Measurements of nanosale lithium diffusion coefficient using radioactive 8Li tracer
| Project/Area Number |
22510118
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Nanomaterials/Nanobioscience
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| Research Institution | High Energy Accelerator Research Organization |
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Principal Investigator |
ISHIYAMA Hironobu 大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 研究機関講師 (50321534)
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| Co-Investigator(Renkei-kenkyūsha) |
JEONG Sunchan 大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 教授 (00262105)
HIRAYAMA Yoshikazu 大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 助教 (30391733)
SUGAI Hiroyuki 独立行政法人日本原子力研究開発機構, 原子力科学研究所, 研究副主幹 (80391291)
OSA Akihiko 独立行政法人日本原子力研究開発機構, 原子力科学研究所, 研究主幹 (80343929)
SATAKA Masao 独立行政法人日本原子力研究開発機構, 原子力科学研究所, 研究主幹 (70354826)
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Keywords | ナノ計測 |
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| Research Abstract |
We have developed a new in-situ nanoscale diffusion measurement method in solids for secondary lithium-ion batteries using a radioactive 8Li tracer. We have found the detection limit of the lithium diffusion coefficient can be improved to the order of 10^<-12>cm^2/s by detecting α particles emitted at a small angle relative to a sample surface that is irradiated with a low-energy 8Li of about 8 keV.
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Report
(4 results)
Research Products
(22 results)
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[Journal Article] Toward Online Nanoscale Diffusion Measurements Using Radioactive 8Li Tracer2013
Author(s)
H. Ishiyama, S.C. Jeong, Y.X. Watanabe, Y. Hirayama, N. Imai, H. Miyatake, M. Oyaizu, I. Katayama, M. Sataka, A. Osa, Y. Otokawa, M. Matsuda, H. Makii
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Journal Title
Jpn. J. Appl. Phys
Volume: 52
Pages: 10205-10205
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[Presentation] In-situ diffusion measurements in solids using short lived radioactive tracers of ^8Li and ^<20>Na2012
Author(s)
H. Ishiyama, S.C. Jeong, Y.X. Watanabe, Y. Hirayama, N. Imai, H. Miyatake, M. Oyaizu, I. Katayama, M. Sataka, A. Osa, Y. Otokawa, M. Matsuda, H. Makii
Organizer
XVI International Conference on Electromagnetic Isotope Separators and Techniques Related to their Application (EMIS 2012)
Place of Presentation
Matsue, Japan
Related Report
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[Presentation] Online Diffusion Experiments in Solids by implanting Radiotracer Beam of ^8Li2012
Author(s)
S.C. Jeong, H. Ishiyama, N. Imai, Y. Hirayama, H. Miyatake, Y.X. Watanabe, I. Katayama, H. Kawakami, M. Sataka, S. Okayasu, S. Ichikawa, K. Nishio, S. Mitsuoka, T. Nakanoya, M. Yahagi, T. Hashimoto
Organizer
Eights International Symposium on Swift Heavy Ions in Matter (SHIM 2012)
Place of Presentation
Kyoto Univ., Japan
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