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- 2015
液浸聚光太阳电池散热光稳定剂/二甲基硅油共混物复合材料的性能
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Abstract:
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. The light stabilizer/di-methyl silicon oil blend composites were prepared by adding hydroxy-4-methoxy-benzophenone (UV-9) and a hindered amine light stabilizer named GW-783 into di-methyl silicon oil and the composites applied as heat transfer medium for concentrator solar cells were studied. By accelerated life test, the weather resistance of the composites, viscosity and spectral transmittance were investigated and the mass fraction range of light stabilizer in composites during working process were defined. And the performance of concentrator soalr cells before and after test was also detected and analyzed. The results show that the aging effect on light stabilizer/di-methyl silicon oil blend composites can be inhibited efficiently and there are no interaction between concentrator solar cells and composites. Hence, the power performance of concentrator solar cells can be kept stable when concentrating photovoltaic (CPV) system is running for a long time. The most effect composite is UV-9-GW-783/di-methyl silicon oil. 国家自然科学基金(51478297)
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