| Project/Area Number |
26630324
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Inorganic materials/Physical properties
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| Research Institution | Osaka Prefecture University |
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Principal Investigator |
HAYASHI Akitoshi 大阪府立大学, 工学(系)研究科(研究院), 准教授 (10364027)
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| Project Period (FY) |
2014-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | 固体電解質 / マグネシウムイオン伝導体 / 全固体電池 / 硫化物 / メカノケミカル法 |
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| Outline of Final Research Achievements |
Sulfide solid electrolytes in the systems MgS-P2S5-MgI2 and MgS-MgBr2 were prepared by a mechanochemical technique. Their conductivities were increased by heat treatment, and the conductivity of 9×10-6 S cm-1 at 200oC was achieved at the composition 50MgS・50MgBr2 (mol%). Solid electrolytes based on P12TFSA plastic crystals or polyethylene carbonate (PEC) were prepared by the addition of Mg(TFSA)2 as a magnesium salt. Both electrolytes showed ion conducting behaviors, and a PEC electrolyte with 50wt% Mg(TFSA)2 exhibited the conductivity of 2.9×10-6 S cm-1 at 60oC.
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