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- W3214602572 abstract "The structurally ordered PtM with surface coating layers strategy has drawn increasing attention. In this work, we synthesize a structurally ordered [email protected] catalyst modified with nitrogen-doped carbon coating layers by confined space annealing strategy. Compared with the current commercial Pt/C catalyst, the structurally ordered [email protected] catalyst shows better catalytic activity and stability. Especially, the mass activity and specific activity of the synthesized [email protected] sample with the optimized poly-dopamine feeding mass content (0.06 g) exhibit 9.95 and 11.53 times higher than that of commercial Pt/C catalyst. In addition, after 20,000 CV cycles, the [email protected] sample achieves the minimum activity loss (7%). The PtFe alloy catalyst with the different thickness NC shell ([email protected]) possesses the enhanced ORR activity and stability owing to the protection of nitrogen carbon shell (NC) and the strong electronic interaction of the ordered PtFe NPs. The improved ORR activity and stability of the structurally ordered [email protected] catalyst provide a promising direction for the development of fuel cells." @default.
- W3214602572 created "2021-11-22" @default.
- W3214602572 creator A5021547859 @default.
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- W3214602572 date "2022-01-01" @default.
- W3214602572 modified "2023-10-12" @default.
- W3214602572 title "Structurally ordered PtFe intermetallic embedded in N-doped carbon as a highly active and durable electrocatalyst for oxygen reduction reaction" @default.
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- W3214602572 doi "https://doi.org/10.1016/j.ijhydene.2021.10.091" @default.
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