Concentrated dual-salt electrolytes for improving the cycling stability of lithium metal anodes |
SEM images of the morphology of Li plating on a Cu substrate after the initial deposition in different electrolytes. (a), (b) 1M LiFSI +2M LiTFSI. (c), (d) 2M LiFSI +1M LiTFSI. (e), (f) 3M LiTFSI. The current density was 0.5 mA/cm2. |