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1、AdvancesinR&Dofelectrolytesolutionsforrechargeablebatteries.DoronAurbachDepartmentofChemistry,Bar-IlanUniversity,Ramat-Gan52900,IsraelAtBarIlanUniversity:ElenaMarkevichGregorySalitraEllaZinigradBorisMarkovskyMikhailLeviAtMerckKGaA:GuenterSemrauMichaelSchmidtAtHPLIvanExnarAtGMIonHalalayAtSionPowerSu
2、pport:Charlies.KelleyISF,IsraelScienceFoundation.MerckKGaA,GermanyIncollaborationwithUBEIndustriesInc.Outline:Challengesinenergystorage&conversion:1.Developmentofrechargeablebatterysystemsforpropulsion(electricvehicles).Mainrequirements:highenergy&powerdensity,acceptablesafetyfeatures.2.Development
3、ofrechargeablesystemsforloadlevelingapplications.(e.g.storingsolarandwindenergy).Mainrequirements:veryprolongedcyclelife,components(i.e.relevantelements)abundantinhighquantitiesinearthcrust,environmentallyfriendlysystems.Relevantdevices:1.Forelectricalpropulsion,fuelcellscouldbethebestsolution.Howe
4、ver,whatarethemostrelevantareH/Ofuelcellswhichmayhavethehigherenergy&power22densitywiththelowestdemandforexpensivecatalysts.However,hydrogenproduction&storage(mostlythelatterone)arerealpracticalbarriers.2.LiionbatteriesprovidethemostpromisingfeaturesforEVapplicationsintermsofenergydensity.3.EDL(sup
5、er)capacitorsmaybeanoptionforloadlevelingapplications.Theirlowenergydensityistolerablehere,whiletheirveryhighcyclelife,highratesandtheircomponentswhichareabundant(carbonaceousmaterials)aregreatadvantages.4.WearetryingtopromoteR&Dofrechargeablemagnesiumbatteriesforloadlevelingapplications.Thispresen
6、tationdealswith:ElectrolytesolutionsforLiionbatteries,rechargeableMgbatteries,EDLcapacitors.Acomparisonofvoltageprofilesof4importantcathodes(advancedmaterials)TheLi-MnolivineisfromHPL,theLi-NCAisfromTODA,theLi-MNandLi-MNCwherepreparedatBIU.Galvanostaticcycling,RT,standardsolutions,EC-DMCLiPF.64.5Fu
7、llcapacityin5hours4.0/Veg3.5ltaollvLiNiMnOe3.00.50.52CLiNiCoAlO0.80.150.052LiMnPO42.5LiNiMnCoO0.330.330.332050100150200-1Dischargecapacity/mAhgDSCresponsefordifferentcathodesinEC-DMC/LiPFSolution6PRISTINESO
