Fig. 4From: TiO2 Nanomembranes Fabricated by Atomic Layer Deposition for Supercapacitor Electrode with Enhanced CapacitancePerformance comparison of TiO2 NMs electrodes. a Specific capacitances of the TiO2 NM electrodes at various current densities. b Ragone plot of TiO2 NMs electrodes with 100, 200, and 400 ALD cycles. c Nyquist plot of three TiO2 NMs electrodes. d A photo showing that two supercapacitors in series can lighten up a red LEDBack to article page