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1、ElectricvehicleAnBriefIntroductionToSpeechmaker:LeiLuoMembers:XinChenYeyuChenMeidiSunZhewenHeWeiWangWhatisanelectricvehicle?Werunonelectricity!WehavethreetypesofEvs:●HybridElectricVehicles(HEVs):petrolengine+battery(neverpluggedin)●Plug-inHybrid:petrolengine+ele
2、ctricmotor(pluggedin)●FullElectric:electricmotor+battery(pluggedin)WhatdoesanEVlookandsoundlike?LookslikeanormalcarSoundssilentwhenrunningashaslessmovingpartsHowdowework?Howtowork?●Useelectricitynotpetrol●Energycomesfromapoweroutletviaacordtothecar●Energystoredin
3、abattery●Energypowerstheelectricmotor,movingthecar.RegenerativeBrakingCapturestheenergyfrombraking,normallylostasheatUsesitto‘topup’thebatteryBetterfortheenvironmentproduce27percentlessCarbondioxidethanpetrolcarshelptoreducegreenhousegasemissionsProducenocarbonem
4、issionswhenpoweredusingrenewableenergycheapertorunbecauseelectricityischeaperthanpetrolbetterfortheenvironmentreducenoisepollutionlessenvironmentalimpactsacrosstheirlife-cycle(manufacture,useanddisposal)BenefitsofelectricvehiclesComparison:TESLA&BYDTESLAModelSTes
5、la’sadvancedelectricpowertraindeliversexhilaratingperformance.Unlikeagasolineinternalcombustionenginewithhundredsofmovingparts,Teslaelectricmotorshaveonlyonemovingpiece:therotor.Asaresult,Model Saccelerationisinstantaneous,silentandsmooth.Stepontheacceleratorandi
6、naslittleas3.1secondsModel Sistravelling60milesperhour,withouthesitation,andwithoutadropofgasoline.Model Sisanevolutioninautomobileengineering.TESLAMODELS70D(2015)BYDE6BYDCompanyLimitedwasfoundedin1995.Bythesizeofmorethan20startinjusttenyears,BYDbecametheITandele
7、ctroniccomponentsworld-classmanufacturingcompaniesandtheworld'ssecondlargestmobileenergyprovider.In2003,BYDamongtheworld'ssecondlargestrechargeablebatterymanufacturer.In2006,BYDselectedglobalenterprisesemerginghundred.Today,BYDsharesmorethan130,000employeesworldw
8、ide,themarketvalueofcompanyismorethan50billionHongKongdollars.Atpresent,BYD’sIT,electronicpartsandcomponentsindustryhascoverageofallmobilephonepartsandassembly