The DOI matches its Crossref record; 57 of the 57 references it cites were found in a registry or an index.
Seed-assisted formation of NiFe anode catalysts for anion exchange membrane water electrolysis at industrial-scale current density
Open accessAbstract
Alkaline oxygen evolution reaction is critical for green hydrogen production from water electrolysis but encounters great challenges when operated at industry-required ampere-scale current densities, such as insufficient mass transfer, reduced catalytic activity and limited lifetimes. Here we develop a one-step seed-assisted heterogeneous nucleation method (25 °C, 24 h) for producing a nickel–iron-based electrocatalyst (CAPist-L1, where CAP refers to the centre of artificial photosynthesis) for robust oxygen evolution reaction at ≥1,000 mA cm−2. Based on the insoluble nanoparticles in the heterogeneous nucleation system, a dense interlayer is formed that anchors the catalyst layer tightly on the substrate, ensuring stable long-term durability of 15,200 h (>21 months) in 1 M KOH at 1,000 mA cm−2. When applying CAPist-L1 as the anode catalyst in practical anion exchange membrane water electrolysis, it delivers a high activity of 7,350 mA cm−2 at 2.0 V and good stability at 1,000 mA cm−2 for 1,500 h at 80 °C. Anion exchange membrane water electrolysis is a promising technology for H2 production using precious metal-free catalysts, but certain hurdles persist for its broad deployment such as the operational stability of its anode catalyst. Now a seed-assisted heterogeneous nucleation method is put forward to prepare a NiFe catalyst with high activity and a stability of over 21 months at 1 A cm−2.
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Cites
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Metadata
- Authors
- Li, Z., Lin, G., Wang, L., Lee, H., Du, J., Tang, T., Ding, G., Ren, R., Li, W., Cao, X., Ding, S., Ye, W., Yang, W., & Sun, L.
- Venue
- Nature Catalysis
- Published
- 2024-08-13
- Volume
- 7
- Issue
- 8
- Pages
- 944-952
- ISSN
- 2520-1158 (ISSN-L)
- OpenAlex
- W4401547769
- Cited by
- 440
- References
- 57
- FWCI
- 29.07
- Type
- journal article
- Language
- en
- Open access
- green
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- Li, Z., Lin, G., Wang, L., Lee, H., Du, J., Tang, T., Ding, G., Ren, R., Li, W., Cao, X., Ding, S., Ye, W., Yang, W., & Sun, L. (2024). Seed-assisted formation of NiFe anode catalysts for anion exchange membrane water electrolysis at industrial-scale current density. Nature Catalysis. https://doi.org/10.1038/s41929-024-01209-1
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