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Production process of multilayer solar energy backboard

A solar backplane and production process technology, applied in the field of solar modules, can solve problems such as poor reflective performance, reduced light conversion efficiency of solar modules, and increased temperature of solar modules, and achieves reduced aging speed, wide application range, good reflectivity and The effect of heat dissipation

Inactive Publication Date: 2016-10-26
WUXI SUNOCEAN
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Problems solved by technology

The solar backsheet is one of the accessories of the whole solar cell. It mainly plays the role of mechanical support and protection of the cell from the penetration of environmental factors. At present, if the existing solar backsheet has poor reflection performance, it is easy to absorb sunlight, which will lead to the temperature of the solar module Increased, greatly reducing the light conversion efficiency of solar modules

Method used

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Embodiment Construction

[0019] Specific embodiments of the present invention will be described below.

[0020] A production process of a multi-layer solar back panel comprises the following steps:

[0021] The first step: the PET base material is supplied by the unwinder;

[0022] The second step: uniformly coat the proportioned adhesive on one side of the PET substrate through a two-roller roller coating machine;

[0023] The third step: transport the PET substrate coated with the adhesive in the second step to a drying room for drying and curing, the drying temperature is 110°C, and the drying time is 7 minutes;

[0024] The fourth step: composite a layer of silver high reflection layer on the surface of the PET base material with adhesive; the silver high reflection layer includes one of polyethylene, polypropylene, polyolefin or polyurethane resin containing high reflection additives , the high reflection additive includes one of zinc oxide, aluminum oxide, zirconium oxide, titanium dioxide or ...

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Abstract

The invention relates to a production process of a multilayer solar energy backboard. The solar energy backboard manufactured by the production process of the invention is formed by a PET substrate, a silver color high reflecting layer and an aluminum foil layer. The solar energy backboard manufactured by the production process has the advantages of simple structure and convenience in use, the reflection and heat dissipation performance is good, the aging speed of a photovoltaic component is reduced, the generation efficiency and the service life of the solar photovoltaic component are improved further, the light conversion efficiency is good, and the range of application is wide.

Description

technical field [0001] The invention relates to the field of solar modules, in particular to a production process of a multilayer solar backboard. Background technique [0002] Solar energy, as a green and inexhaustible energy source, is undoubtedly the best choice to replace traditional thermal power generation. Since solar cells need to be exposed to the outdoors for a long time, the cells in photovoltaic modules need to be protected to prevent atmospheric pollution. The impact and overlooking of environmental factors such as water vapor, oxygen, and ultraviolet rays. The solar backsheet is one of the accessories of the whole solar cell. It mainly plays the role of mechanical support and protection of the cell from the penetration of environmental factors. At present, if the existing solar backsheet has poor reflection performance, it is easy to absorb sunlight, which will lead to the temperature of the solar module As a result, the light conversion efficiency of solar mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/049B32B37/12B32B27/08B32B27/36B32B27/32B32B27/40
CPCY02E10/50H01L31/049B32B27/08B32B27/32B32B27/36B32B27/40B32B37/12
Inventor 黄新东刘天人
Owner WUXI SUNOCEAN
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