Improving the Cyclic Stability of V–Ti–Mn bcc Alloys Using Interstitial Elements
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- Kim Hyunjeong
- National Institute of Advanced Industrial Science and Technology
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- Sakaki Kouji
- National Institute of Advanced Industrial Science and Technology
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- Nakamura Yumiko
- National Institute of Advanced Industrial Science and Technology
書誌事項
- タイトル別名
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- Improving the Cyclic Stability of V–Ti–Mn bcc Alloys Using Interstitial Elements
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The effect of nitrogen interstitial atoms on the cyclic stability of V0.37Ti0.33Mn0.3 was investigated. V0.37Ti0.33Mn0.3 with and without nitrogen were hydrogenated and dehydrogenated for 100 times. During hydrogen cycling, the hydrogen absorption plateau pressure of both samples decreased significantly but the desorption plateau pressure stayed the same resulting in smaller hysteresis at higher cycle. Their reversible hydrogen storage capacity progressively diminished with increasing cycle number. At the first cycle, V0.37Ti0.33Mn0.3 without nitrogen absorbed more hydrogen than V0.37Ti0.33Mn0.3 with nitrogen but at the 100th cycle the situation was reversed; V0.37Ti0.33Mn0.3 with nitrogen showed a higher reversible hydrogen storage capacity. This result strongly suggests that nitrogen interstitial atoms somehow retard the degradation of the hydrogen storage capacity of V0.37Ti0.33Mn0.3.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 55 (8), 1144-1148, 2014
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001204253168256
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- NII論文ID
- 130004825195
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 025616892
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可