fig9
Figure 9. (A) Schematic of the preparation procedures of FeF3-C NFs and FeF3-C electrode cycled in the NaDFOB electrolyte; (B) XRD pattern of FeF3-C NFs cathode; (C and D) SEM images of FeF3-CNFs; (E) High-resolution TEM image of FeF3-CNFs. (F) Cycling performance of FeF3-CNFs with different sodium salts and (G) cycling performance of FeF3-CNFs in 1M NaDFOB electrolyte with different solvents[75]. Copyright 2020, Royal Society of Chemistry.