Cited by 117Electrocatalysts for Energy ConversionCO2 Reduction Techniques and CatalystsFuel Cells and Related Materials

Monolithic Ni‐Mo‐B Bifunctional Electrode for Large Current Water Splitting

Liu, Huixiang, Li, Xuanyang, Chen, Lulu, Zhu, Xiaodong, Dong, Pei, Chee, Mason Oliver Lam, Ye, Mingxin, Guo, Yanhui +1 more·2022·Advanced Functional Materials

Abstract

Screening and developing highly efficient electrodes is key to large‐scale water electrolysis. The practical industrial electrode should fulfill several criteria of high activity, structural stability, and fast bubble evolution at a large current density. In this study, a novel monolithic 3D hollow foam electrode that can achieve the requirements of large current density water electrolysis is developed and fabricated through a simple electroless plating‐calcination strategy. This strong 3D Ni‐Mo‐B hollow foam electrode can withstand a pressure of 2.37 MPa and exhibits high electrochemical surface area, high conductivity, and low gas transfer resistance, drastically boosting its catalytic performance. It affords 50 mA cm –2 at overpotentials of only 68 mV for hydrogen evolution reaction and 293 mV for oxygen evolution reaction and can survive at a large current density of 5 A cm –2 while maintaining its structure and performance in 1.0 m KOH. The advantages of facile preparation, high mechanical strength, high gas mass transfer ability, and excellent performance enable this structure to be a potential electrode, active substrate, or 3D catalyst in many fields.

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Crossref · 10.1002/adfm.202107308

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63 of 63 references verified0 citation errors · 0 not checkable

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Authors
Liu, H., Li, X., Chen, L., Zhu, X., Dong, P., Chee, M. O. L., Ye, M., Guo, Y., & Shen, J.
Affiliations
  • Fudan University (CN)
  • George Mason University (US)
Corresponding author
  • Ye, Mingxin
  • Guo, Yanhui
  • Shen, Jianfeng
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2021-10-08
Volume
32
Issue
4
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W3207149998
Cited by
117
References
63
Citations by year
2026: 11 · 2025: 17 · 2024: 34 · 2023: 39 · 2022: 15 · 2021: 1
FWCI
4.18
Type
journal article
Language
en
Open access
closed
Locations
Advanced Functional Materials (publishedVersion)
Funders
National Natural Science Foundation of China (51972064, 52172189)
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
bifunctional electrocatalysts, water electrolysis, hydrogen evolution reaction, oxygen evolution reaction, electroless plating, calcination, high current density, gas mass transfer, electrochemically active surface area, KOH electrolyte

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