Nanostructured Nickel Phosphide as an Electrocatalyst for the Hydrogen Evolution Reaction
Open accessAbstract
Nanoparticles of nickel phosphide (Ni2P) have been investigated for electrocatalytic activity and stability for the hydrogen evolution reaction (HER) in acidic solutions, under which proton exchange membrane-based electrolysis is operational. The catalytically active Ni2P nanoparticles were hollow and faceted to expose a high density of the Ni2P(001) surface, which has previously been predicted based on theory to be an active HER catalyst. The Ni2P nanoparticles had among the highest HER activity of any non-noble metal electrocatalyst reported to date, producing H2(g) with nearly quantitative faradaic yield, while also affording stability in aqueous acidic media.
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Bimetal alloys and their derivatives (e.g., sulphides and phosphides) usually have better catalytic performance for the HER than for the OER.
“In contrast, bimetal alloys and their derivatives (e.g., sulphides and phosphides) usually have better catalytic performance for the HER than for the OER.21–23”
From Tunable CoFe-based active sites on 3D heteroatom doped graphene aerogel electrocatalysts <i>via</i> annealing gas regulation for efficient water splitting (2018) · cites this paper as [21]
The Abstract identifies nickel alloys, MoS₂ and nickel phosphide as active HER catalysts. It does not compare their HER performance with OER performance or establish that bimetal alloys and their derivatives usually perform better for HER than OER. (LLM, conf=0.88)
Experimental — accuracy not yet measuredThe HER overpotential values of Fe/GD and Ni/GD are superior to other earth-abundant HER electrocatalysts such as Ni2P, MoS2, and exfoliated WS2, and compare favorably with noble-metal-based electrocatalysts such as Pt nanowires/single-layered Ni(OH)2.
“The values are superior to other earth-abundant HER electrocatalysts [such as Ni2P (~110 mA cm–2)43, MoS2 (170 mA cm–2)44, and exfoliated WS2 (210 mA cm–2)45], and even compare favorably with noble-metal-based electrocatalysts such as Pt nanowires/single-layered Ni(OH)246.”
From Anchoring zero valence single atoms of nickel and iron on graphdiyne for hydrogen evolution (2018) · cites this paper as [43]
The TOF of Ni/GD and Fe/GD at 100 mV was calculated to be 1.59 and 4.15 s−1, respectively, which is much higher than other reported state-of-the-art electrocatalysts, such as CoP (0.046 s-1) and Ni2P (0.015 s-1).
“The TOF of Ni/GD and Fe/GD at 100 mV were calculated to be 1.59 and 4.15 s−1 (Fig. 5f), respectively, which are much higher than other reported state-of-the-art electrocatalysts, such as CoP (0.046 s–1)47 and Ni2P (0.015 s–1)43 (Supplementary Table 5).”
From Anchoring zero valence single atoms of nickel and iron on graphdiyne for hydrogen evolution (2018) · cites this paper as [43]
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- Authors
- Popczun, E. J., McKone, J. R., Read, C. G., Biacchi, A. J., Wiltrout, A. M., Lewis, N. S., & Schaak, R. E.
- Affiliations
- Pennsylvania State University (US)
- California Institute of Technology (US)
- Corresponding author
- Lewis, Nathan S.
- Schaak, Raymond E.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-06-13
- Volume
- 135
- Issue
- 25
- Pages
- 9267-9270
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2050104692
- Cited by
- 2,911
- References
- 2
- Citations by year
- 2026: 100 · 2025: 96 · 2024: 145 · 2023: 160 · 2022: 176 · 2021: 226 · 2020: 297 · 2019: 347 · 2018: 358 · 2017: 364 · 2016: 280 · 2015: 231 · 2014: 118 · 2013: 12
- FWCI
- 77.71
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Locations
- Journal of the American Chemical Society (publishedVersion, other-oa)
- PubMed (publishedVersion)
- CaltechAUTHORS (California Institute of Technology) (submittedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Materials Science › Materials Chemistry › Hydrogen Storage and Materials
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Keywords
- nickel phosphide, Ni2P nanoparticles, hydrogen evolution reaction, electrocatalysis, non-noble metal catalysts, proton exchange membrane electrolysis, acidic media, catalyst stability, Faradaic efficiency
- MeSH terms
- Catalysis, Hydrogen, Models, Molecular, Nickel, Particle Size, Phosphines, Surface Properties, Nanostructures, Electrochemical Techniques
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