| Budget Amount *help |
¥18,200,000 (Direct Cost: ¥14,000,000、Indirect Cost: ¥4,200,000)
Fiscal Year 2015: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2014: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2013: ¥13,910,000 (Direct Cost: ¥10,700,000、Indirect Cost: ¥3,210,000)
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| Outline of Final Research Achievements |
The effect of transport properties of mixed ionic and electronic conductors (MIEC) on reaction site formation at the interface of metal and MIEC was studied and their application to anodes of fuel cells was conducted. To clarify the influences of MIEC transport properties on anodic reaction characteristics, several types of MIEC with different particle sizes and crystallinity were investigated systematically for the anodes with various mixing ratio of metals to MIEC. It was found that the anodic overpotential was decreased for the increase in the electric conductivity of MIEC when the oxygen ion conductivity remained sufficiently high. In addition, MIEC oxides of high electronic conductivity realized a new method for anode fabrication by infiltration of Ni into a scaffold of the MIEC.
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