锂离子电池富镍三元正极材料NCM的研究进展

张言, 王海, 刘朝孟, 张德柳, 王佳东, 李建中, 高宣雯, 骆文彬

Research progress of nickel-rich ternary cathode material ncm for lithium-ion batteries

ZHANG Yan, WANG Hai, LIU Zhaomeng, ZHANG Deliu, WANG Jiadong, LI Jianzhong, GAO Xuanwen, LUO Wenbin

图2 (a) 镍/锂混排示意图[15]；(b) 富镍正极材料长循环后微裂纹拓展图[16]；(c) 材料表面残碱[17]；(d) 材料表面副产物示意图[18]

Fig. 2 (a) Schematic diagram of Ni2+/Li+ cation mixing[15]; (b) Capacity fading scheme of Ni-rich Li[Ni x Co y Mn1-x-y ]O2 cathodes[16]; (c) Residual alkali on material surface[17]; (d) Schematic diagram of by-products on material surface[18]