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US 2009/0269646 A1Published application
Electrolyte membrane, production method thereof, and fuel cell
AssigneeCanon Kabushiki Kaisha
InventorsMotokazu Kobayashi, Makoto Kubota, Keiko Abe
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Abstract
An electrolyte membrane with high durability is provided. The electrolyte membrane includes a porous film containing a nitrogen-containing heterocyclic ring or a cyano group, and a proton conductive component existing in pores of the porous film, wherein the proton conductive component includes a polymer compound containing at least a nitrogen-containing heterocyclic ring, a cyano group, and an acidic group in one molecule.
Claims9
An electrolyte membrane, comprising:
- a porous film containing a nitrogen-containing heterocyclic ring or a cyano group;
- and
- a proton conductive component existing in pores of the porous film,
- wherein the proton conductive component comprises a polymer compound containing at least a nitrogen-containing heterocyclic ring, a cyano group, and an acidic group in one molecule.
1 more element
A method of producing an electrolyte membrane, which comprises:
- infiltrating a porous film containing a nitrogen-containing heterocyclic ring or a cyano group with a mixed liquid comprising a compound having a nitrogen-containing heterocyclic ring, a compound having a cyano group, and a compound having an acidic group;
- and
- polymerizing the compounds in the mixed liquid infiltrated in the porous film.
Dependencies are inferred from the claim text.