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Figure 15 | Nanoscale Research Letters

Figure 15

From: Vertically aligned ZnO nanorod core-polypyrrole conducting polymer sheath and nanotube arrays for electrochemical supercapacitor energy storage

Figure 15

Charge-discharge characteristics. (A) ZnO nanorod core PPy sheath electrode and PPy nanotube electrodes after 2-h and 4-h etch measured at a constant current density of 1 mA.cm-2. Charge-discharge characteristics measured at different current densities for (B) ZnO nanorod core-PPy sheath, (C) PPy nanotube 2-h etch, and (D) PPy nanotube 4-h etch.

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