Convenient and large-scale synthesis of hollow graphene-like nanocages for electrochemical supercapacitor application
作者： Zesheng Li , Ling Zhang , Bolin Li , Zhisen Liu , Zhenghui Liu
DOI: 10.1016/J.CEJ.2016.11.018
关键词:
摘要: Abstract Hollow graphene-like nanocages are prepared by an efficient and scalable quasi chemical vapor deposition technique. The structure morphology of the product investigated X-ray diffraction, Raman spectrum, scanning electron microscopy, transmission photoelectric spectroscopy nitrogen adsorption-desorption analysis. supercapacitive performances for electrode cyclic voltammetry charging-discharging methods. hollow have a near sphere nanoporous frameworks. When evaluated supercapacitor electrode, relatively high specific capacitance 165.7 F/g 283.1 F/g obtained at current density 1 A/g in 1 M KOH H2SO4 electrolytes, respectively. In addition, desirable rate performance good cycling stability also demonstrated nanocages.
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