Effect of Incidence Angle of Magnetic Field on the Performance of a Polycrystalline Silicon Solar Cell under Multispectral Illumination
- 1 Laboratory of Thermal and Renewable Energies, Department of Physics, University Ouaga I Prof. Joseph ki-Zerbo, Ouagadougou, Burkina Faso
- 2 Laboratory of Thermal and Renewable Energies, Department of Physics, University Ouaga I Prof. Joseph ki-Zerbo, Ouagadougou, Burkina Faso
- 3 Laboratory of Thermal and Renewable Energies, Department of Physics, University Ouaga I Prof. Joseph ki-Zerbo, Ouagadougou, Burkina Faso
- 4 Laboratory of Thermal and Renewable Energies, Department of Physics, University Ouaga I Prof. Joseph ki-Zerbo, Ouagadougou, Burkina Faso
- 5 Laboratory of Thermal and Renewable Energies, Department of Physics, University Ouaga I Prof. Joseph ki-Zerbo, Ouagadougou, Burkina Faso
Abstract
The aim of this work is to investigate, with a three-dimensional steady-state approach, the effect of the incidence angle of a magnetic field on the performance of a polycrystalline silicon solar cell under multispectral illumination. The magneto-transport and continuity equations of excess minority carriers are solved to find the expression of the density of excess minority carriers and the related electrical parameters, such as the photocurrent density, the photovoltage and the electric power, of a grain of the polycrystalline silicon solar cell. The influence of the incidence angle of the magnetic field on the diffusion coefficient, the short-circuit photocurrent density, the open-circuit photovoltage and the electric power-photovoltage is studied. Then, the curves of the electric power-photovoltage is used to find the maximum electric power allowing to calculate, according to the incidence angle of the magnetic field, the fill factor and the conversion efficiency. The study has shown that the increase of the incidence angle of the magnetic field from 0 rad to π/2 rad, can reduce the degradation of the performance of solar cells.
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