(a) Describe the features that one desires when selecting a fuel cell electrode

(a) Describe the features that one desires when selecting a fuel cell electrode material. Describe and illustrate both features of electrode structure and properties as well as interactions between the electrodes and other fuel cell components (e.g., reactant gases, electrolyte, product gases, interconnects). Identify some specific electrode materials and why they work well for a (b) PEMFC and (c) SOFC, respectively