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.
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