高镍三元层状锂离子电池正极材料：研究进展、挑战及改善策略

栗志展, 秦金磊, 梁嘉宁, 李峥嵘, 王瑞, 王得丽

High-nickel ternary layered cathode materials for lithium-ion batteries： Research progress， challenges and improvement strategies

Zhizhan LI, Jinlei QIN, Jianing LIANG, Zhengrong LI, Rui WANG, Deli WANG

图4 (a) 不同镍含量NCA正极充放电过程横截面SEM图[20]；(b) 不同镍含量NCM微裂纹示意图[17]

Fig. 4 (a) Comparison of cross-sectional SEM images of the NCA cathodes with different Ni contents[20]; (b) Schematic diagram of microcracks in NCM cathodes with different Ni contents[17]