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In this study, by using thiocyanate as an iron ion dispersing agent, the pinning effect of thiocyanate ion (SCN−) enables the high dispersion of Fe3+ in a nitrogen-doped carbon polymer and significantly promotes ORR catalysis in both acidic and alkaline media. It shows 47.3 A g−1 kinetic ORR current density in 0.1 M H2SO4 solution at 0.8 V vs. RHE. In addition, SCN− can dope into the base material...
Two NiCo2O4 bimetallic oxides were synthesized via a facile hydrothermal method. SEM and TEM observations show that these materials have three-dimensional (3D) dandelion-like (DL) and flower-like (FL) morphologies. Their large specific surface areas (90.68 and 19.8 m2·g−1) and porous structures provide many active sites and effective transport pathways for the oxygen reduction reaction (ORR). Electrochemical...
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