铟
铝
电化学
氢
镓
水溶液
制氢
材料科学
无机化学
盐(化学)
镁
化学
化学工程
冶金
电极
物理化学
有机化学
工程类
作者
L.G. Sevastyanova,S.N. Klyamkin,V.A. Stupnikov,A.V. Ilyukhina,Boris M. Bulychev
标识
DOI:10.1016/j.ijhydene.2023.07.224
摘要
To clarify the mechanism of hydrogen generation upon aluminum oxidation by water, the behavior of the mechanical alloys {Al+20%Bi} and {Al+7%Ga+3%In} in various salt solutions has been studied. Analysis of the reaction rate and the overall hydrogen yield in the studied systems allows us to suggest that, unlike the oxidation of magnesium-based materials, the hydrogen generation by activated aluminum is not mainly controlled by electrochemical processes. Additives of activating metals, bismuth and gallium-indium alloys, primarily act as surfactants, making an unoxidized intergranular surface accessible to water according to the Rebinder effect.
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