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Laminated structure and solar power generation system

A structure and stacking technology, applied in the field of solar power generation systems, can solve the problems of lack of transparency, blocking vision, and low durability of solar cell modules

Inactive Publication Date: 2020-05-12
SEKISUI CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, solar modules generally lack transparency and often block the view
In addition, although organic solar cells with high transparency are also put into practical use, they have the problem of low durability

Method used

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  • Laminated structure and solar power generation system
  • Laminated structure and solar power generation system
  • Laminated structure and solar power generation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0178] As the first to third transparent sheets, prepare three sheets of transparent glass (thickness 2.5mm, visible light transmittance: 90%), and form a metal film (thickness 10nm, luminous peak reflective layer).

[0179] In addition, the wavelength conversion material (BaSnO 3 ) 0.2 parts by mass, 40 parts by mass of a plasticizer, and 0.2 parts by mass of an antioxidant were mixed, and the mixture was extruded through a twin-screw counter-rotating extruder to obtain a sheet-shaped member with a thickness of 0.76 mm. In addition, the maximum excitation wavelength and the maximum emission wavelength of the sheet-shaped member are as shown in Table 1.

[0180] Then, on the surface of the transparent glass with the metal film formed on the opposite side to the surface on which the metal film was formed, a sheet-shaped member and another transparent glass were sequentially stacked, preheated for 90 seconds at an oven temperature of 240° C., and then heated using a heating Th...

Embodiment 2

[0182] With respect to 100 parts by mass of ethylene-vinyl acetate copolymer resin (EVA), 0.2 parts by mass of a wavelength conversion material and 0.2 parts by mass of an antioxidant were mixed, and the mixture was extruded through a twin-screw counter-rotating extruder to obtain a thickness Except for the sheet-shaped member of 0.76 mm, it carried out similarly to Example 1.

Embodiment 3

[0184] 100 parts by mass of a thermoplastic elastomer, 40 parts by mass of paraffin oil, 5 parts by mass of an adhesive strength modifier, 0.2 parts by mass of a wavelength conversion material, and an ultraviolet shielding agent in an amount of 0.2 mass % of the ultraviolet shielding agent in the obtained interlayer film . The antioxidant was kneaded in an amount of 0.2% by mass of the antioxidant in the obtained interlayer film, and extruded using an extruder. In this way, a single-layer sheet-like member (thermoplastic elastomer sheet, thickness 800 μm) was produced, and it was carried out in the same manner as in Example 1 except that.

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Abstract

This laminated structure is provided with a sheet-shaped member and first and second transparent sheets provided on either side of the sheet-shaped member, wherein the sheet-shaped member absorbs excitation light, converts the wavelength of the light, and emits light. The maximum emission wavelength of the light is at least 500 nm, and the reflectance of the laminated structure at the maximum emission wavelength is at least 30%.

Description

technical field [0001] The present invention relates to a laminated structure used in windows for photovoltaic power generation and the like, and a photovoltaic power generation system. Background technique [0002] In the case of a relatively high-rise building such as a building, it is difficult to secure a space where solar panels can be installed, and the generation of energy is insufficient, so installing solar cells in windows is practical. Specifically, it is known that a solar cell module is provided between an interlayer of a laminated glass and glass of a laminated glass. However, solar modules generally lack transparency and often block views. In addition, although organic solar cells with high transparency are also put into practical use, they have a problem of low durability. [0003] In order to solve such a problem, it has been considered to install a power generation battery around a window such as a window frame. For example, solar radiation energy conver...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/055B32B7/02
CPCB32B7/02H01L31/055Y02E10/52H01L31/0549B32B7/023B32B2307/416B32B17/10036B32B17/1022B32B17/10238B32B17/10449B32B2307/422B32B2457/12B32B2264/102
Inventor 吉田章吾太田祐辅伊豆康之伊井大三松堂真树张锦良中岛大辅野原敦
Owner SEKISUI CHEM CO LTD