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1、ARTICLEReceived3Sep2013
2、Accepted7Feb2014
3、Published3Mar2014DOI:10.1038/ncomms4410Unstackeddouble-layertemplatedgrapheneforhigh-ratelithium–sulphurbatteriesMeng-QiangZhao1,QiangZhang1,Jia-QiHuang1,Gui-LiTian1,Jing-QiNie1,Hong-JiePeng1&FeiWei1Preventingthestackingofgr
4、apheneisessentialtoexploitingitsfullpotentialinenergy-storageapplications.Theintroductionofspacersintographenelayersalwaysresultsinachangeintheintrinsicpropertiesofgrapheneand/orinducescomplexityattheinterfaces.Hereweshowthesynthesisofanintrinsicallyunstackeddouble
5、-layertemplatedgrapheneviatemplate-directedchemicalvapourdeposition.Theas-obtainedgrapheneiscomposedoftwounstackedgraphenelayersseparatedbyalargeamountofmesosizedprotuberancesandcanbeusedforhigh-powerlithium–sulphurbatterieswithexcellenthigh-rateperformance.Evenaft
6、er1,000cycles,highreversiblecapacitiesofca.530mAhg1and380mAhg1areretainedat5Cand10C,respectively.Thistypeofdouble-layergrapheneisexpectedtobeanimportantplatformthatwillenabletheinvestigationofstabilizedthree-dimensionaltopologicalporoussystemsanddemonstratethepot
7、entialofunstackedgraphenematerialsforadvancedenergystorage,environmentalprotection,nanocompositeandhealthcareapplications.1BeijingKeyLaboratoryofGreenChemicalReactionEngineeringandTechnology,DepartmentofChemicalEngineering,TsinghuaUniversity,Beijing100084,China.Cor
8、respondenceandrequestsformaterialsshouldbeaddressedtoQ.Z.(email:zhang-qiang@mails.tsinghua.edu.cn)ortoF.W.(email:wf-dce@tsinghua.edu.cn).NATURECOMMUNICATIONS
9、5:3410
10、DOI:10.1038/ncomms4410
11、www.nature.com/naturecommunications1&2014MacmillanPublishersLimited.Allrights
12、reserved.ARTICLENATURECOMMUNICATIONS
13、DOI:10.1038/ncomms4410rapheneisapromisingfunctionalmaterialforavarietyofapplicationsbecauseofitsextraordinaryelectronicandCalcinationGmechanicalproperties1.Inresponsetourgentenergyandenvironmentalissues,theapplicationsofgraphene
14、inenergystorageandconversionhavebeenwidelyinvestigated2–5.However,thehugesurfaceareaandstrongp–pinteractionsGraphenebetweengraphenelayersleadtoth
