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7 (a) 金属锂在具有缺陷的LLZO固体电解质表面沉积行为示意图[70]；(b) 表面Li2CO3 层对LLZO固体电解质亲锂性的影响[71]；(c) 利用Au-Li合金层改善锂金属在LLZO固体电解质表面的浸润性[72]；(d) 利用中子辐射技术对固体电解质中的锂沉积电化学过程进行原位表征[73]；(e) 固体电解质中锂金属贯穿现象的机理图[74]

Fig. 7 (a) Schematic diagram of Li deposition behavior on the surface of LLZO solid electrolyte with defects[70]; (b) Effect of Li2CO3 Layer on the lithiophilicity of LLZO Solid Electrolyte[71]; (c) Using Au-Li alloy layer to improve the wettability of lithium metal on the surface of LLZO solid electrolyte[72]; (d) In-situ characterization of the electrochemical process of lithium deposition in solid electrolytes using neutron radiation technology[73]; (e) Mechanism diagram of lithium metal penetration behavior in solid electrolyte[74]