Research Article
WO3 Nanowires on Graphene Sheets as Negative Electrode for Supercapacitors
Figure 5
SEM images of WO3 films prepared from different process: (a) with no graphene sheets on graphite foil; (b) with no WO3 seeding; and (c) with no NaCl in the hydrothermal solution; (d) CVs of WO3 electrodes prepared from different process.
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