A facile method for synthesis of Ni(OH)2@xRF with excellent electrochemical performances

被引：2
|
作者：
Yu, Hongxia [1 ]
Lu, Lingli [1 ]
Xu, Ting [1 ]
Zhang, Tianyu [1 ]
Yang, Li [1 ]
Zhang, Jiaqi [1 ]
Gu, Minfen [2 ]
Chen, Liwei [1 ]
Cai, Tianming [1 ]
机构：
[1] Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Peoples R China
[2] Nanjing Normal Univ, Ctr Anal & Testing, Nanjing 210046, Peoples R China
来源：
MATERIALS LETTERS | 2020年 / 273卷 / 273期
基金：
中国国家自然科学基金;
关键词：
Controllable synthesis; Composite materials; Electrical properties; Supercapacitor; ELECTRODE; NANOSTRUCTURES; NANOCOMPOSITE;
D O I：
10.1016/j.matlet.2020.127867
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report a facile synthesis of Ni(OH)(2)@xRF with excellent electrochemical properties through a sol-gel process. With the help of cetyltrimethylammonium bromide modifying, resorcinol-formaldehyde (RF) resin is easily coated on the surface of Ni(OH)(2). We have demonstrated that the thickness of RF layer can be tuned by adjusting the amount of RF solution. And the electrochemical performance of the synthesized materials is dependent on the thickness of RF layer. Due to the good mechanical properties and conductivity of RF, Ni(OH)(2)@xRF show a superior electrochemical performance. The specific capacitance of Ni (OH)(2)@2RF is 672F/g at 5 A/g, which is higher than that of Ni(OH)(2). The strategy promises a useful method for designing electrode materials with enhanced specific capacitance and stability. (C) 2020 Elsevier B.V. All rights reserved.
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页数：4
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