钠离子无机固体电解质研究进展

孙歌, 魏芷宣, 张馨元, 陈楠, 陈岗, 杜菲

Recent progress of sodium-based inorganic solid electrolytes

Ge SUN, Zhixuan WEI, Xinyuan ZHANG, Nan CHEN, Gang CHEN, Fei DU

图3 NASICON型(Na3Zr2PSi2O12)电解质的晶体结构[52]：(a) 菱方相；(b) 单斜相；(c)Na3.4Sc0.4Zr1.6(SiO4)2(PO4)材料温度与离子电导率的关系曲线，内部：该材料结构内部的离子传导路径[53]；(d) Na3.1Zr1.95M0.05Si2PO12(M=Mg、Ca、Sr、Ba)室温离子电导率的比较[54]

Fig.3 Crystal structures of NASICON-type electrolytes[52]: (a) rhombohedral；(b) monoclinic; (c) relationship betweentemperature and ionic conductivity of Na3.4Sc0.4Zr1.6(SiO4)2(PO4), insert: representation of the conduction pathway[53]; (d)comparison of room-temperature conductivities of Na3.1Zr1.95M0.05Si2PO12(M=Mg, Ca, Sr, Ba)[54]