Trends and Descriptors of Metal-Modified Transition Metal Carbides for Hydrogen Evolution in Alkaline Electrolyte

被引：96

作者：

Zhang, Qian ^{[1
]}

Jiang, Zhao ^{[2
]}

Tackett, Brian M. ^{[1
]}

Denny, Steven R. ^{[1
]}

Tian, Boyuan ^{[3
]}

Chen, Xi ^{[4
]}

Wang, Bo ^{[4
]}

Chen, Jingguang G. ^{[1
]}

机构：

[1] Columbia Univ, Dept Chem Engn, New York, NY 10027 USA

[2] Xi An Jiao Tong Univ, Dept Chem Engn, Xian 710049, Shaanxi, Peoples R China

[3] Global Energy Interconnect Res Inst Co Ltd, State Key Lab Adv Transmiss Technol, Beijing 102209, Peoples R China

[4] Global Energy Interconnect Res Inst North Amer, San Jose, CA 95134 USA

来源：

ACS CATALYSIS | 2019年 / 9卷 / 03期

关键词：

hydrogen evolution reaction (HER); transition metal carbides (TMC); density functional theory (DFT); hydroxyl binding energy (OHBE); hydrogen binding energy (HBE); ELECTROCHEMICAL STABILITY; LOW-COST; WIDE PH; ELECTROCATALYSTS; WC; OXIDATION; CARBON; WATER; MOLECULES; EXCHANGE;

D O I：

10.1021/acscatal.8b03990

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, the experimentally measured hydrogen evolution reaction exchange current densities for metal monolayer-modified transition metal carbides (TMCs) are correlated with density functional theory calculations of adsorbed hydrogen and hydroxyl binding energies. The correlation reveals a volcano relationship in alkaline electrolytes, while the hydroxyl binding energy does not appear to show a strong correlation. These results should provide guidance for further improving the electrocatalytic activity of metal modified TMCs in an alkaline environment.

引用

页码：2415 / 2422

页数：15

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