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Issue 25, 2012
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Nanoporous nitrogen doped carbon modified graphene as electrocatalyst for oxygen reduction reaction

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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

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Publication details

The article was received on 12 Mar 2012, accepted on 30 Apr 2012 and first published on 30 Apr 2012


Article type: Paper
DOI: 10.1039/C2JM31525D
Citation: J. Mater. Chem., 2012,22, 12810-12816
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    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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