Trends in the Exchange Current for Hydrogen Evolution
Jens K. Nørskov, Thomas Bligaard, Áshildur Logadóttir, John R. Kitchin, J. G. Chen, Stanislav Pandelov, Ulrich Stimming
Journal of The Electrochemical Society · 2005 · 6,111 citationsOpen access
Abstract
A density functional theory database of hydrogen chemisorption energies on close packed surfaces of a number of transition and noble metals is presented. The bond energies are used to understand the trends in the exchange current for hydrogen evolution. A volcano curve is obtained when measured exchange currents are plotted as a function of the calculated hydrogen adsorption energies and a simple kinetic model is developed to understand the origin of the volcano. The volcano curve is also consistent with Pt being the most efficient electrocatalyst for hydrogen evolution. © 2005 The Electrochemical Society. All rights reserved.
Cite this paper
Nørskov, J. K., Bligaard, T., Logadóttir, Á., Kitchin, J. R., Chen, J. G., Pandelov, S., & Stimming, U. (2005). Trends in the exchange current for hydrogen evolution. Journal of The Electrochemical Society, 152(3), J23. https://doi.org/10.1149/1.1856988
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