2011 Fiscal Year Final Research Report
Creation of a Novel Hydrogen Storage Materials using Lithium Absorbing Alloy
| Project/Area Number |
21686068
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Structural/Functional materials
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| Research Institution | Hiroshima University |
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Principal Investigator |
ICHIKAWA Takayuki 広島大学, 先進機能物質研究センター, 准教授 (10346463)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 水素貯蔵材料 / リチウムイオン電池 / メカニカルアロイング / 新エネルギー / ナノ材料 / 複合材料・物性 / 表面・界面物性 |
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| Research Abstract |
In this work, we focused on the Li absorbing alloy, to create a novel hydrogen storage systems, where the Li ion can be inserted into and extracted from the alloy by using the hydrogenating and dehydrogenating reactions. In particular, the silicon-lithium system, which is recognized as a next generation anode of the lithium ion secondary battery, has been investigated, leading to the clarification of a relationship between thermodynamic properties of de/ hydrogenations and the electrochemical properties of the anode material. This relationship was applied for the germanium systems based on the analogy with the silicon system, which conducts us to the creation of novel hydrogen storage systems
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