2022退役鋰離子電池回收與資源化技術(shù)

退役鋰離子電池回收與資源化技術(shù)退役鋰離子電池回收與資源化技術(shù)IIIIV目錄IV總結(jié)與展望III北理工課題組電池回收最新進(jìn)展II鋰離子電池回收與再生技術(shù)I行業(yè)發(fā)展與研究背景IIIIV目錄IV總結(jié)與展望III北理工課題組電池回收最新進(jìn)展II鋰離子電池回收與再生技術(shù)I行業(yè)發(fā)展與研究背景第九屆中國(guó)國(guó)際儲(chǔ)能大會(huì)2019.4.24-263CategoriesMaterialsPropertiesPotentialenvironmentalpollutionCathodematerialLiCoO2/LiMn2O4/LiNiO2/LiNiCoMnO2Reactswithwater,acids,reducingagentsor第九屆中國(guó)國(guó)際儲(chǔ)能大會(huì)2019.4.24-263CategoriesMaterialsPropertiesPotentialenvironmentalpollutionCathodematerialLiCoO2/LiMn2O4/LiNiO2/LiNiCoMnO2Reactswithwater,acids,reducingagentsorstrongoxidizingagents(hydrogenperoxide,chlorate,etc.)toproduceharmfulmetaloxides.HeavymetalpollutionraisestheenvironmentalpHAnodematerialCarbonmaterial/graphite,lithiumintercalationincaseoffireorhightemperature,dustcanexplodeandreactwithstrongacidandstrongalkalitoproducegasessuchasCOandCO2.TheCOandsoliddustparticlesproducedbythecombustionoftheanodematerialcontaminatetheair.ElectrolyteLiPF6/LiBF4/LiAsF6ItishighlycorrosiveandcanproduceHFwhenexposedtowater,andcanbeoxidizedtoproducetoxicsubstancessuchasP2O5,Li2O,B2O3FluorinepollutionchangesthepHoftheenvironment,andthetoxicgasgeneratedpollutestheairandstimulatesthehumanbodythroughtheskinandbreathing.ElectrolytesolventEthylenecarbonate/Propylenecarbonate/DimethylcarbonateThehydrolyzateproducesaldehydesandacids,whichcanproduceCO,CO2,etc.Organicmattersuchasaldehydes,ketones,andmethanolSeparatorPP/PECombustioncanproduceCO,aldehyde,etc.OrganicpollutionBinderPVDF、VDF、EPDItcanreactwithfluorine,fumingsulfuricacid,strongalkali,alkalimetal,anddecomposebyheattoproduceHF.ThermaldecompositionproducesHFandfluorinepollution445566DiagrammaticsketchofreactionmechanismPossiblestructuresofthereactionproducts9DiagrammaticsketchofreactionmechanismPossiblestructuresofthereactionproducts912121313I.梯次利用Howtoreusetheseremainingpowerforapowerbatterythatalsohas80%power.安全拆解——Avoidsafetyaccidentssuchasfireandexplosion,andatthesametimetakeintoaccountautomationefficiencyissues.I.梯次利用Howtoreusetheseremainingpowerforapowerbatterythatalsohas80%power.安全拆解——Avoidsafetyaccidentssuchasfireandexplosion,andatthesametimetakeintoaccountautomationefficiencyissues.材料純度——Getgoodimpurityremovaleffectbysimplemethod二次污染——Avoidtoxicandharmfulgasesandwasteliquids,etc.復(fù)雜材料——Thediversityofcathodematerialsmakesrecoverydifficult,lessrecoveryforthenegativeelectrodeandelectrolyte環(huán)境經(jīng)濟(jì)效應(yīng)——Effectivelyimprovetheeconomicsandreflectingtheenvironmentalbenefitsofrecy