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1 样品NFM和NFMS2 Rietveld细化得到的晶格参数

Table 1 The lattice parameters of NFM and NFMS2 obtained by the Rietveld method

Sample a/Å c/Å TM—O/Å Na—O/Å Rwp/% NFM 2.933 16.15 2.061 2.333 10.9 NFMS2 3.01 16.298 2.032 2.406 11.94