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Hydrothermal Synthesis and Capacitance Property of Cobalt Sulfide/Graphene Oxide Nanocomposite

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  • 【题名】:Hydrothermal Synthesis and Capacitance Property of Cobalt Sulfide/Graphene Oxide Nanocomposite
  • 【年份】:2017
  • 【作者】:WEI Ying, ZHANG Shengyi, NIU Helin, MAO Changjie, SONG Jiming,JIN Baokang, TIAN Yupeng
  • 【关键词】:CoS  graphene  nanocomposite  synthesis  capacitance
  • 【摘要】:The cobalt sulfide/graphene oxide(CoS/GO) nanocomposite was synthesized by a simple hydrothermal reaction.The products as-synthesized were characterized by XRD,SEM,TEM,BET-BJH and TG.The electrochemical property and impedance of the CoS/GO nanocomposite were studied by cyclic voltammetry and EIS analysis,respectively.The results show that the presence of the GO enhances the electrode conductivity,and then improves the capacitance property of the CoS/GO nanocomposite.The galvanostatic charge/discharge measurement results show that the CoS/GO nanocomposite has a high specific capacitance(550Fg^-1) and long cycle life(over 1 000 cycles).
  • 【期刊名】:Journal of Wuhan University of Technology(Materials Science Edition)
  • 【分类号】:TB
  • 【期号】:第1期
  • 【资金项目】:funded by the national natural science foundation of china(nos.21275006,21471001,20905001,21071002,21175001,21271004)
  • 【作者单位】:Department of Chemistry,Anhui University,Hefei 230601,China;Anhui Provincial Center for Disease Control and Prevention,Hefei 230601,China
  • 【页码】:80-84
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