Issue 25, 2012

Nanoporous nitrogen doped carbon modified graphene as electrocatalyst for oxygen reduction reaction

Abstract

Nanoporous nitrogen doped carbon was used to modify the surfaces of graphene sheets by carbonizing a mixture of graphene oxide and phenol–melamine–formaldehyde (PMF) pre-polymer in the presence of a soft template (F127). The resulting graphene based composite sheets (G-PMFs) have a sandwich structure with one graphene layer and two nanoporous nitrogen-doped carbon layers. G-PMFs have large specific surface areas of 190 to 630 m2 g−1 and exhibited high electrocatalytic activity, good durability and high selectivity for the oxygen reduction reaction. The performance of the Zn–air fuel cell with a G-PMF anode was tested and found to be comparable to that of the Zn–air cell with a commercial Pt/C anode. Thus, these metal-free catalysts are promising for applications in practical fuel cells.

Graphical abstract: Nanoporous nitrogen doped carbon modified graphene as electrocatalyst for oxygen reduction reaction

Supplementary files

Article information

Article type
Paper
Submitted
12 Mar 2012
Accepted
30 Apr 2012
First published
30 Apr 2012

J. Mater. Chem., 2012,22, 12810-12816

Nanoporous nitrogen doped carbon modified graphene as electrocatalyst for oxygen reduction reaction

Y. Sun, C. Li and G. Shi, J. Mater. Chem., 2012, 22, 12810 DOI: 10.1039/C2JM31525D

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