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Synthesis and Properties of QCS/CM Full Interpenetrating Network Anion-exchange Membranes for Potential Fuel Cells

Authors： Jun Cui, Jilin Wang?, Lulu Wang, Ruijiang Feng

Units： School of Petroleum and Chemical Technology, College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun, 113001, China

KeyWords： quaternized chitosan；cellulose；anion-exchange membranes；alkali resistance stability

ClassificationCode：TQ425.236

year,volume(issue):pagination： 2016,36(6):78-85

Abstract：

The full interpenetrating network anion exchange membranes were prepared based on quaternized- chitosan (QCS) and cellulose (CM) as materials and glutaraldehyde(GA) as crosslinkers. Thermal stabiit, water uptake, swelling ratio, mechanical properties, electrical conductivity and ion exchange capacity were all investigated in this research. The results show that the anionic conductivity, flexibility and mechanical property are highly improved by incorporating CM. No apparent decrease in anionic conductivity、water uptake and tensile stress was observed for the membranes after immersed in 10 mol•L-1 KOH (60℃) for 240 h. On the contrary, the anionic conductivity was increased from 3.43×10-2 S•cm-1 (0 h) to 4.60×10-2 S•cm-1 (240 h) and 8.73×10-2 S•cm-1(0h) to 1.009×10-1S•cm-1(240h) , which were measured at 30oC and 70oC. The results , indicating that the membranes with good alkaline resistance stability are promising for potential use in alkaline direct methanol fuel cells.

Funds：

基金项目：辽宁省科技厅博士启动项目(20141126)；辽宁省教育厅科学研究一般项目(L2013153)；抚顺市科学技术发展资金计划项目（20141115）辽宁石油化工大学博士启动基金(2013XJJ-006)

AuthorIntro：

第一作者：崔珺（1988-），女（汉），河北武安人，辽宁石油化工大学在读硕士研究生，主要研究方向为聚合物电解质。E—mail：satosan@126.com

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