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http://dx.doi.org/10.5229/JKES.2012.15.4.264

Synthesis and Study of Pt/MWCNTs Catalysts by Using Microwave Assisted Polyol Method for PEM Fuel Cells  

Lee, Tae Kyu (School of Chemical Engineering and Bioengineering, University of Ulsan)
Hur, Seung Hyun (School of Chemical Engineering and Bioengineering, University of Ulsan)
Publication Information
Journal of the Korean Electrochemical Society / v.15, no.4, 2012 , pp. 264-269 More about this Journal
Abstract
In this study, highly loaded(50 wt%) and very stable Pt/MWCNT catalysts for Polymer Electrolyte Membrane Fuel Cells(PEMFCs) are synthesized in short time scale by microwave assisted polyol method with different microwave irradiation time. The XRD and TEM results show that the Pt size becomes bigger as the microwave irradiation time increases. The mean Pt sizes of fabricated catalysts are 4.1, 4.9 and 8.5 nm when the microwave are irradiated for 10, 20 and 30 min, respectively. When compared with Pt catalyst made by conventional polyol method, it shows better long term durability due to the better Pt dispersion on the MWCNT surface.
Keywords
Platinum catalyst; Carbon Nanotube; Microwave; Durability;
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