ICR18650NH锂电池电芯规格书(英文)文档格式.doc

ICR18650NH锂电池电芯规格书(英文)文档格式.doc

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Approved

CustomerApproval

（Date）

Controlcode：

0806016

Revision

Date

Originator

Description

2008-6-24

EngineeringCenter

OriginalRelease

RevisionHistory

VersionNO:

ICR18650NH

Item

Remarks

4.1

Typicalcapacity

2600mAh

0.2C5Adischarge

4.2

MinimumCapacity

2500mAh

4.2NominalVoltage

8.4V

4.3DischargingVoltage（Min）

7.4V

4.4ChargingVoltage（Max.）

8.4±

0.1V

4.5ChargingCurrent（Std.）

0.5C5A

4.6DischargingCurrent（Std.）

0.2C5A

4.7ChargingCurrent（Fast）

1C5A

0~40°

C,<

95%RH

4.8DischargingCurrent（Fast）

4.9DischargingCurrent（Max.）

2C5A

4.10InternalImpedance

≤200mΩ

4.11Weight

100±

2.0g

4.12 Outline dimension （seefigure）

width

φ38±

0.2mm

（IncludingPVC）

Length

68±

0.5mm

4.13Batterycellstorageandtransportationenvironmentandtemperatureranges

Min1Month

-20~+60°

75%RH*

Initialstatusofcell3.80Vand

50%ofcharge,thecapacitylostduringshipment<

20%.Capacityrecoverrate>

80%.

Min3Months

-20~+45°

Min12Months

-20~+25°

Page

1/11

1.Scope

ThisSpecificationisappliedtorechargeablelithiumionbatterycellofthefollowingmentionedtypeforvariousapplicationsinmobilecommunicationdevicesandportablepowersystems.

2.CellClassificationandType

2.1CellClassification：

LithiumIonBatteryCell

2.2CellType：

3.Standard

ThespecificationisbasedonthetechnicalspecificationofGB/T18287-2000、UL1642andIEC61960.

4.NominalSpecification

2/11

5.ElectricalCharacteristics

TestMethod

Performances

5.1FullCharge

5.2Capacity

5.3Cyclelife

5.4Capacityretention

Thechargersupplies1Cconstantcurrentuntilbatteryvoltagereaches8.4V，thenbechangedatconstant

voltageof8.4Vwhiletaperingthechargecurrenttolessthanorequalto0.01C.Chargingtimeis3.0hoursinall.

①Within1hourafterfullycharged,dischargedat0.2C

continuouslydownto7.4V.

②Within1hourafterfullycharged,dischargeat1C

Abatteryunitshallberepeated300charge/dischargecycles,chargedatCC-CV（0.5C-4.2V）for3.0hours,dischargedat0.5Ccontinuouslydownto7.4VCut-offVoltage.Measuredischargecapacity.

CHINENGguaranteethattheresidualcapacityof2cellsinserieswithoutcircuitryisoverthan80%after

300cycles.

（Capacitytestingafter300cycleswillbeperformedunderconditionof0.5Cchargingand0.2Cdischarging）

Afterfullycharged,storedfor28daysat20°

C,thenfor1hourbetween20°

Cto25°

Candcontinuouslydischarge

at1Cto7.4V.

Morethan300min

Morethan54min

≥80%capacity

Capacityretentionrate≥

85%

※MinimunCapacity

Theminimumcapacityisinthespecificationstable.Thetermreferstothecapacitywhenthechargedcellsaredischargedtothecut-offvoltagefor5hoursat20°

C±

5°

C.

※TypicalCapacity

Typicalcapacityreferstothemedianvalueofthecapacitywhenabatterycellisdischargedtothecut-offvoltagewiththecurrentof0.2Cat20°

※LimitChargeVoltage

Chargedcellswithconstantcurrenttoreachavoltagevalue,thenkeepthevoltageconstantandcontinuetochargethem.Thevoltageisreferredtoaslimitedchargevoltage.Thevalueis4.2V.

※Cut-offVoltage

Cut-offVoltageReferstotheendvoltagewhenabatterycellisdischargedtoreach.Thevalueis7.4V.

QP-09-E167-NH

3/11

6.TemperatureAdaptability

6.1Capacityatdifferenttemperature

6.2Dischargeatconstanttemperature/humidity

6.3Vibration

6.4Shock

6.5Freefall

Measurecapacitywithconstantdischargecurrentof

0.2Cto7.4Vcut-offateachtemperatureaftercompletechargeat20℃.

Percentageasanindexofthecapacitycomparedwith

100%at20℃.Keepthebatteryat40℃and90%RH,goalis95%,for48hrsandthendischargeat1Cto

7.4VCut-offVoltage.

Thebatterycellwillbevibrated10sinesweepsinthreemutuallyperpendiculardirectionswithamplitudeof0.19-0.38mmandchangingfrequencybetween10and55Hz.Therateofscanningfrequencyisfrom10HZto55HZwiththerateof1HZpermin.

Thebatterycellshallbeaccelerated1000timesat

100m/s2fordurationsof16mS.

Thebatterycellwillbedroppedfreeonetimeinthreemutuallyperpendiculardirectionsfromtheheightof

1.0montoahardboardwiththethicknessof20mm.

Minimumcapacity:

60%at-20℃

80%at0℃

95%at55℃

Thebatterycellshallnotrupture,smoke,catchfire,ventorleak.Thetimeofdischargeisnolessthan36min.

Thebatterycellshallnotrupture,smoke,catchfire,ventorleak.Thevoltageisnolessthan3.6V.

Thebatterycellshallnotrupture,smoke,catchfire,ventorleak.

7.SafetyCharacteristics

7.1ShortCircuit

7.2Overcharge

Thebatterycellistobeshort-circuitedbyconnectingthepositiveandnegativeterminalsofthebatterywithanexternalloadoflessthan100mΩuntilthesurfacetemperaturedecrease10degreefromthehighestpoint.

Thebatterycellchargedcompletelywillbechargedcontinuouslyfor8hrswiththeexternalpowersupplyofthelimitvoltageof4.6Vandthecurrentof3A.

Thebatterycellshallbenofire,somkeorexplosion.

Thebatterycellshallbenofire,smokeorexplosion.

4/11

7.3Overdischarge

7.4Crush

7.5Impact

7.6Heating

Aftercompletecharge,thebatterycellwillbedischargedtoendvoltage.Thenconnectwithexternalloadof30Ωdischargefor24hrs.

Achargedbatterycellistobecrushedbetweentwoflatsurfaces.Theforceforthecrushingistobeappliedbyahydraulicramwitha1.25inch（32mm）diameterpiston.Thecrushingistobecontinueduntilapressurereadingof17.2Mpaisreachedonthehydraulicram,appliedforceof13kN.Oncethemaximumpressurehasbeenobtaineditistobereleased.

Dropa10kghammerfromaheightof1montothecellthatisplacedonaflatsurface.（Thelargestsurfaceofthebatterycellshallbeperpendiculartotheflatsurface.）

Placethebatterycellinanoven.Thetemperatureoftheovenistoberaisedatarateof5℃±

2℃/mintoatemperatureof130℃±

2℃,andremainfor

30minatthattemperature.

Thebatterycellshallnotruptureorcatchfire.

Deformationofthebatterycellisallowed,butthereshallbenofireorexplosion.

Thebatterycellshallbenofireorexplosion.

8．StandardTestConditions

8.1TestCondition

Unlessotherwisespecified,alltestsstatedinthisProductSpecificationsshallbeconductedunderthefollowingatmospherecondition:

Temperature:

15℃–35℃;

RelativeHumidity:

45%–75%;

AtmosphericPressure:

86kPa–106kPa.

8.2Measuringmeters&

Instruments

8.2.1Voltmetershouldhaveaprecisionof±

0.5%orhigher.Itsinternalimpedanceshouldnotbelessthan10kΩ/V.

8.2.2Ammetershouldhaveaprecisionof±

0.5%orhigher.

8.2.3Hour-metershouldhaveaprecisionof±

0.1%orhigher.

8.2.4Thermometershouldhaveaprecisionof±

0.5℃orhigher.

8.2.5Thecurrentofaconstant-currentsupplyshouldbestableandadjustable.Itsvariationshallbewithin±

1%duringthecharginganddischargingprocess.

8.2.6Thevoltageofaconstant-voltagesupplyshouldbestableandadjustable.Itsvariationshallbewithin±

0.5%.

5/11

9. DesignandConstruction

Thedesign,structureanddimensionofthebatterycellareshownontheattacheddrawing（seefigure）.

10. Appearance

Thereshallbenopracticaldamagesuchasconspicuousliquidelectrolyteleakage,flawelectrolyteleakage,rust,dirt,anddeformation.Thebatterycellmusthavemarketability.

11.PackingandShippingcells

①InspectionBeforeShipmentofthebatterycells

•Inspectvoltage,internalimpedanceandcapacityandprotectioncircuitfunctionbeforeshipment.Minimumagingperiodshouldbemorethan4weeksfromdateofman