Analysis of the decomposition gases from α and β-Cd(BH4)2 synthesized by temperature controlled mechanical milling
Publication: Research - peer-review › Journal article – Annual report year: 2012
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Analysis of the decomposition gases from α and β-Cd(BH4)2 synthesized by temperature controlled mechanical milling. / Blanchard, Didier; Zatti, Matteo; Vegge, Tejs.
In: Journal of Alloys and Compounds, Vol. 547, 2012, p. 76-80.Publication: Research - peer-review › Journal article – Annual report year: 2012
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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 - 2012
Y1 - 2012
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 -