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Synthesis of ion-exchange polyaniline-carbon composite electrodes for capacitive deionization
Desalination ( IF 6.035 ) Pub Date : 2020-01-09 , DOI: 10.1016/j.desal.2019.114308
Oneeb ul Haq; Jae-Hwan Choi; Youn-Sik Lee

The electrodes made of polyaniline-activated carbon (PANI-AC) composite were reported to significantly improve the capacitive deionization (CDI) cell performance compared with the cell assembled using AC electrodes alone. In this study, we synthesized ion-exchange (–NH2+ and –SOH3−) PANI-AC composites, and assembled a CDI cell using them as electrodes. The performance of the ion-exchange PANI-AC cell was higher than that of the PANI-AC cell, and slightly higher than or at least comparable to that of membrane CDI cell (MCDI). The improved performance of the ion-exchange PANI-AC cell compared with the simple PANI-AC cell is attributed to the functional groups in the PANI chains that act similar to that of an ion-exchange membrane in MCDI cells.
更新日期:2020-01-09

 

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