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- W4381943566 abstract "Designing Pt-based electrocatalysts with high catalytic activity and CO tolerance is challenging but extremely desirable for alkaline hydrogen oxidation reaction. Herein we report the design of a series of single-atom lanthanide (La, Ce, Pr, Nd, and Lu)-embedded ultrasmall Pt nanoclusters for efficient alkaline hydrogen electro-oxidation catalysis based on vapor filling and spatially confined reduction/growth of metal species. Mechanism studies reveal that oxophilic single-atom lanthanide species in Pt nanoclusters can serve as the Lewis acid site for selective OH- adsorption and regulate the binding strength of intermediates on Pt sites, which promotes the kinetics of hydrogen oxidation and CO oxidation by accelerating the combination of OH- and *H/*CO in kinetics and thermodynamics, endowing the electrocatalyst with up to 14.3-times higher mass activity than commercial Pt/C and enhanced CO tolerance. This work may shed light on the design of metal nanocluster-based electrocatalysts for energy conversion." @default.
- W4381943566 created "2023-06-26" @default.
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- W4381943566 date "2023-06-24" @default.
- W4381943566 modified "2023-10-13" @default.
- W4381943566 title "Embedding oxophilic rare-earth single atom in platinum nanoclusters for efficient hydrogen electro-oxidation" @default.
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- W4381943566 doi "https://doi.org/10.1038/s41467-023-39475-5" @default.
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