Figure 2 | NPG Asia Materials

Figure 2

From: Graphene quantum dots: structural integrity and oxygen functional groups for high sulfur/sulfide utilization in lithium sulfur batteries

Figure 2

Schematic diagrams and SEM images of S/CB and GQDs-S/CB in a Li–S battery. (a, b) Schematic configuration of S/CB and GQDs-S/CB employed as a cathode in a Li–S battery. The sulfur (yellow) was wrapped with CB (S/CB) and compactly covered with GQDs and CB (GQDs-S/CB). Polysulfides were dissolved into the solvent and the color changed to orange. (c, d) SEM images of GQDs-S/CB and S/CB.

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