| Budget Amount *help |
¥16,640,000 (Direct Cost: ¥12,800,000、Indirect Cost: ¥3,840,000)
Fiscal Year 2014: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2013: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2012: ¥10,140,000 (Direct Cost: ¥7,800,000、Indirect Cost: ¥2,340,000)
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| Outline of Final Research Achievements |
Recently, hydrogen production from water decomposition has been actively studied to solve the energy issues. IS process, which is one of the thermochemical hydrogen production processes, consists of three chemical reactions: sulfuric acid decomposition, hydrogen iodide (HI) decomposition, and bunsen reaction. In this study, photocatalytic HI decomposition was investigated to improve reaction rate of the HI decomposition. This study revealed that potassium tantalate (KTaO3) showed relatively high photocatalytic activity for HI decomposition and Pt and Pd cocatalysts effectively improve the photocatalytic HI decomposition activity because of the acceleration of iodide ion oxidation.
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