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Arylene-fluorinated-sulfonimide ionomers and membranes for fuel cells

United States Patent

8,058,383
November 15, 2011
View the Complete Patent at the US Patent & Trademark Office
The preparation of aromatic sulfonimide polymers useful as membranes in electrochemical cells is described.
Teasley; Mark F. (Landenberg, PA)
E. I. du Pont de Nemours and Company (Wilmington, DE)
11/ 951,353
20110218255
December 6, 2007
Described herein is the preparation of aromatic sulfonimide polymers useful as membranes in electrochemical cells. This invention was made with government support under Contract No. DE-FC04-02AL67606 awarded by the U.S. Department of Energy. The government has certain rights in the invention.