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Electrocatalytic Oxidation of Ethylene Glycol at Pt/Nanosized MO x /GC Composite Electrodes: SnO 2 in Comparison to CeO 2 and WO 3
Author(s) -
ElShafei A. A.,
Ibrahim A. A.,
Ouf A. M. A.
Publication year - 2014
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.201300536
Subject(s) - ethylene glycol , glassy carbon , electrode , metal , oxide , materials science , inorganic chemistry , platinum , transition metal , carbon fibers , composite number , nuclear chemistry , electrochemistry , chemistry , catalysis , cyclic voltammetry , metallurgy , organic chemistry , composite material
Stable metal oxides insoluble in acidic medium have been prepared and characterized. The influence of the type of metal oxide (MO x ) on the activity of Pt towards ethylene glycol oxidation in acidic medium has been examined. All modified Pt/MO x /glassy carbon (GC) electrodes exhibited a better activity compared to Pt/GC. While Pt/SnO 2 /GC electrode exhibited the highest activity, Pt/CeO 2 /GC revealed the best tolerance against poisoning process.