【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