期刊
JOURNAL OF POWER SOURCES
卷 363, 期 -, 页码 20-26出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2017.07.058
关键词
Niobium carbide; Electrocatalyst support; Proton exchange membrane fuel cell; Oxygen reduction reaction; Electrospinning
资金
- Johnson Matthey Fuel Cells
- Centre National de la Recherche Scientifique
- European Research Council under the European Union [306682]
- European Research Council (ERC) [306682] Funding Source: European Research Council (ERC)
Niobium carbide/carbon nanotubular porous structures have been prepared using electrospinning and used as electrocatalyst supports for proton exchange membrane fuel cells. They were functionalised with 3.1 nm Pt particles synthesised by a microwave-assisted polyol method and characterised for their electrochemical properties. The novel NbC-based electrocatalyst demonstrated electroactivity towards the oxygen reduction reaction as well as greater stability over high potential cycling than a commercial carbon-based electrocatalyst. Pt/Nbc/c was integrated at the cathode of a membrane electrode assembly and characterised in a single fuel cell showing promising activity and power density. (C) 2017 Elsevier B.V. All rights reserved.
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