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

Figure 4

(a) CV curves at different scan rates of micro-supercapacitors fabricated by bare MWCNT fiber and (b) MWCNT/MnO₂ composite fiber by cyclic voltammetry method. (c) Schematic illustration of fabrication processes of the wire-shaped micro-supercapacitors. (d) Dependence of specific capacitance in the supercapacitor wire on the current. (a) Twisting two bare MWCNT fibers. (b) Twisting two MWCNT/MnO₂ composite fibers by potentiostatic method and (c) by cyclic voltammetry method.

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