Dual Metal-Organic Frameworks-Derived Fe-Atomic Sites Bounded to Fine Fe/Fe C Nanoparticles for Enhanced Oxygen Electroreduction
Chemical Engineering Journal(2022)
Abstract
A nano-composite (Fe/FexC@Fe-N-Cs) decorated with atomically dispersed Fe-N4 and fine Fe/FexC nanoparticles (NPs) was synthesized by a novel strategy via confinement conversion of the pre-designed Fe-MIL-101@ZIF-8 dual-MOF, which shows excellent oxygen reduction reaction (ORR) performance in both alkaline and acidic media resulting from the synergistic catalytic active centers between Fe/FexC NPs and Fe-N4 sites.
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Key words
MOF-on-MOF,Confined conversion,Fe-N4,Fe/FexC NPs,Oxygen reduction
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