| Budget Amount *help |
¥19,630,000 (Direct Cost: ¥15,100,000、Indirect Cost: ¥4,530,000)
Fiscal Year 2010: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2009: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2008: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000)
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| Research Abstract |
In 2009, we have succeeded to synthesize Graphene-multiwalled Alveolate Carbon(GAC) that is made of mostly three layers of graphene sheets with inner charge-conductive layers and outer catalysis-supporting layers. This guarantees high chemical stability against oxidation-reduction chemical changes around catalysis sites. This structure is in contrast with the Mesoporous Carbon Nano-Dendrite(MCND) with mostly singly walled mesopores, while this structure is most favorable for fuel cell electrodes. Platinum nanoparticles are supported tightly inside the pores. Active surface area of the platinum surface amounts to more than 60m^2/g and this system works very well particularly at high relative humidity and aerobic condition. GAC is found to be suited for Lithium ion secondary battery anodes with silicon layers inside the pores. We are trying to design mass-productive industrial processes both of GAC and MCND.
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