| 摘要 |
Techniques for collecting a large amount of sunlight without overheating the underlying solar cells are disclosed. According to one aspect of the techniques, an array of concentrating lenses are provided, each of the lenses having a spherical surface that includes a plurality of concentric V-shaped rings. Such lenses have been proved to be able to focus a large amount of sunlight onto solar cells while at the same time reducing heat caused by the concentrated sunlight. To further heat dissipation, the solar cells are bonded to a metallic board. Various layouts of electrodes are designed to lead out the energy signals in the presence of the metallic board.
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