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Polymer-electrolyte membrane, electrochemical fuel cell, and related method

United States Patent

December 9, 2014
View the Complete Patent at the US Patent & Trademark Office
A polymer-electrolyte membrane is presented. The polymer-electrolyte membrane comprises an acid-functional polymer, and an additive incorporated in at least a portion of the membrane. The additive comprises a fluorinated cycloaliphatic additive, a hydrophobic cycloaliphatic additive, or combinations thereof, wherein the additive has a boiling point greater than about C. An electrochemical fuel cell including the polymer-electrolyte membrane, and a related method, are also presented.
Krishnan; Lakshmi (Clifton Park, NY), Yeager; Gary William (Rexford, NY), Soloveichik; Grigorii Lev (Niskayuna, NY)
General Electric Company (Niskayuna, NY)
13/ 690,721
November 30, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under contract number DE-SC0001055, awarded by the U.S. Department of Energy. The Government has certain rights in the invention.