电动汽车英语PPT

AnBriefIntroductionToSpeechmaker:LeiLuoMembers:XinChenYeyuChenMeidiSunZhewenHeWeiWangWhatisanelectricvehicle?Werunonelectricity！WehavethreetypesofEvs:●HybridElectricVehicles(HEVs):petrolengine+battery(neverpluggedin)●Plug-inHybrid:petrolengine+electricmotor(pluggedin)●FullElectric:electricmotor+battery(pluggedin)WhatdoesanEVlookandsoundlike?LookslikeanormalcarSoundssilentwhenrunningashaslessmovingpartsHowdowework?Howtowork?●Useelectricitynotpetrol●Energycomesfromapoweroutletviaacordtothecar●Energystoredinabattery●Energypowerstheelectricmotor,movingthecar.RegenerativeBraking•Capturestheenergyfrombraking,normallylostasheat•Usesitto‘topup’thebatteryBetterfortheenvironment•produce27percentlessCarbondioxidethanpetrolcars•helptoreducegreenhousegasemissions•Producenocarbonemissionswhenpoweredusingrenewableenergy•cheapertorunbecauseelectricityischeaperthanpetrol•betterfortheenvironment•reducenoisepollution•lessenvironmentalimpactsacrosstheirlife-cycle(manufacture,useanddisposal)BenefitsofelectricvehiclesComparison:TESLA&BYDTESLAModelSTesla’sadvancedelectricpowertraindeliversexhilaratingperformance.Unlikeagasolineinternalcombustionenginewithhundredsofmovingparts,Teslaelectricmotorshaveonlyonemovingpiece:therotor.Asaresult,ModelSaccelerationisinstantaneous,silentandsmooth.Stepontheacceleratorandinaslittleas3.1secondsModelSistravelling60milesperhour,withouthesitation,andwithoutadropofgasoline.ModelSisanevolutioninautomobileengineering.TESLAMODELS70D(2015)BYDE6BYDCompanyLimitedwasfoundedin1995.Bythesizeofmorethan20startinjusttenyears,BYDbecametheITandelectroniccomponentsworld-classmanufacturingcompaniesandtheworld'ssecondlargestmobileenergyprovider.In2003,BYDamongtheworld'ssecondlargestrechargeablebatterymanufacturer.In2006,BYDselectedglobalenterprisesemerginghundred.Today,BYDsharesmorethan130,000employeesworldwide,themarketvalueofcompanyismorethan50billionHongKongdollars.Atpresent,BYD’sIT,electronicpartsandcomponentsindustryhascoverageofallmobilephonepartsandassemblyoperations.BYDE6(2014)Comparison:TESLA&BYDTESLAMODELS70D(2015)BYDE6(2014)Size(mm)4970*1964*14454560*1822*1645Price(RMB)685,000369,800TopSpeed(Km/h)2251400—100km/h(s)5.414.62TopRange(Km)442300WhataresomedisadvantagesofEVs?•currentlymoreexpensivethannormalcars•notmanyplacestochargeyourcar•Chargingcantakehours•Silentoperation–potentiallydangerousforpedestrians