Portable Hybrid System for Producing Green Hydrogen by Electrolysis Using Energy Generated Through an Archimedean Screw
2024
E. Aliaga Villanueva, P. D. Inga Canales, M. G. Mori Paccori, J. V. Cornejo Tueros and K. G. Ibarra Hinostroza
At a global level, energy production is predominantly based on the use of conventional resources such as oil, coal, and gasoline; this dependence has led to adverse effects such as climate change and detrimental impacts on human health; consequently, green hydrogen emerges as a renewable energy source. This work develops and analyses the parameters of a portable hybrid system to produce green hydrogen on a small scale in a more efficient way, allowing it to be placed in rural areas to be used as an ecological fuel source. The hybrid system is divided into two stages; for energy production, a microhydraulic system was developed based on an Archimedes screw turbine, which is made up of a mechanical and electrical design, where the electricity produced is stored in a continuous energy source, which supplies the electric current to the electrodes in the alkaline electrolysis process; where a reaction occurs in the water resource to produce green hydrogen and oxygen. It was demonstrated that the turbine, when presenting a greater wetted area and slope of fall, produces a higher electrical potential, while in the electrolysis process to produce green hydrogen and oxygen, it was determined that the appropriate electrolyte to use is potassium hydroxide at 20% because it has greater electrical conductivity unlike sodium chloride and sodium hydroxide; evidencing the most efficient parameters to implement the hybrid system in rural areas to replace the conventional fuel that is used in cooking food.
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