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    • Preparation of Spherical Sn/SnO2/Porous Carbon Composite Materials as Anode Material for Lithium-Ion Batteries

    锂离子电池负极材料球形Sn/SnO2/多孔碳复合材料的制备

    1 约9页 pdf
    出版日期： 2015
    标签： anode material lithium ion battery porous carbon Sn/SnO2

    出版日期:2015

    作者单位:Hong-QiangWang(1)(2)Xiao-HuiZhang(2)Jing-BoWen(3)You-GuoHuang(2)Fei-YanLai(2)Qing-YuLi(2)1.HubeiKeyLaboratoryforProcessingandApplicationofCatalyticMaterials,CollegeofChemicalEngineering,HuanggangNormalUniversity,Huanggang,438000,China2.GuangxiKeyLaboratoryofLowCarbonEnergyMaterials,SchoolofChemicalandpharmaceuticalSciences,GuangxiNormalUniversity,Guilin,541004,China3.TechnologyDevelopmentDepartment,SonyElectronics(Wuxi)Co.Ltd,Wuxi,214028,China
    杂志名称:Journal of Materials Engineering and Performance
    卷号:24
    期数:5
    刊号:1059-9495
    出版日期:2015

    简介:AnovelsphericalSn/SnO2/porouscarboncompositeanodematerialwassuccessfullysynthesizedfromactivatedmesocarbonmicrobeads(AMCMBs)andSnCl4·5H2Oasstartingmaterialsbyasimplehydrothermalmethodfollowedbyheattreatment.SnO2dispersedonAMCMBwaspartiallyreducedintometallicSnfavorableforhighcapacity.Thestructure,morphology,andelectrochemicalpropertieshavebeenstudiedbyx-raydiffraction,scanningelectronmicroscopy,andelectrochemicalperformancetest.TheresultsshowtheporousAMCMBasasupportingmatrixsurfacesupportsthehugevolumeexpansionandkeepsthestructuralstabilityofSn/SnO2duringtheinsertion/extractionprocessoflithiumion.TheSn/SnO2/AMCMBsampleannealedat600?°Ctakesfulladvantagesofthesuperioritiesofporouscarbon,SnO2,andmetallicSnandexhibitsanexcellentcyclingperformanceandratecapability.Thespecificcapacityis451?mAh?g?atacurrentdensityof100?mA?g?after50cycles.TheSn/SnO2/AMCMBcompositehasalargepotentialapplicationasahigh-performanceanodematerialforthelithium-ionbatteries.

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