Get access

Anion exchange membranes derived from nafion precursor for the alkaline fuel cell: Effect of cation type on properties

Authors

  • Holly L. S. Salerno,

    1. Department of Chemical and Biological Engineering, Drexel University, Philadelphia, Pennsylvania 19104
    Search for more papers by this author
  • Yossef A. Elabd

    Corresponding author
    1. Department of Chemical and Biological Engineering, Drexel University, Philadelphia, Pennsylvania 19104
    • Department of Chemical and Biological Engineering, Drexel University, Philadelphia, Pennsylvania 19104
    Search for more papers by this author

Abstract

Highly stable hydroxide conducting membranes are necessary for solid-state alkaline fuel cells to have long performance lifetimes. In this study, we used solid-state chemistry to synthesize Nafion-based anion exchange membranes (AEMs) with a variety of covalently attached cations, including trimethylammonium, trimethylphosphonium, piperazinium, pyrrolidinium, pyridinium, and quaternized 1,4-diazabicyclo[2.2.2]octane. Infrared spectroscopy confirms a partial asymmetric functionalization of all cations with the exception of pyridinium. The AEMs that were successfully synthesized all exhibited sufficient water uptake and conductivity. The effect of cation type on AEM chemical and thermal stability was investigated as a function of various conditions (e.g., hydration levels, temperature, and pH). High chemical and thermal stability was observed for all successfully synthesized AEMs with the exception of the trimethylphosphonium cation AEM. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013

Get access to the full text of this article

Ancillary