IEC62619检测项目.docx

IEC62619检测项目.docx

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IEC62619检测项目

IEC-62619检测项目

IEC62619于2017年2月13日发布，是储能电池的安全标准，属于自愿性认证。

IEC62619---《Secondarycellsandbatteriescontainingalkalineorothernon-acidelectrolytes–Safetyrequirementsforsecondarylithiumcellsandbatteries,foruseinindustrialapplications》

目前已认证厂家包括但不限于：

厂家：

大连中比（大连比克）产品：

电芯26650

厂家：

中兴派能产品：

储能系统

适用范围/产品

1、大容量工业用电池系统中的电芯、电池

8.2Reasonablyforeseeablemisuse

试验项目

章节号

标准要求

Externalshortcircuittest（cellorcellblock）

8.2.1

Fullychargedcellsarestoredinanambienttemperatureof25°C±5°C.Eachcellisthenshortcircuitedbyconnectingthepositiveandnegativeterminalswithatotalexternalresistanceof30+/-10mΩ.

Thecellsaretoremainontestfor6horuntilthecasetemperaturedeclinesby20%ofthemaximumtemperaturerise,whicheveristhesooner

Impacttest（cellorcellblock）

8.2.2

Thetestsampleistobeplacedonaflatsurface.A15,8mmdiameterbaristobeplacedacrossthe centreofthesample.A9,1kgmassistobedroppedfromaheightof61±2,5cmontothebar placedonthesample.

Acylindricalorprismaticcellistobeimpactedwithitslongitudinalaxisparalleltotheflatsurfaceandperpendiculartothelongitudinalaxisofthe15,8mmdiametercurvedsurfacelyingacrossthe  centreofthetestsample.Aprismaticcellisalsotoberotated90degreesarounditslongitudinalaxissothatboththewideandnarrowsideswillbesubjectedtotheimpact.Eachsampleistobesubjectedtoonlyasingleimpactwithseparatesamplestobeusedforeachimpact.（seefigure2）

Droptest（cellorcellblock,andbatterysystem）

8.2.3

Thedroptestisconductedonacellorcellblock,andbatterysystem*.Thetestmethodandtheheightofthedroparedeterminedbythetestunitweightasshowninthetable2.

Wholedroptest（cellorcellblock,andbatterysystem）

8.2.3.1

Eachfullychargedtestunitisdroppedthreetimesfromaheightshownintable2ontoaconcretefloor.

Inthecaseofthemassoftestunitislessthan7kg,thetestunitsaredroppedsoastoobtainimpactsinrandomorientations.Inthecaseofthemassoftestunitis7kgormoreandlessthan20kg,thetestshallbeperformedwiththetestunitdroppedinthebottomdowndirection.Thebottomsurfaceofthetestunitisspecifiedbythemanufacturer.

Afterthetest,thetestunitsshallbeputonrestforaminimumofonehourandthen434avisualinspectionshallbeperformed.

Edgeandcornerdroptest（cellorcellblock,andbatterysystem）

8.2.3.2

Each fullychargedtestunitisdroppedtwotimesfromaheightshownintable2ontoaconcretefloor.  Thedroptestconditionsshallassure,withtestarrangementsasshowninFigure3,Figure4andFigure 5 5,reproducibleimpactpointsfortheshortestedgedropimpactandthecornerimpacted.Thetwoimpacts,perimpacttype,shallbeonthesamecornerandonthesameshortestedge.Forthe cornerandedgedrops,thetestunitshallbeorientedinsuchawaythatastraightlinedrawnthroughthestruckcorner/edgeandthetestunitgeometriccentreisapproximatelyperpendiculartotheimpactsurface.

Thermalabusetest（cellorcellblock）

8.2.4

Eachfullychargedcell,stabilizedatroomtemperature,isplacedinagravityorcirculatingairconvectionoven.

Theoventemperatureisraisedatarateof5°C/min±2°C/mintoatemperatureof85°C±5°C.Thecellremainsatthistemperaturefor3hbeforethetestisdiscontinued.

Overchargetest（cellorcellblock）

8.2.5

Thetestshallbecarriedoutatanambienttemperatureof25°C±5°C.Eachtestcellshallbedischargedataconstantcurrentof0,2 It Atoafinaldischargevoltagespecifiedbythemanufacturer.Samplecellsshallthenbechargedwithaconstantcurrentequaltothemaximumspecifiedchargecurrentofthebatterysystemuntilthevoltagereachesthemaximumvoltagevaluethatispossiblewhenanysinglefailureonthechargecontrolorchargeprotectionfunctionoccurs.Then,thechargeisterminated.Thevoltageandtemperatureshouldbemonitoredduringthetest.

Thetestshallbecontinueduntilthetemperatureofthecellsurfacereachessteadystateconditions（lessthan10°Cchangeina30-minuteperiod）orreturnstoambient.

Forceddischargetest（cellorcellblock）

8.2.6

Adischargedcellissubjectedtoaforceddischargeat1,0 It Aforatestperiodof90min.Afterthetestperiod,avisualinspectionshallbeperformed.

Ifthedischargevoltagereachesthetargetvoltageshownbelowwithinthetestperiod,thevoltageshallbekeptatthetargetvoltagebyreducingthecurrentfortheremainingtestperiod.Thetargetvoltageisdeterminedasfollows:

i.Batterysystemprovidedwithredundantindependentprotectionfordischargevoltagecontrolorthebatterysystemhasonlysinglecellorcellblock:

Targetvoltage=-（upperlimitchargevoltageofthecell）

ii.Batterysystemprovidedwithonlyasingleprotectionorlessfordischargevoltagecontrol:

Targetvoltage=-[upperlimitchargevoltageofthecell × （n-1）].

n;thenumberofcellsconnectedinseriesinthebatterysystem.

8.3Considerationsforinternalshort-circuit 529 –Designevaluation

Internalshort-circuittest（cellorcellblock）

8.3.2

Refertoclause8.3.9ofIEC62133Ed.2

ThesamplepreparationproceduremaybechangedfromtheprocedureoutlinedinIEC62133priortoperformingthefinalpressingprocesswiththecorrespondingchargingprocedureaccordingtoclause5428.3.9ofIEC62133Ed.2.

Propagationtest（batterysystem）

8.3.3

Thebatterysystemisfullychargedandthenleftuntilthecellsstabilizeat25°C ±5°C.Onecellinthebatterysystemisheateduntilthecellentersthermalrunaway,forexample,usingresistiveheatingorthroughthermalconductiveheattransferusinganexternalheatsource.Themethodusedtocreateathermalrunawayinonecellistobedescribedanddocumentedinthetestreport.Afterthermalrunawayinthecellisinitiated,theheateristurnedoffandbatterysystemisobservedfor1hour.

Othermethodsthantheexamplesnotedabovetoinitiatethermalrunawayinonecellareallowed.SeenormativeAnnex-1formoredetails.

9Functionalsafety（systemsafety）

Overchargecontrolofvoltage（batterysystem）

9.2.2

Thetestshallbecarriedoutinanambienttemperatureof25°C±5°Candundernormaloperatingconditionswiththecoolingsystem（ifany）operating（maincontactorsareclosedwiththebatterysystemcontrolledbytheBMU）.Eachtestbatterysystemshallbedischargedataconstantcurrentof0,2 It A,toafinaldischargevoltagespecifiedbythemanufacturer.Samplebatteriesshallthenbechargedatthemaximumcurrentoftherecommendedchargerwithsetvoltageexceedingtheupperlimitchargevoltageby10%foreachcellinthebattery.

Theexceededvoltagecanbeappliedbyanadditionalchargerifitisdifficulttodoitbytheoriginalcharger.Alsotheexceededvoltagecanbeappliedtoapartofthecell（s）inthebatterysystemifitisdifficulttodoitinusingthewholebatterysystem.

ThetestshallbecarriedoutuntiltheBMUterminatesthecharge,whichshouldoccurbeforereaching110%oftheupperlimitchargevoltage.Dataacquisition/monitoringshallbecontinuedforonehourafterchargeisstopped.Allfunctionsofthebatterysystemshallbefullyoperationalasdesignedduringthetest.

Overchargecontrolofcurrent（batterysystem）

9.2.3

Thetestshallbecarriedoutinanambienttemperatureof25°C±5°Candundernormaloperatingconditionswiththecoolingsystem（ifany）operating（maincontactorsclosedwiththebatterysystembeingcontrolledbytheBMU）.Eachtestbatterysystemshallbedischargedataconstantcurrentof0,2 It A,toafinaldischargevoltagespecifiedbythemanufacturer.Samplebatteriesshallthenbechargedatacurrentexceedingthemaximumchargecurrentby20%.Dataacquisition/monitoringshallbecontinuedforonehourafterchargeisstopped.Allfunctionsofthebatterysystemshallbefullyoperationalasdesignedduringthetest

Overheating661 control（batterysystem）

9.2.4

Thetestshallbecarriedoutinaninitialambienttemperatureof25°C±5°Candundernormaloperatingconditions（maincontactorsareclosedwithbatterysystembeingcontrolledbytheBMU）withtheexceptionthatthecoolingsystem,ifprovided,shallbedisconnected.Eachtestbatterysystemshallbedischargedataconstantcurrentof0,2 It A,toafinaldischargevoltagespecifiedbythemanufacturer.Samplebatteriesshallthenbechargedattherecommendedcurrenttoa50%stateofcharge.Thetemperatureofthebatterysystemshallbeincreasedto5°Cabovethemaximumoperatingtemperature.ThechargeiscontinuedattheelevatedtemperatureuntiltheBMUterminatesthecharge.Dataacquisition/monitoringshallbecontinuedforonehouraftersequenceisstopped（e.g.theBMUhasterminatedcharge）.