| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
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| Research Abstract |
The overvoltage reduction effects of electrode morphology and materials on liquid ammonia electrolysis were investigated to design high efficiency electrolysis cell for generating hydrogen from liquid ammonia. For Pt-black electrodes prepared by electrodeposition, it is clarified that the overvoltage reduction does not relate to the electrode surface area, but relates to both of Pt deposition amount and size of deposited Pt particles. For the electrolysis by using Pt plate electrode, anode overvoltage is five times as large as cathode one. Ammonia electrolysis with the emission of hydrogen gas was performed at 0.1 V around theoretical electrolysis voltage by adapting Pt-Ru electrode which can reduce the anode overvoltage.
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