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Ti–V–Mn based metal hydrides for hydrogen storage

Pickering, Lydia ; Li, Jing ; Reed, Daniel ; Bevan, Alexander I. ; Book, David

Journal of alloys and compounds, 2013-12, Vol.580, p.S233-S237 [Periódico revisado por pares]

Kidlington: Elsevier B.V

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Título:
Ti–V–Mn based metal hydrides for hydrogen storage
Autor: Pickering, Lydia ; Li, Jing ; Reed, Daniel ; Bevan, Alexander I. ; Book, David
Assuntos: Alloys ; Condensed matter: structure, mechanical and thermal properties ; Electric arc melting ; Equations of state, phase equilibria, and phase transitions ; Exact sciences and technology ; Hydrides ; Hydrogen absorption–desorption ; Hydrogen storage ; Hydrogen storage materials ; Hysteresis ; Metal hydrides ; Microstructure ; Physics ; Solubility, segregation, and mixing; phase separation ; Thermal properties of condensed matter ; Thermal properties of crystalline solids ; Thermodynamic properties ; Titanium base alloys ; Ti–V based alloys ; Unit cell ; X-ray diffraction
É parte de: Journal of alloys and compounds, 2013-12, Vol.580, p.S233-S237
Notas: ObjectType-Article-2
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Descrição: •Ti0.47V0.46Mn and Ti0.50V0.51Mn alloys were produced by arc melting.•Compositional differences led to different unit cell volumes for the C14 Laves phase.•Change in composition caused a significant change in plateau pressure and hysteresis. Two Ti–V–Mn BCC-Laves phase alloys with the nominal composition Ti0.5V0.5±xMn (x=−0.04 and 0.01), were synthesised by arc melting. This compositional difference resulted in different compositions and unit cell volumes for the C14 Laves phase. Ti0.47V0.46Mn and Ti0.50V0.51Mn demonstrated reversible hydrogen sorption capacities of 1.53 and 1.56±0.05wt.% (at 120bar H2 at 303K) respectively, however, the change in composition results in a small change in the enthalpy of hydride decomposition, and a significant change in plateau pressure and hysteresis. This may allow for the plateau pressure to be tuned to meet the requirements of different solid-state hydrogen storage applications.
Editor: Kidlington: Elsevier B.V
Idioma: Inglês

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Ti–V–Mn based metal hydrides for hydrogen storage

Pickering, Lydia ; Li, Jing ; Reed, Daniel ; Bevan, Alexander I. ; Book, David

Kidlington: Elsevier B.V

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