期刊
APPLIED SURFACE SCIENCE
卷 443, 期 -, 页码 401-406出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2018.02.230
关键词
Inorganic compounds; Transition metal oxide; MOFs; Electrospinning; Electrochemical performance; Anode material
类别
资金
- National Natural Science Foundation of China [21476063]
The porous Co3O4 with electrospun carbon (Co3O4/C) was synthesized simply through annealing the Co-based metal-organic-framework/polyacrylonitrile (ZIF-67/PAN) templates. The samples were characterized by X-ray diffraction (XRD), scanning electronic microscopy (SEM) and Brunauer-Emmett-Teller (BET) techniques. The content of electrospun carbon in Co3O4/C was tested by thermogravimetric analysis (TG). The Co3O4/C not only shows a remarkable capacity of 1024.1 mAh g(-1) after 100 cycles but also behaves superior rate capability. The superior electrochemical properties could be attributed to the electrospun carbon, which serves as a buffer layer to slow down the volumetric stresses and provides conductive paths for fast Li+ diffusion and easy electric charge transfer. Therefore, superior performance of the Co3O4/C electrode makes it possible to be used as promising anode for lithium ion battery application. (C) 2018 Elsevier B.V. All rights reserved.
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