Electrolyte membrane for fuel cell including blend of polymers with different degrees of sulfonation, and membrane-electrode assembly and fuel cell including the same
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United States of America Patent
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Jul 8, 2014
Grant Date -
Sep 20, 2012
app pub date -
Jul 20, 2011
filing date -
Mar 18, 2011
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Abstract
Disclosed herein is an electrolyte membrane for a fuel cell. The electrolyte membrane includes a blend of polymers with different degrees of sulfonation. The electrolyte membrane can exhibit excellent effects such as improved long-term cell performance and good long-term dimensional stability while at the same time solving the problems of conventional hydrocarbon electrolyte membranes. Further disclosed are a membrane-electrode assembly and a fuel cell including the electrolyte membrane.
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