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      Metal-free doped carbon materials as electrocatalysts for the oxygen reduction reaction

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          Nitrogen-Doped Ordered Mesoporous Graphitic Arrays with High Electrocatalytic Activity for Oxygen Reduction

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            Sulfur-doped graphene as an efficient metal-free cathode catalyst for oxygen reduction.

            Tailoring the electronic arrangement of graphene by doping is a practical strategy for producing significantly improved materials for the oxygen-reduction reaction (ORR) in fuel cells (FCs). Recent studies have proven that the carbon materials doped with the elements, which have the larger (N) or smaller (P, B) electronegative atoms than carbon such as N-doped carbon nanotubes (CNTs), P-doped graphite layers and B-doped CNTs, have also shown pronounced catalytic activity. Herein, we find that the graphenes doped with the elements, which have the similar electronegativity with carbon such as sulfur and selenium, can also exhibit better catalytic activity than the commercial Pt/C in alkaline media, indicating that these doped graphenes hold great potential for a substitute for Pt-based catalysts in FCs. The experimental results are believed to be significant because they not only give further insight into the ORR mechanism of these metal-free doped carbon materials, but also open a way to fabricate other new low-cost NPMCs with high electrocatalytic activity by a simple, economical, and scalable approach for real FC applications. © 2011 American Chemical Society
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              Exploration of the active center structure of nitrogen-doped graphene-based catalysts for oxygen reduction reaction

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                Author and article information

                Journal
                JMCAET
                J. Mater. Chem. A
                J. Mater. Chem. A
                Royal Society of Chemistry (RSC)
                2050-7488
                2050-7496
                2014
                2014
                : 2
                : 12
                : 4085-4110
                Article
                10.1039/C3TA14043A
                © 2014
                Product
                Self URI (article page): http://xlink.rsc.org/?DOI=C3TA14043A

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