《汽车专业英语》课件-11.The Power Battery

ThePowerBatteryUnit11

职业院校汽车类专业新形态系列教材

机械工业出版社CHINAMACHINEPRESSlearnthenewwordsandexpressionsaboutthepowerbatteryofEV.1talkaboutthecommonissuesofEV’spowerbatteryandcauses.3knowabouttheconcept,function,typesandparametersofEV’spowerbattery.2describedifferenttypesofEV’spowerbattery.4Youwillbeableto:setupcustomerserviceawareness5realizepowerbatteries’impactsontheenvironmentandkeepenvironmentprotectioninmind6CONTENTS01020304Warming-upListeningandspeakingReadingandWritingNotes05WordsandExpressions01Warming-up鼠标点击单词连线，点击图片进入，单击空白处继续ACchargingcharginggunchargingpolechargingportDCchargingpowerbatteryWarmingupListenandMatchchargingpole充电桩WarmingupWarminguppowerbattery动力电池WarmingupWarmingupcharginggun充电枪WarmingupWarmingupchargingportWarmingup充电端口WarmingupDCcharging直流充电WarmingupWarmingupACcharging交流充电Warmingup1WhatarethecommonissuesofEV’spowerbattery?2Howcanyoudeterminetheexactissue?WarmingupLet’stalk.02ListeningandSpeakingdrivingrange续航里程Learnthesewordsandexpressions.increasev.增加determinev.确定chargev.充电

diagnosticadj.诊断的involvev.包括draindecreasev.减少v.消耗ListeningandSpeakingerrorcode错误代码updatev.更新loungearea休息区capacitylogv.记录n.容量onboardcomputer

车载电脑ListeningandSpeakingLearnthesewordsandexpressions.TomandJackworkastheapprenticesina4SEVstoreduringtheirsummervacation.Theyarereceivingacustomernow.Tom:Goodafternoon,sir.WhatcanIhelpyou?Thecustomer:There’ssomethingwrongwithmyEV'spowerbattery.Jack:I'msorrytohearthat.What’stheproblem?Thecustomer:Well,myEVisaboutfiveyearsold.Thepowerbatterykeepsdrainingtooquicklythesedaysandthedrivingrangehasnoticeablydecreased.Also,thechargingtimehasincreased.Tom:Thatmustbefrustrating.We'llneedtorunadiagnostictesttodeterminetheexactissue.ListeningandSpeakingListentothedialogueandrepeat.Thecustomer:Whatdoesthatinvolve?

Jack:We'llconnectadiagnostictooltoyourcar'sonboardcomputertocheckthebattery'shealth.ItwillgiveusinformationabouttheSOC

(stateofcharge),capacity,andanyerrorcodesthatmighthavebeenlogged.Thecustomer:OK,goahead.Tom:Thetesttakessometime.Pleasewaitpatientlyintheloungearea.We'llkeepyouupdatedthroughouttheprocess.Thecustomer:Thankyouforyourhelp.TomandJack:You'rewelcome!ListeningandSpeaking1.Thedrivingrangeofthepowerbatteryhasincreased.2.Tomsuggestsadiagnostictest.3.Thetestisquickandthecustomercanwaitinthecar.[][[]]FTFListenagainanddotherole-play.ListeningandSpeakingDecideTrueorFalse.(1)TranslatethefollowingChinesewordsintoEnglish.

(2)TranslatethefollowingEnglishwordsintoChinese.

Practice荷电状态续航里程错误代码诊断检测容量车载电脑drainchargefrustratingdetermineinvolvelogupdatenoticeablydecreaseincrease消耗充电令人烦恼的记录更新明显地减少增加包括确定stateofchargedrivingrangeerrorcodediagnostictestcapacityonboardcomputerListeningandSpeakingDiscussthecommonissuesofEV’spowerbatteryandcauses.Example:Thepowerbatterydrainsfast,whichmightbecausedby...Itisdueto...ListeningandSpeakingGroupWork.03ReadingandWritingreleasev.释放externaladj.外部的lifespann.

寿命rechargev.再充电

efficiencyn.

效率performancematureadj.

成熟的n.

性能

storedischargev.放电v.储存riskn.风险resistancen.抗性Readthewordsandexpressions.Whichonesdoyouknow?ReadingandWritingNiMHbattery镍氢电池energydensity比能量powerdensity比功率Li-ionbattery锂离子电池unitvoltage单位电压

lead-acidbattery铅酸电池

cycleindex循环次数Readthewordsandexpressions.Whichonesdoyouknow?ReadingandWriting1Whatisthefunctionofthepowerbattery?2WhattypesofpowerbatteriesareusedinEVs?ReadingandWritingReadthetextwiththesequestionsinmind.ThePowerBatteryofEVsElectricvehicles(EVs)areattheforefrontofatransportationrevolution,andattheheartofeveryEVliesapowerbattery.Itissimilartothefueltankinatraditionalcar.PowerbatteriesprovideenergyforthepowersystemsofnewenergyvehiclessuchaspureEVsandhybridEVs.Powerbatteriesstoreandreleaseelectricalenergythroughcharginganddischarging.TheysupplydrivingforceforEVsandrechargewhenconnectedtoanexternalpowersource.Thecapacity,efficiency,andlifespanofthebatteryarekeyfactorsthatdeterminetheoverallperformanceofanEV.ReadingandWritingThereareseveraltypesofpowerbatteriesusedinEVs,eachwithitsownadvantagesanddisadvantages.TypesofPowerBatteriesAdvantagesDisadvantagesLead-AcidBatteriesmaturetechnologylowcostlowenergydensityhighself-dischargerateshortcyclelifeheavymetalpollutionriskNiMHBatteriesgoodresistancetooverchargingandoverdischarginghighenergyandpowerdensitylongcyclelifeamemoryeffectincreasinginternalpressurehighcostLi-ionBatteriesnomemoryeffectlowself-dischargerateenvironmentallyfriendlyhighenergyandpowerdensitynohigh-currentdischargeperformancerequiredprotectivecircuitryhighcostReadingandWritingParametersofPowerBatteriesTypesofPowerBatteriesEnergyDensityw.h/kgPowerDensityw/kgUnitVoltagevCycleIndextimesLead-AcidBatteries30-45200-3002.0400-600NiMHBatteries60-80550-13501.2400-500Li-ionBatteries90-160>13003.21000-2000ReadingandWriting2.AnEV’soverallperformancedependsontheperformanceofthepowerbattery.

3.Li-ionBatterieshavehighenenrgyandpowerdensitybutlowcost.4.ThecycleindexofNiMHBatteriesislowerthanthatofLead-AcidBatteries.[][[]]TFT5.TheunitvotageofLead-AcidBatteriesislowerthanthatofNiMHBatteries.F[]T[]1.ApowerbatteryisabatterythatprovidesenergytothepowersystemofanEV.ReadingandWritingDecidetrue(T)orfalse(F).1.Powerbatteriesstoreandreleaseelectricalenergythroughcharginganddischarging.

2.Thecapacity,efficiency,andlifespanofthebatteryarekeyfactorsthatdeterminetheoverallperformanceofanEV.3.Li-ionBatterieshavehighenergy

density(60to90w.h/kg)andhighpowerdensity(over1300w).

动力电池通过充电和放电储存和释放电能。电池的容量、效率和寿命是决定电动汽车整体性能的关键因素。锂离子电池比能量高（60到90瓦时每千克）且比功率高（超过1300瓦）。ReadingandWritingTranslatethefollowingEnglishsentencesintoChinese.4.

TheunitvoltageofNiMHBatteriesis1.2vanditscycleindexreaches400to500times.5.

Lead-acidbatterieshaveheavymetalpollutionrisk,whileLi-ionbatteriesareenviromentallyfriendly.镍氢电池的单体电压为1.2伏，其循环次数达到400到500次。铅酸电池具有重金属污染风险，而锂离子电池是环保的。ReadingandWritingTranslatethefollowingEnglishsentencesintoChinese.04Notes1.

Thatmustbefrustrating.那一定令人烦恼。

must表肯定推测

例如：Theremustbesomemistakes.

一定是出了什么差错。2.mighthave+过去分词可能已经……例如：Thepowerbatterymighthavereacheditsendofeffectivelifespan.动力电池可能已达到其有效寿命的尽头。3.attheforefrontof

处于……前沿4.besimilarto类似于5.NiMH

镍氢，全称nickelmetalhydride。6.Li-ion锂离子，全称lithiumion。7.w瓦，电功率单位watt的符号。8.v伏，电压单位volt的符号。9.w.h瓦时，watthour的符号。

Notes05WordsandExpressionsLi-ionbattery锂离子电池matureadj.成熟的energyde