Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 115, Issue 16, Pages 8407-8413Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp200242w
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Funding
- Australian Research Council [DP0877155, LE0775551, LE0989180]
- Australian Research Council [LE0775551, LE0989180, DP0877155] Funding Source: Australian Research Council
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Ball-milled sodium amide and magnesium hydride (NaNH2: MgH2, = 1:1 molar ratio) desorbs 3.3 wt % of hydrogen between 70 and 335 degrees C with three desorption events. X-ray diffraction indicates that the hydrogen desorption is associated with two unidentified magnesium-containing phases. Fourier transform infrared spectroscopy indicates that these two phases correspond to an imide and nitride, respectively. Analysis of the desorption products shows a large excess of NaH and MgH2 and that optimizing the starting reagents will increase both the kinetics and the amount of hydrogen desorbed from the system below 165 degrees C.
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