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(2020)
摘要
•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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关键词
Fe–Nx active sites,Oxygen reduction catalyst,Zn-air battery,Fuel cell
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