Aging Test - Cylindrical Cell - Part 02 - Modules

Test Sample Specifications Configuration: 3P9S (3 cells in parallel (bank), 9 banks in series) Module Nominal Capacity = 10.2 Ah Graphite / NCA Cells 18650 Cells Cycling Protocol - Normal Voltage Window Charge: CCCV at 1C up to 37.8 V and a C/20 cutoff current Discharge: CC at 1C down to 24.3 V Capacity Fade = 20 % Number of Cycles = 100 Cycling Protocol - Reduced Voltage Window Charge: CCCV at 1C up to 36.0 V and a C/20 cutoff current Discharge: CC at 1C down to 26.1 V Capacity Fade = 20 % Number of Cycles = 135### 测试样品规格配置 采用3P9S构型（3颗电芯并联为一组，共9组串联），模组标称容量为10.2 Ah。测试电芯为石墨负极/镍钴铝（NCA）正极18650型电芯。 #### 循环测试规程——标准电压窗口 充电：以1C倍率采用恒流恒压（Constant Current Constant Voltage, CCCV）充电至37.8 V，截止电流为C/20； 放电：以1C倍率采用恒流（Constant Current, CC）放电至24.3 V； 该工况下容量衰减目标为20%，总循环次数为100次。 #### 循环测试规程——缩减电压窗口 充电：以1C倍率采用恒流恒压（Constant Current Constant Voltage, CCCV）充电至36.0 V，截止电流为C/20； 放电：以1C倍率采用恒流（Constant Current, CC）放电至26.1 V； 该工况下容量衰减目标为20%，总循环次数为135次。