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1、锂离子电池基本原理、配方及工艺流程(Basicprinciple,formulationandprocessflowoflithiumionbattery)Thisarticleiscontributedbya9htPdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.Principleandprocessflowoflithi
2、umionbatteryAprincipleof1LiCoO2++structurecathodeconductiveagentbinder(PVDF)+collector(aluminumfoil)2++cathodestructureofgraphiteconductiveagent,thickeningagent(CMC)+binder(SBR)+collector(copper)anodecathode3theworkingprincipleofthe3.1chargingprocess:apowertochar
3、gethebattery,theanodeofElectronicEfromanexternalcircuittothecathode,lithiumionisLi+fromthecathodeelectrolyte,""jump"over"thediaphragmcrookedhole,"swim"tonegativeelectrodeandearlyelectronicran.Together.ThepositivereactionofLiCoO2??Li1-xCoO2+xLi++Xe(Electronic)nega
4、tivereactionof6C+xLi++Xe??LixC63.2batterydischargeconstantcurrentdischargeandconstantresistancedischarge,constantcurrentdischargeisinfacttheexternalcircuitwithavariableresistorcanchangewiththechangeofthevoltagethatistheessenceofconstantresistancedischargeinbatter
5、ieswitharesistortomakeelectronicthrough.Thus,aslongasthenegativeelectroncannotrunfromthenegativetothepositiveelectrode,thebatterywillnotdischarge.ElectronicandLi+areatthesametimeofaction,thesamedirectionbutdifferentroads,discharge,electronfromthecathodetoanodethr
6、oughelectronconductor,lithiumionLi+jumpedfromthecathodeelectrolyte,passingthroughthediaphragmcrookedhole,"swim"tothecathode,andearlyelectronicranwiththetogether.3.3chargedischargecharacteristicsofbatteriescathodeusingLiCoO2,LiNiO2,LiMn2O2,LiCoO2whichisalayerofcry
7、stalstructureisverystable,butwhentakenxLiionsfromLiCoO2,itsstructuremaychange,butwhetherthechangedependsonthesizeofX.Itisfoundthatwhenx>0.5,thestructureofLi1-xCoO2isextremelyunstable,andcrystalcollapseoccurs,anditsexternalappearanceisthefinalterminationofthecore.
8、Therefore,theuseofelectriccoreintheprocessshouldbelimitedbychargingvoltagetocontroltheLi1-XCoO2valueofX,thegeneralchargevoltageisnotgreaterthan4.2V,thenxisless