WO₃ Nanowires on Graphene Sheets as Negative Electrode for Supercapacitors

Figure 1

(a) XRD and (b) SEM image of ANW/Ex-GF and (c, d) TEM images of ANW/Ex-GF film. # refers to the characteristic diffraction peaks of the graphite or graphene partially exfoliated from the graphite.

(a)

(b)

(c)

(d)