The Solar Cell Parameters as a Function of Its Temperature in Relation to Its Diurnal Efficiency
Optics and Photonics Journal , Volume 10, pp 1-12; doi:10.4236/opj.2020.101001
Abstract: The variation of the temperature of the solar cell subjected to the incident global solar radiation along the local daytime in relation to its efficiency is studied. The heat balance equation is solved. The solution revealed that the cell temperature is a function of the maximum value of the daily incident global solar radiation qmax, the convection heat transfer coefficient (h), the optical, physical and the geometrical parameters of the cell. The temperature dependence of the short circuit current Isc, the dark saturation current Io, the open circuit voltage Voc, and the energy band gap Eg characterizing a Silicon solar cell is considered in evaluating the cell efficiency. Computations of the efficiency concerning operating conditions and astronomical locations (Egypt) as illustrative examples are given.
Keywords: solar energy / heat transfer model / solar cell performance / Solar Cell Temperature
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