Fluoride thin film backplane with light reflection function

A technology of light reflection and light reflection layer, used in photovoltaic power generation, electrical components, circuits, etc., can solve the problems of low production efficiency, easy damage to wafers, no light reflection, etc., to achieve good bonding efficiency, good reflection performance, and improved The effect of flame retardancy

Inactive Publication Date: 2012-08-15
杭州联合新材科技股份有限公司
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  • Summary
  • Abstract
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Problems solved by technology

[0002] Most of the currently used backplanes are made of EVA and PE materials at 145°C, poured and packaged by hot pressing for 15 minutes, so the chips are easily damaged, consume...

Method used

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  • Fluoride thin film backplane with light reflection function
  • Fluoride thin film backplane with light reflection function

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing, the present invention will be further described:

[0022] Such as figure 1 Shown is a fluorine film backboard with light reflection function. The backboard is sequentially provided with a PU casting layer 1, a light reflection layer 2, a PET layer 3, an adhesive layer 4 and a high fluorine alloy from top to bottom. crystal thin film layer 5, the PET layer 3 is connected with the PU casting layer 1 through the light reflection layer 2, the PET layer 3 is connected with the high fluorine alloy crystal thin film layer 5 through the thermal fusion of the adhesive layer 4, and the high The fluorine content in the fluorine crystal thin film layer 5 is 76%, and the thickness of the PU casting layer 1 is 2-3 μm. The PU casting layer 1 of the present invention has a fast bonding time with the battery sheet, front sheet, etc., which is 2-3min. Yes, the shrinkage rate is small.

[0023] The PET layer 3 of the present invention is a...

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Abstract

The invention discloses a fluoride thin film backplane with light reflection function, belonging to the technical field of a backplane. The backplane is provided with a PU (Polyurethane) pouring layer, a light reflection layer, a PET (polyethylene terephthalate) layer, an adhesive layer and a high-fluoride combined crystal thin film layer from top to bottom in sequence; the PET layer is connected with the PU pouring layer through the light reflection layer; the PET layer is connected with the high-fluoride combined crystal thin film layer by thermal fusion of the adhesive layer; and the fluoride content in the high-fluoride combined crystal thin film layer is 76%. According to the fluoride thin film backplane with the light reflection function, the backplane is composed of the PU pouring layer, the light reflection layer, the PET layer, the adhesive layer and the high-fluoride combined crystal thin film layer; wherein the backplane is strong in adhesive firmness, good in light reflection performance and short in time for preparation technology; in addition, the fire resistance, the weather resistance, the reliability and waterproofness of the backplane are improved; the energy consumption is reduced; the electricity generating efficiency of photovoltaic modules is improved by more than 1%; the fire resistance is improved from HB level to be V2 level; and the peel strength is improved from 40 N/cm to be 60-110 N/cm.

Description

technical field [0001] The invention belongs to the technical field of back plates, and in particular relates to a fluorine film back plate with light reflection function, good flame retardancy and high power generation efficiency of photovoltaic modules. Background technique [0002] Most of the currently used backplanes are made of EVA and PE materials at 145°C, poured and packaged by hot pressing for 15 minutes, so the chips are easily damaged, consume a lot of energy, and the production efficiency is low, easy to fluctuate, power generation efficiency is low, and there is no light. Reflective function, and the service life is 8 years. Contents of the invention [0003] In view of the above-mentioned problems in the prior art, the purpose of the present invention is to provide a fluorine thin film backsheet with light reflection function, which has good flame retardancy and high power generation efficiency of photovoltaic modules. [0004] The fluorine thin film backbo...

Claims

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Application Information

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IPC IPC(8): B32B27/08B32B27/28B32B7/12H01L31/048H01L31/049H01L31/054
CPCY02E10/50
Inventor 王程心费植煌王贤中李旻风
Owner 杭州联合新材科技股份有限公司
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