Trends in the exchange current for hydrogen evolution

J. K. Nørskov; T. Bligaard; A. Logadottir; J. R. Kitchin; J. G. Chen; S. Pandelov; U. Stimming

doi:10.1149/1.1856988

Trends in the exchange current for hydrogen evolution

J. K. Nørskov
, T. Bligaard
, A. Logadottir
, J. R. Kitchin
, J. G. Chen
, S. Pandelov
, U. Stimming

Department of Physics

Technical University of Denmark
University of Delaware College of Engineering
Technical University of Munich

Research output: Contribution to journal › Article › peer-review

5334 Scopus citations

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.

Original language	English
Pages (from-to)	J23-J26
Journal	Journal of the Electrochemical Society
Volume	152
Issue number	3
DOIs	https://doi.org/10.1149/1.1856988
State	Published - 2005

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SDG 7 Affordable and Clean Energy

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10.1149/1.1856988

Cite this

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AU - Chen, J. G.

AU - Pandelov, S.

AU - Stimming, U.

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AB - 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.

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Trends in the exchange current for hydrogen evolution

Abstract

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