固态锂硫电池电解质及其界面问题研究进展

朱鑫鑫, 蒋伟, 万正威, 赵澍, 李泽珩, 王利光, 倪文斌, 凌敏, 梁成都

Research progress in electrolyte and interfacial issues of solid lithium sulfur batteries

Xinxin ZHU, Wei JIANG, Zhengwei WAN, Shu ZHAO, Zeheng LI, Liguang WANG, Wenbin NI, Min LING, Chengdu LIANG

表1 常用无机固态电解质的室温离子电导率

Table 1 Ionic conductivity of commonly used inorganic solid electrolyte at room temperature

电解质 结构状态 25 ℃离子电导率 /S·cm-1 参考文献 70Li2S·30P2S5 玻璃态 5.4×10-5 [21] 75Li2S·25P2S5 玻璃态 2.0×10-4 [22] 80Li2S·20P2S5 玻璃态 2.0×10-4 [23] 70Li2S·30P2S5 玻璃陶瓷 3.2×10-3 [22] 80Li2S·20P2S5 玻璃陶瓷 9.0×10-4 [23] Li7P3S11-z 玻璃陶瓷 5.4×10-3 [24] Li7P3S11 玻璃陶瓷 1.7×10-2 [25] Li3.25P0.95S4 玻璃陶瓷 1.3×10-3 [26] γ-Li3PS4 晶态 3.0×10-7 [27] β-Li3PS4 晶态 1.6×10-4 [28] Li3.25Ge0.25P0.75S4 晶态 2.2×10-3 [29] Li10GeP2S12 晶态 1.2×10-2 [30] Li10SnP2S12 晶态 4.0×10-3 [31] Li11Si2PS12 晶态 1.2×10-2 [32] Li9.54Si1.74P1.44S11.7Cl0.3 晶态 2.5×10-2 [33] Li7GePS8 晶态 7.0×10-3 [34] Li7P2S8I 晶态 6.3×10-4 [35] Li6PS5Cl 晶态 6.2×10-4 [36] Li6PS5Br 晶态 6.2×10-4 [36] Li6PS5I 晶态 1.9×10-4 [36] Li5.5PS4.5Cl1.5 晶态 1.2×10-2 [37] Li5.75PS4.75Cl1.25 晶态 3.0×10-3 [38]