Ni/Co-based metal-organic frameworks as electrode material for high performance supercapacitors

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英文篇名：Ni/Co-based metal-organic frameworks as electrode material for high performance supercapacitors 作者：Shaofei ; Zhao ; Lizhen ; Zeng ; Gao ; Cheng ; Lin ; Yu ; Huaqiang ; Zeng 英文作者：Shaofei Zhao;Lizhen Zeng;Gao Cheng;Lin Yu;Huaqiang Zeng;School of Chemical Engineering & Light Industry, Guangdong University of Technology;Analysis and Testing Center, South China Normal University;Institute of Bioengineering and Nanotechnology; 英文关键词：Metal-organic frameworks;;Bimetallic;;Supercapacitance;;Ni/Co;;Synergistic effect 中文刊名：FXKB 英文刊名：中国化学快报(英文版) 机构：School of Chemical Engineering & Light Industry, Guangdong University of Technology;Analysis and Testing Center, South China Normal University;Institute of Bioengineering and Nanotechnology; 出版日期：2019-03-15 出版单位：Chinese Chemical Letters 年：2019 期：v.30 基金：financially supported by the National Natural Science Foundation of China(Nos. 21306026, 21576054, 51678160);; the Scientific Project of Guangdong Province(Nos. 2014A010106030,2014A010105041,2016A010104017, 2016B020241003);; the Foundation of Higher Education of Guangdong Province(No. 2015KTSCX027) 语种：英文; 页：FXKB201903017 页数：5 CN：03 ISSN：11-2710/O6 分类号：93-97

摘要

A novel bimetallic Ni/Co-based metal-organic framework(Ni/Co-MOF) was successfully synthesized via a simple solvothermal method, and used as electrode material for high performance supercapacitors. After doping of Co element, the Ni/Co-MOF materials retain the original crystalline topology structure of Ni_3(BTC)_2·12H_2O.The as-obtained Ni/Co-MOF demonstrates an excellent specific capacitance of 1067 and 780 F/g at current density of 1 and 10 A/g, respectively, and can also retain 68.4% of the original capacitance after 2500 cycles. These results suggest that bimetallic Ni/Co-based MOFs are promising materials for the next generation supercapacitance,owing to their excellent electrochemical performance. The synthetic procedure can be applied to synthesize other bimetallic MOFs and enhance their conductive property.
        A novel bimetallic Ni/Co-based metal-organic framework(Ni/Co-MOF) was successfully synthesized via a simple solvothermal method, and used as electrode material for high performance supercapacitors. After doping of Co element, the Ni/Co-MOF materials retain the original crystalline topology structure of Ni_3(BTC)_2·12H_2O.The as-obtained Ni/Co-MOF demonstrates an excellent specific capacitance of 1067 and 780 F/g at current density of 1 and 10 A/g, respectively, and can also retain 68.4% of the original capacitance after 2500 cycles. These results suggest that bimetallic Ni/Co-based MOFs are promising materials for the next generation supercapacitance,owing to their excellent electrochemical performance. The synthetic procedure can be applied to synthesize other bimetallic MOFs and enhance their conductive property.

引文

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