Membrane electrode assembly including porous catalyst layer and method of manufacturing the same

摘要

A membrane electrode assembly for a fuel cell including a porous catalyst layer, and a method of manufacturing the same in which an electrode includes a catalyst layer formed adjacent to a surface of an electrolyte membrane, and the catalyst layer has a uniform porosity as pluralities of pores are uniformly distributed on the catalyst layer.

主权项

1. A membrane electrode assembly for a fuel cell, the membrane electrode assembly comprising:
an electrode having a catalyst layer adjacent to a surface of an electrolyte membrane, wherein: the catalyst layer is a porous catalyst layer including a plurality of pores having a mean pore diameter of 3 to 5 nm based on all pores, the pores being uniformly distributed in the porous catalyst layer, the porous catalyst layer having a porosity of 40 to 80%, and a specific surface area of the porous catalyst layer is 6.75 to 9.15 m2/g.