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III-V semiconductor solar battery module

A solar cell and semiconductor technology, applied in the field of solar cells, can solve problems such as lower photoelectric conversion efficiency, high production cost, unfavorable industrialization promotion, complex solar module structure and process, etc., to increase the effective light-receiving area, simplify the structure and integrate The effect of craft

Inactive Publication Date: 2015-05-27
SUZHOU JUZHEN PHOTOELECTRIC
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Problems solved by technology

In this technology, there is a problem that the top electrode of III-V semiconductor solar cells occupies a large amount of the battery surface, which reduces the effective light-receiving area of ​​the battery, thereby reducing the photoelectric conversion efficiency; moreover, the structure and process of the solar module are relatively complicated, and the high production cost is not conducive to industrialization. to promote

Method used

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  • III-V semiconductor solar battery module
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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] see figure 1 , figure 2 As shown, the solar module 10 of the embodiment of the present invention includes a Fresnel lens 1, a solar cell chip 2, a solar cell chip top connection electrode 3, a solar module lead terminal 4, a solar cell chip bottom connection electrode 5, and a heat dissipation bottom plate 6 .

[0023] The solar cell chip 2 connects the electrode 3 on the top of the solar cell chip to connect adjacent solar cell chips 2 with opposite polarities in series, which reduces harmful gaps between devices, increases chip integration density, increases the effective light-receiving area, and improves the utilization of light sources efficiency. In the preparation of high-power solar modules, the reverse-junction series solar cell chip technology is used to structure and arrange, which greatly simplifies the device packaging and integration ...

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Abstract

The invention provides an III-V semiconductor solar battery module. The solar battery module comprises solar battery units comprising at least two or more III-V compound semiconductor layers, wherein each solar battery unit adopts a PN junction positive and negative solar battery cell with reversal polarities; generating areas of all of the solar battery units are the same. The solar battery module obtains sufficient power and voltage through a method of connecting PN junction positive and negative solar battery cells with reversal polarities, greatly increases the effective light interception area of a battery, and improves the light collection efficiency of the battery module, so that the photovoltaic conversion efficiency is improved, meanwhile, the solar module structure and the integrated technology are simplified, and the industrialized promotion of the solar battery module is facilitated.

Description

technical field [0001] The invention relates to the technical field of solar cells, in particular to a III-V semiconductor solar cell module. Background technique [0002] With the frequent occurrence of smog weather and the depletion of traditional energy sources such as oil, clean energy sources such as wind energy and solar energy have attracted more and more attention. Solar cells can directly convert solar energy into electrical energy, and no harmful substances such as carbon dioxide or nitride will be produced during the power generation process, and they will not pollute the environment, which has attracted much attention. Among all kinds of solar cells, III-V semiconductor solar cells have the characteristics of strong radiation resistance and high conversion efficiency, so they are becoming more and more research hotspots and focus. [0003] The voltage generated across the electrodes of a single III-V semiconductor solar cell is not sufficient for most purposes. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048H01L31/052
CPCY02E10/50
Inventor 吴作贵朱忻张念站樊成龙
Owner SUZHOU JUZHEN PHOTOELECTRIC
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