Synthesis and electrocatalytic hydrogen evolution performance of Ni-Mo-Cu alloy coating electrode

被引：95

作者：

Xia, Ming ^{[1
]}

Lei, Ting ^{[1
]}

Lv, Ninglei ^{[1
]}

Li, Nianfeng ^{[2
]}

机构：

[1] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China

[2] Cent S Univ, Xiangya Hosp, Changsha 410008, Hunan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Ni-Mo-Cu coating; Hydrogen evolution reaction; Electrocatalytic activity; Electrolysis; Electrodeposition; ELECTROCHEMICAL DEPOSITION; ALKALINE; KINETICS; CATHODE; MOLYBDENUM; BEHAVIOR; NICKEL;

D O I：

10.1016/j.ijhydene.2014.01.091

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：

Ni-Mo-Cu alloy coating electrode was prepared on copper substrate by constant current electrodeposition and characterized by scanning electron microscopy (SEM) and X-ray diffractometry (XRD). The electrochemical characterization for hydrogen evolution reaction (HER) was investigated by cyclic voltammetry (CV) curves, linear sweep voltammetry (LSV) curves and electrochemical impedance spectroscopy (EIS) techniques. Parameters affecting the electrocatalytic activity for the HER are systematically investigated. Results show the Ni-Mo-Cu coating by the introduction of Cu has a rough and cauliflower-like structure and presents a most efficient activity for HER in comparison with binary Ni Mo electrode. Its remarkably enhanced catalytic activity is attributed to the high surface area as well as synergistic interaction between Ni, Mo and Cu. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：4794 / 4802

页数：9

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