Preparation and electrochemical properties of self‑doped nitrogen porous carbon derived from Zn‑MOFs
(주)코리아스칼라
- 최초 등록일
- 2023.04.24
- 최종 저작일
- 2020.06
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 30권 / 3호
ㆍ저자명 : Dongqiang Zhang, Chi Zhang, Qian Wang, Shuai Li, Xia Zhao, Heming Luo
목차
Abstract
1 Introduction
2 Experimental
2.1 Preparation of Zn4(PDC)4(DMF)2∙3DMF
2.2 Preparation of self-doped nitrogen porous carbon ZPDC-T
2.3 Structural characterization
2.4 Preparation of working electrode
2.5 Electrochemical performance measurements
3 Results and discussions
3.1 Phase analysis
3.2 Microstructure
3.3 Surface composition analysis
3.4 Electrochemical properties
4 Conclusion
Acknowledgements
References
영어 초록
Metal–organic frameworks (MOFs) are network-like frameworks composed of transition metals and organic ligands containing oxygen or nitrogen. Because of its highly controllable composition and ordered porous structure, it has broad application prospects in the field of material synthesis. In this work, Zn4( PYDC)4(DMF)2∙3DMF (ZPD) was synthesized via a hydrothermal method. Self-doped nitrogen porous carbon ZPDC-T was then prepared by one-step carbonization. The results show that the self-doped nitrogen porous carbon ZPDC-850 has a micro/mesoporous structure with a specific surface area of 1520 m2 g− 1 and a nitrogen content of 6.47%. When a current density is 1.0 A g− 1, its specific capacitance is 265.1 F g− 1. After 5000 times of constant current charging and discharging, the capacitance retention rate was 79.2%. Thus, self-doped nitrogen porous carbon ZPDC-850 exhibits excellent electrochemical properties and good cyclic stability. Therefore, the self-doped nitrogen porous carbon derived from MOFs can be a promising electrode material for supercapacitors.
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