Smart Grid and Renewable Energy, 2018, 9, 43-56 http://www.scirp.org/journal/sgre ISSN Online: 2151-4844 ISSN Print: 2151-481X DOI: 10.4236/sgre.2018.93004 Mar. 30, 2018 43 Smart Grid and Renewable Energy Analysis of T-Coefficients Using the Columnar Cylindrical Orientation of Solar Cell Grain Serigne Ndiangue Leye 1,2 , Ibrahima Fall 1 , Senghane Mbodji 1,2 , Papa Lat Tabara Sow 1 , Gregoire Sissoko 2 1 Research Team in Renewable Energies, Materials and Laser of Department of Physics, Alioune DIOP University of Bambey, Bambey, Senegal 2 Laboratory of Semiconductors and Solar Energy, Department of Physics, Faculty of Science and Technology, Cheikh Anta Diop University, Dakar, Senegal Abstract We report the study of the temperature dependance of the performance electronic parameters of an N-P solar cell by considering as model, the co- lumnar cylindrical orientation associated to the dynamic junction velocity (SF) concept. We presented the photocurrent-photovoltage (I-V) and Pow- er-photovoltage (P-V) characteristic curves. The short-circuit photocurrent (I sc ), the open circuit photovoltage (U oc ), the fill factor (FF) and the efficiency (η) are linearly dependent on the temperature. The temperature coefficients (T-coefficient) relative to the short-circuit, open-circuit photovoltage and ef- ficiency are calculated and the comparison with data from the literature showed the accuracy of the considered model. Keywords Polycrystalline, Solar Cell, Junction Recombination Velocity, Temperature 1. Introduction The photovoltaic effect was first discovered in 1839 by Edmond Becquerel [1]. The photosensitive properties of selenium and the photovoltaic effect in semi-conductors were developed in 1873 by Willough Smith and in 1875 by Werner Von Siemens, respectively [1]. The first solar cell made of selenium and gold with a 1% of efficiency [1] was then created by Charles Fritts in 1883. Since then, several research projects have significantly increased the efficiency of solar cell’s to reach 22.9% in 2015 for a crystalline silicon solar cell under the global AM1.5 spectrum (1000 W/m 2 ) at 25˚C [2]. Due to the improved manufacturing How to cite this paper: Leye, S.N., Fall, I., Mbodji, S., Sow, P.L.T. and Sissoko, G. (2018) Analysis of T-Coefficients Using the Columnar Cylindrical Orientation of Solar Cell Grain. Smart Grid and Renewable Energy, 9, 43-56. https://doi.org/10.4236/sgre.2018.93004 Received: February 26, 2018 Accepted: March 27, 2018 Published: March 30, 2018 Copyright © 2018 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