Concentrated dual-salt electrolytes for improving the cycling stability of lithium metal anodes
Liu Pin1, Ma Qiang1, 2, Fang Zheng1, Ma Jie1, Hu Yong-Sheng1, †, , Zhou Zhi-Bin2, Li Hong1, Huang Xue-Jie1, Chen Li-Quan1
       

Electrochemical performance of Li metal plating/stripping on a Cu working electrode at a current density of 0.5 mA/cm2. (a) CE of Li deposition/stripping in different electrolytes at a current density of 0.5 mA/cm2. (b) CE of Li deposition/stripping in different electrolytes at a current density of 1 mA/cm2. (c) Voltage profiles for the Li|Cu cells in 1M LiFSI +2M LiTFSI at a current density of 0.5 mA/cm2. (d) Voltage profiles for the Li|Cu cells in 2M LiFSI +1M LiTFSI at a current density of 0.5 mA/cm2.