Membrane-electrode assembly, and fuel cell including same
AssigneePoint Engineering Co., Ltd.
InventorsBum Mo AHN, Young Heum EOM, Sin Seok HAN
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Abstract
The present invention provides a membrane-electrode assembly for a fuel cell, and a fuel cell comprising same, wherein the cross-sectional area for reaction activation can be increased compared to the prior art, and the reaction area can be made uniform for each product compared to the prior art by making reaction gases (H2 and O2) undergo an ionization process while reacting with catalyst material, provided on the inner walls of regularly arranged pores, while moving through channels following the pores.
Claims11
A membrane-electrode assembly for fuel cells, the membrane-electrode assembly comprising:
- an electrolyte membrane;
- and
- a pair of catalyst electrodes provided to face each other with the electrolyte membrane in between,
- wherein at least one of the catalyst electrodes comprises an anodic oxide film including a plurality of spaced apart through holes, and a catalyst layer containing a catalyst material is included on inner walls of the through holes.
A fuel cell comprising:
- a membrane-electrode assembly including an electrolyte membrane, and first and second catalyst electrodes provided to face each other with the electrolyte membrane in between;
- and
- first and second separators provided facing each other with the membrane-electrode assembly in between,
- wherein the first catalyst electrode comprises a first catalyst layer located on an electrolyte membrane side, and a first gas diffusion layer located on a first separator side,
- the second catalyst electrode comprises a second catalyst layer located on an electrolyte membrane side, and a second gas diffusion layer located on the first separator side, and
- at least one of the first and second catalyst electrodes comprises an anodic oxide film including a plurality of spaced apart through holes, and a catalyst layer containing a catalyst material is included on inner walls of the through holes.
Dependencies are inferred from the claim text.