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Photovoltaic system for efficient solar radiation collection and solar panel incorporating same

A photovoltaic cell, solar radiation technology, applied in the field of photovoltaic systems

Inactive Publication Date: 2012-11-28
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Current concentrating photovoltaic systems are lacking in this regard, specifically mechanisms for managing reflected light exiting the system

Method used

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  • Photovoltaic system for efficient solar radiation collection and solar panel incorporating same
  • Photovoltaic system for efficient solar radiation collection and solar panel incorporating same
  • Photovoltaic system for efficient solar radiation collection and solar panel incorporating same

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Experimental program
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Embodiment Construction

[0059] Below, we provide an explicit description of the invention. For this purpose we use the provided figures in which reference numbers identify similar or identical elements in the several views. Figure 1 represents a prior art concentrator photovoltaic system in a schematic cross-sectional view. A set of side walls 2 and a bottom plate 3 form a container for other optical and electronic components. Without loss of generality, in the figures we only show the two side walls 2 in cross-sectional view. The side walls 2 and the bottom plate 3 are made of light weight material which may include (but not limited to): plastic material, glass or thin sheet metal. Furthermore, the side walls 2 and the floor 3 may be constructed of a variety of materials or composite materials, and they may be self-supporting, or mounted by means of one or more supporting structures. The top of the container formed by the set of side walls 2 and bottom plate 3 is covered by a Fresnel lens 1 . Al...

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PUM

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Abstract

A concentrated photovoltaic system includes a photovoltaic cell (5); a primary light concentrating optic (1,7); and a secondary light mixing concentrator (4). The primary light concentrating optic (1,7) is arranged to collect solar radiation and concentrate the collected solar radiation towards the secondary light mixing concentrator (4). The secondary light mixing concentrator (4) is arranged to concentrate the concentrated solar radiation from the primary light concentrating optic (1,7) towards the photovoltaic cell (5). The secondary light mixing concentrator (4) includes a dielectric member having first and second primary surfaces, with the second primary surface being in optical contact with the photovoltaic cell (5) and the first primary surface facing the primary light concentrating optic (1,7). The first primary surface has a non-planar surface structure (6) configured to redirect light which is reflected at transitional surfaces between the secondary light mixing concentrator (4) and the photovoltaic cell (5) back towards the photovoltaic cell (5).

Description

technical field [0001] The present invention relates to a photovoltaic system for collecting and concentrating solar radiation onto photovoltaic cells for generating electricity. More specifically, the present invention relates to a photovoltaic system having primary optics for concentrating and directing solar radiation to the optics of a secondary structure that concentrates the collected radiation onto a photovoltaic cell. Background technique [0002] A concentrating photovoltaic system is an optical system that collects sunlight over a relatively large area and collects that light onto a photovoltaic cell with a much smaller surface area, usually constructed of a semiconductor material such as silicon, gallium arsenide, or Cadmium Telluride. The concentrated sunlight is then converted into electricity by photovoltaic cells with a specific efficiency. This solution is very advantageous since it allows reducing the price of electricity produced by photovoltaic energy co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/052
CPCH01L31/0524Y02E10/52H01L31/0543
Inventor 斯蒂芬·罗尔木斯特萨拉·安妮·米歇尔戴维·詹姆斯·蒙哥马利詹姆斯·罗兰·萨克林
Owner SHARP KK