SDS

THE COPYRIGHT BELONGS TO TINNO MOBILE TECHNOLOGY CORP.
2019-11-18
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Page 10 of 41 Pages
NTC 电 阻 精 度 要 求 10k±1% ， 把 电 池 放 在 恒 温 箱 里 在
-10℃,-5℃,0℃,25℃,45℃,55℃，60℃环境下存储45min,
并分别记录各温度下的NTC阻值(单位kΩ),NTC电阻在保护
板上的位置需要避免放置在MOSS等发热器件旁边，距离要求
5mm以上，NTC按照指定型号选用。
Cycle
performance
循环性能
If capacity < 1500mAh, under
23℃±2℃,
battery is
discharged at 1 C to cut-off voltage, and put aside for
10 minutes. Then it is charged at 1C to the limiting
voltage and cut-off current of 0.02C, and stored for 10
minutes. Repeating the above steps to cycle battery.
If capacity
≥
1500mAh, under
23℃±2℃,
battery is
discharged at 0.5 C to cut-off voltage, and put aside for
10 minutes. Then it is charged at 0.5C to the limiting
voltage and cut-off current of 0.02C, and stored for 10
minutes. Repeating the above steps to cycle battery.
Criteria about capacity refers to below form.
在环境温度为 23℃±2℃时,容量＜1500mAh 的电池用 1 C 放
电放电至终止电压，搁置 10 分钟；再以 1C 充电至限制电压，
截止电流 0.02 C；搁置 10 分钟；再按照上述步骤进行下一
个充放电循环，容量
≥
1500mAh 的电池用 0.5 C 放电放电至
终止电压，搁置 10 分钟；再以 0.5 C 充电至限制电压，截
止电流 0.02C；搁置 10 分钟；再按照上述步骤进行下一个
充放电循环，循环次数和容量要求按照附表
500 cycles capacity retention
rate ≥80%
Swelling rate
≦
8%.
No obvious difference on battery
surface before and after test.
（
Prismatic battery should meet
standard of Class C. Prismatic
polymer battery should meet
standard of Class A. Subjecting to
project requirements
）
500 次循环容量保持率≥80%，电池
厚度变化率≦8% ，电池外观相比实
验前无明显差异（铝壳电池要求符
合 C 类标准，聚合物电池要求符合
A 类标准，特殊需求按照项目要求）。
Low
temperature
cycle at 0
℃
0℃低温循环
At the temperature of 0±2℃, battery was charged and
discharged at 0.5 C for 30 cycles.
电池在 0±2℃的温度条件下，电池用 0.5 C 进行充放电，循
环 30 次。
Capacity retention rate ≥80%, room
temperature recovery capacity ≥85%*
room-temperature nominal capacity,
swelling rate ≤5%, change rate of internal
resistance≤50%. No obvious difference on
battery surface before and after test. 要 求
循环容量保持率
≥80%
，常温恢复容量
≥85%*常温标称容量，电池厚度变化率
≤5%
，内阻变化率
≤50%
，电池外观相比
实验前无明显差异。
45
℃
high
temperature
cycle
45℃高温循
Battery is put into a high temperature box of 45±2
℃
to
be charged and discharged at 0.5C for 400 times.
将电池放入 45±2℃的高温箱中，电池用 0.5 C5 进行充放电
放，循环 400 次
Capacity retention rate ≥80%. After
this test, thickness change rate of
battery between fully- charged state
and shipping state is less than 10%.