White high-reflectivity EVA compound coating

A high-reflection, composite adhesive technology, used in non-polymer adhesive additives, non-polymer organic compound adhesives, adhesives, etc., can solve the problem of reducing the photoelectric conversion efficiency of solar cell modules, reducing the photoelectric conversion efficiency of modules, reducing Solve the problems such as the amount of light in the cell, to achieve uniform reflectivity, improve the processing performance of EVA, and reduce the induration problem.

Inactive Publication Date: 2016-06-22
SAITERUI SOLAR ENERGY SUZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The existing high-reflection EVA packaging film products on the market have the following problems during use: 1. It affects the appearance of the component. The high-reflection EVA packaging film is usually added with white fillers that can improve the reflectivity of the film. The white filler is dispersed in the EVA film. Due to heat during the lamination process, the ordinary high-reflection EVA film layer and the transparent EVA film layer enter a molten state. Under the dual effects of pressure and concentration difference, the two layers of EVA film will Interpenetration occurs, that is, the white filler migrates from the ordinary high-reflection EVA film layer to the

Method used

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  • White high-reflectivity EVA compound coating
  • White high-reflectivity EVA compound coating
  • White high-reflectivity EVA compound coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] combined with figure 1 Shown, a kind of white highly reflective EVA composite adhesive film, from the side that receives sunlight, it comprises anti-ultraviolet film layer 1, transparent EVA adhesive film layer 2 and reflective EVA adhesive film layer 3 successively, wherein, described transparent EVA The adhesive film layer 2 and the side of the reflective EVA adhesive film layer 3 are fixed to form a bag-shaped structure with one side open, and the cells for photovoltaic modules are placed in the bag-shaped structure, and the ultraviolet-resistant film layer 1 is arranged on the bag-shaped structure. The front side of the above-mentioned photovoltaic module.

[0047] The adhesive film used in the UV-resistant film layer 1 is an EVA adhesive film for solar cell encapsulation.

[0048] The bag-like structure is also provided with a white non-woven fabric layer, the non-woven fabric layer has a sheet structure, and a number of holes with regular structures are arranged ...

Embodiment 2

[0060] combined with figure 1 Shown, a kind of white highly reflective EVA composite adhesive film, from the side that receives sunlight, it comprises anti-ultraviolet film layer 1, transparent EVA adhesive film layer 2 and reflective EVA adhesive film layer 3 successively, wherein, described transparent EVA The adhesive film layer 2 and the side of the reflective EVA adhesive film layer 3 are fixed to form a bag-shaped structure with one side open, and the cells for photovoltaic modules are placed in the bag-shaped structure, and the ultraviolet-resistant film layer 1 is arranged on the bag-shaped structure. The front side of the above-mentioned photovoltaic module.

[0061] The adhesive film used in the UV-resistant film layer 1 is an EVA adhesive film for solar cell encapsulation.

[0062] The bag-like structure is also provided with a transparent non-woven fabric layer, the non-woven fabric layer has a sheet structure, and several holes with regular structures are arrange...

Embodiment 3

[0073] combined with figure 1 Shown, a kind of white highly reflective EVA composite adhesive film, from the side that receives sunlight, it comprises anti-ultraviolet film layer 1, transparent EVA adhesive film layer 2 and reflective EVA adhesive film layer 3 successively, wherein, described transparent EVA The adhesive film layer 2 and the side of the reflective EVA adhesive film layer 3 are fixed to form a bag-shaped structure with one side open, and the cells for photovoltaic modules are placed in the bag-shaped structure, and the ultraviolet-resistant film layer 1 is arranged on the bag-shaped structure. The front side of the above-mentioned photovoltaic module.

[0074] The adhesive film used in the UV-resistant film layer 1 is an EVA adhesive film for solar cell encapsulation.

[0075] The bag-like structure is also provided with a transparent non-woven fabric layer, the non-woven fabric layer has a sheet structure, and several holes with regular structures are arrange...

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Abstract

The invention provides a white high-reflectivity EVA compound coating. High reflectivity of the coating is realized by improving structure of the EVA compound coating. In addition, for a photovoltaic component adopting the compound coating, efficiency of battery pieces is unaffected.

Description

technical field [0001] The invention relates to an EVA composite adhesive film, in particular to a high-reflection EVA composite adhesive film for photovoltaic module packaging. Background technique [0002] Solar energy is a green, non-polluting and inexhaustible energy source. Compared with other energy sources, solar energy is ubiquitous and can be used locally in most areas of the earth. Therefore, in the past ten years, the solar energy industry It has become the focus of the development of countries all over the world. The utilization of solar energy is mainly to convert it into electrical energy through solar panels, and then do other purposes, such as solar air conditioners, street lamps, electric vehicles and so on. Since the working environment of solar cell components is mainly outdoors, and solar cells cannot be directly exposed to natural conditions such as sunlight and rain, it is necessary to seal them. [0003] U.S. Patent No. 2001 / 0045229A1 pointed out tha...

Claims

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Application Information

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IPC IPC(8): C09J7/00C09J4/02C09J4/06C09J11/04H01L31/048H01L31/052
CPCC09J4/06C09J7/00C09J11/04C09J2203/322H01L31/0481H01L31/0547C08F255/026Y02E10/52
Inventor 杨同禄
Owner SAITERUI SOLAR ENERGY SUZHOU CO LTD
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