锂镧锆氧（LLZO）基固态锂电池界面关键问题研究进展

翟朋博, 常冬梅, 毕志杰, 赵宁, 郭向欣

Research progress on key interfacial issues in lithium lanthanum zirconium oxide-based solid-state

Pengbo ZHAI, Dongmei CHANG, Zhijie BI, Ning ZHAO, Xiangxin GUO

图5 (a) 使用延流法制备的复合固态正极及相应的充放电曲线[54]；(b) 正极表面原位包覆/外部添加法构建锂离子/电子共导通网络[55]；(c) 硫化物固电解质/氧化物正极界面空间电荷层效应示意图[56]；(d)～(i) 使用原位微分相差扫描透射电子显微镜对空间电荷层直接观测[57]

Fig. 5 (a) Solid composite cathode synthesized by spreading method and corresponding charge/discharge curve[54]; (b) Lithium ion/electron co-conducting network constructed by in-situ coating/external adding method[55]; (c) Schematic illustration of space-charge layer effect at the interface between sulfide electrolyte and oxide cathode[56]; (d)～(i) space-charge layer observed by in-situ DPC-STEM[57]