19F and 13C PGSTE-NMR Diffusion Study to Understand Ion Transport in Alkaline Anion Exchange Membranes

被引：0
|
作者：
Sarode, Himanshu N. [1 ]
Herring, Andrew M. [1 ]
机构：
[1] Colorado Sch Mines, Chem & Biol Engn Dept, Golden, CO 80401 USA
来源：
POLYMER ELECTROLYTE FUEL CELLS 13 (PEFC 13) | 2013年 / 58卷 / 01期
关键词：
D O I：
10.1149/05801.1367ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Understanding ion transport in Anion Exchange Membranes (AEMs) has been a widely researched area. In this work we have utilized the method of F-19 diffusion NMR to our advantage for this purpose. Fluoride ion and hydroxide ion have similar ionic sizes which makes it as an ideal replacement for the caustic anion. In particular we have studied the effect of temperature and increasing diffusion times (.) on self diffusion of fluoride ions. We have also made a unique effort at measuring bicarbonate and carbonate diffusion through AEMs in this article.
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页码：1367 / 1371
页数：5
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