助熔剂法制备单晶LiNi0.8Co0.1Mn0.1O2正极材料

任思佳, 田雷武, 邵钦君, 陈剑

Synthesis of single-crystal LiNi0.8Co0.1Mn0.1O2 by flux method

Sijia REN, Leiwu TIAN, Qinjun SHAO, Jian CHEN

表3 分别以NCM-S0和NCM-800-2为正极的扣式电池循环前后的交流阻抗拟合结果

Table 3 EIS Fitting results obtained with cells prepared with NCM-S0 and NCM-800-2, respectively before and after charge-discharge cycles

参数 循环前 循环100圈后 NCM-S0 NCM-800-2 NCM-S0 NCM-800-2 Rs /Ω 1.65 1.67 2.35 2.04 RSEI /Ω 15.39 4.06 36.48 34.00 Rct /Ω 222.70 101.90 318.80 99.91 DLi+(×10-12)/cm2·s-1 0.622 1.04 49.6 423