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采用在二甲基硅油内添加2-羟基-4-甲氧基二苯甲酮(UV-9)和受阻胺类光稳定剂GW-783的方法制备了光稳定剂/二甲基硅油共混物复合材料,研究了其用作聚光太阳电池散热介质的性能。通过加速寿命试验的方法,考察了复合材料的耐候性、黏度和光谱透过性,确定了工作过程中光稳定剂在复合材料中的质量分数范围,检测和分析了聚光太阳电池试验前后的性能。试验证明光稳定剂/二甲基硅油共混物复合材料能够有效抑制老化作用的影响,且聚光太阳电池与复合材料之间不会影响彼此的特性,这保证了聚光光伏(CPV)系统长期运行下电力输出的稳定,其中UV-9-GW-783/二甲基硅油复合材料的性能最佳。
A light stabilizer / simethicone blend was prepared by adding 2-hydroxy-4-methoxybenzophenone (UV-9) and hindered amine light stabilizer GW-783 in dimethyl silicone oil Composite materials, its performance as a concentrating solar cell cooling medium. Through the accelerated life test method, the weatherability, viscosity and spectral permeability of the composite were investigated. The range of mass fraction of the light stabilizer in the composite was determined. Before and after the test performance. It has been demonstrated that the light stabilizer / simethicone blend composite can effectively suppress the effects of the aging effect and that the properties of the concentrating solar cell and the composite do not affect each other, which ensures that the concentrating photovoltaic (CPV) system Long-term operation of the power output stability, including UV-9-GW-783 / simethicone composite best performance.