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A new technique for boosting efficiency of silicon solar cells

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Apr 2005Publisher:Elsevier BVJournal:Solar Energy Materials and Solar Cells, volume 86, pages 585-591 (issn: 0927-0248,

Authors: Haitao Liu; Fenglian Wang; Liqing Yang; Min Gao; Li Bian; Ming Chong; Xun Chi; +4 Authors

doi: 10.1016/j.solmat.2004.11.005

A new technique for boosting efficiency of silicon solar cells

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Abstract

A new type of photovoltaic system with higher generation power density has been studied in detail. The feature of the system is a V-shaped module (VSM) with two tilted monocrystalline solar cells. Compared to solar cells in a flat orientation, the VSM enhances external quantum efficiency and leads to an increase of 31% in power conversion efficiency. Due to the VSM technique, short-circuit current density was raised from 24.94 to 33.7mA/cm(2), but both fill factor and open-circuit voltage were approximately unchanged. For the VSM similar results (about 30% increase) were obtained for solar cells fabricated by using mono-crystal line silicon wafers with only conventional background impurities. (c) 2004 Elsevier B.V. All rights reserved.

Related Organizations

Chinese Academy of Sciences
China (People's Republic of)
Chinese Academy of Sciences
United States
Chinese Academy of Sciences
China (People's Republic of)

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