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Anion exchange membrane

United States Patent

May 7, 2013
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
An anion exchange membrane and fuel cell incorporating the anion exchange membrane are detailed in which proazaphosphatrane and azaphosphatrane cations are covalently bonded to a sulfonated fluoropolymer support along with anionic counterions. A positive charge is dispersed in the aforementioned cations which are buried in the support to reduce the cation-anion interactions and increase the mobility of hydroxide ions, for example, across the membrane. The anion exchange membrane has the ability to operate at high temperatures and in highly alkaline environments with high conductivity and low resistance.
Verkade; John G. (Ames, IA), Wadhwa; Kuldeep (Sugar Land, TX), Kong; Xueqian (Ames, IA), Schmidt-Rohr; Klaus (Ames, IA)
U.S. Department of Energy (Washington, DC)
12/ 706,877
February 17, 2010
GOVERNMENT INTERESTS The United States Government has rights in this invention pursuant to Contract No. DE-AC02-07CH11358, between the U.S. Department of Energy (DOE) and Iowa State University, representing The Ames Laboratory.