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Absorption and desorption behavior of binary Mg–Cr and Mg–Cr–Ti at . (a) Sorption curves for over cycles 1–100. (b) Sorption curves for , over cycles 1–100 (left is absorption, right is desorption). (c) Sorption curves for , over cycles 1–115.
A comparison of the time to sorb 80% of the average maximum hydrogen gravimetric capacity for each composition, as a function of sorption cycle number.
Pressure-composition isotherms from absorption and desorption data for .
(a) Indexed X-ray diffraction pattern of the postcycled Mg–Cr–Ti alloys in the absorbed state. (b) Bright field STEM micrograph and EDXS elemental maps of Mg, Cr, Ti, and Ta in the postcycled (absorbed) samples. An arrow points to the same region in the micrographs, an asterisk marks a Ta flake.
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