高容量锂电用硅负极材料

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1、May23,2009AdvancedSiliconAnodeTechnologyforHighPerformanceLi-IonBatteriesKiyotakaYasuda,GeneralManagerMitsuiMining&SmeltingCo.,Ltd.JapanHighlightsofToday’sPresentationOverviewofMitsuiKinzokuOurviewoftheLi-IonBatterypotentialSILX®–abreakthroughtechnologyCommercializationapproachMitsuiKinzoku“

2、AWorldLeaderinBatteryTechnology”Achievements1950196019701980199020002008EMD(ElectrolyticManganeseDioxide)forDryCdOforNi-CdZincPowderforAlkalineLi-FoilforprimaryLiMH(MetalHydride)forNi/MHMercury-freeZincPowderforAlkaline(1stcompanyintheworld)RegisteredasaRecyclerofusedNiCdMHforthebatteryofHEV

3、LMO(LithiumManganeseSpinel)forEVSILX®TechnologyMarketGrowthforLi-IonBatteriesPersonalComputersAutomobilesCellularphones$USBillions20072017ElectricVehicles(HEV/PHEV/EV)Units20072017Sources:InstituteofInformationTechnology;YanoResearchInstitute;EPRI;FraunloferISI;Eurelectric;A.T.Kearneyanalysi

4、s4-8MillionUnitsOverallLi-IonMarketwillGrowtoOver$20billionby201708M$5.1B$8B$0$3.6B$8BatteryTechnologywillrequirea“leap”incapabilitiestodrivemarketgrowth20040050060019962004Energydensity/Whl-1(18650)3007002000200819922012LCO-C4.2-3.0V100NiMHNewChemistry?NewSystem?LNO-CNiCd20164.2-2.5V0Applic

5、ationsImpactedbySILX®,TechnologycapabilitiesofSILX®canprovidethedriverformarketexpansionFuelCellLi-IonSILXSILXConventionalBattery1001000HEVEVPowerDensity/Wl-110000EnergyDensity/Whl-1Capacitor020040060080010001200SILX®TechnologyCavitySi5μmSiactiveLayer20μmCuCucurrentcollectorConsistsofuniquene

6、tworkstructureutilizingSiliconandCopperProvidessignificantimprovementovertoday’scommercialtechnologiesCapacitydensity1000Ah/latchargedstateEnergydensity+600Wh/L(cylindrical)+520Wh/L(prismatic)Dischargecapacityatlowtemperature+88%at-20oC+65%at-30oCCyclelife+80%at500cyclesSILX®isa“Breakthroug

7、h”technologySILXmakesitpossibletostoremoreenergy(highercapacity)andgeneratemorepower(higheroutput)DependenceofSiutilizationonEnergydensityandCyclability※1:Calculatedbasedonthevolumeafter100∞020406080100Siutilization/%vs.Li4.4Si40003000200010