| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2009: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Research Abstract |
Electrochemical behavior of Mn(OH)_2 was successfully investigated using the electrochemically precipitated Mn(OH)_2.At the fast scan rate, reversible redox reaction proceeds among Mn(II)/Mn(III) system in KOH aq. accompanied with insertion and desorption of OH-but no alkali metal ions. At the slow scan rate, electrochemical insertion of alkali metal ions into electrochemically precipitated Mn(OH)_2 was confirmed during electrochemical oxidation. Layered Manganese and aluminum double hydroxides(Mn/Al LDH), the interlayer spacing of 0.88 nm, were electrochemically synthesized on a Pt substrate by galvanostatic electrochemical reduction of Mn(NO_3)_2 and Al(NO_3)_3 aqueous solutions mixtures. Though the dissolution of Al^<3+> in the LDHs occurred at the first electrochemical oxidation in a 2 mol dm^<-3> KOH solution, reversible redox peaks at around-0.2V vs. Hg/HgO were observed after 2^<nd> cycle of CVs.
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