After a gap of more than two decades, Concentrator Photovoltaics (CPV) technology is once again under spotlight for making use of the best available solar cell technologies and improving the overall performance. CPV finds its use in a number of applications ranging from building integration to huge power generation units. Although the principles of solar concentration are well understood, many practical design, operation, control issues require further understanding and research. A particular issue for CPV technology is the non-uniformity of the incident flux which tends to cause hot spots, current mismatch and reduce the overall efficiency of the system. Understanding of this effect requires further research, and shall help to employ the most successful means of using solar concentrators. This study reviews the causes and effects of the non-uniformity in the CPV systems. It highlights the importance of this issue in solar cell design and reviews the methods for the solar cell characterization under non-uniform flux conditions. Finally, it puts forward a few methods of improving the CPV performance by reducing the non-uniformity effect on the concentrator solar cells. (C) 2012 Elsevier Ltd. All rights reserved.
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Shanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R ChinaShanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R China
Xie, W. T.
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Dai, Y. J.
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Shanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R ChinaShanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R China
Dai, Y. J.
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Wang, R. Z.
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Shanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R ChinaShanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R China
Wang, R. Z.
;
Sumathy, K.
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N Dakota State Univ, Dept Mech Engn, Fargo, ND 58105 USAShanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R China
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Tianjin Univ, Sch Architecture, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China
Zhu, Li
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Boehm, Robert F.
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Univ Nevada, Energy Res Ctr, Las Vegas, NV 89154 USATianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China
Boehm, Robert F.
;
Wang, Yiping
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Univ Nevada, Energy Res Ctr, Las Vegas, NV 89154 USA
Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China
Wang, Yiping
;
Halford, Christopher
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Univ Nevada, Energy Res Ctr, Las Vegas, NV 89154 USATianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China
Halford, Christopher
;
Sun, Yong
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Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China
机构:
Shanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R ChinaShanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R China
Xie, W. T.
;
Dai, Y. J.
论文数: 0引用数: 0
h-index: 0
机构:
Shanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R ChinaShanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R China
Dai, Y. J.
;
Wang, R. Z.
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h-index: 0
机构:
Shanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R ChinaShanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R China
Wang, R. Z.
;
Sumathy, K.
论文数: 0引用数: 0
h-index: 0
机构:
N Dakota State Univ, Dept Mech Engn, Fargo, ND 58105 USAShanghai Jiao Tong Univ, Res Ctr Solar Power & Refrigerat, Shanghai 200240, Peoples R China
机构:
Tianjin Univ, Sch Architecture, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China
Zhu, Li
;
Boehm, Robert F.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Nevada, Energy Res Ctr, Las Vegas, NV 89154 USATianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China
Boehm, Robert F.
;
Wang, Yiping
论文数: 0引用数: 0
h-index: 0
机构:
Univ Nevada, Energy Res Ctr, Las Vegas, NV 89154 USA
Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China
Wang, Yiping
;
Halford, Christopher
论文数: 0引用数: 0
h-index: 0
机构:
Univ Nevada, Energy Res Ctr, Las Vegas, NV 89154 USATianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China
Halford, Christopher
;
Sun, Yong
论文数: 0引用数: 0
h-index: 0
机构:
Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R ChinaTianjin Univ, Sch Architecture, Tianjin 300072, Peoples R China