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1、SupportinginformationforPorousNi0.14Mn0.86O1.43HollowMicrospheresasHigh-PerformingAnodesforLithiumIonBatteriesZhongMaa,XianxiaYuan*,a,LinLia,Zi-FengMaa,LeiZhangb,LiqiangMaic,andJiujunZhang*,baShanghaiElectrochemicalEnergyDevicesResearchCenter,DepartmentofChemicalEngineering,ShanghaiJiaoTongUniver
2、sity,Shanghai,200240,ChinabDepartmentofChemicalandBiochemicalEngineering,UniversityofBritishColumbia,Vancouver,BCV6T1W5,CanadacStateKeyLaboratoryofAdvancedTechnologyforMaterialsSynthesisandProcessing,WUT-HarvardJointNanoKeyLaboratory,WuhanUniversityofTechnology,Wuhan430070,China*Correspondingauth
3、ors.Tel:86-21-54742827;Fax:86-21-54741297;E-mail:yuanxx@sjtu.edu.cn(X.Yuan),jiujun@shaw.ca(J.J.Zhang)Fig.S1SEMimagesoftheNi0.14Mn0.86CO3microspheresFig.S2XRDpatternoftheNi0.14Mn0.86CO3microspheresFig.S3SEMimagesoftheMnCO3microspheresFig.S4XRDpatternoftheMnCO3microspheresFig.S5XRDpatternofthetheNi
4、CO3Fig.S6XRDpatternoftheNi0.33Mn0.67CO3Fig.S7TGAcurveoftheNi0.14Mn0.86CO3microspheresinairatmosphereTherearethreeobviousweightlossstepsintheTGAcurveofNi014Mn0.86CO3.Thefirststepbelow200ºCmaybeattributedtothelossofadsorbedwater,thesecondonetothethermaldecompositionofNi0.14Mn0.86CO3intoNi0.14Mn0.86
5、O1.5(0.36Mn2O3/0.14NiMnO3),andthethirdoneisassignedtotheconversionofNi0.14Mn0.86O1.5intoNi0.14Mn0.86O1.43(0.29Mn2O3/0.14NiMn2O4)[1].Theparticularconversionreactionsareasfollows:Thesecondstep:Ni0.14Mn0.86CO3+0.25O2→0.14NiMnO3+0.36Mn2O3+CO2↑Thethirdstep:NiMnO3+0.5Mn2O3→NiMn2O4+0.25O2↑Fig.S8EDXofthe
6、Ni0.14Mn0.86O1.43microsphereinFigure4cFig.S9SEM-MappingimagesofvariouselementsintheNi0.14Mn0.86O1.43microsphereinFigure4c(b)(c)(a)(b)Fig.S10SEMimage(a)andXRDpattern(b)oftheNiO(a)(b)(c)Fig.S11SEMimages(a,b)andXRDpattern(c)oftheMn2O3microspheres.(a)(b)Fig.S12SEMimage(a)andXRDpattern(b)oftheNiMn2O4.
7、Fig.S13RatecapabilityoftheporousNi0.14Mn0.86O1.43hollowmicrospheresatthe1st,50thand100thcycle.Fig.S14CyclingperformanceoftheanodewithporousNi0.14Mn0.86O1.43hollowmicrospheresinthevoltagerangeof0.01-3.0Vvs.Li/Li+atacurr