Proceedings of September Meeting 2016 (NFM16)
Publication date: 14th June 2016
So far most electrocatalyst has been designed only based on reactivity of the surface. This single parameter is not sufficient to optimize the activity and selectivity. This means that activities and selectivity can only be optimized to a certain point. The activity as function of the surface reactivity is often represented in volcano curves. Electrocatalytic activity and selectivity is ultimately determined by the atomic and electronic structure of the catalyst surface. By controlling the atomic structure of the catalyst surface it is possible provide more parameters besides the reactivity to tune activity and selectivity beyond the normal limits. I will show some examples on atomic scale design of special electrocatalytic sites for oxygen evolution and oxygen reduction for better selectivity and activity.
Enhancing Activity for the Oxygen Evolution Reaction: The Beneficial Interaction of Gold with Manganese and Cobalt Oxides, Frydendal, Rasmus; Busch, Michael; Halck, Niels B.; et al. CHEMCATCHEM 7, 149-154 (2015)
Beyond the volcano limitations in electrocatalysis - oxygen evolution reaction, Halck, Niels Bendtsen; Petrykin, Valery; Krtil, Petr; et al. PCCP 16, 13682-13688 (2014)
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