Abstract

In this paper, we present a new electrolysis design for maximum hydrogen production using photovoltaic panel so as to get a clean production and a clean storage of energy. The new electrolysis is build with two coaxial cylindrical electrodes which have a radial electrical field with a very low edge effect. The method is based on electrical field confinement which exists in the thin space between the two cylindrical electrodes. The electrical field polarizes water molecules and defeats their enthalpy of formation. A comparative study between a new design and a classical one is made. This study shows that using the same electrical power for the two designs, flat and cylindrical electrodes; hydrogen production for the new design is higher. To reach a good adaptation between the photovoltaic panel and electrolysis device, a DC/DC boost converter having an MPPT control is used. Due to an algorithm named incremental conductance, a PWM signal is produced for controlling the boost device.

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