钠离子电池层状正极材料研究进展

朱晓辉, 庄宇航, 赵旸, 倪明珠, 徐璟, 夏晖

Development of layered cathode materials for sodium-ion batteries

Xiaohui ZHU, Yuhang ZHUANG, Yang ZHAO, Mingzhu NI, Jing XU, Hui XIA

图2 (a)～(b) O3和P2相NaxMeO2的晶体结构示意图；(c) O3-NaxMeO2的钠离子扩散路径[11]；(d) O3-NaxMeO2的钠离子扩散路径[11]

Fig.2 (a)～(b) crystal modes of the O3-NaxMeO2 and P2-NaxMeO2; (c) the indirect Na+-ion diffusion path with the intermediate tetrahedron site in O-type frameworks[11]; (d) the direct Na+-ion diffusion path without the intermediate site in P-type frameworks[11]