International Journal of Industrial Electronics and Electrical Engineering(IJIEEE).
Paper Title - Employing Ultraviolet Portion of the Solar Spectrum for Green Energy Generation in Terrestrial Applications
The paper aims at Hydrogen and Oxygen generation by means of thermolysis of sea water (available in
abundance) using the UV spectrum of the direct sun light. Owing to this demand, for 01 liter of sea water, a prototype is
designed, comprising of optical circuits as input stages for extraction and concentration of the UVA and UVB irradiance of
sun light. These concentrated rays are made to fall simultaneously upon commercially available, UV based Nitride solar cells
(In0.33Ga0.67N/Si) array to generate 3.67kWh of electricity from 30 such cells and 0.0011kWh on water to raise its
temperature up to 850oC. Including a loss factor of 1.5, the total required amount of energy ~6 kWh is used for Hydrogen
and Oxygen generation. In both cases dual axis tracking systems are employed for the lens assembly alignment and active
light concentration maintaining stages for cells and water separately. Before raising the temperature of the sea water it is
processed through desalination setup to be used in solid oxide electrolyzer cell (SOEC) especially designed for high
temperature thermolysis. In this case, an optimization process is rigorously followed in order to adjust the light concentration
for maintaining a fixed temperature of interest, cell types and their number selection to fulfill the energy demand. The
Hydrogen and Oxygen thus produced can later be used for various applications.
Keywords - UV System, Hydrogen extraction, Green Energy
Author - Hifsa Shahid, Muhammad Salim Butt, Muhammad Adnan, Zeeshan Mahmood, Usman R. Saifullah