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Title: Anion exchange membrane

Patent ·
OSTI ID:1084225

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.

Research Organization:
AMES (Ames Laboratory (AMES), Ames, IA (United States))
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-07CH11358
Assignee:
U.S. Department of Energy (Washington, DC)
Patent Number(s):
8,436,057
Application Number:
12/706,877
OSTI ID:
1084225
Country of Publication:
United States
Language:
English

References (3)

Ion-exchange resins, their preparation and uses patent January 2000
Prophosphatrane compounds as proton abstracting reagents patent September 1991
Supported catalyst patent December 1981

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