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Abstract Al2O3-added Al-Ga-In-Sn alloys were prepared using a smelting and casting method. As the Al2O3 is added, the Al grain will be refined. With the refinement of the Al grain,… Click to show full abstract
Abstract Al2O3-added Al-Ga-In-Sn alloys were prepared using a smelting and casting method. As the Al2O3 is added, the Al grain will be refined. With the refinement of the Al grain, the size of grain boundary particle decreases slightly, and under these circumstances, the reaction rate of Al-water is improved. Al-2.5Ga-5.58In-1.92Sn-1.0Al2O3 alloys exhibit maximum rate of hydrogen production. Alloys with stable hydrogen production rates in all Al2O3-added formulations have also been investigated, and this demonstrates potential applications in proton exchange membrane fuel cells. The reasons for the changes in the microstructure and Al-water reaction with the Al2O3 addition was supposed.
Journal Title: Chemical Physics Letters
Year Published: 2020
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