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Design and Build of Hydrogen Production Prototype Using Water Electrolysis Method Using Solar Panels

Journal: International Journal of Scientific Engineering and Science (Vol.6, No. 2)

Publication Date:

Authors : ;

Page : 72-77

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The production of renewable H2 through NRE resources can be done by 2 methods of Biomass Process and Water Splitting (thermolysis, Photolysis, and Electrolysis). Separation of water using the electrolysis method in the law of thermodynamics states that "the reaction of water separation is a non-spontaneous transformation". However, it can be driven externally by providing energy to the system, for example, electricity. This reaction is called an endergonic transformation and the device used is an electrolyzer. An electrolyzer contains at least one electrolyzing cell. Electrolysis has two electrodes placed opposite each other and separated by a thin layer of ionic conductors (electrolytes). In the water electrolysis cell, electrical work is applied to the cell to break water molecules into H2 and O2 gases. However, the low efficiency of the electrolyzer causes high energy consumption in the H2 production process. Hydrogen produced from renewable energy sources (solar energy) electrolytically, can be considered as renewable hydrogen, is environmentally friendly, and does not cause greenhouse gas emissions. From the results of the tests that have been carried out, the volume of hydrogen production is influenced by the amount of current applied to the cell, the concentration of KOH also affects the production efficiency, where the concentration of 8% KOH with a current of 1 ampere has the best efficiency in electrolytic hydrogen production.

Last modified: 2022-03-22 20:57:13