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6 (a) 单晶合成方法的3种示意图[50]；(b) S-NCM90在0.5 C充电到4.4 V的TEM图像以及沿黄色虚线位置的 c 轴点阵参数[51]; (c) N-NCM和SC-NCM长循环裂纹演变和内部形态; (d) N-NCM和SC-NCM电极在全电池中的循环性能[52]

Fig. 6 (a) Summary of the three main approaches to single-crystal synthesis[50]; (b) TEM image of the S-NCM90 cathode particle charged to 4.3 V at 0.5 C and the c-axis lattice parameters at locations along the dashed yellow line[51]; (c) Schematic illustration of crack evolution and the internal morphological difference for N-NCM and SC-NCM cathodes during prolong cycling; (d) Cycling performances of N-NCM and SC-NCM electrodes in pouch-type full-cells [52]