叠层荧光集光太阳能光伏器件的性能模拟和优化
Simulation and optimization of the cascaded luminescent solar concentrator photovoltaic system
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摘要: 荧光集光太阳能光伏器件可以减少太阳能电池的用量,有效降低光伏发电的成本.相对于单层荧光集光太阳能光伏器件,叠层荧光集光太阳能伏器件能分波段充分利用太阳光谱,提高荧光集光太阳能光伏器件的效率.进一步降低光伏发电的成本.但是,叠层荧光集光太阳能光伏器件涉及较多的参量,难以通过实验优化.本文分析了从单层到叠层荧光集光太阳能光伏器件的全部物理过程.建立了数学模型,并相应编制了计算机模拟软件.运用上述软件,系统研究了器件尺寸、太阳能电池的带隙对光电转换效率的影响.Abstract: Luminescent solar concentrator(LSC) photovoltaic system can cut down the cost of photovoltaic electricity generation by reducing the consumption of solar cells.Compared with the single-layer LSC,the cascaded LSC can make use of the solar spectrum effectively and obtain high photoelectric conversion efficiency.In this paper,the physical processes of the single-layer and cascaded LSC are analyzed and the corresponding mathematical models are established.Based on the models,the simulation software is developed to calculate the photoelectric conversion efficiencies of the LSC and the cascaded LSC.The effects of the size of the optical waveguide and the bandgap of solar cells on the total conversion efficiency are investigated.
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