Fig. 4: Energy storage mechanistic study of PTCDI-G in NaTFSI electrolyte.
From: Manipulating anion intercalation enables a high-voltage aqueous dual ion battery
a In situ XRD patterns of graphite in PTCDI-G during the initial charging and discharging process; (b) The computed XRD of TFSI− embedded into graphite at Stage 0, (c) Stage 1, (d) Stage 2, and (e) Stage 3, respectively; (f) The GCD curve tested at a current density of 50 mA g−1 for the initial cycle; (g) In situ Raman spectrum of graphite in PTCDI-G during the first charging and discharging process.
