动力电池在充电过程中的膨胀力特性
林春景, 李丹华, 温浩然, 马天翼, 常宏, 常沛祥, 李海强, 刘仕强

Research on swelling force characteristics of power battery during charging
Chunjing LIN, Danhua LI, Haoran WEN, Tianyi MA, Hong CHANG, Peixiang CHANG, Haiqiang LI, Shiqiang LIU
表2 动力电池在0.05 C、不同温度下膨胀力及其变化阶段对应的SOC数据表
Table 2 The SOC data table corresponding to the swelling force and the change stage of the power battery at 0.05 C and different temperatures
温度/℃充电末端 膨胀力/N充电末端 容量/Ah平均膨胀力 变化速率/(N/Ah)

阶段Ⅰ

(快速增加)SOC/%

阶段Ⅱ

(缓慢增加)SOC/%

阶段Ⅲ

(快速增加)SOC/%

阶段Ⅳ

(缓慢波动)SOC/%

56477.8154.0442.10~24.724.7~57.457.4~79.579.5~100
254214.0153.927.40~26.626.6~55.455.4~80.080.0~100
455292.0154.434.30~27.527.5~55.855.8~78.978.9~100