The Effects of Power Levels/Time Periods for Sputtering Cobalt onto Carbon Nanotubes/Graphene Composites and Cobalt Annealed on the Characteristics of Anode Materials for Lithium-Ion Batteries

<div>The FESEM images of cobalt oxide/carbon nanotubes/graphene composites with time period (60 min) and different power levels (a) 50 W, (b) 100 W, and (c) 150 W for sputtering cobalt onto carbon nanotube/graphene composite.</div>

Journal of Nanomaterials

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Figure 6

Figure 6: The Effects of Power Levels/Time Periods for Sputtering Cobalt onto Carbon Nanotubes/Graphene Composites and Cobalt Annealed on the Characteristics of Anode Materials for Lithium-Ion Batteries 

Figure 6 | The Effects of Power Levels/Time Periods for Sputtering Cobalt onto Carbon Nanotubes/Graphene Composites and Cobalt Annealed on the Characteristics of Anode Materials for Lithium-Ion Batteries 