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US 8,030,405 B2Granted
Blended PEM's with elastomers for improved mechanical durability
AssigneeGM Global Technology Operations LLC
InventorsSean M MacKinnon, Timothy J. Fuller, Michael R. Schoeneweiss
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Abstract
A blend composition comprises a fluorine-containing polymer electrolyte and a fluoro-rubber. An electrolyte membrane may be prepared from the blend composition. The electrolyte membrane may be used in electrochemical cells such as electrolyzers, batteries and fuel cells.
Claims19
A polymer blend comprising:
- a first polymer comprising a cyclobutyl moiety wherein the cyclobutyl moiety is:
- and a non-ionic fluorine containing polymer.
A polymer blend comprising:
- an ionic polymer blend comprising an ionic polymer having a cyclobutyl moiety and an ionic moiety that does not contain a cyclobutyl moiety wherein the cyclobutyl moiety is:
- and
- a non-ionic fluorine containing polymer.
Dependencies are inferred from the claim text.