Solvent influence on the morphology and supercapacitor performance of the nickel oxide

被引：24
|
作者：
Pei, Lei [1 ]
Zhang, Xia [1 ]
Zhang, Lingling [1 ]
Zhang, Yujun [1 ]
Xu, Yuandong [1 ]
机构：
[1] Henan Univ Technol, Sch Chem & Chem Engn, Zhengzhou 450000, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 162卷
关键词：
Nickel oxide; Hydrothermal; Energy storage and conversion; Supercapacitors; NIO; ELECTRODE; HYBRID; ALPHA-NI(OH)(2); MICROSPHERES; COMPOSITES;
D O I：
10.1016/j.matlet.2015.10.029
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
NiO with different morphologies were fabricated via hydrothermal method in different kinds of solvent. The morphology of the obtained NiO samples varied from nanoflakes to nanoparticles with the different volume ratios of water to ethanol. The electrochemical results showed that the specific capacitance of NiO-S5 obtained in ethanol was up to 1337.5 F g(-1) at a current density of 0.62 A g(-1), which was greatly higher than that of the other samples. These results indicated that NiO-S5 had the superior electrochemical behavior which may be due to its small-size effect. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：238 / 241
页数：4
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