A heterogeneous nucleation strategy is used to synthesize a NiFe oxygen evolution reaction catalyst for anion exchange membrane water electrolysis. The resulting catalyst has high electrochemical activity and achieves a stable performance for over 21 months owing to a dense interlayer, which anchors the catalytic layer to the metal substrate.
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References
Li, D. et al. Highly quaternized polystyrene ionomers for high performance anion exchange membrane water electrolysers. Nat. Energy 5, 378–385 (2020). A comprehensive study to introduce the AEM-WE using an ionomer to improve its performance.
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Kim, Y. S. Scalable Elastomeric Membranes for Alkaline Water Electrolysis (US Department of Energy, 2019); https://www.hydrogen.energy.gov/docs/hydrogenprogramlibraries/pdfs/p159_kim_2020_p.pdfThis report states the US Department of Energy target for AEM-WE performance.
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This is a summary of: Li, Z. et al. Seed-assisted formation of NiFe anode catalysts for anion exchange membrane water electrolysis at industrial-scale current density. Nat. Catal. https://doi.org/10.1038/s41929-024-01209-1 (2024).
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A structured catalyst for anion exchange membrane water electrolysis. Nat Catal 7, 866–867 (2024). https://doi.org/10.1038/s41929-024-01210-8
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DOI: https://doi.org/10.1038/s41929-024-01210-8
