Concentrator photovoltaic conversion device and manufacturing method thereof

A photoelectric conversion device and manufacturing method technology, applied in photovoltaic power generation, final product manufacturing, sustainable manufacturing/processing, etc., capable of solving problems such as inability to obtain power generation

Active Publication Date: 2015-08-26
SHIN ETSU CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, conventional concentrating photoelectric conversion devices have the following problems: On sunny days, compared with flat-panel s...

Method used

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  • Concentrator photovoltaic conversion device and manufacturing method thereof
  • Concentrator photovoltaic conversion device and manufacturing method thereof
  • Concentrator photovoltaic conversion device and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0201] First, a silicon solar cell 10' having through holes 16 formed by an etching method is prepared.

[0202] Next, using solder paste, the silicon solar cell 10' and the III-V group multi-junction solar cell 20' are placed on the external connection substrate 31, that is, the PCB substrate. The III-V group multi-junction solar cell 20' is mounted It is placed in the through hole 16 part of the silicon solar cell 10'.

[0203] Next, UV ozone treatment is applied.

[0204] Next, the photoelectric conversion element 30 and the external connection substrate 31 are placed in a mold, and a silicone resin (LPS-3541 (model): manufactured by Shin-Etsu Chemical Co., Ltd.) is compression molded to form The condenser lens 34 is integrally molded to manufacture the condenser type photoelectric conversion device 2.

Embodiment 2

[0206] First, a silicon solar cell 10' having through holes 16 formed by an etching method is prepared.

[0207] Next, using solder paste, the silicon solar cell 10' and the III-V group multi-junction solar cell 20' are placed on the external connection substrate 31, that is, the PCB substrate. The III-V group multi-junction solar cell 20' is mounted It is placed in the through hole 16 part of the silicon solar cell 10'.

[0208] Next, UV ozone treatment is performed.

[0209] Next, using a vacuum laminating device (manufactured by Nichigo-Morton), a resin film made by mixing silicone resin (AF-500 (model): manufactured by Shin-Etsu Chemical Industry) and phosphor is attached to the silicon solar cell 10' s surface.

[0210] Next, the photoelectric conversion element 30 connected to the external connection substrate 31 is placed in a mold, and a silicone resin (LPS-3541 (model): manufactured by Shin-Etsu Chemical Co., Ltd.) is compression molded to integrally mold the condenser 34 to...

Embodiment 3

[0212] First, a silicon solar cell 10' having through holes 16 formed by an etching method is prepared.

[0213] Next, using solder paste, the silicon solar cell 10' and the III-V group multi-junction solar cell 20' are placed on the external connection substrate 31, that is, the PCB substrate. The III-V group multi-junction solar cell 20' is mounted It is placed in the through hole 16 part of the silicon solar cell 10'.

[0214] Next, UV ozone treatment is performed.

[0215] Next, by spin coating, the surface of the silicon solar cell 10' is coated with a mixture of polysilazane and phosphor, and then cured to form a vitreous layer.

[0216] Next, the photoelectric conversion element 30 connected to the external connection substrate 31 is placed in a mold, and a silicone resin (LPS-3541 (model): manufactured by Shin-Etsu Chemical Co., Ltd.) is compression molded to integrally mold the condenser 34 to produce a poly Light-type photoelectric conversion device 2.

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Abstract

The present invention aims to provide a concentrator photovoltaic conversion device having the advantages of no need for redesigning a band gap, using existing solar cells obtained from non-solar cell manufacturers, easy manufacturing, easy thermal design, and capacity of suppressing reduction of conversion efficiency even in the case of improved concentrating efficiency. In order to solve the problems, the present invention provides the concentrator photovoltaic conversion device, comprising a concentrating mirror and a photovoltaic conversion element arranged opposite to the concentrating mirror, wherein the photovoltaic conversion element comprises a light scattering-used solar cell having a through hole, and a concentrating-used solar cell arranged in the through hole of the light scattering-used solar cell, in addition, the concentrating mirror is formed by transparent thermosetting resin, and the photovoltaic conversion element is carried on an external connection substrate.

Description

Technical field [0001] The invention relates to a concentrating type photoelectric conversion device and a manufacturing method thereof. Background technique [0002] In the past, as a photoelectric conversion device, a solar power generation device that converts solar energy into electrical energy has been put into practical use. In order to achieve low cost and further obtain more power generation, a concentrating photoelectric conversion device has been put into practical use. The condenser lens irradiates the collected sunlight to the solar cell element smaller than the light-receiving area of ​​the condenser lens to obtain electric energy (for example, refer to Patent Document 1). [0003] However, the prior concentrating photoelectric conversion device has the following problem: On a sunny day, compared with flat panel solar modules (modules) using ordinary silicon solar cells, more power can be obtained, but it is almost impossible to obtain power on a cloudy day. the amoun...

Claims

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Application Information

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IPC IPC(8): H02S40/22
CPCH02S40/00Y02E10/52Y02E10/542Y02E10/544Y02E10/546Y02E10/549Y02P70/50
Inventor 后藤涉塩原利夫
Owner SHIN ETSU CHEM IND CO LTD
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