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    • TiNb 2 O 7 /Graphene hybrid material as high performance anode for lithium-ion batteries

    TiNb2O7/石墨烯复合材料作为锂离子电池高性能阳极

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    出版日期： 2015
    标签： Nanocomposite material Anode material Charge-discharge cycling High rate capability Lithium-ion battery

    出版日期:2015

    作者单位:aSchoolofPhysics,IndianInstituteofScienceEducationandResearchThiruvananthapuram,CETCampus,Sreekaryam,Thiruvananthapuram,Kerala695016,India
    杂志名称:Electrochimica Acta
    卷号:176
    期数:Complete
    刊号:0013-4686
    出版日期:2015

    简介:WereportthesynthesisofTiNb2O7/Graphene(TNO-TG)hybridnanomaterialbysimplesolvothermalprocess,withTiNb2O7nanoparticlesanchoredonthereducedgrapheneoxide(rGO)sheets.TNO-TGhybridnanomaterialshowedexcellentelectrochemicalperformancewhenstudiedasanodeforLithium-ionbattery,withanexceptionallyhighratecapability(capacityretentionof80%at16 Crate)alongwithhighdischargecapacity(∼230 mAhg−1after50cyclesat0.1 C).AfullcellLi-ionbatteryhasbeenfabricatedwithTNO-TGasanodeandLiNi1/3Mn1/3Co1/3O2:LiNi0.5Mn0.5O2(wt%of75:25)ascathode,whichdeliveredanaveragecellvoltageof∼2.5 Vwithaninitialanode-specificdischargecapacityof211 mAhg−1,whencycledinthevoltagerangeof1.5–3.5 Vat0.1 C.Theobtainedresultsareverypromisingandwebelievethecurrentfindingswillleadtonewdirectionsintheon-goingsearchforsafeandhighperformanceanodesforrechargeablelithium-ionbatteries.

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