From 1D to 2D: Controllable Preparation of 2D Ni-MOFs for Supercapacitors

被引:15
|
作者
Zhang, Xu [1 ,2 ]
Liu, Zhiqing [1 ,2 ]
Jin, Xingchen [1 ,2 ]
Liu, Fengrui [1 ,2 ]
Ma, Xinlei [1 ,2 ]
Qu, Ning [1 ,2 ]
Lu, Wang [1 ,2 ]
Tian, Yuhan [1 ,2 ]
Zhang, Qiang [1 ,2 ]
机构
[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116023, Peoples R China
[2] Dalian Univ Technol, Sch Chem Engn, Panjin 124221, Liaoning, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
METAL-ORGANIC FRAMEWORKS; PERFORMANCE; NANOSHEETS; SPHERES; GROWTH; ARRAYS;
D O I
10.1021/acs.inorgchem.3c00535
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Controllable modulation strategies between onedimensional (1D) and two-dimensional (2D) structures have been rarely reported for metal-organic frameworks (MOFs). Here, 1D, 1D/2D, and 2D Ni-MOFs can be facilely prepared by adjusting the ratio of Ni2+ and the pyromellitic acid linker. A low-dimensional structure can shorten the transmission distance, while MOFs with a high Ni2+ content can supply rich active sites for oxidation- reduction reactions. The 2D structure Ni-MOF with an optimized Ni2+/pyromellitic acid ratio presents a good performance of 1036 F g-1 at a current density of 1 A g-1 with a comparable rate performance of 62% at 20 A g-1. The study may offer a facile design to control the structure of MOFs for employing in electrochemical energy storage.
引用
收藏
页码:7360 / 7365
页数:6
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