Figure 2. Material characterization of the active carbon cloth/iodine cathode.
(a) Procedure for preparing the ACC/I2 electrode. (b) Scanning electron microscopy images of the ACC/I2 cathode, scale bar: 1 mm. (c) Energy-dispersive spectroscopy mapping of I in the ACC/I2 cathode. (d) X-ray diffraction pattern of the ACC/I2 cathode.