Fig. 4: Zn deposition morphology of PVDF-Sn@Zn gradient electrode.
From: Gradient design of imprinted anode for stable Zn-ion batteries
a Models of PVDF-Sn@Zn gradient electrode with different deposition capacities. SEM images of PVDF-Sn@Zn gradient electrode after Zn deposition with capacities of b1–b3 0, c1–c3 5, d1–d3 10, and e1–e3 15 mAh cm−2, respectively. Scale bar, 10 μm for b1–e1, 30 μm for b2–e2, and 60 μm for b3–e3.
