Analysis of the decomposition gases from α and β-Cd(BH4)2 synthesized by temperature controlled mechanical milling

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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@article{d8a9ae12028649e2b1881165fd9fe622,
title = "Analysis of the decomposition gases from α and β-Cd(BH4)2 synthesized by temperature controlled mechanical milling",
keywords = "Energy storage materials, Metal hydride, Mechanochemical processing, Diborane",
publisher = "Elsevier BV",
author = "Didier Blanchard and Matteo Zatti and Tejs Vegge",
year = "2013",
doi = "10.1016/j.jallcom.2012.08.096",
volume = "547",
pages = "76--80",
journal = "Journal of Alloys and Compounds",
issn = "0925-8388",

}

RIS

TY - JOUR

T1 - Analysis of the decomposition gases from α and β-Cd(BH<sub>4</sub>)<sub>2</sub> synthesized by temperature controlled mechanical milling

A1 - Blanchard,Didier

A1 - Zatti,Matteo

A1 - Vegge,Tejs

AU - Blanchard,Didier

AU - Zatti,Matteo

AU - Vegge,Tejs

PB - Elsevier BV

PY - 2013

Y1 - 2013

N2 - We present a comprehensive study on the controlled phase synthesis and thermal decomposition of Cd(BH2)4, a material for solid state hydrogen storage obtained via the metathesis reaction of LiBH4 with CdCl2. By adjusting the stochiometry of the reactants and controlling the mechanical milling vial temperature, we have isolated the tetragonal (P42mn) low temperature phase and the cubic (View the MathML source) high temperature phase of the cadmium borohydride. Cd(BH2)4 has a low thermodynamic stability and decomposes with fast kinetic at 348 K, when heated at 1 K min−1 against a backpressure of 1 bar H2. A semi-quantitative analysis reveals that the decomposition gases are composed of 1:1 H2 + B2H6 and that only Cd remains as solid crystalline phase.

AB - We present a comprehensive study on the controlled phase synthesis and thermal decomposition of Cd(BH2)4, a material for solid state hydrogen storage obtained via the metathesis reaction of LiBH4 with CdCl2. By adjusting the stochiometry of the reactants and controlling the mechanical milling vial temperature, we have isolated the tetragonal (P42mn) low temperature phase and the cubic (View the MathML source) high temperature phase of the cadmium borohydride. Cd(BH2)4 has a low thermodynamic stability and decomposes with fast kinetic at 348 K, when heated at 1 K min−1 against a backpressure of 1 bar H2. A semi-quantitative analysis reveals that the decomposition gases are composed of 1:1 H2 + B2H6 and that only Cd remains as solid crystalline phase.

KW - Energy storage materials

KW - Metal hydride

KW - Mechanochemical processing

KW - Diborane

U2 - 10.1016/j.jallcom.2012.08.096

DO - 10.1016/j.jallcom.2012.08.096

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

SN - 0925-8388

VL - 547

SP - 76

EP - 80

ER -