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Figure 4: Morphology evolution of Li nucleation on lithiophilic hosts. TEM images of G@POF after Li deposition at the current density of 0.50 mA cm−2 for (a) 1 min, (b) 5 min, (c) and (d) 30 min. SEM images of (e) G and (f) Cu after Li deposition at the current density of 0.50 mA cm−2 for 5 min.