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.