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- W3028872020 abstract "To substitute precious metal with non-precious electrocatalysts, that can work efficiently, still remains a great challenge. Herein, we fabricated the series of nitrogen doped carbon (NC) and CoFe-NC core–shell architectures to produce dual-functionality towards oxygen reduction/evolution reactions and ultimately for Zn-air battery. The addition of NC tends to prevent the reduction of Co/Fe nanoparticles during pyrolysis which not only provide improved catalytic sites but also boost the specific surface area, graphitization degree, electron and mass transfer capacity. With distinctive core–shell morphology, the as-synthesized CoFe-NC/NC shows superior OER performance with low overpotential (270 mV) than IrO2 (340 mV) at 10 mA cm−2 and nearly close ORR activity with respect to Pt/C. When fabricated as zinc-air battery application, CoFe-NC/NC shows 58 mW cm−2 higher peak power density than that of air-cathodes made of Pt/C and IrO2. Further, our catalyst shows good durability due to the synergistic effect of Fe/Co and NC shell." @default.
- W3028872020 created "2020-06-05" @default.
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- W3028872020 date "2020-10-01" @default.
- W3028872020 modified "2023-10-16" @default.
- W3028872020 title "Nano-engineering of prussian blue analogues to core-shell architectures: Enhanced catalytic activity for zinc-air battery" @default.
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- W3028872020 doi "https://doi.org/10.1016/j.jcis.2020.05.071" @default.
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