Fig. 4
From: Carbon nanotubes and manganese oxide hybrid nanostructures as high performance fiber supercapacitors
Assembly of bundled Ni/CNT/MnO2 electrodes for a supercapacitor device. a A digital photograph of a light-emitting diode (LED) powered by a triple-bundled two-electrode type of a symmetric supercapacitor device. b CV curves, c galvanostatic charge/discharge curves and d EIS spectra of a single, dual-, and triple-bundled Ni/CNT/MnO2 electrode (9-layered MnO2 and 9-layered CNTs, the total thickness is 48 μm)
