Sulfonated polyphenylene polymers

United States Patent

7,301,002
November 27, 2007
View the Complete Patent at the US Patent & Trademark Office
Polymer Membrane Separators for the Next-Generation of Energy-Water Systems
Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of Nafion.RTM. membranes.
Cornelius; Christopher J. (Albuquerque, NM), Fujimoto; Cy H. (Albuquerque, NM), Hickner; Michael A. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
10/938,137
September 10, 2004
528/373 ; 428/500; 429/188; 429/208; 429/253; 524/817; 528/397; 528/487; 528/86;
C08G 75/00 (20060101); C08G 75/20 (20060101);
528/373,487,86,347 524/817 429/188,208,253 428/500
STATEMENT REGARDING GOVERNMENT INTEREST This invention was made with government support under Contract No. DE-AC04-94AL85000 awarded by the United States Department of Energy's National Nuclear Security Administration. The government has certain rights in the invention.