Interface engineering of the Ni(OH)2-Ni3N nanoarray heterostructure for the alkaline hydrogen evolution reaction

被引：106

作者：

Gao, Min ^{[1
]}

Chen, Lanlan ^{[1
]}

Zhang, Zhenhua ^{[1
]}

Sun, Xuping ^{[2
]}

Zhang, Shusheng ^{[1
]}

机构：

[1] Linyi Univ, Sch Chem & Chem Engn, Shandong Prov Key Lab Detect Technol Tumor Marker, Linyi 276006, Shandong, Peoples R China

[2] Sichuan Univ, Coll Chem, Chengdu 610064, Sichuan, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2018年 / 6卷 / 03期

基金：

中国国家自然科学基金;

关键词：

NICKEL NITRIDE; ROBUST ELECTROCATALYST; NANOSHEETS ARRAY; NANOWIRE ARRAYS; WATER; CATHODE; PERFORMANCE; CATALYSTS; PHOSPHIDE; CARBON;

D O I：

10.1039/c7ta08907d

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：

It is highly attractive but challenging to design and develop noble-metal-free catalysts with outstanding electrocatalytic activity for the hydrogen evolution reaction (HER) in alkaline media. In this work, we demonstrate the development of Ni(OH)(2)-Ni3N nanoarrays on Ti mesh (Ni(OH)(2)-Ni3N/TM) as a three-dimensional (3D) HER catalyst in alkaline solutions. Due to the heterostructure from interface engineering, Ni(OH)(2)-Ni3N/TM shows excellent alkaline HER activity only requiring an overpotential of 72 mV to deliver the current density of 20 mA cm(-2) in 1.0 M KOH. Such an electrocatalyst also exhibits long-term electrochemical durability maintaining its activity for at least 25 h.

引用

页码：833 / 836

页数：4

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