Nanostructured Ni2N thin films magnetron-sputtered on nickel foam as efficient electrocatalyst for hydrogen evolution reaction

被引：23
|
作者：
Ma, Zhiyuan [1 ]
Li, Zhicheng [1 ]
Li, Shuhua [1 ]
Li, Pengfei [1 ]
Zhang, Hong [1 ]
机构：
[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China
来源：
MATERIALS LETTERS | 2018年 / 229卷
基金：
中国国家自然科学基金;
关键词：
Ni2N; Thin films; Magnetron sputtering; Nanocrystalline materials; Water splitting; WATER ELECTROLYSIS; TECHNOLOGIES; PERFORMANCE; NANOSHEETS; NITRIDE; STORAGE; CATHODE;
D O I：
10.1016/j.matlet.2018.07.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nickel-based compounds have shown great potential as electrocatalyst for hydrogen evolution reaction (HER). Here, Ni2N thin film composed of aligned nanorods with surface configuration of diamond-shaped bulges was fabricated on nickel foam by reactive magnetron sputtering. The Ni2N thin film electrode exhibited high electrocatalytic HER performance with a low overpotential of 159 mV at the current density of 10 mA cm(2) in 1 M KOH without iR-correction and was durable in 6 h of chronoamperometry test at an overpotential of 150 mV. This work provides a practical method to enhance the electrocatalytic activity of Ni-based cathode in alkaline water electrolysis. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：148 / 151
页数：4
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