Rational Design of a Graphene Oxide–Coated Separator for Thermally and Mechanically Stable Li Metal Anode

Figure 4

(a) Long-term electrochemical performance of Li/PE/Li and Li/GO-S-0.1/Li cells at the current density of 0.1 mA cm^-2 for 7,000 h. SEM images of Li metal surface in Li//Li cells with (b) PE and (c) GO-S-0.1. (d) Scheme characterization of cycled Li dendrite formation in symmetric cells with GO-S and PE.

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