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  • Lithium-Ion Batteries: Three-Dimensional Porous Core-Shell Sn@Carbon Composite Anodes for High-Performance Lithium-Ion Battery Applications (Adv. Energy Mater. 2/2012)

    锂离子电池:三维多孔核壳Sn@Carbon用于高性能锂离子电池应用的复合阳极(Adv.Energy Mater.2/2012)

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    标签: core-shell lithium ion batteries porous Sn anode

    出版日期:2012

    杂志名称:Advanced Energy Materials
    卷号:2
    期数:2
    刊号:1614-6832
    出版日期:2012

    简介:Thebigchallengeofrepeatedvolumeexpansion/contractionuponcyclinginhibitsSnanodesfromapplicationinhigh-performancelithiumionbatteries,despitesuperiorlithiumstorage.3Dporouscore-shelledSn@carboncompositeanodesfabricatedbyelectrostaticspraydepositionaredescribedbyC.Wangandco-authorsonpage238.Thesecompositesshowexcellentbatteryperformanceoveralongcyclelife.Ahighenergycapacityof638mAhg−1isachievedinthe315thcharge/dischargecyclewithalowcapacityfadeof0.11mAhg−1percycle.Thisenhancedperformanceismainlyattributedtotheporousstructureandconductivecarbonshell,whichactsasaninterconnectedbuffercushiontoalleviatevolumechangeduringcharge/dischargecycling.

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