| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
Ionic liquids (ILs) have conductivity without adding any electrolyte salts, a quite low vaper pressure, and wide electrochemical windows. These properties allow ILs to be used as smart electrolytes. However, the IL/electrode interface, where electrochemical reactions exactly occur, has not been still fully understood. To fully understand and control the electrochemical reactions, the behavior of the reaction field, i.e., the electrolyte/electrode interface, must be well understood. In this study, structures of electrode surface and EDL were studied using in situ quantum beam scattering techniques, i.e., surface x-ray scattering (SXS) and Neutron reflectivity (NR) measurements. NR measurements reveal that adsorbed IL molecules form layered structure. Further, in the phase transition state, orientation of IL molecules drastically changes depending on electrode potential.
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