Nanostructured Nickel Phosphide as an Electrocatalyst for the Hydrogen Evolution Reaction

被引：2639

作者：

Popczun, Eric J. ^{[1
,2
]}

McKone, James R. ^{[3
]}

Read, Carlos G. ^{[1
,2
]}

Biacchi, Adam J. ^{[1
,2
]}

Wiltrout, Alex M. ^{[1
,2
]}

Lewis, Nathan S. ^{[3
]}

Schaak, Raymond E. ^{[1
,2
]}

机构：

[1] Penn State Univ, Dept Chem, University Pk, PA 16802 USA

[2] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA

[3] CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2013年 / 135卷 / 25期

基金：

美国国家科学基金会;

关键词：

ACTIVE EDGE SITES; MOS2; ELECTRODES; NI2P(001); CATALYSTS; SURFACE; PLANET; NI2P;

D O I：

10.1021/ja403440e

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nanoparticles of nickel phosphide (Ni2P) have been investigated for electrocatalytic activity and stability for the hydrogen evolution reaction (HER) in acidic solutions, under which proton exchange membrane-based electrolysis is operational. The catalytically active Ni2P nanoparticles were hollow and faceted to expose a high density of the Ni2P(001) surface, which has previously been predicted based on theory to be an active HER catalyst. The Ni2P nanoparticles had among the highest HER activity of any non-noble metal electrocatalyst reported to date, producing H-2(g) with nearly quantitative faradaic yield, while also affording stability in aqueous acidic media.

引用

页码：9267 / 9270

页数：4

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