锂离子电池组的三维电化学-热耦合仿真分析
韦雪晴, 邓海鹏, 周宇, 王冰川

Three-dimensional electrochemical-thermal coupling model of a lithium-ion battery module
Xueqing WEI, Haipeng DENG, Yu ZHOU, Bingchuan WANG
表3 材料动态参数
Table 3 Material dynamic parameters
描述参数正极表达式负极表达式
扩散系数Ds9×10-16exp3×104R1298.15-1T4×10-13exp2×104R1298.15-1T
反应速率常数ki4×10-9exp3×104R1298.15-1T2×10-10exp3.5×104R1298.15-1T
平衡电势Ue,  ref3.4277-2.0269×10-2y+0.5087exp-81.163y1.0138+7.6445×10-8exp25.361y3.2983-8.4410×10-8exp25.262y3.31110.6379+0.5416exp-305.5309x+0.044tanh-x-0.19580.1088-0.1978tanhx-1.05710.0854-0.6875tanhx-0.01170.0529-0.0175tanhx-0.56920.0875
集流体导电率σcc-3.25×102T3+3.707×103T2-1.5×105T+2.408×108-4.889×102T3+5.465×103T2-2.18×106T+3.52×108
液相导电率σl-8.86×10-4T-4.16×10-5T2+0.0562T-9.3382