Ion-Exchange Polymers Containing Electrostatically Bound Redox Centers

3 Ion-Exchange Polymers Containing Electrostatically Bound Redox Centers 

Usually the electrode surface is coated with the ion-exchange polymer, and then the redox-active ions enter the film as counterions. In the case of a cation-exchanger, cations (in anion-exchangers, negatively charged species) can be incorporated, which are held by electrostatic binding. The counterions are more or less mobile within the layer. A portion of the low molar mass ions (albeit usually slowly) leave the film and an equilibrium is established between the film and solution phases. Polymeric (polyelectrolyte) counterions are practically fixed in the surface layer. 

Synthesis copolymerization of perfluorinated ethylene monomer with SO2F containing perfluorinated ether monomer [88,91] m = 6 —12. Nafion 120 (DuPont) means 1200 g polymer per mole of H , there are Nafion 117, 115, 105, etc. 

Redox-active ions that have been extensively investigated by using Nafion-coated electrodes  

In this cationic, anion-exchanger polymer, the following redox anions have typically been incorporated and investigated  

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