High temperature proton exchange membrane using...

Details High temperature proton exchange membrane using... High temperature proton exchange membrane using...

2011-07-12

2011-07-12

Apicella, Karie O'Neill (Department: 1726)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Fuel cell with solid electrolyte

C521S027000

Reexamination Certificate

active

07977008

ABSTRACT:
The present invention relates to a high temperature proton-conducting polymer membrane, a preparation method thereof, a membrane-electrode assembly using the same and a fuel cell containing the same. More particularly, it relates to a proton-conducting polymer membrane enabling fuel cell operation under high temperature and normal pressure condition, wherein sulfoalkyl or sulfoaryl groups are introduced between layers of metal phosphate and cation exchange groups are present in side chains, a preparation method thereof and a membrane-electrode assembly using the proton exchange membrane and a fuel cell containing the same.

REFERENCES:
patent: 5512391 (1996-04-01), Fleischer
patent: 5580681 (1996-12-01), Fleischer
patent: 2003/0012996 (2003-01-01), Bitterlich et al.
patent: 2004/0038105 (2004-02-01), Hennige et al.
“The 1stInternational Conference of Polymer Batteries and Fuel Cells” , Jun. 1-6, 2003 (5 pages).

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