| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2014: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
In this study, novel metal-air batteries having high energy density were examined at intermediate temperatures using inorganic ion conductors. A composite ion conductor consisting of microparticles was developed based on unique ion transport at interfaces as well as the development of a single-phase ion conductor. In addition, hydrogen production via steam-iron reaction, i.e., partial oxidation of reduced metal oxide by water vapor was investigated to clarify the effect of support materials on hydrogen production rate. Through the observation of charge and discharge processes in the metal-air batteries, the guiding principle of the system design was also discussed.
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