锂离子电池电化学模型发展与应用

昝文达, 张睿, 丁飞

Development and application of electrochemical models for lithium-ion batteries

Wenda ZAN, Rui ZHANG, Fei DING

图6 (a) 软包电池在5 ℃放电结束时的2D温度分布，仿真(左侧)和实验(右侧)结果；(b) 在5 ℃充电(左侧)和放电(右侧)结束时，圆柱形电池内部温度分布的3D仿真结果；(c) 不同针刺速度对电池热失控的影响；(d) 不同针刺直径对电池热失控的影响；(e) 18650型电池单极耳设置下的电流密度分布；(f) 18650型电池双极耳设置下的电流密度分布

Fig. 6 (a) 2D temperature distribution of flexible battery at the end of discharge at 5 ℃, simulation (left) and experiment (right); (b) 3D simulation of the temperature distribution inside the cylindrical battery at the end of charging (left) and discharging (right) at 5 ℃; (c) The effect of different needle speed on thermal runaway of batteries; (d) The effect of different needle diameters on thermal runaway of batteries; (e) Current density distribution of 18650 battery under single pole lug setting； (f) Current density distribution of 18650 battery in bipolar lug setting