Formation of a thin-layer of nickel hydroxide on nickel phosphide nanopillars for hydrogen evolution

被引：32

作者：

Xiong, Kun ^{[1
]}

Huang, Liping ^{[1
]}

Gao, Yuan ^{[1
]}

Zhang, Haidong ^{[1
]}

Zhuo, Yue ^{[1
]}

Shen, Huizhen ^{[1
]}

Wang, Yao ^{[2
]}

Peng, Lishan ^{[2
]}

Wei, Zidong ^{[2
]}

机构：

[1] Chongqing Technol & Business Univ, Minist Educ, Chongqing Key Lab Catalysis & Environm New Mat, Engn Res Ctr Waste Oil Recovery Technol & Equipme, Chongqing 400067, Peoples R China

[2] Chongqing Univ, Sch Chem & Chem Engn, Chongqing Key Lab Chem Proc Clean Energy & Resour, Chongqing 400044, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2018年 / 92卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Nickel hydroxide; Nickel phosphide; Etching; Hydrogen evolution reaction; ALKALINE MEDIA; OXYGEN EVOLUTION; NANOSHEET ARRAY; EFFICIENT; ELECTROCATALYST; STRATEGY; NANOPARTICLES; PERFORMANCE; CATALYSTS; ELECTRODE;

D O I：

10.1016/j.elecom.2018.05.016

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A thin-layer of Ni(OH)(2) was in situ formed on the surface of Ni2P nanopillars (Ni(OH)(2)@Ni2P/E-NF) via a facile hydrothermal treatment in H2O. Ni(OH)(2)@Ni2P/E-NF exhibits superior activity for the hydrogen evolution reaction with an overpotential of only 43 mV to achieve 10 mA cm(-2) and a good durability during the long-term operation in an alkaline medium. The excellent performance of Ni(OH)(2)@Ni2P/E-NF is likely ascribed to the strong interfacial coupling of Ni(OH)(2) and Ni2P, which promotes the dissociation of water and concomitantly converts hydrogen intermediates (Had) to H-2.

引用

页码：9 / 13

页数：5

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