| Budget Amount *help |
¥17,680,000 (Direct Cost: ¥13,600,000、Indirect Cost: ¥4,080,000)
Fiscal Year 2020: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2019: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2018: ¥10,140,000 (Direct Cost: ¥7,800,000、Indirect Cost: ¥2,340,000)
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| Outline of Final Research Achievements |
Materials with high internal mobility in the solid state are expected to act as ionic conductors. We have designed materials for the development of ionic conductors (i.e., electrolytes), which are indispensable for lithium secondary batteries and fuel cells. Covalent organic frameworks (COFs) with long-chain substituents having high mobility were systematically synthesized, and their ionic conductivity based on the dynamics of the substituents was evaluated. Substituents and guest molecules were introduced into the COFs, which exhibit lithium and proton conduction, and high ionic conductivity was obtained. We have also analyzed the conduction mechanism and the dynamics of the material by spectroscopy and X-rays, and clarified the correlation between the structure and the ionic conduction properties.
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