| Budget Amount *help |
¥16,510,000 (Direct Cost: ¥12,700,000、Indirect Cost: ¥3,810,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
Fiscal Year 2015: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
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| Outline of Final Research Achievements |
The electrical insulation properties and morphological change of alumina in redox gas atmosphere of solid oxide fuel cells (SOFC) at high temperatures (600-900℃) were evaluated. It is shown that difference of gases greatly effects these properties. In the study on distance dependence of creepage electrical insulation properties, it was clarified that properties are not proportional to creepage distance. In applying inorganic materials to space charge distribution measurement, the distribution tended to reverse in most materials. Such a tendency was not observed in some inorganic materials which have different electrical properties, and this suggests the electrical properties have a large effect as a factor.
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