Smart Grid and Renewable Energy, 2017, 8, 325-335 http://www.scirp.org/journal/sgre ISSN Online: 2151-4844 ISSN Print: 2151-481X DOI: 10.4236/sgre.2017.810021 Oct. 31, 2017 325 Smart Grid and Renewable Energy Effect of Incidence Angle of Magnetic Field on the Performance of a Polycrystalline Silicon Solar Cell under Multispectral Illumination Idrissa Sourabié, Issa Zerbo, Martial Zoungrana, Dioari Ulrich Combari, Dieudonné Joseph Bathiebo 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 perfor- mance 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 photo- voltage 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 photovol- tage and the electric power-photovoltage is studied. Then, the curves of the electric power-photovoltage is used to find the maximum electric power al- lowing 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. Keywords Bifacial, Conversion Efficiency, Incidence Angle, Magnetic Field, Polycrystalline Silicon Solar Cell 1. Introduction The performance of photovoltaic modules and cells depends on climatic and seasonal parameters but also on external factors as electric field, magnetic field, How to cite this paper: Sourabié, I., Zerbo, I., Zoungrana, M., Combari, D.U. and Bathiebo, D.J. (2017) Effect of Incidence Angle of Magnetic Field on the Perfor- mance of a Polycrystalline Silicon Solar Cell under Multispectral Illumination. Smart Grid and Renewable Energy, 8, 325-335. https://doi.org/10.4236/sgre.2017.810021 Received: September 18, 2017 Accepted: October 28, 2017 Published: October 31, 2017 Copyright © 2017 by authors and Scientific Research Publishing Inc. This work is licensed under the Creative Commons Attribution International License (CC BY 4.0). http://creativecommons.org/licenses/by/4.0/ Open Access