Gas diffusion electrode, method for manufacturing the same and membrane electrode assembly
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsMakoto Ito, Hirokazu Ishimaru
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Abstract
A porous gas diffusion electrode provided on a polymer electrolyte such that a gas can be introduced, for a polymer electrolyte fuel cell, includes a carbon fiber, and an electric conductive polymer and a thermoset resin that bond the carbon fibers to each other.
Claims8
A porous gas diffusion electrode provided on a polymer electrolyte such that a gas can be introduced, for a polymer electrolyte fuel cell, comprising:
- a carbon fiber;
- an electric conductive polymer and a thermoset resin that bond the carbon fibers to each other;
- and
- a high boiling point solvent having a boiling point higher than a cure temperature of the thermoset resin.
A method for manufacturing a porous gas diffusion electrode provided on a polymer electrolyte such that a gas can be introduced, for a polymer electrolyte fuel cell, comprising steps for:
- preparing a slurry for an electrode including a carbon fiber, an electric conductive polymer, a thermoset resin and a high boiling point solvent having a boiling point higher than a cure temperature of the thermoset resin;
- applying the slurry for an electrode onto the polymer electrolyte;
- and
- drying the applied slurry for an electrode in a drying treatment to cure the thermoset resin.
A method for manufacturing a porous gas diffusion electrode provided on a polymer electrolyte such that a gas can be introduced, for a polymer electrolyte fuel cell, comprising steps for:
- preparing a slurry for an electrode including a carbon fiber, an electric conductive polymer and a high boiling point solvent having a boiling point higher than a cure temperature of a thermoset resin;
- forming a sheet product including the thermoset resin using the slurry for an electrode;
- and
- drying the sheet product in a drying treatment to cure the thermoset resin.
Dependencies are inferred from the claim text.