Publication Details

Wang, S., Yan, X., Wu, K., Chen, X., Feng, J., Lu, P., Feng, H., Cheng, H., Liang, J. & Dou, S. Xue. (2019). A hierarchical porous Fe-N impregnated carbon-graphene hybrid for high-performance oxygen reduction reaction. Carbon, 144 798-804.


A Fe-N impregnated carbon in a hybrid with in-situ grown graphene from hierarchical porous carbon has been obtained for high-performance oxygen reduction reaction (ORR) catalysis. This hybrid material combines the desirable characteristics for the ORR, including Fe-N active sites, high surface area, good electron conductivity, and hierarchical channels for mass diffusion. As a result, this catalyst exhibits a very positive reaction onset potential ( 0.05 V vs. Ag/AgCl), a high ORR current density, and a complete four-electron ORR pathway, which are even better than a commercial 20% Pt/C catalyst. We further reveal the synergistic ORR enhancement from the controlled Fe-N impregnation in the doped carbon-graphene hybrid

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