders
Southern University of Science and Technology
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Fuel Cells and Related Materials
Keywords
hydrogen evolution reaction, superhydrophilic surfaces, superaerophobic surfaces, copper deposition, water electrolysis, mass and charge transfer, seawater electrocatalysis, low overpotential

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