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7 (a) 锂化和脱锂过程中颗粒膨胀(左侧)和收缩(右侧)的示意图；(b) 不同倍率放电结束时，不同厚度位置的负极颗粒表面的应力；(c) 碳包覆的实心球颗粒与空心球颗粒在锂化过程中的锂浓度分布；(d) 介观尺度模型颗粒内锂离子浓度分布

Fig. 7 (a) Schematic diagram of particle expansion (left) and contraction (right) during lithiation and delithiation processes; (b) The stress on the surface of particles of anodes at the end of discharge with different rates; (c) Lithium concentration distribution of carbon coated particles and hollow spherical particles during lithification; (d) Lithium ion concentration distribution in cathode particles with mesoscale model