Datasheet

File No./文件编号：KCLD-D-005 REV/版本：A/0 Page 6 of 9
5 General Performance 常规性能
No.
Item 项目
Test Methods and Condition 测试方法和条件
Criteria 标准
5.1
Cycle Life
循环寿命
Constant current 0.5C charge to 4.2V, then constant voltage
charge to current declines to 0.03C, rest 10min，constant
current 0.2C discharge to 3.0V，rest 10min. Repeat above
steps till continuously discharging capacity Higher than 80%
of the Initial Capacities of the Cells
先用 0.5C 恒流充电至 4.2V 恒压 4.2V 直至充电电流
≤0.03C,搁置 10 分钟,再用 0.2C 电流放电至 3.0V;又搁置
10 分钟,重复以上步骤,直到放电容量是初始容量的 80%结
束.
≥500 times(次)
5.2
Capability of
keeping
electricity
荷电保持能力
20±5℃, After standard charging, rest the battery 28days,
discharging at 0.2C to capacity Higher than 80% recording
the discharging time.
在 20±5℃状态下,标准充饱电后,电芯搁置 28 天,然后用
0.2C 放电容量高于 80%,所记录放电时间.
≥240min
6 Environment Performance 环境性能
No.
Item 项目
Test Methods and Condition 测试方法和条件
Criteria 标准
6.1
Discharge at
high
temperature
高温放电
After standard charging, rest the Cells 4h at 60±2℃, then
discharging at 1C to voltage 3.0V, recording the discharging
time.
标准充电后，在 60±2℃条件下贮存 4h，然后用 1C 放电至
3.0V,所记录放电时间.
≥54min
6.2
Discharge at
low temperature
低温放电
After standard charging, rest the Cells 16h at -20±2℃, then
discharging at 0.2C to voltage 3.0V, recording the discharging
time.
标准充电后，在-20±2℃条件下贮存 16h，然后用 0.2C 放电
至 3.0V,所记录放电时间.
≥210min
6.3
Thermal shock
热冲击
Put the battery in the oven. The temperature of the oven is to be
raised at 5±2℃ per minute to a temperature of 130±2℃ and
remains 30 minutes.
将电池放进烘箱内, 以 5±2℃/min 速度升高烘箱内温度至
130±2℃后,恒温 30min.
No fire, no smoke
不起火,不冒烟
7 Safe Characteristic 安全性能
No.
Item 项目
Test Methods and Condition 测试方法和条件
Criteria 标准
7.1
Over charge
testing
At 23±5℃, charging batteries with constant current
3C to voltage 10V, then with constant voltage 10V till
current decline to 0. Stop test till batteries’ temperature 10℃
No smoke or fire
不起火,不冒烟