聚合物电池(042030P)

Item内  容

Test condition条件

Criteria达到要求

1

End of charge voltage充电截止电压

4.28±0.05V

2

End of discharge voltage放电终止电压

2.5±0.1V

3

Standard charge model

标准充电模式

With charging voltage 4.2V, current .0.5C. continued to charge the battery pack, when charging current drops to 0.01C. charging is terminated, shall be full charged.

以0.5C电流恒流充电至4.2V，转4.2V恒压充电，直到充电电流≤0.01C电流

Charging time≤8h

充电时间≤8小时

4

Standard discharge Model

标准放电性能

After standard charging, waiting 1h, and discharging cell with 0.2C to3.0V;

以标准充电模式满充后，搁置1小时，以0.2C电流恒流放电至3.0V。

Discharge time ≥ 290min

放电时间≥290Min

5

1C discharge

1倍率放电性能

After standard charging, waiting 1h, and discharging cell with 1C current to3.0V;

以标准充电模式满充后，搁置1小时，以1C电流恒流放电至3.0V。

Discharge time ≥51Min

放电时间≥51Min

6

High temperature performance

高温性能

After fully charging, storage cell 2h at 55℃±2℃, and discharge cell to 3.0V with 1C.

电池满充后在55℃±2℃度的环境下搁置2小时，然后以1C电流放电至3.0V。

Discharge time ≥51Min;No visible distortion, fire or explosion,

放电时间≥51Min，电池外观无变形、无爆裂。

7

Low temperature performance

低温性能

After standard charging, storing cell in low temperature（-10±2）℃chamber at least 16~24h, then discharge cell to 3.0V with 0.2C.

以标准模式充电，将电池放入（-10±2）℃的低温箱中恒温16～24h后，0.2C电流恒流放电至3.0V。

Discharge time ≥210Min, No visible distortion, fire or explosion,

放电时间≥210Min，电池外观无变形、无爆裂。

8

Retention Capability

荷电保持能力

After full charging, storing the battery 28 days with 20°C ± 5°C condition, and then discharge with discharge current of 0.2C5A till 3.0V cut-off voltage, discharge time should be≥255min

    电池满充电后，在20±5℃的环境条件下存放28天，然后以0.2C电流连续放电至3.0V终止电压,放电时间≥255min

Discharge time≥ 255min；

放电时间≥255Min

9

Cycle life

循环寿命

At 20±5℃ conditions, with discharge current of 0.5 C till 3.0V; Again with 0.5C constant current charging to 4.2V, then with constant voltage 4.2V charge until the charge current drops to 0.02 C, rest 30 min, with discharge current of 0.5 C till 3.0 V, rest 30 min, afte 300 cycles, the capacity with 0.2C discharge current should be≥ 80%

在20±5℃条件下以0.5C电流恒流放电至3.0V，再以0.5C电流恒流充电至4.2V，然后恒压4.2V充电至电流小于0.02C，搁置30min，以0.5C电流恒流放电至3.0V，放电结束后，搁置30min，重复循环300次后，0.2C电流放电容量应≥80％.

Cycle time≥ 300；循环次数≥300次