Sn掺杂NaNi1/3Fe1/3Mn1/3-x Sn x O2 正极材料制备及其电化学性能

张浩然, 车海英, 郭凯强, 申展, 张云龙, 陈航达, 周煌, 廖建平, 刘海梅, 马紫峰

Preparation of Sn-doped NaNi1/3Fe1/3Mn1/3-x Sn x O2 cathode materials and their electrochemical performance

ZHANG Haoran, CHE Haiying, GUO Kaiqiang, SHEN Zhan, ZHANG Yunlong, CHEN Hangda, ZHOU Huang, LIAO Jianping, LIU Haimei, MA Zifeng

表2 NFM和NFMS2样品的阻抗拟合值

Table 2 Impedance fitting values of NFM and NFMS2 samples

Sample Rs/Ω Rf/Ω Rct/Ω NFM 9.63 153.7 485．7 NFM-200 25 424.4 292.6 NFMS2 10.7 159.2 175.3 NFMS2-200 14.5 215.3 129.8