Catalytic effect of Al(3)Ti on the reversible dehydrogenation of NaAlH(4)4

Al(3)Ti was directly utilized as catalyst precursor to examine its catalytic activity in the reversible dehydrogenation of NaAlH(2). It was observed that Al(3)Ti possessed considerable catalytic effect on the de-/hydriding reactions of NaAlH(4). The catalytic enhancement by Al(3)Ti doping significan...

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Published in:Journal of alloys and compounds 2006-11, Vol.424 (1-2), p.365-369
Main Authors: Kang, X D, Wang, P, Song, X P, Yao, X D, Lu, G Q, Cheng, H M
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Wang, P
Song, X P
Yao, X D
Lu, G Q
Cheng, H M
description Al(3)Ti was directly utilized as catalyst precursor to examine its catalytic activity in the reversible dehydrogenation of NaAlH(2). It was observed that Al(3)Ti possessed considerable catalytic effect on the de-/hydriding reactions of NaAlH(4). The catalytic enhancement by Al(3)Ti doping significantly increased with increasing ball-milling time. Moreover, it was noted that dehydriding kinetics and cycling performance of the Al(3)Ti-doped NaAlH(4) were highly dependent on the starting material, 1:1 NaH/Al mixture or NaAlH(4). The combined property and phase examinations suggest that Al(3)Ti may act as active species to catalyze the reversible de-/hydrogenation of NaAlH(4).
doi_str_mv 10.1016/j.jallcom.2006.01.006
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title Catalytic effect of Al(3)Ti on the reversible dehydrogenation of NaAlH(4)4
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