Trends in the exchange current for hydrogen evolution

被引：3786

作者：

Norskov, JK ^{[1
]}

Bligaard, T

Logadottir, A

Kitchin, JR

Chen, JG

Pandelov, S

Norskov, JK ^{[1
]}

机构：

[1] Tech Univ Denmark, Dept Phys, Ctr Atom Scale Mat Phys, DK-2800 Lyngby, Denmark

[2] Univ Delaware, Dept Chem Engn, Newark, DE 19716 USA

[3] Tech Univ Munich, Dept Phys, D-85748 Garching, Germany

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2005年 / 152卷 / 03期

关键词：

D O I：

10.1149/1.1856988

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

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. (c) 2005 The Electrochemical Society. [DOI: 10.1149/1.1856988] All rights reserved.

引用

页码：J23 / J26

页数：4

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