MOF衍生的NiCoP/C@NiMn-LDH复合材料的制备与电化学性能研究

摘要为提升超级电容器电极材料的电化学性能,在泡沫镍(NF)上以MOF为模板制备出NiCoP/C导电骨架,后将超薄NiMn-LDH纳米片沉积其上,制备得到核壳结构的NiCoP/C@NiMn-LDH复合材料。电化学测试结果表明,MOF模板的高比表面积、独特的核壳结构和NiCoP/C与NiMn-LDH之间的协同作用有利于电极材料性能的提升。制备得到的NiCoP/C@NiMn-LDH电极在1 A·g^-1下比电容可达2 278.0 F·g^-1;循环2 000圈后电容保留率为93.7%。

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	主曼琳
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关键词：超级电容器电极材料金属有机框架核壳结构

Abstract： To improve the electrochemical performance of electrode materials for supercapacitors, the core-shell NiCoP/C@NiMn-LDH composite were synthesized on Nickel Foam(NF) with MOF-derived NiCoP/C as the conductive skeleton and decorated by ultra-thin NiCo-LDH nanosheets. The results show that NiCoP/C@NiMn-LDH electrode exhibits an excellent specific capacitance of 2 278.0 F·g^-1 at 1 A·g^-1 and remarkable cycling stability of 93.7% capacitance retention after 2 000 cycles. It is concluded that the high specific area of MOF template, the core-shell structure and the synergy between NiCoP/C and NiMn-LDH contribute to the electrochemical performance.

Keywords： supercapacitor electrode material metal organic framework core-shell structure

Received 2021-03-15;

Fund:国家自然科学基金(21978198)。

Corresponding Authors: 王燕,副教授,E-mail:zhuwangyan@tju.edu.cn。 Email: zhuwangyan@tju.edu.cn

About author: 主曼琳(1996-),女,硕士研究生,现从事超级电容器电极材料方面的研究。

引用本文:

主曼琳, 蔡旺锋, 王燕.MOF衍生的NiCoP/C@NiMn-LDH复合材料的制备与电化学性能研究[J]. 化学工业与工程, 2022,39(3): 80-88

ZHU Manlin, CAI Wangfeng, WANG Yan.Preparation of MOF-derived NiCoP/C@NiMn-LDH composite and its electrochemical properties[J]. Chemcial Industry and Engineering, 2022,39(3): 80-88

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