Efficient Metal-Oriented Electrodeposition of a Co-Based Metal-Organic Framework with Superior Capacitive Performance

被引：28
|
作者：
Han, Yan [1 ,2 ]
Cui, Jian [1 ]
Yu, Yue [1 ]
Chao, Yunfeng [3 ]
Li, Dejun [1 ]
Wang, Caiyun [2 ]
Wallace, Gordon G. [2 ]
机构：
[1] Tianjin Normal Univ, Energy & Mat Engn Ctr, Coll Phys & Mat Sci, Tianjin 300387, Peoples R China
[2] Univ Wollongong, ARC Ctr Excellence Electromat Sci, Intelligent Polymer Res Inst, Wollongong, NSW 2500, Australia
[3] Zhengzhou Univ, Henan Inst Adv Technol, Zhengzhou 450052, Peoples R China
来源：
CHEMSUSCHEM | 2022年 / 15卷 / 14期
基金：
澳大利亚研究理事会;
关键词：
carbon fiber; cobalt; electrodeposition; metal-organic frameworks; supercapacitors; ELECTROCHEMICAL DEPOSITION; THIN-FILMS; SUPERCAPACITORS; MEMBRANES; VERSATILE; COATINGS; ENERGY;
D O I：
10.1002/cssc.202200644
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An efficient cathodic electrodeposition method is developed for coating Co-based metal-organic frameworks (Co-MOF) on carbon fiber cloth (CFC), a widely used substrate in energy fields. The use of a highly active Co metal surface enables nucleation and growth of Co-MOF in 3D rodlike crystal bundles. When used as a binder-free electrode (Co-MOF/CFC) for supercapacitors, it shows a high areal capacitance of 1784 mF cm(-2) at 1 mA cm(-2), good cycling stability and excellent rate capability. The assembled asymmetric all-solid-state supercapacitor device (Co-MOF/CFC//AC) delivers a high energy density and power density. This work may open up an effective approach to realize the electrosynthesis of MOF films, promoting use in energy storage and conversion fields.
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页数：8
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