Influence of capacitance characteristic on I–V measurement of dye-sensitized solar cells
Influence of capacitance characteristic on I–V measurement of dye-sensitized solar cells
复制标题
电容特性对染料敏化太阳能电池I-V测量的影响
DOI：
10.1016/j.measurement.2011.06.003
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发表时间：
2011
期刊：
影响因子：
5.6
通讯作者：
Z. Zou
中科院分区：
文献类型：
--
作者：
Hanmin Tian;Jiyuan Zhang;Xiangyan Wang;Tao Yu;Z. Zou
基于等效电路和参数估计的定量分析，证实了DSSC的电容特性是导致效率测量值波动的主要原因。以典型的染料太阳能电池为例，利用晶体成分、粒径和I-V曲线对电池进行了表征，估算了电池的等效电路参数。给出了电容与测量I-V曲线之间的定量分析和相应的公式表达式，提出了准确测量DSSC效率的扫描速度范围。传统的I-V测试方法在染料敏化太阳能电池的测试中存在局限性。实验结果表明，该方法中扫描速度对DSSC的效率值有较大影响，而对硅电池的效率值没有影响。
The quantitative analysis, which based on equivalent circuits and parameter estimating, approved the capacitance characteristic of DSSCs caused the fluctuation of the measured efficiency. The equivalent circuit parameter was estimated from a typical dye solar cell, which was characterized with the crystalline ingredient, particle size and I–V curve. Quantitative analysis and corresponding formula expression between the capacitance and the measured I–V curve is given, and a proper range of scan speed for accurate measuring the efficiency of DSSC is suggested. It is found the traditional I–V measurement method is limited in the measurement of dye-sensitized solar cells (DSSCs). Experiments showed that, the scan speed in this method influences the measured DSSCs’ efficiency value greatly, while none such impact was found in that of Si cell.