Enhanced iodine capture performance of ionic polyimine network materials in an electric field
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Updated: Oct 31, 2026

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
Published on: February 23, 2017
Chao Yu1, Cheng Tang1, Man Yin1
1College of Chemistry, Sichuan University, Chengdu 610064, China. lhe@scu.edu.cn.
Abstract:
The ionic polyimine network (IPIN) derived from the choline lysinate ionic liquid possesses multiple iodine adsorption sites, including ionic groups, Schiff base structures, and imine groups. Through the polarization effect and charge redistribution induced by the electric field, the IPIN exhibits a high retention rate of more than 99% for flowing iodine gas.
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