摘要
Inrecentyears,developmentofhigh-performancesupercapacitorelectrodematerialshasstimulatedagreatdealofscientificresearch.Theelectrochemicalperformanceofasupercapacitorstronglydependsonitsmaterialstructures.Herein,wereportasimplestrategyforhigh-performancesupercapacitorsbybuildingpseudocapacitiveCuSnanosphereswithnanoporousstructures,nanosizedwalls(<10nm)andrelativelylargespecificsurfaceareaof65m~2/g.Thiselectrodedemonstratesexcellentelectrochemicalperformanceincludingamaximumspecificcapacitanceof814F/gat1A/g,significantratecapabilityof42%capacitanceretentionatanultrafastrateof50A/g,andoutstandinglong-termcyclingstabilityatvariouscurrentdensities.Theremarkableelectrochemicalperformanceofas-preparednanoporousCuSnanosphereselectrodehasbeenattributedtoitsuniquestructuresthatplaysakeyroleinprovidingshortionandelectrondiffusionpathways,facilitatediontransportandmoreactivesitesforelectrochemicalreactions.Thisworkshedsanewlightonthemetalsulfidesdesignphilosophy,anddemonstratesthatnanoporousCuSnanosphereselectrodeisapromisingcandidateforapplicationinhigh-performancesupercapacitors.
出版日期
2017年04月14日（中国Betway体育网页登陆平台首次上网日期，不代表论文的发表时间）
