Circuit modeling and analysis of hysteresis effect of perovskite photovoltaic cells

IF 6.3 2区材料科学 Q2 ENERGY & FUELS

Solar Energy Materials and Solar Cells Pub Date : 2024-09-23 DOI:10.1016/j.solmat.2024.113182

Shengxue Tang , Jinjing Yan , Li Chen , Wenyu Zhang , Liqiang Tan

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Abstract

Perovskite solar cells are an important development direction for future solar photovoltaic technology, with advantages such as low cost and high efficiency. However, they commonly suffer from hysteresis effects, which severely impacts the efficiency and lifespan of the cells. This paper analyzes the mechanism of hysteresis effects and the characteristics of the J-V curve of the cells. From a circuit perspective, this paper proposes a circuit modeling method for the J-V characteristics of hysteresis effects in perovskite photovoltaic cells. By utilizing the dynamic properties of nonlinear capacitors, the hysteresis model of perovskite photovoltaic cells is constructed, and the general expression of the model is derived. This model can simulate common hysteresis curves of different perovskite photovoltaic cells under various conditions. Simulation analysis of parameters' effects on hysteresis effects is conducted using the model. Experimental validation confirms that the circuit model accurately replicates the hysteresis effects observed in individual cells. By finely adjusting parameters, the model can efficiently generate a wide array of hysteresis effects, offering exceptional precision and versatility. This capability facilitates the precise simulation of hysteresis phenomena observed in perovskite photovoltaic cells.

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光伏电池磁滞效应的电路建模与分析

过氧化物太阳能电池具有低成本、高效率等优点，是未来太阳能光伏技术的重要发展方向。然而，它们普遍存在滞后效应，严重影响了电池的效率和寿命。本文分析了滞后效应的机理和电池的 J-V 曲线特性。从电路的角度，本文提出了一种针对包晶光伏电池磁滞效应 J-V 特性的电路建模方法。利用非线性电容器的动态特性，构建了光伏电池的磁滞模型，并推导出模型的一般表达式。该模型可模拟不同条件下不同殒石光伏电池的常见磁滞曲线。利用该模型对参数对磁滞效应的影响进行了仿真分析。实验验证证实，电路模型准确复制了在单个电池中观察到的磁滞效应。通过微调参数，该模型可以有效地产生各种磁滞效应，具有极高的精度和多功能性。这种能力有助于精确模拟在包晶光伏电池中观察到的磁滞现象。

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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来源期刊

Solar Energy Materials and Solar Cells 工程技术-材料科学：综合

CiteScore

12.60

自引率

11.60%

发文量

513

审稿时长

47 days

期刊介绍： Solar Energy Materials & Solar Cells is intended as a vehicle for the dissemination of research results on materials science and technology related to photovoltaic, photothermal and photoelectrochemical solar energy conversion. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials.