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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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