摘要
光伏玻璃的透光率是影响光伏组件光电转换效率的重要因素。在其他材料及制备条件均相同的前提下,基于光的干涉原理,制备分别采用单层镀膜光伏玻璃与双层镀膜光伏玻璃的相同版型的双玻单晶硅光伏组件,对2种光伏组件的输出功率进行对比分析;然后分析了双层镀膜光伏玻璃的透光率与膜层厚度之间的关系,并通过环境测试对镀膜光伏玻璃的耐候性进行了研究。研究结果表明:相同版型的双玻单晶硅光伏组件采用双层镀膜光伏玻璃时的最大输出功率比其采用单层镀膜光伏玻璃时提高了3.32 W;底层膜使用致密的纳米SiO_(2)溶胶,折射率为1.44,厚度约为78.5 nm,表层膜使用多孔的SiO_(2)薄膜,折射率约为1.29,厚度约为110 nm时得到的双层镀膜光伏玻璃的透光率增益最大;双层镀膜光伏玻璃提高了双玻单晶硅光伏组件的耐候性,且只需增加相应设备即可实现双层镀膜光伏玻璃的批量生产。
The transmittance of PV glass is an important factor affecting the photoelectric conversion efficiency of PV modules.On the premise that other materials and preparation conditions are the same,based on the light interference principle,double glass mono-Si PV modules of the same version using single-layer anti-reflection coating PV glass and double-layer anti-reflection coating PV glass are prepared,and their output power is compared and analyzed.Then,the relationship between the transmittance of the double-layer anti-reflection coating PV glass and the film thickness is analyzed,and the weather resistance of the coating PV glass is studied through environmental testing.The results show that the maximum output power of the double glass mono-Si PV module with the same version when using double-layer anti-reflection coating PV glass is 3.32 W higher than that of the single-layer anti-reflection coating PV glass.When the dense nano-SiO_(2) sol is used as the bottom film,with a refractive index of 1.44 and a thickness of about 78.5 nm,and the porous SiO_(2) film is used as the top film,with a refractive index of about 1.29 and a thickness of about 110 nm,the transmittance gain of the obtained double-layer anti-reflection coating PV glass is the largest.The double-layer anti-reflection coating PV glass improves the weather resistance of the double glass mono-Si PV modules,and the batch production of the double-layer anti-reflection coating PV glass can be realized only by adding corresponding equipment.
作者
乔惠玲
郑张安
王少佳
尹伟勇
牛祎琳
柳思
Qiao Huiling;Zheng Zhang’an;Wang Shaojia;Yin Weiyong;Niu Yilin;Liu Si(JA Solar(Xingtai)Co.,Ltd.,Xingtai 055550,China)
出处
《太阳能》
2022年第9期70-76,共7页
Solar Energy
关键词
单晶硅光伏组件
光伏玻璃
双层镀膜
透光率
膜层厚度
耐候性
mono-Si PV modules
PV glass
double-layer anti-reflection coating
light transmittance
film thickness
weather resistance
