Carbon monoxide sintering, surface area

Sol-gel technique has also been applied to modify the anode/electrolyte interface for SOFC running on hydrocarbon fuel [16]. ANiA SZ cermet anode was modified by coating with SDC sol within the pores of the anode. The surface modification of Ni/YSZ anode resulted in an increase of structural stability and enlargement of the TPB area, which can serve as a catalytic reaction site for oxidation of carbon or carbon monoxide. Consequently, the SDC coating on the pores of anode leads to higher stability of the cell in long-term operation due to the reduction of carbon deposition and nickel sintering. 

The degradation of the catalytic activity with reaction time or thermal sintering was analytically studied by the determination of the specific surface area of the exposed palladium particles, by the chemical adsorption of carbon monoxide the distribution of palladium particles, by an electron microscope and the crystal imperfection, by X-ray diifraction analysis, and so on. 

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