SDS

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2021-5-6
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Page 14 of 25 Pages
charging)热
冲击（低温充
电）
for 30min.
电池置于 5℃环境下，采用该温度下供应商允许的最大电流充满电后，
放于一个烘箱中加热，烘箱的温度以（5±2℃）/min 的速率上升到 130
±2℃，保持 30min。
Over
charging
（3C/4.8V）
过充电
（3C/4.8V）
Placing the cell connected with thermocouple in the fume hood, connecting
the positive and negative electrodes to a constant current and constant voltage
power supply, adjusting the current to be 3C
5
and voltage to be 4.8V, and
then charging the battery to 3C
5
until battery voltage reaches 4.8V and
current be close to 0A. Monitoring battery temperature change during the test,
and stop the experiment when the battery temperature drops to be about 10℃
lower than the peak value.将接有热电偶的电芯置于通风橱中，连接正负极
于一恒流恒压电源，调节电流至 3 C
5
、电压为 4.8V，然后对电芯以 3 C
5
充电，直到电池电压为 4.8V，电流将到接近 0A。试验过程中监视电池温
度变化，当电池温度下降到比峰值低约 10℃，停止实验
No explosion, no fire,
the maximum surface
temperature of the
battery ≤150℃
要求电芯不爆炸、不起
火，电池的表面最高温
度≤150℃
High
temperature
and short
circuit
高温短路
After charging standard, the battery’s positive and negative connect
with thermocouple or wire with resistance ≤ 80 + 20 m Ω. Under
55 ℃ + 5 ℃, battery is discharged until battery fire or explode or when
the surface temperature of the battery back to be ＜10 ℃of
environment temperature.
电芯标准充电后，将接有热电偶的电芯用电阻不大于 80±20 mΩ的导线
短接电池正负极，该实验在 55℃±5℃环境下进行，放电直至电池起火或
爆炸或当电池的表面温度恢复至环境温度 10℃以内时，试验结束
Battery does not fire
or explode. Surface
temperature does not
exceed 150℃
电池不起火、不爆炸，
外 部 表 面 温 度 不 超 过
150℃
Forced
discharge
强制放电
Under 23 ° C ± 2 ° C, cell connected with thermocouple was
discharged to 3.0 V at a current of 0.2 C5A, and then reversely charged at 1 C5
A for 90 min.电芯放在 23℃±2℃的条件下， 将接有热电偶的电芯以
0.2C5A 电流放电至 3.0V，再以 1C5A 电流对电池反向充电，持续 90min。
No explosion or fire.
Surface temp should not
exceed 150 °C. 电池应
不爆炸、不起火，外部温
度不得高于 150℃