fig5

Figure 5. Top-view SEM images of Li deposition with 1, 5 and 15 mAh cm^-2 at 1 mA cm^-2: (A-C) NF; (E-G) NiCoO/NF; (I-K) NiCoON/NF. Cross-sectional SEM images of Li deposition with 15 mAh cm^-2: (D) NF; (H) NiCoO/NF; (L) NiCoON/NF. SEM: Scanning electron microscopy.