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首页> 外文期刊>Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion >24-PERCENT EFFICIENT PERL SILICON SOLAR CELL - RECENT IMPROVEMENTS IN HIGH EFFICIENCY SILICON CELL RESEARCH
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24-PERCENT EFFICIENT PERL SILICON SOLAR CELL - RECENT IMPROVEMENTS IN HIGH EFFICIENCY SILICON CELL RESEARCH

机译：24％的高效Perl硅太阳能电池-高效硅电池研究的最新进展

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摘要

Recent research upon high efficiency passivated emitter, rear locally-diffused (PERL) cells has resulted in a considerable improvement in the energy conversion efficiencies of silicon solar cells up to 24.0% under the standard global solar spectrum. Under monochromatic light, energy conversion efficiency of 46.3% for 1.04 mu m wavelength light has been measured. These efficiencies are the highest ever reported for a silicon device. This progress has been achieved by a combination of several mechanisms. One is the reduction of recombination at the cell front surface by improved passivation of the silicon/silicon dioxide interface. Resistive losses in the cell have been reduced by a double-plating process which increases the thickness for the coarse cell metallization features. The reflective losses have been reduced by the application of a double layer anti-reflection (DLAR) coating. Another advantage of DLAR coating is that it will give an additional 3% higher current density than SiO2 single layer anti-reflection (SLAR) coated cells when encapsulated into modules. Earlier modifications in the cell mask design have also contributed to this improvement, and will also be discussed in this paper. [References: 14]
机译：对高效钝化发射极，后局部扩散（PERL）电池的最新研究已使硅太阳能电池的能量转换效率大大提高，在标准的全球太阳光谱范围内达到了24.0％。在单色光下，对于1.04微米波长的光，能量转换效率为46.3％。这些效率是硅器件有史以来最高的。通过多种机制的结合已经取得了这一进展。一种是通过改善硅/二氧化硅界面的钝化来减少电池前表面的重组。电池中的电阻损耗已通过双重电镀工艺降低，该工艺增加了粗电池金属化部件的厚度。通过使用双层抗反射（DLAR）涂层，减少了反射损耗。 DLAR涂层的另一个优点是，当封装到模块中时，它比SiO2单层抗反射（SLAR）涂层电池的电流密度高3％。细胞掩模设计的早期修改也为这种改进做出了贡献，并将在本文中进行讨论。 [参考：14]

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