Nanostructured polystyrene/polyaniline/graphene hybrid materials for electrochemical supercapacitor and Na-ion battery applications
用于电化学超级电容器和钠离子电池的纳米结构聚苯乙烯/聚苯胺/石墨烯杂化材料
出版日期:2015
作者单位:JiucunChen(1)(2)(3)YinqinLiu(1)(2)(3)WenjunLi(1)(2)(3)ChaoWu(1)(2)(3)LiqunXu(1)(2)(3)HuanYang(1)(2)(3)1.InstituteforCleanEnergy&AdvancedMaterials,SouthwestUniversity,Chongqing,400715,China2.ChongqingKeyLaboratoryforAdvancedMaterials&TechnologiesofCleanEnergies,Chongqing,400715,China3.FacultyofMaterialsandEnergy,SouthwestUniversity,Chongqing,400715,China杂志名称:Journal of Materials Science
卷号:50
期数:16
刊号:0022-2461
出版日期:2015
简介:Inthiswork,nanostructuredpolystyrene/polyaniline/reducedgrapheneoxide(PS–PANI/rGO)hybridmaterialsbasedoninsitureductionofgrapheneoxidewithascorbicacidandself-assemblyhavebeensuccessfullypreparedforelectrochemicalsupercapacitorandNa-ionbatteryapplications.ThesupercapacitorbasedonthePS–PANI/rGOasanelectrodematerialexhibitsaspecificcapacitanceof180?F?g?atacurrentdensityof0.5?A?g?from?.4to1.0?Vandahighenergydensityof49?W?h?kg?atthepowerdensityof352.8?W?kg?.Moreover,thenanostructuredPS–PANI/rGOhasagoodcyclestability(74?%capacitanceretentionafter5000cycles),indicatingitsfuturepotentialapplicationinelectrochemicalenergystorage.ThematerialisfurtherusedasananodeinNa-ionbatteries,andtheresultsshowthattheporousnanostructuredPS–PANI/rGOdeliversahighcapacityof155?mA?h?g?andkeepsover150charge–dischargecyclesataconstantcurrentof100?mA?g?(0.5?C).