Cathode reaction mechanism of porous-structured Sm0.5Sr0.5CoO3-delta and Sm0.5Sr0.5CoO3-delta/Sm0.2Ce0.8O1.9 for solid oxide fuel cells

This work is an outcome of projects in the development program of Core Technologies for Fuel Cells (CTFC) of the Ministry of Knowledge Economy, and the Brain Korea 21 (BK21) program of the Ministry of Education, Science and Technology ofKorea. The authors greatly appreciate the financial support from these organizations.