Advanced Materials, Vol.24, No.41, 5593-5597, 2012
Nitrogen-Doped Carbon Nanocages as Efficient Metal-Free Electrocatalysts for Oxygen Reduction Reaction
Metal-free ORR Electrocatalysts: N-doped carbon nanocages (NCNCs) with large specific surface areas of up to 1393 m(2) g(-1), which demonstrate excellent ORR performance with high activity, are produced for the first time. Without the interference of any ORR-active metal impurities in NCNCs, the experimental results confirm that the ORR activity originates from the N-doped carbon species.
Keywords:metal-free electrocatalysts;oxygen reduction reaction;nitrogen-doped carbon nanocages;high specific surface area;fuel cells