| Budget Amount *help |
¥24,830,000 (Direct Cost: ¥19,100,000、Indirect Cost: ¥5,730,000)
Fiscal Year 2019: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2018: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2017: ¥13,390,000 (Direct Cost: ¥10,300,000、Indirect Cost: ¥3,090,000)
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| Outline of Final Research Achievements |
In-situ observations of the alloying process of Li and Au on lithium oxynitride glass (LiPON) electrolytes using scanning electron microscopy (SEM) revealed that Li partly re-dissolved in Au after the Li nucleation. Moreover, in-situ SEM observations revealed that no Li was grown from Ta-doped Li7La3Zr2O12 (LLZT) surfaces polished with SiC papers. It was also found that immersing a LLZT pellet in an acid aqueous solution for a short period of time removed the damaged layer on the surface that resulted from SiC polishing. The acid-etched-LLZT surface showed high wettability with molten Li, and acid-etched LLZT showed Li plating/stripping cycles with high stability.
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