Abstract
The present study reports the effect of the addition of room temperature liquid metal gallium on hydrogen generation in water splitting reaction using aluminum. The various proportions of gallium used were 13%, 23%, 33% and 50% weight by weight gallium of the total weight of metals (aluminum and gallium) in the reaction. The hydrogen generation at these additions of gallium was studied at various concentrations of aqueous KOH viz. 1 N, 1.5 N and 2 N and at various reaction temperatures of 50, 60 and 70 °C. The optimum proportion of gallium was found to be 23% at which the hydrogen generation rate was observed thrice than the hydrogen generation rate in absence of gallium. The temperature of the reaction was observed to be dominant over the gallium addition at 60 and 70 °C. The gallium used in the reaction was completely recovered and reused in the reaction.
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