Scratch and abrasion resistant solar backboard

A solar backplane, scratch-resistant technology, applied in the field of solar modules, can solve the problems of affecting the service life of the backplane, reducing light conversion efficiency, poor tensile strength, etc., achieving simple structure, avoiding easy scratches, and improving The effect of service life

Inactive Publication Date: 2016-09-28
WUXI SUNOCEAN
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  • Abstract
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  • Application Information

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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, the traditional solar backsheet has poor tensile strength and is easy to be scratched and scratched during long-distance transportation. It greatly affects the service life of the backplane and reduces the light conversion efficiency

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  • Scratch and abrasion resistant solar backboard

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Embodiment Construction

[0014] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0015] like figure 1 As shown, a scratch-resistant solar backsheet includes a PET substrate 3, one side of the PET substrate 3 is connected to the weather-resistant layer 1 through the adhesive layer 2, and a scratch-resistant and wear-resistant coating 5 is arranged on the upper surface of the weather-resistant layer. The other end of the PET substrate 3 is connected to the weather-resistant adhesive layer 4 through the adhesive layer 2; the scratch-resistant and wear-resistant coating 5 is a fluororesin coating modified by a highly dispersed nanoporous gas phase SIO2 material, and the fluororesin coating is poly Vinylidene fluoride, polychlorotrifluoroethylene, polytetrafluoroethylene or copolymers of tetrafluoroethylene and ethylene. The above-mentioned anti-scratch and wear-resistant coating 5 has a thickness of 1-30 μm. The thicknes...

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Abstract

The invention relates to a scratch-resistant and wear-resistant solar backsheet, which includes a PET base material, one side of the PET base material is connected to a weather-resistant layer through an adhesive layer, and a scratch-resistant and wear-resistant coating is arranged on the upper surface of the weather-resistant layer. The other end of the PET substrate is connected to a weather-resistant adhesive layer through an adhesive layer; the scratch-resistant and wear-resistant coating is a fluororesin coating modified by a highly dispersed nanoporous gas-phase SIO2 material. The invention is simple in structure and easy to use. By setting a scratch-resistant and wear-resistant coating on the surface of the weather-resistant layer, it not only improves the water vapor barrier property, but also makes the water vapor transmission rate reach 0.001g / m 2 d, it can also achieve effective scratch resistance and wear resistance, avoiding the problem that the solar backplane is easy to be scratched and scratched during transportation, and greatly improving the service life of the solar backplane.

Description

technical field [0001] The invention relates to the field of solar modules, in particular to a scratch-resistant 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, the traditional solar backsheet has poor tensile strength and is easy to be scratched and scratched during long-distance transportation. It greatly affects the service life of the backplane and reduces the light conversion e...

Claims

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Application Information

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IPC IPC(8): H01L31/049
CPCY02E10/50H01L31/049
Inventor 黄新东丁峰
Owner WUXI SUNOCEAN
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