Fig. 5 | Nature Communications

Fig. 5

From: Lithiophilic-lithiophobic gradient interfacial layer for a highly stable lithium metal anode

Fig. 5

Characterization of the gradient ZnO-coated CNT (GZCNT). af Cross-sectional SEM images of a, b pristine GZCNT-coated Li foil and cf the GZCNT interfacial layer. Inset in b is the corresponding Zn (Zn–L) elemental EDX mapping image of GZCNT interfacial layer highlighted by pink. Morphology of #1 upper (d), #2 middle (e), and #3 under (f) parts of layer highlighted by yellow in c. gi Corresponding elemental EDX spectrum of GZCNT interfacial layer, indicating that the Zn content of the d upper, e middle, and f lower parts of the layer are g 0.39, h 6.87, and i 14.53 wt%, respectively. Scale bar, 100 μm for a, 20 μm for b, 10 μm for c, and 1 μm for df

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