Improved hydrogen generation from the hydrolysis of aluminum ball milled with hydride

Improved hydrogen generation from the hydrolysis of aluminum ball milled with hydride
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改进氢化物研磨铝球水解产生的氢气

DOI:
10.1016/j.energy.2014.05.060
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发表时间:
2014-08
期刊:
影响因子:
9
通讯作者:
Yan, Mi
Yan, Mi
中科院分区:
工程技术1区
文献类型:
--
作者:
Dong, Zhaohui;Li, Shouquan;Ge, Hongwei;Yan, Mi

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添加LiH可以有效地改善铝粉的水解性能,其中LiH的效果最好。样品组成和球磨时间均影响Al-LiH混合物的水解。反应温度对提高水解性能有很大影响。研究了溶液中发生的反应,发现LiAl 2(OH)7水合物的形成对增强Al的腐蚀是重要的。Al-30 mol% LiH研磨3 h样品在75 °C下1 h内达到96.3%的产率,即1442.4 ml H2 g −1(复合物)。
The hydrolysis of aluminum powder can be efficiently improved by milling with hydrides, among which LiH performs the best. Both sample composition and milling time affect the hydrolysis of Al–LiH mixture. Reaction temperature has a great impact on improving the hydrolysis properties. The reactions taken place in the solution are studied and the formation of the LiAl2(OH)7hydrate is found to be important in enhancing the corrosion of Al. The Al-30 mol% LiH milled for 3 h sample reaches a yield of 96.3%,i.e.1442.4 ml H2g−1(composite) within 1 h at 75 °C.
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