磷酸铁锂储能电池过充热失控仿真研究*
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于子轩, 孟国栋, 谢小军, 赵勇, 成永红
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Simulation Research on Overcharge Thermal Runaway of Lithium Iron Phosphate Energy Storage Battery
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YU Zixuan, MENG Guodong, XIE Xiaojun, ZHAO Yong, CHENG Yonghong
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表3 热失控模型参数
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| 变量x | 指前因子Ax/s-1 | 反应活化能
Ea,x/(×105 J/mol) | 归一化浓度Cx,0 | 反应级数mx | 单位质量反应物产生热量Hx/(J/g) | 反应活性物质
含量Wx/(g/m3) | | SEI | 1.667×1015 | 1.350 8 | 0.15 | 1 | 257 | 6.104×105 | | ne | 2.5×1013 | 1.350 8 | 0.75 | 1 | 1 714 | 6.104×105 | | pe1 | 1.75×109 | 1.149 5 | 0.04 | 1 | 77 | 1.221×106 | | pe2 | 1.077×1012 | 1.588 8 | 0.04 | 1 | 84 | 1.221×106 | | e | 5.14×1025 | 2.74 | 1 | 1 | 155 | 4.069×105 |
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