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Abstract:

One of the main constraints for the implementation of hydrogen as energy carrier is the lack of an efficient and safe hydrogen storage system. Hydrogen storage in solid state through hydride compounds formation is a potential alternative to address this problem. In this work, it is studied the effect of different titanium based compounds (TiB2, LixTiO2) on the kinetic behavior of 2LiBH4+MgH2 reactive hydride composite. It is found that nanometric particles of titanates (LixTiO2) noticeably improve the first non-isothermal dehydrogenation behavior of the2LiBH4+MgH2, reducing the complete H2 release time from 35 h to 2 h. Moreover, the LixTiO2 addition improves the isothermal hydrogenation/dehydrogenation kinetic behavior. The information gained by advanced techniques such as transmission electron microscopy and Raman spectroscopy, among others, help us to elucidate that the addition of LixTiO2 to2LiBH4+MgH2 allows the hydrogen uptake/release via a novel and reversible mechanism. © 2018, Universidade Federal do Rio de Janeiro. All rights reserved.

Registro:

Documento: Artículo
Título:Study and characterization of the effect of titanium-based compounds on the hydride system Li-B-Mg-H with high hydrogen storage capacity
Autor:Martinelli, H.; Riglos, V.C.; Puszkiel, J.
Filiación:Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, CABA, Buenos Aires, Argentina
División Física de Metales, Centro Atómico Bariloche (CAB), Av. Bustillo 9500, Bariloche, Rio Negro, Argentina
Departamento de Físico-Química de Materiales, Centro Atómico Bariloche (CAB), Av. Bustillo 9500, Bariloche, Rio Negro, Argentina
CONICET, Buenos Aires, Argentina
Palabras clave:Hydrogen; Kinetics; Reactive hydride composites; Titanates; Titanium dioxide
Año:2018
Volumen:23
Número:2
DOI: http://dx.doi.org/10.1590/S1517-707620180002.0459
Título revista:Revista Materia
Título revista abreviado:Rev. Mater.
ISSN:15177076
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15177076_v23_n2_p_Martinelli

Referencias:

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Citas:

---------- APA ----------
Martinelli, H., Riglos, V.C. & Puszkiel, J. (2018) . Study and characterization of the effect of titanium-based compounds on the hydride system Li-B-Mg-H with high hydrogen storage capacity . Revista Materia, 23(2).
http://dx.doi.org/10.1590/S1517-707620180002.0459
---------- CHICAGO ----------
Martinelli, H., Riglos, V.C., Puszkiel, J. "Study and characterization of the effect of titanium-based compounds on the hydride system Li-B-Mg-H with high hydrogen storage capacity " . Revista Materia 23, no. 2 (2018).
http://dx.doi.org/10.1590/S1517-707620180002.0459
---------- MLA ----------
Martinelli, H., Riglos, V.C., Puszkiel, J. "Study and characterization of the effect of titanium-based compounds on the hydride system Li-B-Mg-H with high hydrogen storage capacity " . Revista Materia, vol. 23, no. 2, 2018.
http://dx.doi.org/10.1590/S1517-707620180002.0459
---------- VANCOUVER ----------
Martinelli, H., Riglos, V.C., Puszkiel, J. Study and characterization of the effect of titanium-based compounds on the hydride system Li-B-Mg-H with high hydrogen storage capacity . Rev. Mater. 2018;23(2).
http://dx.doi.org/10.1590/S1517-707620180002.0459