Abstract We develop a novel film electrode fabrication technology involving phase separation and self-assemble of hydrophilic and hydrophobic polymers together with the active materials, and introducing different halide ions into… Click to show full abstract
Abstract We develop a novel film electrode fabrication technology involving phase separation and self-assemble of hydrophilic and hydrophobic polymers together with the active materials, and introducing different halide ions into membrane. With the introduction of hydrated halide clusters of Cl−, the water contact angle of the PESAC film is reduced from 90.6° to 62.4° and the capacitance of single electrode increases from 173.0 to 242.5 F g−1. Furthermore, polymer brushes of different length with halogen ions at the end of macromolecules are grafted on the surface of film and pores. There is a balance between the wettability and the steric effect.
               
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