Microstructures of Reduced Graphene Oxide/Sulfur Nanocomposites and Their Impacts on Lithium Storage Performances

Figure 4

SEM micrographs of colloidal S powder before (a) and after (b) mechanical grinding for 15 min with an agate mortar and pestle, rGO (c), and MGO/S (d). SEM image obtained from a CGO/S nanocomposite (e) with corresponding EDX maps for S (f) and carbon (g).

(a)

(b)

(c)

(d)

(e)

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(g)