Concentrating photovoltaic cell chip

A concentrating photovoltaic and cell technology, applied in the field of solar power generation, can solve the problems of small rated current, easy-to-fuse negative electrode, and reduce the conversion efficiency of concentrating photovoltaic cells, so as to achieve the effect of improving conversion efficiency and increasing the light-receiving area

Inactive Publication Date: 2013-01-16
成都聚合科技有限公司
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Problems solved by technology

At present, all concentrated photovoltaic cells are based on the light intensity of 1000W/m 2 Tested and mass-produced at room temperature, the width of the negative electrode is within 0.5mm, so its rated current is relatively small, and it is easy to fuse the negative electrode under the conditions of large concentration multiples and strong light intensity.
At the same time, when welding or binding processing

Method used

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  • Concentrating photovoltaic cell chip
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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] A concentrated photovoltaic cell, such as Figure 1~2 As shown, one side of the substrate layer 2 of the concentrated photovoltaic cell is the positive electrode layer 3 , and the other side is the negative electrode segment layer 1 .

[0016] The substrate layer 2 of the concentrated photovoltaic cell combines the positive electrode layer 3 and multiple negative electrode segment layers 1 skillfully through a special process, which can ensure that large currents are smoothly guided through the positive electrode layer 3 and the negative electrode segment layer 1 At the same time, it can also ensure that each electrode layer and connecting wire can withstand the rated current of 10~50 amperes.

[0017] The negative electrode segment layer 1 is processed on the substrate layer 2 of the concentrated photovoltaic cell. The negative electrode segment layer 1 ha...

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Abstract

The invention relates to a concentrating photovoltaic cell chip, and belongs to the technical field of solar power generation. The cell chip comprises a plurality of negative electrode section layers, a concentrating photovoltaic cell substrate layer and a positive electrode layer, wherein the positive electrode layer and a plurality of negative electrode section layers are skillfully combined together through the concentrating photovoltaic cell substrate layer by a special process. High current can be smoothly led out through the positive electrode layer and the negative electrode section layers, and the cell chip is not damaged under the condition of more than 1,000 concentrating times and the regional condition of strong light; and meanwhile, by arranging the I-shaped negative electrode section layers of the cell chip, a light receiving area is effectively increased, and the aim of improving the conversion efficiency of the cell chip is fulfilled.

Description

technical field [0001] The invention relates to a photovoltaic power generation component, in particular to a concentrating photovoltaic battery sheet, which belongs to the technical field of solar power generation. Background technique [0002] Generally, the main benefit sought by high-power concentrated photovoltaic photoelectric conversion receivers is to obtain high-density solar radiation concentrated from Fresnel lenses on the effective area of ​​concentrated photovoltaic cells. The higher the multiple of the lens, the higher the density of solar radiation, and the fewer concentrated photovoltaic cells used on the same area, the lower the power generation cost per unit area. [0003] As the lens magnification increases, the intensity of light concentrated on the concentrated photovoltaic cells increases, and the current converted from the concentrated photovoltaic cells increases. At present, all concentrated photovoltaic cells are based on the light intensity of...

Claims

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Application Information

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IPC IPC(8): H01L31/0224
Inventor 王永向
Owner 成都聚合科技有限公司
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