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3.145.15.129
3.145.15.129
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Synthesis of polymer-coated carbon electrodes for inverted capacitive deionization
학오닙울 , 이연식
UCI I410-ECN-0102-2018-500-003802362
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Inverted capacitive deionization (i-CDI) for water purification can be considered the reverse of CDI, characterized by intermittent operation: ion-sorption (short circuit) and subsequent regeneration (charging). This new growing i-CDI technology need to overcome: i.e. low performance electrodes, short lifetime and low energy & cost-effectiveness. The efficiency and kinetics of the continuous salt removal process via i-CDI can be improved significantly by optimizing electrodes without using less common or highly elaborate novel materials. In this study, we synthesize high performance electrodes in which double layers are obtained by chemical means; the activated carbon was coated with highly electro-conducting polymers containing charged functional groups, this leads to the spontaneous formation of surface charge for ion-sorption. The noble carbon electrodes are expected to exhibit enhanced salt adsorption capacity while also possibly decrease the overall cost of the i-CDI cell.

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