| Project/Area Number |
24241034
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Quantum beam science
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| Research Institution | High Energy Accelerator Research Organization |
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Principal Investigator |
OTOMO Toshiya 大学共同利用機関法人高エネルギー加速器研究機構, 物質構造科学研究所, 教授 (90270397)
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| Co-Investigator(Kenkyū-buntansha) |
SAKAKI Kouji 独立行政法人産業技術総合研究所, エネルギー技術研究部門 (20392615)
中村 優美子 独立行政法人産業技術総合研究所, エネルギー技術研究部門, 研究員 (50357670)
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| Co-Investigator(Renkei-kenkyūsha) |
IKEDA Kazutaka 高エネルギー加速器研究機構, 物質構造科学研究所 (80451615)
ORIMO Shinichi 東北大学, 原子分子材料科学高等研究機構(WPI-AIMR)/金属材料研究所 (40284129)
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| Research Collaborator |
NAKAMURA Yumiko 独立行政法人産業技術総合研究所, エネルギー技術研究部門
ABE Hitoshi 高エネルギー加速器研究機構, 物質構造科学研究所 (00509937)
SUGIYAMA Kazumasa 東北大学, 金属材料研究所 (40196762)
ARIMA Hiroshi 東北大学, 金属材料研究所 (60535665)
KITAJIMA Yoshinori 高エネルギー加速器研究機構, 物質構造科学研究所 (00204892)
SATO Toyoto 東北大学, 金属材料研究所 (20455851)
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥46,670,000 (Direct Cost: ¥35,900,000、Indirect Cost: ¥10,770,000)
Fiscal Year 2014: ¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
Fiscal Year 2013: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
Fiscal Year 2012: ¥24,440,000 (Direct Cost: ¥18,800,000、Indirect Cost: ¥5,640,000)
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| Keywords | 水素貯蔵材料 / 触媒 / 中性子 / 放射光 / 陽電子 / 水素 / 量子ビーム / 燃料電池 / 中性子回折 / 陽電子消滅 |
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| Outline of Final Research Achievements |
NaAlH4 is light weight and high hydrogen density material but the hydrogen desorption speed is very slow in the solid state. Ti-additives improves the speed 10 times. It is important to reveal the mechanism of the kinetics improvement by the Ti-additives to make NaAlH4 practical hydrogen storage material. The purpose of this study is to reveal the improvement mechanism of Ti-additives with neutron scattering, X-ray absorption, X-ray anomalous scattering and positron annihilation.
It was found that the chemical state of Al is changed by Ti-additives. Also, existing of two type of Ti position was found: one is the Al site of NaAlH4 and the other is Ti-Al allow outside of NaAlH4.
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