ChargingandDischargingPerformance充放电性能NO.ItemsTestMethodandConditionCriteria1StandardCharging标准充电Chargingthecellinitiallywithc***tantcurrentat0.2Candthenwithc***tantvoltageat4.2Vtillchargecurrentdeclinesto0.05C先用0.2C恒流充电至4.2V，再恒压4.2V充电直至充电电流≤0.05C2InitialCapacity初始容量Thecapacitymeansthedischargecapacityofthecell,whichismeasuredwithdischargecurrentof0.2Cwith2.5Vcut-offvoltageafterstandardcharge.该容量是指标准充电后，0.2C放电至2.5V截止电压所放出的容量。≥2.2Ah3DischargingatHighTemperature高温放电1)StandardCharge标准充电2)Putthecellinto60&plu***n;2℃hightempovenfor2hoursanddischargeat0.2CCCto2.5Vatthehightemperature.在60&plu***n;2℃的高温箱中恒温2h，在该温度下0.2C恒流放电至2.5V。Dischargingcapacity初始容量90%4DischargingatLowTemperature低温放电1)StandardCharge标准充电2)Putthecellinto-40&plu***n;2℃hightempovenfor4hoursanddischargeat2.5Afor5minandthenchangeto1Ato2.5Vatthistemperature.在-40&plu***n;2℃的高温箱中恒温4h，在该温度下恒流440mA放电35分钟，然后改用220mA恒流放电至2.5V。Dischargingcapacity初始容量85%5CycleLife循环寿命Abatteryunitshallberepeated100charge/dischargecycles,chargedatCC-CV0.2CmAto4.20V,layingthebattery5min,dischargedat0.2CmAto3.0Vendvoltage,After500cycles,recordingthedischargingcapacity电池用0.2CmA恒流恒压充饱电至4.2V,搁置5min,用0.2CmA电流放电到3.0V,记录放电容量,循环500次.Nominalcapacity标称容量Cyclelife循环寿命≥500times次6Self-discharge自放电Afterthestandardcharging,storiedthecellsundertheconditionasNo.6.4for28days,thenmeasuredthecapacitywith0.5Ctill2.5V标准充电后，在No.6.4条件下贮存28天，再以0.5C放电至2.5V所放出的容量。Residualcapacity：>90%余容量：>90%7InitialImpedanceofCell电芯初始内阻InternalresistancemeasuredatAC1KHzaftersemi-charging半充状态下，测量其AC1KHz下的交流阻抗≤30mW8CellVoltage电芯电压StateofShipment出货状态3.8V~4.1V9TemperatureCharacteristics温度特性1.Accordingtoitem5.5,at20&plu***n;5℃.2.Capacitycomparisonateachtemperature,measuredwithc***tantdischargecurrent1Cwith2.5Vcut-off.Percentageasanindexofthecapacitycomparedwith100%at20℃1.在20&plu***n;5℃条件下，用5.5方法将电池充电。2.在不同温度条件下，用0.5C的电流恒流放电至截止电压2.5V。以20℃时放电容量为基准计算百分比。-20℃:≥60%20℃:100%50℃:≥85%10StorageCharacteristics储存特性1.Accordingtoitem5.5,at20&plu***n;5℃.2.Thebatteryshallbestoredat50&plu***n;5℃for7daysandrestedatroomtemperaturefor1hourthenmeasuredwithc***tantdischargecurrent1Cwith3.0Vcut-off.1.在20&plu***n;5℃条件下，用5.5方法将电池充电。2.将电池在50&plu***n;5℃条件下贮存7天，然后在常温下静置1小时，用0.5C的电流恒流放电至3.0V截止电压。RetainedCapacity≥85%湖南合一能源科技有限公司，低温电池、低温锂电池、超低温锂电池、矿用锂离子电池、低温高倍率电池、快充锂电池生产制造***，更多产品信息详见合一电池工厂网站。（以上价格仅供参考，具体价格以实际详谈为准。）)