MnO2@ZnO/C 复合材料的制备及电化学性能

doi:10.12066/j.issn.1007-2861.2012

Abstract

Abstract:

Metal-organic frameworks (MOFs) compounds are compounds formed by bonding metal centers and organic ligands through coordination bonds. As a new type of porous material, it has drawn much attention of researchers in various fields due to its large specific surface area, high porosity and variety of species. In this study, MnO₂@ZnO/C hybrids are rationally synthesized by using MnO₂@ZIF-8 core-shell nanowires as templates. Owing to its structural and compositional characteristics, namely, the synergistic effects between components and the conductive carbon coating, the resultant MnO₂@ZnO/C hybrids exhibit good electrochemical performance as an anode material in Li-ion batteries with a first discharge specific capacity of 1 873 mA$\cdot$h$\cdot$g^-1 and a specific capacity of 658 mA$\cdot$h$\cdot $g^-1 at a current density of 100 mA/g for 100 cycles.

Key words: metal-organic framework compounds, MnO₂, ZnO/C, lithium ion batteries

CLC Number:

O614.7$^+$11

Zhigang LUO, Qi LI, Dayong CHEN, Shoushuang HUANG, Zhangjun HU, Zhiwen CHEN. Preparation and electrochemical properties of MnO₂@ZnO/C composite[J]. Journal of Shanghai University（Natural Science Edition）, 2020, 26(1): 132-142.

Figures/Tables 10

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Preparation and electrochemical properties of MnO₂@ZnO/C composite

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Preparation and electrochemical properties of MnO₂@ZnO/C composite