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Preparation and electrochemical properties of self-doped nitrogen porous carbon derived from Zn-MOFs

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2020, 30(3), pp.315-324
  • DOI : 10.1007/s42823-019-00100-5
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : June 27, 2019
  • Accepted : October 21, 2019
  • Published : June 1, 2020

Zhang Dongqiang 1 Zhang Chi 2 Wang Qian 2 Li Shuai 2 Zhao Xia 2 Luo Heming 2

1Lanzhou University of Technology
2Lanzhou University of Technology

Accredited

ABSTRACT

Metal–organic frameworks (MOFs) are network-like frameworks composed of transition metals and organic ligands con�taining oxygen or nitrogen. Because of its highly controllable composition and ordered porous structure, it has broad appli�cation prospects in the feld 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 specifc 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 specifc 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 superc

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