Encyclopedia of Applied Electrochemistry

2014 Edition
| Editors: Gerhard Kreysa, Ken-ichiro Ota, Robert F. Savinell

Anodic Reactions in Electrocatalysis - Methanol Oxidation

Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6996-5_405

Introduction

The electrocatalytic oxidation of methanol has gained much interest over a number of years, because it is the simplest alcohol which can be completely oxidized to carbon dioxide in a Direct Methanol Fuel Cell (DMFC) [1, 2, 3], thus providing the maximum energy densities (6.1 kWh kg−1 or 4.8 kWh dm−3). The great advantage of a DMFC is that methanol is a liquid fuel, thus more easily handled and stored than hydrogen. Moreover, methanol is produced in great quantity from natural gas (NG) by methane steam reforming (MSR) at a low cost (∼0.2 US$ l−1) so that it is a key product in the chemical industry. Its toxicity is relatively low and its boiling point (∼65 °C) makes it liquid for most utilization. The development of Proton Exchange Membrane (PEM) led to great simplification of DMFC by avoiding a fuel processor which provides a reformate gas with a low concentration of CO (<10 ppm; otherwise, it may strongly poison the platinum-based electrode catalysts used). Due to system...

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Institut Européen des MembranesUniversité Montpellier 2, UMR CNRS n° 5635MontpellierFrance