单晶硅太阳电池的温度和光强特性  

The temperature and illumination intensity characteristic of the monocrystalline silicon solar cell

作　　者：金井升[1] 舒碧芬[1] 沈辉[1] 李军勇[1] 陈美园[1] 

机构地区：[1]中山大学太阳能系统研究所,广东广州510006

出　　处：《材料研究与应用》2008年第4期498-502,共5页Materials Research and Application

摘　　要：利用闪光式电池测试仪在不同温度和光强条件对单晶硅太阳电池进行了测试．研究发现，当温度在25～65℃时，单晶硅太阳电池光照特性的主要参数随着温度呈线性变化．随着温度的升高，短路电流有小幅度上升。填充因子下降，开路电压的降幅达到2．3mV／℃，效率降幅高于0．075％／℃．当光强为340．1～4251．2W／m。时．开路电压随着光强的增加呈指数关系增加，效率随着光强的增加先增加后减小．最大效率值16．67％出现在光强为952．7W／m^2的情况下，填充因子随着光强的增加减小，串联内阻的影响可以解释效率和填充因子下降的现象，在聚光条件下太阳电池的峰值功率得到显著提高．This paper tested the monocrystal silicon solar cell using the flash solar cell tester in different temperature and illumination intensity conditions,and analyzed its temperature characteristic and illumination intensity characteristic to optimize its application. It was found that when the temperature was between 25℃ and 65℃, the main parameters of the monocrystal silicon solar cell＇s light characteristic changed linearly with temperature. As the temperature went up, the short current increased marginally, oppositely,the fill factor decreased,the open voltage also decreased at a rate of 2.3 mV/℃ ,and the efficiency decreased at a rate of more than 0. 075 %/℃. We explained these theoretically. Altering the illumination intensity of the flash between 340.1 W/m^2 and 4251.2 W/m^2 ,We found when the illumination intensity rose up, the open voltage increased exponentially, but the efficiency increased at first and then decreased, the highest efficiency 16.67% showed up at 952.7 W/m^2 ,the fill factor decreased,the last two phenomena can be attributed to the series resistance＇s effect, the solar cell＇s max power was improved significantly when being concentrated.

关 键 词：太阳电池 温度特性 光强特性 

分 类 号：TK514[动力工程及工程热物理—热能工程]