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Concentrating photoelectric conversion device and method of manufacturing the same

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

Active Publication Date: 2018-07-13
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 solar cell modules (modules) using ordinary silicon solar cells, more power can be obtained, but almost no power can be obtained on cloudy days. quantity

Method used

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  • Concentrating photoelectric conversion device and method of manufacturing the same
  • Concentrating photoelectric conversion device and method of manufacturing the same
  • Concentrating photoelectric conversion device and method of manufacturing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0201] First, a silicon solar cell 10' in which through-holes 16 are formed by etching is prepared.

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

[0203] Next, UV ozone treatment is performed.

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

Embodiment 2

[0206] First, a silicon solar cell 10' in which through-holes 16 are formed by etching is prepared.

[0207] Next, using solder paste, the silicon solar cell 10' and the group III-V multi-junction solar cell 20' mounted on the external connection substrate 31, that is, the PCB substrate, the group III-V multi-junction solar cell 20' 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 laminator (manufactured by Nichigo-Morton Co., Ltd.), a resin film prepared by mixing silicone resin (AF-500 (model): Shin-Etsu Chemical Industry Co., Ltd.) 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 the condenser lens 34 is integrally molded by compression molding silicone resin (LPS-3541 (model number): manufactured by Shin-Etsu Chemical Co., Ltd....

Embodiment 3

[0212] First, a silicon solar cell 10' in which through-holes 16 are formed by etching is prepared.

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

[0214] Next, UV ozone treatment is performed.

[0215] Next, a material obtained by mixing polysilazane and a phosphor is coated on the surface of the silicon solar cell 10' by spin coating, and 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 the condenser lens 34 is integrally molded by compression molding silicone resin (LPS-3541 (model number): manufactured by Shin-Etsu Chemical Co., Ltd.). 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 photoelectric conversion device and a manufacturing method thereof. Background technique [0002] Conventionally, as a photoelectric conversion device, a solar power generation device that converts solar energy into electrical energy has been put into practical use. The condenser mirror irradiates collected sunlight to a solar cell element having a smaller light-receiving area than the condenser mirror to obtain electrical energy (for example, refer to Patent Document 1). [0003] However, conventional concentrating photoelectric conversion devices have the following problems: On sunny days, compared with flat-panel solar cell modules (modules) using ordinary silicon solar cells, more power can be obtained, but almost no power can be obtained on cloudy days. quantity. [0004] In order to solve the above-mentioned problems, a concentrating photoelectric conversion device has been proposed, which has a structur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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