常规性能 General Performance
序号NO. | 项目 Item | 测试方法和条件Test meth and condition | 标准Criteria |
5.1 | 0.2C容量 0.2Ccapacity | 标准充饱电后,搁置30分钟,在23±2℃环境温度下,用0.2C电流放电至3.0V,记录放电时间。 After standard charging, rest for 30min, At 23 ± 2 ℃ ambient temperature then discharging at 0.2C to voltage 3.0V, recording the discharging time. | 放电时间≥300min。 Discharging Time≥300min. |
5.2 | 1.0C 容量 1.0C Capacity | 标准充饱电后,搁置30分钟,然后用1.0C电流放电至3.0V,记录放电时间。 After standard charging, rest for 30min, then discharging at 1.0C to voltage 3.0V, recording the discharging time. | 放电时间≥58min。 Discharging Time≥58min.
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5.3 | C-rate characteristics 放电倍率特性 | 1.0C |
标准充饱电后,搁置30分钟,然后用规定电流放电至2.75V,记录放电时间。 After standard charging, rest for 30min, then discharging at to voltage 2.75V, recording the discharging time. | 放电时间 Discharging Time | ≥58min |
6C | ≥9.6min |
10C | ≥5.4min |
5.4 | 循环寿命 Cycle Llife | 先用0.5C恒流充电至4.2V,再恒压4.2V充电直至充电电流≤0.02C,搁置10分钟,再用0.5C电流放电至3.0V;再搁置10分钟,重复以上步骤。 Constant current 0.2C charge to 4.2V, then constant voltage charge to current declines to 0.02C, rest for 10min, constant current 0.2C discharge to 3.0V, rest for 10min. Repeat the above steps,
| ≥300times(次) 容量保持率≥80% Remaining Capacity≥80% |
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