NDLI: Development of fuel cell electrocatalysts based on poly ( 3 , 4-ethylenedioxythiophene ) ( PEDOT )-modified Pt / metallic particles composite film : electrochemical and surface studies

Content Provider	Semantic Scholar
Author	Morenos, Lei Angeli S. Garcia, Jonyl L. Lapitan, Lorico D. S. Fulo, Harris M. Tongol, Bernard John V.
Copyright Year	2013
Abstract	In this work, platinum (Pt) particles were electrochemically deposited on poly(3,4ethylenedioxythiophene) (PEDOT) by cyclic voltammetry. The substrate effect on polymer growth as well as the dispersion of Pt particles were compared by using polycrystalline (pc) Pt and Pt(111) single crystal electrode as substrates. The electrocatalytic activity of the Pt catalysts towards ethanol electro-oxidation was studied and compared to each other. It was found that among the different electrocatalyst systems, PEDOT-modified pc Pt with Pt particles exhibited the highest electrocatalytic activity towards the electro-oxidation of 1.0 M ethanol in 0.10 M sulfuric acid. On the other hand, surface morphology of these electrocatalyst systems were studied using Scanning Electron Microscopy (SEM) while the presence of dispersed Pt particles was confirmed using Energy Dispersive X-ray Spectroscopy (EDX).
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.ust.edu.ph/wp-content/uploads/2016/07/20115901-09_TongolBJV.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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