Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 203, Issue -, Pages 889-898Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2016.10.084
Keywords
Iron; Nitrogen; Sulfur; Mesoporous carbon; Oxygen reduction reaction
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2016R1A2B2016033]
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Many alternatives to typical Pt-based catalysts have been developed to enhance oxygen reduction reaction (ORR) performance in acid medium due to their scarcity and high activation loss during the ORR. We synthesized mesoporous carbon nanostructures with multi-dopants such as iron, nitrogen, and sulfur as a cathode catalyst using the ordered silica templates and porphyrinic iron. The co-doped mesoporous carbon cathode catalysts exhibited a high ORR performance in an acid medium, i.e. complete ORR process and improved durability. The enhanced ORR properties of the catalysts might be ascribed to iron containing catalytic active sites surrounded by nitrogen/sulfur species and a well-defined mesoporous carbon nanostructure. (C) 2016 Elsevier B.V. All rights reserved.
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