电解质
离子液体
溶剂化
粘度
金属锂
易燃液体
阴极
锂(药物)
离子电导率
阳极
相容性(地球化学)
材料科学
电池(电)
化学
纳米技术
化学工程
离子
热力学
有机化学
电极
物理化学
功率(物理)
催化作用
复合材料
内分泌学
工程类
医学
物理
作者
Xu Liu,Alessandro Mariani,Henry Adenusi,Stefano Passerini
标识
DOI:10.1002/anie.202219318
摘要
Non-flammable ionic liquid electrolytes (ILEs) are well-known candidates for safer and long-lifespan lithium metal batteries (LMBs). However, the high viscosity and insufficient Li+ transport limit their practical application. Recently, non-solvating and low-viscosity co-solvents diluting ILEs without affecting the local Li+ solvation structure are employed to solve these problems. The diluted electrolytes, i.e., locally concentrated ionic liquid electrolytes (LCILEs), exhibiting lower viscosity, faster Li+ transport, and enhanced compatibility toward lithium metal anodes, are feasible options for the next-generation high-energy-density LMBs. Herein, the progress of the recently developed LCILEs are summarised, including their physicochemical properties, solution structures, and applications in LMBs with a variety of high-energy cathode materials. Lastly, a perspective on the future research directions of LCILEs to further understanding and achieve improved cell performances is outlined.
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