电池常用术语集锦.doc

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1、电池常用术语集锦电池常用术语（一）BatteryGlossaryA～C  D～L  M～Q  R～ZA—CAmperehours(Ah)-Theunitofmeasureusedforcomparingthecapacityorenergycontentofbatterieswiththesameoutputvoltage.Forautomotive(LeadAcid)batteriestheSAEdefinestheAmphourcapacityasthecurrentdeliveredforaperiodof20hoursuntilthecellvoltagedropsto1.75V

2、.Strictly-OneAmperehouristhechargetransferredbyoneampflowingforonehour.1Ah=3600Coulombs.BatteryManagementSystem(BMS)-Electroniccircuitsdesignedtomonitorthebatteryandkeepitwithinitsspecifiedoperatingconditionsandtoprotectitfromabuseduringbothcharginganddischarging.BatteryMonitoring-Sometimesconfus

3、edwithBMS(above)ofwhichitisanessentialpart,thesecircuitsmonitorthekeyoperatingparameters(current,voltage,temperature,SOC,etc.)ofthebatteryandprovideinformationtotheuser.Bobbin-Acylindricalcelldesignutilizinganinternalcylindricalelectrodeandanexternalelectrodearrangedasasleeveinsidethecellcontaine

4、r.CRate-Cisavaluewhichexpressestheratedcurrentcapacityofacellorbattery.AcelldischargingattheCratewilldeliveritsnominalratedcapacityfor1hour.CharginganddischargingcurrentsaregenerallyexpressedasmultiplesofC.Thetimetodischargeabatteryisinverselyproportionaltothedischargerate.·NCisachargeordischarge

5、ratewhichisNtimestheratedcurrentcapacityofthebatterywhereNisanumber(fractionormultiple)·CNisthebatterycapacityinAmpHourswhichcorrespondstocompletedischargeofthebatteryinNhours(Nisusuallyasubscript).AlsowrittenastheN-Hourrate.Capacity-Theelectricenergycontentofabatteryexpressedin"Watthours".Batter

6、ieswiththesameoutputvoltagealsouse"Amperehours"forcomparingcapacities.Cathode-Theelectrodeinanelectrochemicalcellwherereductiontakesplace,gainingelectrons.Duringdischargethepositiveelectrodeofthecellisthecathode.Duringchargethesituationreversesandthenegativeelectrodeofthecellisthecathode.Cellbala

7、ncing-Theprocessusedduringchargingtoensurethateverycellischargedtothesamestateofcharge.Alsocalled"Equalisation".Charge-Theprocessofreplenishingorreplacingtheelectricalchargeinarechargeablecellorbattery.Chargeefficiency