Holographic lenses for building integrated concentrating photovoltaics

被引:43
|
作者
Chemisana, Daniel [1 ]
Victoria Collados, Ma [2 ]
Quintanilla, Manuel [2 ]
Atencia, Jesus [2 ]
机构
[1] Univ Lleida, Appl Phys Sect, Dept Environm Sci, Escuela Politecn Super, Lleida 25001, Spain
[2] Univ Zaragoza, Fac Ciencias, Dept Appl Phys, I3A, E-50009 Zaragoza, Spain
关键词
Holographic lens; Solar concentration; Photovoltaics; Building integration; Spectral behaviour; EFFICIENCY; GRATINGS;
D O I
10.1016/j.apenergy.2013.04.049
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
A volume transmission phase holographic element was designed and constructed to perform as a building integrated photovoltaic concentrator. The holographic lens diffracts light in the spectral bandwidth to which the cell presents the highest sensitivity with a concentration factor of 3.6X. In this way, the cell is protected from overheating because the infrared for which the solar cell is not sensitive is not concentrated. In addition, based on the asymmetric angular selectivity of the volume hologram and based on the linear concentration, only single-axis tracking is needed. The use of the holographic element increases the efficiency of the PV cell by 3% and the fill factor by 8%. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:227 / 235
页数:9
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