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    • In situ growth of mesoporous Co 3 O 4 nanoparticles on graphene as a high-performance anode material for lithium-ion batteries

    石墨烯作为高性能锂离子电池负极材料原位生长介孔Co3O4纳米粒子

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    出版日期： 2014
    标签： Cobalt tetroxide Graphene Nanoparticles Nanocomposites Energy storage and conversion

    出版日期:2014

    作者单位:aKeyLaboratoryofRadarImagingandMicrowavePhotonics(NanjingUniv.Aeronaut.Astronaut.),MinistryofEducation,CollegeofElectronicandInformationEngineering,NanjingUniversityofAeronauticsandAstronautics,Nanjing,210016,ChinabNationalLaboratoryofMicrostructuresandSchoolofElectronicScienceandEngineering,NanjingUniversity,Nanjing,China
    杂志名称:Materials Letters
    卷号:119
    期数:Complete
    刊号:0167-577X
    出版日期:2014

    简介:Co3O4/graphenenanosheet(GNS)compositesweresynthesizedviatheinsitugrowthofmesoporousCo3O4nanoparticlesongraphene.Theas-preparedCo3O4/GNScompositesexhibitedsuperiorLi-ionbatteryperformanceandshowedalargereversiblecapacity,excellentcycling,andgoodratecapabilitywhenusedasananodematerialinlithiumionbatteries(LIBs).TheuniformcoatingofCo3O4aroundthegraphenesurfaceensuredtightelectricalcontact,resultinginamaterialwithhigherspecificcapacityandenhancedcyclingperformancecomparedwithpureCo3O4electrodes.Thecompositesdeliveredareversiblecapacityof900 mA h g?atadischargecurrentdensityof100 mA g?withgoodcyclingability.Moreover,thecompositesshowedexceptionalhigh-currentcharge-dischargeperformance,achieving650 mA h g?atacurrentdensityof1000 mA g?.

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