Hierarchically open-porous carbon networks enriched with exclusive Fe–Nx active sites as efficient oxygen reduction catalysts towards acidic H2–O2 PEM fuel cell and alkaline Zn–air battery
Chemical Engineering Journal, pp. 1244792020.
Fe–Nx active sitesOxygen reduction catalystZn-air batteryFuel cell
•Well-defined open-porous carbon networks are prepared with g-C3N4 and ZIF-8 as precursors.•High fraction of Fe–Nx and hierarchical porosity boost oxygen reduction reaction.•The material exhibited an excellent performance in both acidic H2–O2 PEM fuel cell and alkaline Zn–air battery.
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