Fig. 4: Postcycle characterization of Fe1−xS and FeS2 MCs.
From: Pyrrhotite Fe1−xS microcubes as a new anode material in potassium-ion batteries
SEM images of Fe1−xS MCs (a, b) and FeS2 MCs (c, d) after cycling
Fig. 4: Postcycle characterization of Fe1−xS and FeS2 MCs. | Microsystems & Nanoengineering
