“Superaerophobic” Nickel Phosphide Nanoarray Catalyst for Efficient Hydrogen Evolution at Ultrahigh Current Densities
Abstract
The design of highly efficient non-noble-metal electrocatalysts for large-scale hydrogen production remains an ongoing challenge. We report here a Ni 2 P nanoarray catalyst grown on a commercial Ni foam substrate, which demonstrates an outstanding electrocatalytic activity and stability in basic electrolyte. The high catalytic activity can be attributed to the favorable electron transfer, superior intrinsic activity, and the intimate connection between the nanoarrays and their substrate. Moreover, the unique “superaerophobic” surface feature of the Ni 2 P nanoarrays enables a remarkable capability to withstand internal and external forces and release the in situ generated H 2 bubbles in a timely manner at large current densities (such as >1000 mA cm –2 ) where the hydrogen evolution becomes vigorous. Our results highlight that an aerophobic structure is essential to catalyze gas evolution for large-scale practical applications.
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A 3D nanostructured electrode composed of nanowires made of nanosheets exhibits superaerophobicity compared with blank Ni foam, with bubbles detaching from the surface in just 207.9 ms.
“Yu et al. [166] designed a nanowire structure composed of nanosheets as shown in Fig. 15b. Compared with the blank Ni foam, the 3D nanostructured electrode exhibits superaerophobicity, the bubble can detach from the surface in just 207.9 ms.”
From Advances in Surface/Interface Engineering of Under-Water Superaerophobic Electrodes for Hydrogen Evolution Reaction by Manipulating of Bubbles (2026) · cites this paper as [166]
The different bubble releasing behaviors of Co-NC-AF, Co-NC-CF, and Pt foil can be ascribed to their distinct surface wettability.
“The different bubble releasing behaviors of these electrodes can be ascribed to their distinct surface wettability.”
From Design of Aligned Porous Carbon Films with Single‐Atom Co–N–C Sites for High‐Current‐Density Hydrogen Generation (2021) · cites this paper as [49]
The formed S,P-(Ni,Mo,Fe)OOH could effectively enhance the electrolyte diffusion rate and the fast bubble release, which are vital for obtaining a large current density during the catalytic process.
“The results above showed that the formed S,P-(Ni,Mo,Fe)OOH could effectively enhance the electrolyte diffusion rate and the fast bubble release, which are vital for obtaining a large current density during the catalytic process [30].”
From Wood aerogel-derived sandwich-like layered nanoelectrodes for alkaline overall seawater electrosplitting (2021) · cites this paper as [30]
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Self-citation
- Authors
- Yu, X., Yu, Z.-Y., Zhang, X.-L., Zheng, Y.-R., Duan, Y., Gao, Q., Wu, R., Sun, B., Gao, M.-R., Wang, G., & Yu, S.-H.
- Affiliations
- University of Technology Sydney (AU)
- Division of Nanomaterials & Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Collaborative Innovation Center of Suzhou Nano Science and Technology, Department of Chemistry, CAS Centre for Excellence in Nanoscience, Hefei Science Centre of CAS, University of Science and Technology of China, Hefei 230026, China
- University of Science and Technology of China (CN)
- Corresponding author
- Gao, Min-Rui
- Wang, Guoxiu
- Yu, Shu-Hong
- ORCID
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2019-04-22
- Volume
- 141
- Issue
- 18
- Pages
- 7537-7543
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2941759180
- Cited by
- 568
- References
- 48
- Citations by year
- 2026: 34 · 2025: 61 · 2024: 92 · 2023: 94 · 2022: 88 · 2021: 108 · 2020: 69 · 2019: 22
- FWCI
- 15.27
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Journal of the American Chemical Society (publishedVersion)
- PubMed (publishedVersion)
- UTS ePRESS (University of Technology Sydney) (submittedVersion)
- Funders
- National Natural Science Foundation of China (21225315, 21321002, 21521001, 91645202, 21431006)
- Chinese Academy of Sciences (QYZDJ-SSW-SLH036, KGZD-EW-T05, XDA090301001)
- Ministry of Education of the People's Republic of China (WK2340000076, WK2060190045)
- Australian Research Council (DP170100436, DE180100036, DP180100077, DP160104340)
- Central Committee of the Communist Party of China
- Hefei Science Center, Chinese Academy of Sciences (2015HSCUE007)
- 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 › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
- Keywords
- nickel phosphide, hydrogen evolution reaction, non-noble metal electrocatalysts, superaerophobic surfaces, Ni foam substrate, basic electrolyte, bubble release, gas evolution, hydrogen production, catalyst stability
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