Catalyst layer composition for fuel cell, electrode for fuel cell, method of preparing electrode for fuel cell, membrane-electrode assembly for fuel cell, and fuel cell system using the membrane-electrode assembly

摘要

A catalyst layer composition for a fuel cell includes an ionomer cluster, a catalyst, and a solvent including water and polyhydric alcohol; and an electrode for a fuel cell includes a catalyst layer comprising an ionomer cluster having a three-dimensional reticular structure, and a catalyst, a method of preparing a electrode for a fuel cell includes a catalyst layer comprising an ionomer cluster having a three-dimensional reticular structure, and a catalyst, and a membrane-electrode assembly for a fuel cell including the electrode and a fuel cell system including the membrane-electrode assembly.

主权项

1. A catalyst layer composition for a fuel cell, comprising
an ionomer cluster; a catalyst adsorbed on the surface of the ionomer cluster; the ionomer cluster has a three-dimensional reticular structure and a maximized interface with the catalyst and has an average size ranging from about 150 nm to about 250 nm; and the catalyst is comprised in an amount ranging from about 125 parts to about 250 parts by weight based on 100 parts by weight of the ionomer cluster.