Electrode material, fuel cell including the same, and method of manufacturing the same

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A novel electrode that can be used at high temperature in air, a fuel cell using the material, and a method of manufacture of the same are provided. The electrode material containing a component expressed by La 1-s A s Ni 1-x-y-z Cu x Fe y B z O 3-´ (wherein, A and B are at least one element independently selected from the group consisting of alkaline earth metals, transition metals excluding Fe, Ni and Cu, and rare earths excluding La, and x>0, y>0, x+y+z<1, 0‰¤s‰¤0.05, and 0‰¤z‰¤0.05) exhibits relatively high conductivity at high temperature, and has the advantage of combination with other materials in relation to coefficient of thermal expansion.