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. 2019 Sep 25;11(10):1556. doi: 10.3390/polym11101556

Figure 2.

Figure 2

Schematic representation of adsorption step (left) by connecting a constant voltage (CV) power source. The desorption stage (right) proceeds by either short-circuiting the system (ZV—zero voltage) or applying the opposite potential difference (RV—reverse voltage).