Synthesis of Sr<sub>2</sub>AlH<sub>7</sub> by Ball Milling Followed by Hydrogenation.

Zhang, Q. A.; Akiba, Etsuo

doi:10.1002/chin.200529025

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2017

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“…Further studies indicate that it can also be synthesized by the reaction of SrH 2 , Al and hydrogen 8,9 .…”

Section: Introductionmentioning

confidence: 98%

Thermal Dehydrogenation Characteristics of Li-Sr-Al-N-H Hydrogen Storage System

Zhang

et al. 2017

Mat. Res.

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Thermolysis behavior of the Li-Sr-Al-N-H hydrogen storage system prepared by ball milling of Sr 2 AlH 7 + LiNH 2 mixture was investigated in this paper. The results show that thermal decomposition of the Li-Sr-Al-N-H system proceeds mainly in two steps with only hydrogen desorption. The thermal stability of this system is lowered as compared to the individual starting material, resulting in the hydrogen desorption initiating from about 125 °C. In addition, about 0.91 and 1.53 wt.% of hydrogen can be isothermally desorbed within 180 min at 180 and 330 °C, respectively. The decreased thermal stability of the Li-Sr-Al-N-H system might be attributed to the chemical reactions between the starting materials during the heating process with the formation of LiSrH 3 and N-containing amorphous phases.

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“…Further studies indicate that it can also be synthesized by the reaction of SrH 2 , Al and hydrogen 8,9 .…”

Section: Introductionmentioning

confidence: 98%