10.1007/s40095-014-0087-3

Rapid hydrogen generation from aluminum–water system by adjusting water ratio to various aluminum/aluminum hydroxide

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  • Yu-Kuang Chen1,
  • Hsin-Te Teng1,
  • To-Ying Lee1,
  • Hong-Wen Wang*1,
  1. Department of Chemistry, Master Program of Nanotechnology, Center for Nanotechnology, Chung-Yuan Christian University, Chungli, 320, TW
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Published in Issue 2014-04-04

How to Cite

Chen, Y.-K., Teng, H.-T., Lee, T.-Y., & Wang, H.-W. (2014). Rapid hydrogen generation from aluminum–water system by adjusting water ratio to various aluminum/aluminum hydroxide. International Journal of Energy and Environmental Engineering, 5(2-3 (July 2014). https://doi.org/10.1007/s40095-014-0087-3
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Abstract

Abstract The effect of Al(OH) 3 on the hydrogen generation from Al/water system is evaluated. Four synthesized and one commercial Al(OH) 3 powders are employed to investigate their assistance to the hydrogen generation from Al/water system at room temperature. It was found that the Al(OH) 3 product derived from Al(NO) 3 precursor exhibits the best catalytic effect and exerts the highest hydrogen generation rate. 100 % yield of hydrogen (1,360 ml/g Al at 25 °C) can be achieved within 6 min at a proper Al:Al(OH) 3 :H 2 O weight ratio (3:15:50). That is, by adjusting Al:Al(OH) 3 :H 2 O ratio, the highest hydrogen generation rate ever reported so far, without using any alloying elements or corrosive additives, can be achieved.

Keywords

  • Water,
  • Aluminum hydroxide,
  • Hydrogen generation
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