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Study on Al-Li3AlH6-CaO Composite for Hydrogen Production Performance
Abstract:
The Al-Li3AlH6 composite as a promising hydrogen production material has attracted increasing attention. However, the poor stability limits practical application. In this paper, the Al-Li3AlH6-CaO composite has been synthesized by ball milling. The results show that the increase of the amount of added CaO can enhance the rate of the hydrogen generation. The rate of the hydrogen generation reaches 40.1 % when the amount of added CaO is 30 wt%, which is due to the fact that the added CaO can destroys the Al2O3 films. The influence of amount of added CaO on the corrosion resistant of the Al-Li3AlH6-CaO is also investigated. The Al-Li3AlH6-CaO with 35 wt% CaO exhibits well corrosion resistant performance, and the hydrogen yield decreases by 22.65 % in 30 days, while the hydrogen yield of the Al-Li3AlH6-CaO without CaO drops by 45.4% in 5 days.
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841-847
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April 2016
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© 2016 Trans Tech Publications Ltd. All Rights Reserved
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