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Solar cell packaging film

A technology for solar cells and encapsulation films, applied in circuits, adhesives, photovoltaic power generation, etc., can solve the problems of reducing the performance of POE films, affecting the aging resistance of POE films, and no literature reports on solar cell encapsulation films have been found. To achieve the effect of good absorption and utilization, good bonding performance, and improved light transmittance

Inactive Publication Date: 2013-09-04
JIANGSU BLUEDREAM MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method improves the bonding performance and also reduces other properties of the POE film, such as electrical insulation; and because some polar groups contain carbon-carbon double bonds, it will also affect the resistance of the POE film. Aging
[0009] So far, no literature reports have been found on the solar cell encapsulation film with ethylene-octene copolymer as the main material.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0020] The solar cell encapsulating adhesive film of the present embodiment is made of the following components by weight:

[0021] 100 parts of ethylene-octene copolymer;

[0022] 0.7 parts of tert-butyl peroxy 2-ethylhexyl carbonate as crosslinking curing agent;

[0023] 0.5 parts of trimethylolpropane trimethylmethacrylate as crosslinking curing accelerator;

[0024] 0.5 parts of 3-methacryloxypropyltrimethoxysilane as tackifier;

[0025] 0.3 parts of 2-hydroxy-4-n-octyloxybenzophenone as an ultraviolet absorber.

[0026] After mixing the above-mentioned components uniformly, a solar cell encapsulation adhesive film is prepared according to a conventional method.

Embodiment 2～ Embodiment 5）

[0028] The solar cell encapsulation film of each embodiment is basically the same as that of Embodiment 1, and the differences are shown in Table 1.

[0029] Table 1

[0030]

[0031] .

Embodiment 6）

[0033] The solar cell encapsulating adhesive film of the present embodiment is made of the following components by weight:

[0034] 100 parts of ethylene-octene copolymer;

[0035] 0.7 parts of tert-butyl peroxy 2-ethylhexyl carbonate as crosslinking curing agent;

[0036] 0.5 parts of trimethylolpropane trimethylmethacrylate as crosslinking curing accelerator;

[0037] 0.5 parts of 3-methacryloxypropyltrimethoxysilane as tackifier;

[0038] 0.3 parts of 2-hydroxyl-4-n-octyloxybenzophenone as ultraviolet absorber;

[0039] 0.2 parts of sodium dodecylsulfonate as antistatic agent;

[0040] 0.2 parts of inorganic ultraviolet fluorescent powder.

[0041] After mixing the above-mentioned components uniformly, a solar cell encapsulation adhesive film is prepared according to a conventional method.

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Abstract

The invention discloses a solar cell packaging film. The film is prepared through using 100 parts by weight of an ethylene-octene copolymer, 0.2-1.2 parts by weight of a cross-linking curing agent, 0.2-0.8 parts by weight of a cross-linking curing accelerator, 0.2-0.8 parts by weight of a tackifier and 0.1-0.5 parts by weight of an ultraviolet ray absorber. The cross-linking curing agent is tert-butylperoxy 2-ethylhexyl carbonate, the cross-linking curing accelerator is trimethylolpropane trimethacrylate, the tackifier is 3-methacryloxypropyltrimethoxysilane, and the ultraviolet ray absorber is 2-hydroxy-4-n-octyloxybenzophenone. The solar cell packaging film individually treats the ethylene-octene copolymer as a main material, and selects the most suitable cross-linking curing agent, cross-linking curing accelerator, tackifier and ultraviolet ray absorber, so the solar cell packaging film having the advantages of good bonding property, good ageing resistance and good electric insulation property can be prepared.

Description

technical field [0001] The invention relates to a solar cell encapsulating adhesive film, in particular to a solar cell encapsulating adhesive film whose main material is an ethylene-octene copolymer. Background technique [0002] At present, the main material of the solar cell encapsulation film is mainly ethylene-vinyl acetate copolymer (EVA), but the aging resistance of ethylene-vinyl acetate copolymer is poor, and unsaturated carbon-carbon double bonds will be generated after degradation, which is easy to use The yellowing of the adhesive film greatly affects the conversion efficiency of solar cells; in addition, due to the low volume resistivity of the ethylene-vinyl acetate copolymer, the electrical insulation of the adhesive film is not good. [0003] Ethylene-octene copolymer (POE) has good weather resistance and UV aging resistance because there is no chromogenic group on the main chain and it is not easy to absorb ultraviolet light; moreover, ethylene-octene copoly...

Claims

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Application Information

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IPC IPC(8): C09J7/00C09J123/08C09J11/06H01L31/048
CPCY02E10/50
Inventor 肖虎
Owner JIANGSU BLUEDREAM MATERIAL TECH
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