海水淡化
膜
制作
化学工程
溶剂
化学
材料科学
有机化学
工程类
生物化学
医学
病理
替代医学
作者
Baoying Wang,Jun Yan,Huangying Wang,Ruirui Li,Rong Fu,Chenxiao Jiang,Victor Nikonenko,Natalia Pismenskaya,Yaoming Wang,Tongwen Xu
标识
DOI:10.1016/j.ces.2024.119782
摘要
The traditional route for ion-exchange membrane fabrication usually involves complex procedures that require substantial quantities of organic solvents and optionally undergo post-modification utilizing strong base or acid. Here, we develop a completely green route for cation-exchange membrane fabrication via a simple soaking pore-filling polymerization method using water as the sole solvent. The resulting pore-filling cation-exchange membranes (PFCEMs) exhibited high ion exchange capacity, moderate water uptake, robust mechanical properties, low area resistance (1.3 Ω cm2) and high limiting current density (181 mA cm−2), leading to superior performance for salt desalination. Benefiting from the superior electrochemical properties, PFCEM achieved an ideal desalination rate of 93.4 %, which was comparable to that of the flagship commercial Neosepta CMX membrane (91.5 %). In addition, the low membrane cost and satisfactory long-term stability of the PFCEMs indicated promising features for their scale-up in industrial production and applications.
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