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No. | Item 项目 | Test Methods and Condition 测试方法和条件 | Criteria 标准 |
6.1 | 55℃ Capacity 55℃高温放电 | At standard testing condition,after standard charging, rest battery at 55℃ for 5h, then discharging at I3A to voltage FD, recording the discharging Capacity. 样品按标准充电方式充满电后,将其放入55℃±2℃的高温箱中静置5h后,以I3A电流放电至终止电压2.5V,记录电池的放电容量。 | ≥95%Nominal Capacity标称容量
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6.2 | Discharge at low temperature 低温放电 | At standard testing condition,after standard charging, rest the cells 16h at -40±2℃, then discharging at I5A to voltage FD, recording the discharging time. 在标准测试环境下,标准充电后,在-40±2℃条件下贮存16h,然后用 I5A放电至 FD,所记录放电时间. | ≥75%Nominal Capacity标称容量
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6.3 | Constant Temperature and Humidity 恒定湿热性能 | A cell is charged at standard method,and stored in an ambient temperature of 40±2℃(90~95%RH ) for 48h,then placed in room temperature for 2h. After that,check its appearance prior to being discharged to cut-off voltage at a constant current of I5A. 电芯按标准充电结束后,将电芯放入40±2℃(90~95%RH)的恒温恒湿箱中搁置48h后,将电芯取出在室温下搁置2h,目测电芯外观,再以I5A电流放电至终止电压。 | 1.no distorsion,no rust,no fume,no explosion; 2.the discharging time is not less than 60% nominal Capacity. 1.电芯外观应无变形,锈蚀,冒烟或爆炸。 2.≥60%Nominal Capacity标称容量 |
6.4 | Vibration Test 振动测试 | A cell is charged at standard method,then installed onto the vibration desk with clamps. Equipment parameters of frequency and amplitude are as follows(the frequency is to be varied at the rate of 1oct/min between 10 and 55 herts,and repeat vibration for 30min.The cell is to be tested in three mutually perpendicular directions): frequency:10Hz~30Hz amplitude: 0.38mm frequency:30Hz~55Hz amplitude: 0.19mm 电芯按6.2或6.3的规定充电结束后,将电芯用夹具安装在振动台的台面上,按下面的振动频率和对应的振幅调整好实验设备,X,Y,Z三个方向每个方向上从10~55Hz循环扫频振动30min,扫频速率为1oct/min; 振动频率:10Hz~30Hz 位移幅值(单振幅):0.38mm; 振动频率:30Hz~55Hz 位移幅值(单振幅):0.19mm。 | 1.no scratch,no leakage,no fume,no explosion; 2.the voltage is min3.2V. 1、电芯外观应无明显损伤,漏液,冒烟或爆炸。 2、单体电芯电压不低于3.2V。 |
6.5 | Drop Test 自由跌落 | A cell is charged in accordance with7.4,then dropped from a height of 1100mm to a wooden board(20mm thick).Cells shall be dropped in each of three mutually perpendicular directions.Total drop times are 6. 电芯按7.4的规定试验结束后,将电芯样品由高度为1100mm的位置自由跌落到20mm厚的硬木板上,从X,Y,Z正负方向(六个方向)每个方向自由跌落1次。 | no leakage,no fume,no explosion. 电芯应不漏液,冒烟或爆炸 |
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