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Title: Epoxy-crosslinked sulfonated poly (phenylene) copolymer proton exchange membranes

An epoxy-crosslinked sulfonated poly(phenylene) copolymer composition used as proton exchange membranes, methods of making the same, and their use as proton exchange membranes (PEM) in hydrogen fuel cells, direct methanol fuel cell, in electrode casting solutions and electrodes, and in sulfur dioxide electrolyzers. These improved membranes are tougher, have higher temperature capability, and lower SO.sub.2 crossover rates.
Inventors:
 [1];  [1];  [1];  [2]
  1. (Albuquerque, NM)
  2. (State College, PA)
Issue Date:
OSTI Identifier:
1016126
Assignee:
Sandia Corporation (Albuquerque, NM) SSO
Patent Number(s):
7,816,482
Application Number:
12/411,451
Contract Number:
AC04-94AL85000
Research Org:
Sandia Corporation (Albuquerque, NM)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English