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基于双结模型非理想太阳能电池伏安特性参数数值分析

Numerical analysis of the non-ideal current-voltage characteristics of solar cell
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摘要 提出了一种对于太阳电池光照条件和暗特性条件下对其伏安特性全段进行拟合提取参数的改进方法.对太阳电池J-V曲线进行分段,提取每段的4个关键参数:串联电阻(R s)、并联电阻(R sh)、品质因子(n)、反向饱和电流密度(J0).这种方法采用了双结电路模型法,并以CdS/CdTe薄膜电池为例进行了光照下和暗特性分析,得到了比单结电流模型更多的参数,并且具有较高的拟合精度(误差<0.7%). A revised method to evaluate parameters of solar cell from current-voltage characteristics, under illuminated or non-illuminated conditions, was described. The series resistance (Rs), the shunt resistance (Rsh), the ideality factor (n), and the reverse saturation current density(J0 ) were extracted using the two diode circuit model from selected re- gions of the J-V curves. Using the presented model, more parameters with higher fitted precision have been extracted from experimental J-V curves of a CdS/CdTe thin film solar cell than using a single diode circuit one.
出处 《红外与毫米波学报》 CSCD 北大核心 2013年第5期389-393,436,共6页 Journal of Infrared and Millimeter Waves
基金 中国科学院知识创新工程重要方向项目(KGCX2-YW-38)、(KGCX2-YW-384) 上海市2012年度“科技创新行动计划”节能减排领域项目(12dz1201000)~~
关键词 CdS CDTE薄膜 太阳电池 伏安特性 双结电路模型 ROLLOVER CdS/CdTe thin film solar cell current-voltage characteristics two diode circuit model Rollover
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参考文献32

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