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1、Angewandte.ZuschriftenDOI:10.1002/ange.201410154NanostructuresCompactCoupledGrapheneandPorousPolyaryltriazine-DerivedFrameworksasHighPerformanceCathodesforLithium-IonBatteries**YuezengSu,YuxinLiu,PingLiu,*DongqingWu,XiaodongZhuang,FanZhang,andXinliangFeng*Abstract:Itishighlydesirabletodevelopelectr
2、oactiveorganicreachedabottleneck.PartofthereasonisthatpresentmaterialsandtheirderivativesasgreenalternativesofcathodesLIBsforportableelectronicsarebasedoninorganicinter-forsustainableandcost-effectivelithium-ionbatteries(LIBs)calationcathodematerials,whichhavedrawbacksincludinginenergystoragefields
3、.Herein,compacttwo-dimensionallimitedmineralresources,lowtheoreticalcapacities,and[1]coupledgrapheneandporouspolyaryltriazine-derivedframe-relativelyhighcosts.Electroactiveorganicsandtheirworkswithtailormadeporestructuresarefabricatedbyusingderivativesrepresentanemergingandpromisingalternative[2]va
4、riousmolecularbuildingblocksunderionothermalcondi-ascathodesforsustainableandcost-effectiveLIBs.Moretions.Theporousnanosheetsdisplaynanoscalethickness,highimportantly,throughmolecular-leveldesign,themorpholog-specificsurfacearea,andstrongcouplingofelectroactiveicalandelectrochemicalpropertiesofthet
5、argetcompoundspolyaryltriazine-derivedframeworkswithgraphene.Allthesearepredictablytunedtowardshigh-performancecathode[3]featuresmakeitpossibletoefficientlydepressthedissolutionofmaterialswithmultielectronreactions.Althoughextensiveredoxmoietiesinelectrolytesandtoboosttheelectricaleffortshavebeende
6、votedtothesecathodes,suchasusingconductivityofwholeelectrode.Whenemployedasacathodecarbonylcompounds,organosulfurcompounds,radicalpoly-[3c,4a]inLIBs,thetwo-dimensionalporousnanosheetsexhibitout-mers,conductingpolymersetc.,themostsevereproblems11standingcyclestabilityof395mAhgat5Agformorethanareas
7、sociatedwiththerelativelypoorelectricalconductivity15100cyclesandexcellentratecapabilityof135mAhgatandhighsolubilityofredox-activeorganicmoietiesin1[2a,b,3c,4]ahighcurrentdensityof15Ag.electrolytes,whicha