The effect of urea on microstructures of Ni3S2 on nickel foam and its hydrogen evolution reaction

被引：11
|
作者：
Lv Jinlong [1 ,2 ]
Liang Tongxiang [1 ,2 ]
机构：
[1] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing Key Lab Fine Ceram, Zhongguancun St, Beijing 100084, Peoples R China
[2] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2016年 / 243卷
基金：
中国国家自然科学基金;
关键词：
Crystal structure; Microstructures; Raman spectra; Surfaces; HIGH-PERFORMANCE SUPERCAPACITORS; OXYGEN REDUCTION REACTION; NI FOAM; ARRAY; CATALYST; CARBON;
D O I：
10.1016/j.jssc.2016.08.017
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The effects of urea concentration on microstructures of Ni(3)S(2)formed on nickel foam and its hydrogen evolution reaction were investigated. The Ni3S2 nanosheets with porous structure were formed on nickel foam during hydrothermal process due to low urea concentration. While high urea concentration facilitated the forming of Ni3S2 nanotube arrays. The resulting Ni3S2 nanotube arrays exhibited higher catalytic activity than Ni3S2 nanosheets for hydrogen evolution reaction. This was mainly attributed to a fact that Ni3S2 nanotube arrays facilitated diffusion of electrolyte for hydrogen evolution reaction. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码：106 / 110
页数：5
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