Research / 2021 / Article / Fig 5

Review Article

Recent Advances in Self-Powered Electrochemical Systems

Figure 5

Self-powered electrochromic reaction: (a) schematic diagram of the SP smart window integrated with a raindrop-TENG, a wind-powered-TENG, and an electrochromic device from the top to the bottom; inserts are the SEM images of (I) PDMS film, (II) PB film, and the (III) ZnHCF film; (b) transmittance spectra and (c) photographs of the SP smart window system in bleached and colored states [99]; (d) the schematic structure of the WO3-based SP electrochromic device; (e) SEM image of the WO3 film; (f) the photographs of the EC WO3-based SP electrochromic device; (g) color changing images of the WO3-based SP electrochromic device; (h) transmittance spectra of the WO3-based SP electrochromic device [100].