供应合一能源低温快充锂电池充放电性能介绍
地区：湖南 长沙
认证：
无
图文详情
产品属性
相关推荐
充放电性能
|
NO. |
Items |
Test Method and Condition |
Criteria |
|
1 |
Standard Charging 标准充电 |
Charging the cell initially with constant current at 0.5C and then with constant voltage at 4.2V till charge current declines to 0.05C 先用0.5C恒流充电至4.2V，再恒压4.2V充电直至充电电流≤0.05C |
|
|
2 |
Initial Capacity 初始容量 |
The capacity means the discharging capacity of the cell, which is measured with discharging current of 0.2C with 3.0V cut-off voltage after standard charging. 该容量是指标准充电后，0.2C放电至3.0V截止电压所放出的容量。 |
≥ 2400mAh |
|
3 |
Discharging at High- Temperature 高温放电
|
1) Standard Charging标准充电 2) Put the cell into 80±2℃ high temp oven for 2 hours and discharge at 0.2C CC to 3.0V at the high temperature. 在80±2℃的高温箱中恒温2h，在该温度下0.2C恒流放电至3.0V。 |
Discharging capacity初始容量85%
|
|
4 |
Discharging at Low Temperature 低温放电 |
1) Standard Charging标准充电 2) Put the cell into -40±2℃ high temp oven for 4 hours and discharging at 1C CC to 2.5V at the high temperature. 在-20±2℃的高温箱中恒温4h，在该温度下1C恒流放电至2.5V。 |
Discharging capacity初始容量60%
|
|
5 |
Cycle Life 循环寿命
|
A battery unit shall be repeated 100 charge/discharge cycles, charged at CC-CV 5CmA to 4.20V , laying the battery 5min, discharged at 0.5CmA to3.0V end voltage,After 400 cycles,recording the discharging capacity 电池用5CmA恒流恒压充饱电至4.2V,搁置5min,用0.5CmA电流放电到3.0V,记录放电容量,循环400次. |
Nominal capacity标称容量 Cycle life循环寿命≥400 times次 |
|
6 |
Self-discharge 自放电 |
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 3.0V 标准充电后，在No.6.4条件下贮存28天，再以0.5C放电至3.0V所放出的容量。 |
Residual capacity：>90% 余容量： >90% |
|
7 |
Initial impedance of cell 电芯初始内阻 |
Internal resistance measured at AC 1KHz after 50% charging 半充状态下，测量其AC 1KHz下的交流阻抗 |
≤ 10mW |
|
8 |
Cell Voltage 电芯电压 |
As of shipment. 出货状态 |
3.8V~4.1V |
|
9 |
Temperature Characteristics 温度特性 |
1. According to item 5.5, at 20±5℃. 2. Capacity comparison at each temperature, measured with constant discharge current 1C with3.0V 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3.0V。以20℃时放电容量为基准计算百分比。 |
-20℃: ≥60% 20℃: 100% 50℃: ≥85% |
|
10 |
Storage Characteristics 储存特性 |
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。 |
Retained Capacity ≥85% |
湖南合一能源科技有限公司，低温电池、低温锂电池、超低温锂电池、低温18650锂电池、18650动力电池组、磷酸铁锂电池组、矿用锂离子电池、低温高倍率电池、快充锂电池生产制造专家，更多产品信息详见合一电池工厂网站。
（以上价格仅供参考，具体价格以实际详谈为准。）
多种型号
合一电池
可定制
3.7V
