New insights on the electrochemical oxidation of ethanol on carbon-supported Pt electrode by a novel electrochemical mass spectrometry configuration

Herein, we demonstrate the versatility and high sensitivity of the meniscus-based approach of a novel on-line electrochemical mass spectrometry (EC-MS) by studying the formation of gaseous/volatile products during ethanol oxidation on carbon-supported Pt electrode. In this way, methane is detected f...

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Bibliographic Details
Published in:Electrochemistry communications 2016-02, Vol.63, p.48-51
Main Authors: Guillén-Villafuerte, Olmedo, García, Gonzalo, Arévalo, Ma Carmen, Rodríguez, José Luis, Pastor, Elena
Format: Article
Language:English
Subjects:
Carbon dioxide
EC-MS
Ethanol electrooxidation
Fuel cells
Methane
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Summary:Herein, we demonstrate the versatility and high sensitivity of the meniscus-based approach of a novel on-line electrochemical mass spectrometry (EC-MS) by studying the formation of gaseous/volatile products during ethanol oxidation on carbon-supported Pt electrode. In this way, methane is detected for the first time during ethanol adsorption at this electrode. Accordingly, new insights on the ethanol oxidation reactions are achieved. [Display omitted] •A new configuration of an electrochemical mass spectrometry (EC-MS) was developed.•The electrooxidation of ethanol on technical carbon-supported Pt (Pt/C) catalyst was studied.•Methane formation during the positive sweep potential is reported for the first time.•A complete reaction mechanism for the ethanol oxidation on Pt/C was carried out.
ISSN:1388-2481
1873-1902
DOI:10.1016/j.elecom.2015.12.007