Comparative study of the effects of simulation models on the electronic and electrical parameters of a silicon pv cell

Kpéli Esso Ehanam Tchedre, M. Savadogo, Guy Serge Tchouadep, I. Zerbo, M. Zoungrana
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Abstract

  For silicon solar cells simulation studies, one dimensional (1D), two dimensional 2D) and t   hree dimensional (3D) models are used. Depending of model proposed and assumptions done for the study, the electronic and electrical parameters and then the performance of the solar cell can be influenced. This situation raises the problem of the relevance of the choice of the study model and the quality of the resulting results. This work, propose comparative study of the electronic and electric parameters of 1D model, 3D analytical model and 3D empirical model. In this study, continuity equations of excess minority electrons are solved for 1D and 3D models and analytical expressions of electronic parameters (density of electrons δ, intrinsic junction recombination velocity Sf0 and recombination velocity at back surface Sb) and electric parameters (Jsc, Voc, η) are derived. The influence of the model chosen on the electric and electronic parameters of the PV cell have been presented. It appears in this study that the choice of the simulation model has a large influence on the electronic and electrical parameters the PV cell. The one-dimensional formulation (1D) overestimates the solar cell efficiency comparatively to the three-dimensional (3D) formulations. The study put in evidence also that for the same grain size, the solar cell efficiency resulting of 3D classical formulation is overestimates than one resulting of 3D empirical formulation.    
模拟模型对硅光伏电池电学参数影响的比较研究
对于硅太阳能电池的模拟研究,使用一维(1D),二维(2D)和三维(3D)模型。根据所提出的模型和所做的假设,可以影响太阳能电池的电子和电气参数,进而影响太阳能电池的性能。这种情况提出了研究模型的选择和结果质量的相关性问题。本文提出了对一维模型、三维解析模型和三维经验模型的电、电参数进行比较研究。在本研究中,求解了一维和三维模型中过量少数电子的连续性方程,推导了电子参数(电子密度δ、本征结复合速度Sf0和后表面复合速度Sb)和电参数(Jsc、Voc、η)的解析表达式。给出了模型的选择对光伏电池电学参数的影响。在本研究中可以看出,仿真模型的选择对光伏电池的电子和电气参数有很大的影响。与三维(3D)配方相比,一维配方(1D)高估了太阳能电池效率。研究还表明,在相同晶粒尺寸的情况下,三维经典配方的太阳能电池效率比三维经验配方的效率要高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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