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

Figure 2

(a) Contact angles of liquid electrolyte on the surface of PE, GO-S-0.1, and GO-S-0.5. (b) Thermal stability tests of PE and GO-S. (c) Electrolyte uptake tests of PE, GO-S-0.1, and GO-S-0.5. (d) Electrochemical impedance spectra of PE, GO-S-0.1, and GO-S-0.5. (e) The ionic conductivity of PE, GO-S-0.1, and GO-S-0.5.

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