Abstract
The optimal compositions are selected and amorphous alloys based on various metals (nickel, magnesium, rare-earth elements, iron, chromium, zirconium, titanium, etc.) are developed in the form of rapid-quenched tape having amorphous, nano-, and microcrystalline structures. The obtained intermetallic compounds with various compositions might be used for hydrogen storage. The accumulation of hydrogen by Zr-based amorphous samples is established to be 1.8 times higher than the capacity of the same but crystalline sample. The crystalline samples belonging to the Mg-Ni system are found to accumulate up to 3.2 wt % hydrogen upon hydrogenation and to release a three times larger amount of hydrogen than zirconium-based alloys upon dehydrogenation. The accumulating hydrogen capacity in this case, \(\Delta C_{H_2 } = C_{H_2 }\) (sorption) — \(C_{H_2 }\)|(desorption), is significantly higher for the Mg-Ni samples than for the zirconium-based samples.
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Original Russian Text © M.A. Burlakova, V.G. Baranov, I.I. Chernov, B.A. Kalin, A.V. Svetlov, 2011, published in Perspektivnye Materialy, 2011, No. 1, pp. 23–28.
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Burlakova, M.A., Baranov, V.G., Chernov, I.I. et al. Amorphous and crystalline alloys for reversible hydrogen storage. Inorg. Mater. Appl. Res. 2, 452–456 (2011). https://doi.org/10.1134/S2075113311050091
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DOI: https://doi.org/10.1134/S2075113311050091