Figure 7 | Scientific Reports

Figure 7

From: Controllable Template-Assisted Electrodeposition of Single- and Multi-Walled Nanotube Arrays for Electrochemical Energy Storage

Figure 7

(a) CVs of MnO2/PPy/MnO2 TNTAs at different scan rates; (b) Csp of (1) MnO2/PPy/MnO2 TNTAs, (2) MnO2 NTAs and (3) PPy NTAs as a function of cycle number at 10 mV/s; (c) Cycling stability at progressively varied scan rates; (d) Ragone plot (power density vs energy density) of MnO2/PPy/MnO2 TNTAs; (e) The NTA architectures, triple layered structures and high conductivity in electrodes provide ion and electron “highways” for extremely rapid charge/discharge processes.

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