An aluminum alloy for generation of hydrogen from water

An optimized method of hydrogen production using an aluminum alloy with a small addition of Ga, In, and Sn is described. The alloy (95% Al and 5% Ga, In, and Sn) exhibits high chemical activity while reacting with water; the reaction results in the generation of free hydrogen. The microstructure and...

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Veröffentlicht in:Surface engineering and applied electrochemistry 2009-08, Vol.45 (4), p.347-351
Hauptverfasser: Muntyan, S. P., Volodina, G. F., Grabko, D. Z., Zhitar’, V. F.
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container_start_page 347
container_title Surface engineering and applied electrochemistry
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creator Muntyan, S. P.
Volodina, G. F.
Grabko, D. Z.
Zhitar’, V. F.
description An optimized method of hydrogen production using an aluminum alloy with a small addition of Ga, In, and Sn is described. The alloy (95% Al and 5% Ga, In, and Sn) exhibits high chemical activity while reacting with water; the reaction results in the generation of free hydrogen. The microstructure and phase composition of the alloy are studied. It was found that a slight deviation of the content of Ga, In, and Sn from the proportion 3: 1: 1 does not exert a decisive influence on the chemical activity of the alloy. The technology of the alloy preparation is much more important. The annealing repeated twice leads to the formation of a fine porous structure with a substantially developed surface area. This results in the extremely high efficiency of the hydrogen yield.
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subjects Engineering
Machines
Manufacturing
Operating Experience
Processes
title An aluminum alloy for generation of hydrogen from water
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