Extremely Stable Platinum-Amorphous Carbon Electrocatalyst within Hollow Graphitized Carbon Nanofibers for the Oxygen Reduction Reaction

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2016_ADVANCED_MATERIALS.pdf (14.14 MB)
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URI: http://hdl.handle.net/10347/32210
ISSN: 0935-9648
E-ISSN: 1521-4095
DOI: 10.1002/adma.201602485

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2016-08

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Wiley
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Abstract

Unprecedented electrochemical stabilization of platinum nanoparticles (PtNPs) is presented, upon insertion into shortened hollow graphitized carbon nanofibers (PtNP@S-GNF) toward the oxygen-reduction reaction for fuel-cell applications. In contrast to that observed for a commercial Pt/C electrocatalyst, the specific activity and the electrochemical surface area for PtNP@S-GNF remain practically unchanged during durability tests after 50 000 potential cycles, allowing the sustainable use of Pt.

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Platinum nanoparticles| Graphitised carbon nanofibers| Nanotubes| Electrocatalysts| Oxygen reduction reaction

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Gimenez-Lopez, M.C, Kurtoglu, A., Walsh, D.A., Khlobystov, A.N. (2016). Extremely Stable Platinum-Amorphous Carbon Electrocatalyst within Hollow Graphitized Carbon Nanofibers for the Oxygen Reduction Reaction. "Advanced Materials".vol. 28, 9103-9108

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This work was supported by the Royal Society (RG110291 and DH110080 for M.C.G), the Turkish government (PhD studentship for A.K.), the European Research Council (StG-277784 for A.N.K. and StG-679124 for M.C.G). The authors acknowledge the Nanoscale & Microscale Research Centre (NMRC) at the University of Nottingham for access to transmission electron microscopy facilities.

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Attribution-NonCommercial-NoDerivatives 4.0 Internacional

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Química Inorgánica