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• W3160139537 endingPage "120314" @default.
• W3160139537 startingPage "120314" @default.
• W3160139537 abstract "Herein, a CoFe@Fe 3 N hybrid embedded into N-doped carbon nanotube has been prepared successfully by heat-treatment of CoFe 2 O 4 using a simple chemical vapor deposition method. Impressively, the as-prepared CoFe@Fe 3 N-CNT catalyst manifests an outstanding catalytic activity and stability towards the oxygen reduction reaction (ORR), as demonstrated by an ultrahigh half-wave potential (E 1/2 ) of 0.936 V, which is the best ORR spinel-based catalysts. Furthermore, it also showed a high-power density of 173.6 mW cm −2 and open circuit voltage of 1.534 V as an air cathode for rechargeable zinc-air batteries. • A pea-like catalyst is developed by chemical vapor deposition method. • It shows excellent ORR activity, which is one of the best performances. • The property is due to the defect and interface electronic interaction. Engineering of defect and interface are two effective strategies to regulate the electronic structure and electrocatalytic activities. However, integrated the synergistic effect of carbon/oxygen defects and interfacial effects into spinel derivatives to dramatically improve the electrocatalytic property has not been studied up till now. Herein, a CoFe@Fe 3 N hybrid embedded into N-doped carbon nanotube has been prepared by heat-treatment of CoFe 2 O 4 using a simple chemical vapor deposition method. Impressively, the as-prepared CoFe@Fe 3 N-CNT catalyst manifests a prominent stability and catalytic performance towards the oxygen reduction reaction (ORR), as demonstrated by an ultrahigh half-wave potential (E 1/2 ) of 0.936 V, which is the best ORR spinel-based catalysts. Furthermore, it was assembled into a rechargeable ZAB, which showed a high-power density of 173.6 mW cm −2 and an open circuit voltage of 1.534 V. The enhanced electrochemical performances are primarily due to the synergistic effect of carbon-oxygen double defects and interfacial electronic structure modulation." @default.
• W3160139537 created "2021-05-24" @default.
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• W3160139537 date "2021-10-01" @default.
• W3160139537 modified "2023-09-30" @default.
• W3160139537 title "Unraveling the synergistic effect of defects and interfacial electronic structure modulation of pealike CoFe@Fe3N to achieve superior oxygen reduction performance" @default.
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• W3160139537 doi "https://doi.org/10.1016/j.apcatb.2021.120314" @default.
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