5
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Cycle Life
循環(huán)壽命
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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
電池用0.2CmA恒流恒壓充飽電至4.2V,擱置5min,用0.2CmA電流放電到3.0V,記錄放電容量,循環(huán)500次.
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Nominal capacity
標稱容量
Cycle life循環(huán)壽命≥500 times次
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6
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Self-discharge
自放電
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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
標準充電后,在No.6.4條件下貯存28天,再以0.5C放電至2.5V所放出的容量。
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Residual capacity:>90%
余容量:
>90%
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7
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Initial Impedance of Cell
電芯初始內(nèi)阻
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Internal resistance measured at AC 1KHz after semi-charging
半充狀態(tài)下,測量其AC 1KHz下的交流阻抗
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≤ 30mW
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8
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Cell Voltage
電芯電壓
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State of Shipment
出貨狀態(tài)
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3.8V~4.1V
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9
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Temperature
Characteristics
溫度特性
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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℃條件下,用5.5方法將電池充電。
2.在不同溫度條件下,用0.5C的電流恒流放電至截止電壓2.5V。以20℃時放電容量為基準計算百分比。
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-20℃: ≥60%
20℃: 100%
50℃: ≥85%
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10
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Storage
Characteristics
儲存特性
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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℃條件下,用5.5方法將電池充電。
2.將電池在50±5℃條件下貯存7天,然后在常溫下靜置1小時,用0.5C的電流恒流放電至3.0V截止電壓。
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Retained Capacity
≥85%
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