Optimizing bifacial PV performance: The impact of reflectors and free space luminescent solar concentrators on winter yield

IF 6.3 2区材料科学 Q2 ENERGY & FUELS

Solar Energy Materials and Solar Cells Pub Date : 2024-11-30 DOI:10.1016/j.solmat.2024.113323

Anne Rikhof, Shweta S Pal, Leonie M Horst, Jelle Westerhof, Rebecca Saive

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引用次数: 0

Abstract

In this study, we present a novel solar energy harvesting system incorporating free-space luminescent solar concentrators (FSLSCs) integrated with bifacial photovoltaic (PV) modules. The FSLSC design features a luminophore-doped waveguide, an angle- and wavelength-selective notch filter, and a Lambertian reflector, enabling efficient photon recycling. Unlike traditional luminescent solar concentrators, the FSLSC aims to emit photons into free space within a defined emission cone, enhancing light redirection towards PV modules. We developed a three-dimensional ray tracing model to analyze system performance, including different reflector configurations and emission cones. The study focuses on optimizing energy yield in urban settings, particularly during winter months, by examining the effects of diffuse and specular reflectors, and various FSLSC configurations. Our results demonstrate that FSLSCs can enhance winter energy production in the Netherlands by up to 60 %, compared to a conventional optimal tilt monofacial system. The findings highlight the potential of FSLSCs and specialized reflectors to increase PV system efficiency and offer flexible solutions for improving energy yield throughout the year, particularly during periods of high demand.

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优化双面光伏性能：反射器和自由空间太阳能聚光器对冬季产量的影响

在这项研究中，我们提出了一种新型的太阳能收集系统，该系统将自由空间发光太阳能聚光器（FSLSCs）与双面光伏（PV）模块集成在一起。FSLSC设计具有一个发光团掺杂波导，一个角度和波长选择性陷波滤波器，以及一个兰伯反射器，实现有效的光子回收。与传统的发光太阳能聚光器不同，FSLSC旨在将光子发射到一个确定的发射锥内的自由空间，增强对光伏模块的光重定向。我们开发了一个三维光线追踪模型来分析系统的性能，包括不同的反射器配置和发射锥。该研究的重点是通过检查漫射和镜面反射器以及各种FSLSC配置的影响，优化城市环境中的能源产量，特别是在冬季。我们的研究结果表明，与传统的最佳倾斜单面系统相比，FSLSCs可以提高荷兰冬季能源产量高达60%。研究结果强调了FSLSCs和专用反射器在提高光伏系统效率方面的潜力，并为全年提高能源产量提供了灵活的解决方案，特别是在高需求时期。

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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.