Electrocatalysis in confined space |
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| Authors: | Corina Andronescu Justus Masa Richard D Tilley John J Gooding Wolfgang Schuhmann |
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| Institution: | 1. Technical Chemistry III and CENIDE, Faculty of Chemistry, University Duisburg-Essen, Universitätsstr. 7, D-45141, Essen, Germany;2. Max Planck Institute for Chemical Energy Conversion, Stiftstrasse 34-36, D-45470, Mülheim an der Ruhr, Germany;3. School of Chemistry, The University of New South Wales, Sydney, NSW, 2052, Australia;4. Mark Wainwright Analytical Centre, The University of New South Wales, Sydney, NSW, 2052, Australia;5. Australian Centre for NanoMedicine, The University of New South Wales, Sydney, NSW 2052, Australia;6. Analytical Chemistry – Center for Electrochemical Sciences (CES), Faculty of Chemistry and Biochemistry, Ruhr University Bochum, Universitätsstr. 150, D-44780, Bochum, Germany |
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| Abstract: | The complex interplay of restricted mass transport leading to local accumulation or depletion of educts, intermediates, products, counterions and co-ions influences the reactions at the active sites of electrocatalysts when electrodes are rough, three-dimensionally mesoporous or nanoporous. This influence is important with regard to activity, and even more to selectivity, of electrocatalytic reactions. The underlying principles are discussed based on the growing awareness of these considerations over recent years. |
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| Keywords: | Electrocatalysis Confinement Selectivity Oxygen reduction reaction |
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