International Journal of Electrochemistry / 2012 / Article / Fig 9

Research Article

Modification of Nafion Membranes by IL-Cation Exchange: Chemical Surface, Electrical and Interfacial Study

Figure 9

(a) Variation of the (a) real part of the impedance versus frequency and (b) imaginary part of the impedance versus frequency as a function of the Nafion-112 membrane contact time with the IL-solution. (o) , (∆)  h, (□)  h, ()  h, and ()  h. Impedance results for the IL-solution alone (×), this means without any membrane in the measuring cell are also drawn.

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