Energy-Efficient Nanostructured Ion Exchange Membranes from Functionalized Poly (2,6-Dimethyl-1,4-Phenylene Oxide)

被引:0
|
作者
Farman, Muhammad [1 ]
Yasmeen, Farhat [1 ,2 ]
Shehzad, Muhammad Aamir
Rauf, Hafiz Muhammad [1 ]
Jilani, Muhammad Idrees [3 ]
机构
[1] Univ Engn & Technol Lahore, Dept Chem, GT Rd, Lahore 54890, Punjab, Pakistan
[2] Univ Engn & Technol Lahore, Dept Polymer & Proc Engn, GT Rd, Lahore 54890, Punjab, Pakistan
[3] Univ Lahore, Dept Chem, Lahore 53700, Punjab, Pakistan
来源
JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN | 2024年 / 46卷 / 03期
关键词
Ion exchange membranes; Saline water treatment; Nanostructured polyaniline; Functionalized polyphenylene oxide; WATER;
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Highly energy efficient and ion permeable ion exchange membranes are in high demand in many modern sectors to clean water, transform energy, and store energy in devices like electrodialyzer, fuel cells, and batteries. However, greater resistance and reduction in ion permeation of conventional membranes dictate the desire for nanostructured functional ion exchange membranes. This project proposes the fabrication of ion exchange membranes using electroactive nanostructured polyaniline incorporation into ion exchange materials, electrostatically interaction between polymer and nanostructured electroactive material overcomes the problem of high resistance and less ion permeation. Solution casting and post-drying techniques are used for membrane casting. Nanostructured electroactive material helps to increase ionic conduction thus reducing 17% resistance for functional cation exchange membrane (FCEM) and 12% for functional anion exchange membrane (FAEM) also assisting to increase ion permeation. Hydrophilic nanostructured polyaniline electroactive material holds more water and increases water uptake. Cross-linking increases stability as well as reduces 17% and 8% swelling degrees for FCEM and FAEM respectively. Besides the electrochemical property offers an increase limiting current density of 38%, 23% for FCEM and FAEM respectively, and 19% higher desalination performance than non-nanostructured sulfonated polyphenylene oxide (CEM) and quaternized polyphenylene oxide (AEM) membranes.
引用
收藏
页码:271 / 280
页数:10
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