5
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Cycle Life
循环寿命
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A battery unit shall be repeated 100 charge/discharge cycles, charged at CC-CV 0.2CmA to 4.20V , laying the battery 5min, discharged at 0.2CmA to3.0V end voltage, After 500 cycles, recording the discharging capacity
电池用0.2CmA恒流恒压充饱电至4.2V,搁置5min,用0.2CmA电流放电到3.0V,记录放电容量,循环500次.
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Nominal capacity
标称容量
Cycle life循环寿命≥500 times次
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6
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Self-discharge
自放电
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After the standard charging, storied the cells under the condition as No.6.4 for 28 days, then measured the capacity with 0.5C till 2.5V
标准充电后,在No.6.4条件下贮存28天,再以0.5C放电至2.5V所放出的容量。
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Residual capacity:>90%
余容量:
>90%
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9
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Temperature
Characteristics
温度特性
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1. According to item 5.5, at 20±5℃.
2. Capacity comparison at each temperature, measured with constant discharge current 1C with 2.5 V cut-off. Percentage as an index of the capacity compared with 100% at 20℃
1.在20±5℃条件下,用5.5方法将电池充电。
2.在不同温度条件下,用0.5C的电流恒流放电至截止电压2.5V。以20℃时放电容量为基准计算百分比。
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-20℃: ≥60%
20℃: 100%
50℃: ≥85%
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10
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Storage
Characteristics
储存特性
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1. According to item 5.5, at 20±5℃.
2. The battery shall be stored at 50±5℃ for 7days and rested at room temperature for 1 hour then measured with constant discharge current 1C with 3.0V cut-off.
1. 在20±5℃条件下,用5.5方法将电池充电。
2.将电池在50±5℃条件下贮存7天,然后在常温下静置1小时,用0.5C的电流恒流放电至3.0V截止电压。
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Retained Capacity
≥85%
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