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Efficiency of Aluminium and Copper Coated Aluminium Electrode in Hydrogen Fuel Generation from Rain Water

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Document pages: 9 pages

Abstract: Water electrolysis is considered as the most capable and old technologyfor hydrogen fuel preparation. Electrolysisneeds external electrical energy through electrodes to split water intohydrogen and oxygen. An efficient electrolysis requires suitable electrodes tominimize potential drop. In this study Aluminium and Copper Coated Aluminiumwere used as different combination of Anodes and Cathodes to find out moreefficient electrodes combination. NaCl solution in rain water was taken aselectrolyte. Rain water was taken to avoid ionic impedance of tap water andexpenses of distilled water. In this study, the most efficient electrodecombination was Copper Coated Aluminium (anode)-Aluminium(cathode) and gave the highest efficiency of hydrogen production to about 11 at normal temperature for very low concentration of NaCl (0.051 M)which increased with temperature, up to 29 upon rising of temp to 60&#176C. It was showed that higher concentration ofelectrolyte would surge the efficiency significantly. If the supplied heatcould be provided from any waste heat sources then this study would be moreefficient. However, current research evaluated the technical feasibility ofthis electrode combination for producing hydrogen with electrolysis of rainwater utilizing electricity and modified electrodes.

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