| Budget Amount *help |
¥42,770,000 (Direct Cost: ¥32,900,000、Indirect Cost: ¥9,870,000)
Fiscal Year 2022: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2021: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2020: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
Fiscal Year 2019: ¥12,350,000 (Direct Cost: ¥9,500,000、Indirect Cost: ¥2,850,000)
Fiscal Year 2018: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
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| Outline of Final Research Achievements |
This project focuses on a lithium-ion conductor with a giant close-do elaborate anion [B12H12]2- to enhance its ionic conductivity and get deep insight into the conduction mechanism. Li2B12H12 was successfully prepared by a high-pressure synthesis technique using LiBH4 and B10H14 as raw materials. The samples showing nonstoichiometry and hydrogen deficiency were prepared by adjusting the ratio of raw materials and adding Ti metal as a hydrogen getter. In addition, Mg2+, Ca2+, and even a giant organic cation of methylammonium (CH3NH3+) can be substituted. New electrode materials, protective layers, and room-temperature formable composite-type electrolytes with an oxide phase were also explored.
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