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- Publisher Website: 10.1016/j.jallcom.2006.05.113
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Article: Desorption characteristics of mechanically and chemically modified LiNH2 and (LiNH2 + LiH)
Title | Desorption characteristics of mechanically and chemically modified LiNH<inf>2</inf> and (LiNH<inf>2</inf> + LiH) |
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Authors | |
Keywords | Hydrogen storage Mechanical milling LiNH2 Hydrogen desorption |
Issue Date | 2007 |
Citation | Journal of Alloys and Compounds, 2007, v. 432, n. 1-2, p. 277-282 How to Cite? |
Abstract | Considerable effort has been devoted to the Li-N-H system for solid-state hydrogen storage. However, the desorption mechanism is still unclear, the desorption kinetics is too low, and the desorption temperature is too high for practical considerations. Here, the characteristics of LiNH2and a (LiNH2+ LiH) mixture were comparatively studied by simultaneous thermogravimetry, differential scanning calorimetry and mass spectrometry for further understanding of H2desorption in the (LiNH2+ LiH) system. Both mechanical milling and chemical addition were noted to influence the decomposition kinetics of LiNH2. Mass spectrometry and thermal analysis of (LiNH2+ LiH) mixtures indicate that approximately 5 mass% of H2is released after 4 h of milling without any apparent release of NH3, whereas insufficient mixing of the two compounds cannot stop the release of NH3from the mixture. Chemical additions, Mn, V, MnO2and V2O5, promote the thermal decomposition of LiNH2, but show insignificant effect on hydrogen desorption of the (LiNH2+ LiH) mixture. © 2006 Elsevier B.V. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/262914 |
ISSN | 2023 Impact Factor: 5.8 2023 SCImago Journal Rankings: 1.103 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Yao, J. H. | - |
dc.contributor.author | Shang, C. | - |
dc.contributor.author | Aguey-Zinsou, K. F. | - |
dc.contributor.author | Guo, Z. X. | - |
dc.date.accessioned | 2018-10-08T09:28:48Z | - |
dc.date.available | 2018-10-08T09:28:48Z | - |
dc.date.issued | 2007 | - |
dc.identifier.citation | Journal of Alloys and Compounds, 2007, v. 432, n. 1-2, p. 277-282 | - |
dc.identifier.issn | 0925-8388 | - |
dc.identifier.uri | http://hdl.handle.net/10722/262914 | - |
dc.description.abstract | Considerable effort has been devoted to the Li-N-H system for solid-state hydrogen storage. However, the desorption mechanism is still unclear, the desorption kinetics is too low, and the desorption temperature is too high for practical considerations. Here, the characteristics of LiNH2and a (LiNH2+ LiH) mixture were comparatively studied by simultaneous thermogravimetry, differential scanning calorimetry and mass spectrometry for further understanding of H2desorption in the (LiNH2+ LiH) system. Both mechanical milling and chemical addition were noted to influence the decomposition kinetics of LiNH2. Mass spectrometry and thermal analysis of (LiNH2+ LiH) mixtures indicate that approximately 5 mass% of H2is released after 4 h of milling without any apparent release of NH3, whereas insufficient mixing of the two compounds cannot stop the release of NH3from the mixture. Chemical additions, Mn, V, MnO2and V2O5, promote the thermal decomposition of LiNH2, but show insignificant effect on hydrogen desorption of the (LiNH2+ LiH) mixture. © 2006 Elsevier B.V. All rights reserved. | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of Alloys and Compounds | - |
dc.subject | Hydrogen storage | - |
dc.subject | Mechanical milling | - |
dc.subject | LiNH2 | - |
dc.subject | Hydrogen desorption | - |
dc.title | Desorption characteristics of mechanically and chemically modified LiNH<inf>2</inf> and (LiNH<inf>2</inf> + LiH) | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.jallcom.2006.05.113 | - |
dc.identifier.scopus | eid_2-s2.0-33847379022 | - |
dc.identifier.volume | 432 | - |
dc.identifier.issue | 1-2 | - |
dc.identifier.spage | 277 | - |
dc.identifier.epage | 282 | - |
dc.identifier.isi | WOS:000245486300052 | - |
dc.identifier.issnl | 0925-8388 | - |