Preparation of a Chemically Stable Polysulfone-based Anion Exchange Membrane Using DABCO as the Quaternization Agent

被引：2
作者：
Wang, Xu [1 ]
Wang, Yuan [1 ]
Goldings, Bernard T. [2 ]
Yu, Eileen Hao [3 ]
Scott, Keith [3 ]
机构：
[1] Wuhan Univ, Sch Resources & Environm Sci, Wuhan 430072, Peoples R China
[2] Newcastle Univ, Sch Chem, Bedson Bldg, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[3] Sch Chem Engn & Adv Mat, Merz Court, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
来源：
3RD INTERNATIONAL CONFERENCE ON APPLIED ENGINEERING | 2016年 / 51卷
关键词：
ALKALINE POLYMER ELECTROLYTE; FUEL-CELLS; CATALYSTS;
D O I：
10.3303/CET1651021
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The anion exchange membrane is crucial to the fuel cell development. In this paper, polysulfone was firstly choloromethylated via in-situ generation of choloromethylether which is known as a carcinogenic. 1,4-diazabicyclo[2.2.2]octane (DABCO) was used as the quaternization agent. The rigid cage structure of DABCO molecule prevents the Hofmann elimination reaction from occurring, thus the thermal stability of anion exchange membrane was improved. The membranes with various degree of substitution (DS) were obtained and 106 % DS exhibited a highest ionic conductivity of 0.046 Scm(-1) at 60 degrees C and 100 % relative humidity. The maximum power output of single cell using hydrogen and oxygen reached 114 mWcm(-2). The good electrochemical performance and less harmful preparation procedures make QDPSU a promising membrane material for anion exchange membrane fuel cells.
引用
收藏
页码：121 / 126
页数：6
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