Polymer electrolyte membrane, membrane-electrode assembly, fuel cell system, and method for preparing the membrane-electrode assembly
First Claim
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1. A polymer electrolyte membrane for a fuel cell, comprising:
- a proton conductive polymer membrane; and
proton conductive microfibers coated on either side of the polymer membrane.
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Abstract
A polymer electrolyte membrane for a fuel cell includes a proton conductive polymer membrane and proton conductive microfibers coated on either side of the proton conductive polymer membrane.
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Citations
27 Claims
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1. A polymer electrolyte membrane for a fuel cell, comprising:
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a proton conductive polymer membrane; and
proton conductive microfibers coated on either side of the polymer membrane. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A membrane-electrode assembly comprising:
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a polymer electrolyte membrane for a fuel cell having a proton conductive polymer membrane and proton conductive microfibers coated on either side of the polymer membrane;
a catalyst layer coated on either side of the polymer electrolyte membrane; and
a gas diffusion layer positioned on the catalyst layer. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A fuel cell system, comprising:
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an electricity generating unit including separators and a membrane-electrode assembly between the separators, the membrane-electrode assembly including an anode and a cathode and a polymer electrolyte membrane between the anode and the cathode;
a fuel supply unit for supplying fuel to the electricity generating unit; and
an oxidizing agent supply unit for supplying oxidizing agent to the electricity generating unit, wherein the polymer electrolyte membrane comprises a proton conductive polymer membrane, and proton conductive microfibers coated on either side of the polymer membrane.
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16. A method for preparing a membrane-electrode assembly comprising:
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coating a proton conductive polymer membrane with proton conductive microfibers to prepare a polymer electrolyte membrane for a fuel cell;
depositing a catalyst on either side of the polymer electrolyte membrane to form a catalyst layer; and
positioning a gas diffusion layer on the catalyst layer. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification