Efficiency evaluation of a hybrid miniaturized concentrated photovoltaic for harvesting direct/diffused solar light

Wei Chen Tsao, Qiu Chun Zeng, Yu Hsiang Yeh, Chih Hung Tsai, Hwen Fen Hong, Chun Yi Chen, Tse Yang Lin, Yi Ya Huang, Che Wei Tsao, Jui-Wen Pan, Chih Ming Wang

Research output: Contribution to journalArticlepeer-review

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Abstract

In this paper, a miniaturized concentrator photovoltaic (CPV) system is experimentally demonstrated based on a hot embossing silicone lens array with a size of 2 cm ×2 cm. Owing to the small size of the lens array, the total track of the CPV system can be as small as 4 cm. Consequently, the weight of the CPV system can be much lower than conventional bulky CPV system. For harvesting the diffuse solar radiation, perovskite solar cells are mounted adjacent to a multi-junction solar cell. Theoretically, the short-circuit current of the CPV system can be enhanced from 48.1 to 85.5 mA for γ = 0.7. The enhancement can be much higher for off-normal incident light. This kind of hybrid CPV system will be useful for cloudy weather and also useful for compensating the loss caused by the miss-alignment of the tracking module.

Original languageEnglish
Article number035901
JournalJournal of Optics (United Kingdom)
Volume21
Issue number3
DOIs
StatePublished - 6 Feb 2019

Keywords

  • concentrators
  • nonimaging optics
  • photovoltaic

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