WUFengBIT

吴锋FengWu北京理工大学BeijingInstituteofTechnology10thChina-USElectricVehiclesandBatteryTechnologyWorkshopOutlookandSuggestionsonSecondaryBatteryResearchandCN-USworkshop高性能二次电池研究与中美研讨会的建议及思考引言Introduction尊敬的徐部长：各位来宾：女士们、先生们：上午好！在中国科技部和美国能源部的支持下，中美电动汽车与电池技术研讨会在短短的几年里，已经成功举办了9届，本次迎来了第10届，可以说每一届会议的召开，都凝聚着在坐诸位的心血和辛劳。我非常感谢徐冠华部长今天能够亲临我们的研讨会，15年前正是在他的倡导和主持下，电动汽车被列为国家863计划的重大专项，从此中国在这一领域的发展如火如荼，有了今天的大好局面！RespectedMinisterXu,LadiesandgentlemenThroughthesupportofMOSTinChinaandUSDOE,OurChina-USworkshoponbatteryresearchforEVhassuccessfullyheldforthe10thtimeinashortperiodoftime.Everysuccessfulworkshopistheresultofthegreatcontributionandhardworkofallofattendeesandorganizers,IamveryhappyandgratefultohaveministerXuattendingorworkshoptoday.15yearsago,itwasunderhisinitiationanddirection,electricvehiclewaslistedasspecialimportantprojectinournational863Plan.ThatwasthestartingpointforthegreatprogressonEVresearchandcommercializationinChinaandourworkshopisonetheexcellentexampleofthis.我也非常感谢美国能源部的DavidHowell先生，他亲自参与策划了每一届会议，除去一次感冒发高烧外，参加和主持了其余所有的会议。还有美国阿贡国家实验室的KhalilAmine教授，除了会上的精彩报告之外，每一次在美国开会都给予了我们热情周到的安排，美国阿贡国家实验室的LarryJohnson教授,也是我们这个会议的热心策划者，几个月前他刚刚做了脊椎大手术，今天也竟然奇迹般的来到我们的会场。阿贡和西北太平洋国家实验室的领导也为我们论坛的成功提供了必要的保证。当然我还可以列出许多的人，许多的故事，正是这些，使我们的研讨会越来越具有亲和力和活力！彼此有了更深入的了解，更深入的交流与合作。还要感谢中美两国政府，十年多次的签证也避免了许多不必要的麻烦。让我们先简单回顾一下一起亲临的这些会议。IamalsoverygratefultoMr.DavidHowellofUSDOE.HehashelpedinorganizingeveryworkshopaswellaschairingandattendingallofthembuttheoneheldatBerkeleyLab.,becausehewassickthattime.Ihavetopointoutanotherperson,Dr.KhalAmine,forhisexcellentcontributionsonorganizationandfinancialarrangementsforourworkshops,inadditiontohisexcellentresearchpresentations.Weshouldnotforgetanotherimportantorganizer,Dr.LarryJohnsonatANL,forhisgreatcontributionstoourworkshopandhisattendanceoftoday’sworkshop,consideringheisstillrecoveringfromarecentsurgery.ThesupportsfromDirectorOfficesofANLandPNNLarealsogreatlyappreciated.Thereareendlessexamplesofpeopleandstoriesshouldbementioned.Becauseofthem,ourworkshopisgettingmoreandmoreattractiveandactive,resultinginmorecloserrelationshipandcollaborationsbetweenourtwocountries.WeshouldalsothankourtwogovernmentsofChinaandUS,fortheirfinancialsupportandadministrationhelpssuchasthevisaapplicationprocess.Now,letushaveabriefreviewoftheworkshopsbeingheld.引言IntroductionContinuedHangzhou,China,Apr.16-17,20125thChina-USElectricVehiclesandBatteryTechnologyWorkshop5thChina-USElectricVehiclesandBatteryTechnologyWorkshop,Hangzhou,China会议现场5thChina-USElectricVehiclesandBatteryTechnologyWorkshop,Hangzhou,China5thChina-USElectricVehiclesandBatteryTechnologyWorkshop,Hangzhou,China参观云南石林光伏发电站VisitingYunnanShilinPVPowerStationBITresearchgroupvisitedBNLonAug17th20126thChina-USElectricVehiclesandBatteryTechnologyWorkshop,Boston,USWelcomingRemarksbyKeithMotleyChancellorofUMassBostonGreetingRemarksbySongbaiYeScienceandTechnologyCounsellorofChinaEmbassyDaveHowell,USDOE6thChina-USElectricVehiclesandBatteryTechnologyWorkshop,Boston,USTienDuong,USDOEDavidRobertson,ArgonneNationalLaboratoryLarryJohnson,ArgonneNationalLaboratoryJakeWard,USDOE6thChina-USElectricVehiclesandBatteryTechnologyWorkshop,Boston,USFengWu,BeijingInstituteofTechnology7thChina-USElectricVehiclesandBatteryTechnologyWorkshop,SanFrancisco,US9thChina-USElectricVehiclesandBatteryTechnologyWorkshop9thChina-USElectricVehiclesandBatteryTechnologyWorkshop,Seattle,US中美双方所共同关心的内容ResearchinterestsfrombothChinaandUS•EVProduct&MarketTrends•BatteryMaterialsandTechnologies•BatteryTestingandApplications•EVDemonstrationandInfrastructure•BatteryRecycleandEnvironmentalBenefits电动汽车的生产和市场趋势先进电池材料和技术电池的检测和应用电动汽车的示范运营和基础设施废旧电池回收技术与环境效益分析近年来，在基于新构思、新体系、新材料、新技术的新型绿色二次电池研究不断系统深入的同时，如何更大幅度提高电池的能量密度与功率密度？如何更好解决电池的安全性问题？如何进一步实现电池的低成本化及资源再生？这一系列问题为能源、材料、化学等学科提出了新的挑战。Recentyears,basedonnewconceptions,newsystems,newmaterialsandnewtechnologies,thenovelgreensecondarybatterieshavebeenin-depthlydiscussed.Atthesametime,howtofurtherimprovetheenergydensityandpowerdensityofbattery?Howtobettersolvethesafetyproblemofthebattery?Howtofurtherrealizelowcostandresourceregeneration?Theseseriesofproblemsputforwardnewchallengestothedisciplinessuchasenergy,materials,aswellaschemistry.中美双方所共同关心的内容ResearchinterestsfrombothChinaandUS新型多电子反应体系Newmulti-electronreactionsystem新型多电子反应体系：铝二次电池Newmulti-electronreactionsystem:rechargeablealuminumbattery铝是地球上含量最丰富的金属元素，若发生三电子转移反应，理论电化学比容量达2980mAh/g(Li,3870mAh/g)。Aluminumisthemostabundantmetalintheearth’scrust,anditstheoreticalcapacityisashighas2980mAh/g(Li,3870mAh/g),duetoathree-electrontransferduringtheelectrochemicalcharge/dischargeprocess.铝的标准电极电位为-1.68V。ThestandardreductionpotentialofAl3+is−1.68V.铝离子半径小于锂离子.r(Al3+)=0.0535nm,r(Li+)=0.076nm。Aluminumionradiusislessthanthelithium-ion.正极Cathode电解液Electrolyte负极Anode隔膜Separator氯化铝型咪唑基离子液体AlCl3containingimidazolium-basedionicliquids铝盐水溶液Aluminumsaltsolution金属氧化物MetalOxides氟化石墨GraphitefluorideAl电池构成BatterycompositionsWhatmanGf/C玻璃纤维隔膜Whatmanglassfiber(GF/C)separator可用于铝二次电池的无粘结剂的正极材料Binder-freecathodeforrechargeablealuminumbatteryACSAppl.Mater.