The Preparation of Carbon Nanotube/MnO₂ Composite Fiber and Its Application to Flexible Micro-Supercapacitor

Figure 3

(a), (b), and (c) SEM image of a typical CNT fiber with conformal coating of MnO₂ nanostructures by cyclic voltammetry method and (d), (e), and (f) by potentiostatic method.

(a)

(b)

(c)

(d)

(e)

(f)