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- W3131900893 abstract "The exploitation of high-efficiency, inexpensive, as well as durable electrocatalysts for the oxygen reduction reaction (ORR) is of vital importance for the commercialization of fuel cells. In this study, we prepared an efficient non-precious ORR electrocatalyst via high-gravity technology. The results of physical characterization revealed that the Fe atoms could be uniformly dispersed on the Fe/Co/N-MCF catalyst via the high-gravity technology. The X-ray photoelectron spectroscopy demonstrated that the Fe can be combined with N from the ZIF-67 to form the Fe-Nx structures, which has already been confirmed to be acted as validly ORR active sites. The electrochemical testing results showed that the Fe/Co/N-MCF catalyst obtained via high gravity technology expressed a 24 mV positive than commercial Pt/C in terms of half-wave potential. Moreover, Fe/Co/N-MCF catalyst exhibited an excellent anti-ethanol activity and durability, its current density only decays 2.6%, far lower than 23.3% of commercial Pt/C after 10,000 s chronoamperometry aging test." @default.
- W3131900893 created "2021-03-01" @default.
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- W3131900893 date "2021-02-09" @default.
- W3131900893 modified "2023-10-13" @default.
- W3131900893 title "Bimetallic Fe and Co supported on the N‐doped mesoporous carbon frameworks with enhanced oxygen reduction reaction performance via high‐gravity technology" @default.
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- W3131900893 doi "https://doi.org/10.1002/jccs.202000572" @default.
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