锂离子电池论坛_综述锰科研方向(lithium ion battery _ review manganese research forum)

锂离子电池论坛_综述锰科研方向(lithium ion battery _ review manganese research forum)

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时间:2018-07-15

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1、锂离子电池论坛_综述锰科研方向(Lithiumionbattery_reviewmanganeseResearchForum)ThisarticleiscontributedbyntqiumingPdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.Volumesecond,phasefifteenth,A

2、pril2003ChemicalresearchandapplicationChemical,Research,and,ApplicationNo.Vol.15,2Apr.,2003Articlenumber:(1004-16562003)02-0141-05ResearchstatusofspinelLiMn2O4ascathodematerialforlithiumionbatteriesFengChuanqi,ZhangKeli*,SunLi(Schoolofchemistryandmolec

3、ularscience,WuhanUniversity,Hubei,Wuhan430072,China)Abstract:thepreparationmethods,fromthebusinesscycleperformance,specificcapacity,hightemperatureperformanceandsoonareviewofstudiesonLiMn2O4spinelinrecentyears;discussthesynthesismethods,reactionconditi

4、ons,thecrystalstructureofspinelandtheeffectofmodificationonthepropertiesofcathodematerials,andindicatesthepositivepolematerialresearchdirectioninthefuture.Keywords:spinelLiMn2O4;Liionbattery;electrochemicalperformance;CLCnumber:911TM;documentidentifica

5、tioncode:ASofar,manystudiesonlithiumioncathodematerialsinvolveLiCoO2,LiNiO2layeredcompoundsandLiMn2O4systemsTable1Cathodematerial,crystallinetype,celltype,averageoperatingvoltage(V),theoreticalspecificcapacity(mA,h,G-1),actualspecificcapacity(mA,h,G-1)

6、,cyclelife,thermalstability,cost,environmentalprotection,degreeofdevelopment(Table1)asmallnumberofstudieshaveLi-V-OandLi-Ti-Osystems.Table1ComparisonofthemaincathodematerialsoflithiumionbatteriesCormparation,of,three,Cathode,materials,for,lithium,ion,,

7、battery.LiCoO2(layered)alphaNaFeO2typesixR3misabout4.1274146500-1000unstablehightoxiccobalthasbeenusedLiNiO2(layered)alphaNaFeO2typesixR3mabout3.8275210unidentifiedunstablemedium(1/20CoLiMn2O4)containingnickelspinelinabout4.1148130cubicFd3munknownthest

8、abilityoflow(1/40Co)inthedevelopmentofnon-toxicConsideringenvironmentalprotectionandpricefactors,LiMn2,O4andCoO2haveobviousadvantagesandfocuscomparedwithLiandLiNiO2[1-20]Appearancehasmoreinfluenceontheelectrochemicalpropertiesofthetarge

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