Research / 2021 / Article / Fig 6

Review Article

Recent Advances in Self-Powered Electrochemical Systems

Figure 6

Self-powered anticorrosion system: (a) sketch map of the SP anticorrosion system; (b) iron sheets before and after soaked in the solution for 2 h [112]; (c) sketch map of the SP anticorrosion system powered by TENG; (d) the contrast images of the surface morphology of the samples after immersing in sodium chloride solution driven by TENG or not [113]; (e) scheme of the designed TENG; (f) schematic diagram of the metal surface cathodic protection system driven by TENG; (g) micrographs of the rusted specimens after accelerated corrosion [110].