Microwave-assisted synthesis of honeycomblike hierarchical spherical Zn-doped Ni-MOF as a high-performance battery-type supercapacitor electrode material

被引：196
作者：
Chen, Yuanxun [1 ]
Ni, Dan [1 ]
Yang, Xiaowei [1 ]
Liu, Congcong [1 ]
Yin, Junlin [1 ]
Cai, Kefeng [1 ]
机构：
[1] Tongji Univ, Key Lab Adv Civil Engn Mat, Minist Educ, Sch Mat Sci & Engn, 4800 Caoan Rd, Shanghai 201804, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2018年 / 278卷
基金：
中国国家自然科学基金;
关键词：
Zn doped Ni-MOF; Microwave-assisted synthesis; Supercapacitor; Electrode material; METAL-ORGANIC FRAMEWORK; IN-SITU GROWTH; ENERGY-STORAGE; POROUS CARBON; ELECTROCHEMICAL PERFORMANCE; HYBRID SUPERCAPACITORS; GRAPHENE; CAPACITANCE; NANOCOMPOSITES; POLYPYRROLE;
D O I：
10.1016/j.electacta.2018.05.024
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A Zn-doped Ni-based metal - organic framework (Ni-MOF) material with honeycomblike hierarchical spherical structure is synthesized by a microwave-assisted method using HCl as the modulator for the first time. By adjusting the amount of the Zn ions doped, an optimal Zn doped Ni-MOF electrode material is obtained, which possesses a superior electrochemical performance: specific capacity of 237.4mA h g(-1) and 122.3 mA h g(-1) at 1 A/g and 20 A/g, respectively. This is one of the highest performances reported so far for MOFs. The excellent electrochemical properties are ascribed to the unique crystal structure and special morphology of the Zn-doped Ni-MOF material. This work shows that the microwave-assisted synthesis is a rapid and efficient method for preparation of Ni-MOF supercapacitor electrode material. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：114 / 123
页数：10
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