高镍NCA、NCM及NCMA材料循环容量衰减机理研究

俎梦杨, 张梦, 李子坤, 黄令

Cycle performance and degradation mechanism of Ni-Rich NCA， NCM， and NCMA

Mengyang ZU, Meng ZHANG, Zikun LI, Ling HUANG

图9 NCA正极循环首次循环与循环28次后充电过程与放电过程中 c 轴长度(原位XRD精修计算结果)对比

Fig. 9 The c-axis lengths (in-situ XRD refinement calculation results) during (a) charging process and (b) discharging process of NCA cathode before cycling and after cycling 28 times