New Promising Hydride Based on the Cu-Li-Mg System

Detalhes bibliográficos
Autor(a) principal: M. H. Braga
Data de Publicação: 2010
Outros Autores: A. Acatrinei, M. Hartl, S. Vogel, Th. Proffen, L. Daemen
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: https://repositorio-aberto.up.pt/handle/10216/67180
Resumo: We investigated the ternary Cu-Li-Mg system, in particular the CuLixMg2-x (x =0.08) for hydrogen storage. Instead of crystallizing in an orthorhombic phase, as CuMg2, thisphase presents a hexagonal structure very similar to that of NiMg2 and NiMg2H0.3. In this workwe will discuss the structure of CuLixMg2-x by the analysis of the neutron scattering data andfirst principles calculations. The first results for a hydride (deuteride) phase will alsomentioned since preliminary studies at LANSCE showed that CuLixMg2-x might absorbapproximately 5.3 to 6 wt% of H at an equilibrium pressure of approximately 27 bar at 200 oC.If these results are confirmed in future work, this will mean that, not only CuLixMg2-x absorbs aconsiderable amount of hydrogen (close to DOEs expectations for hydrogen storagematerials), but also will probably release it at a temperature in the range of 50 to 150 oC, whereapplications are easier to develop. Hence it should be possible to use this alloy with fuel cellsor in batteries. Another important observation is that cycling has a strong effect on the structureof the hydride.
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spelling New Promising Hydride Based on the Cu-Li-Mg SystemCiências exactas e naturaisNatural sciencesWe investigated the ternary Cu-Li-Mg system, in particular the CuLixMg2-x (x =0.08) for hydrogen storage. Instead of crystallizing in an orthorhombic phase, as CuMg2, thisphase presents a hexagonal structure very similar to that of NiMg2 and NiMg2H0.3. In this workwe will discuss the structure of CuLixMg2-x by the analysis of the neutron scattering data andfirst principles calculations. The first results for a hydride (deuteride) phase will alsomentioned since preliminary studies at LANSCE showed that CuLixMg2-x might absorbapproximately 5.3 to 6 wt% of H at an equilibrium pressure of approximately 27 bar at 200 oC.If these results are confirmed in future work, this will mean that, not only CuLixMg2-x absorbs aconsiderable amount of hydrogen (close to DOEs expectations for hydrogen storagematerials), but also will probably release it at a temperature in the range of 50 to 150 oC, whereapplications are easier to develop. Hence it should be possible to use this alloy with fuel cellsor in batteries. Another important observation is that cycling has a strong effect on the structureof the hydride.20102010-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://repositorio-aberto.up.pt/handle/10216/67180eng1742-659610.1088/1742-6596/251/1/012040M. H. BragaA. AcatrineiM. HartlS. VogelTh. ProffenL. Daemeninfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-11-29T14:05:21Zoai:repositorio-aberto.up.pt:10216/67180Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T23:54:29.161659Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv New Promising Hydride Based on the Cu-Li-Mg System
title New Promising Hydride Based on the Cu-Li-Mg System
spellingShingle New Promising Hydride Based on the Cu-Li-Mg System
M. H. Braga
Ciências exactas e naturais
Natural sciences
title_short New Promising Hydride Based on the Cu-Li-Mg System
title_full New Promising Hydride Based on the Cu-Li-Mg System
title_fullStr New Promising Hydride Based on the Cu-Li-Mg System
title_full_unstemmed New Promising Hydride Based on the Cu-Li-Mg System
title_sort New Promising Hydride Based on the Cu-Li-Mg System
author M. H. Braga
author_facet M. H. Braga
A. Acatrinei
M. Hartl
S. Vogel
Th. Proffen
L. Daemen
author_role author
author2 A. Acatrinei
M. Hartl
S. Vogel
Th. Proffen
L. Daemen
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv M. H. Braga
A. Acatrinei
M. Hartl
S. Vogel
Th. Proffen
L. Daemen
dc.subject.por.fl_str_mv Ciências exactas e naturais
Natural sciences
topic Ciências exactas e naturais
Natural sciences
description We investigated the ternary Cu-Li-Mg system, in particular the CuLixMg2-x (x =0.08) for hydrogen storage. Instead of crystallizing in an orthorhombic phase, as CuMg2, thisphase presents a hexagonal structure very similar to that of NiMg2 and NiMg2H0.3. In this workwe will discuss the structure of CuLixMg2-x by the analysis of the neutron scattering data andfirst principles calculations. The first results for a hydride (deuteride) phase will alsomentioned since preliminary studies at LANSCE showed that CuLixMg2-x might absorbapproximately 5.3 to 6 wt% of H at an equilibrium pressure of approximately 27 bar at 200 oC.If these results are confirmed in future work, this will mean that, not only CuLixMg2-x absorbs aconsiderable amount of hydrogen (close to DOEs expectations for hydrogen storagematerials), but also will probably release it at a temperature in the range of 50 to 150 oC, whereapplications are easier to develop. Hence it should be possible to use this alloy with fuel cellsor in batteries. Another important observation is that cycling has a strong effect on the structureof the hydride.
publishDate 2010
dc.date.none.fl_str_mv 2010
2010-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.uri.fl_str_mv https://repositorio-aberto.up.pt/handle/10216/67180
url https://repositorio-aberto.up.pt/handle/10216/67180
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 1742-6596
10.1088/1742-6596/251/1/012040
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eu_rights_str_mv openAccess
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instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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