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Glue film solar cell packaging method

A technology of solar cells and packaging methods, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as no breakthroughs, and achieve the effect of improving power generation efficiency and energy transfer efficiency

Inactive Publication Date: 2014-09-03
王也
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]The research work on the solar cell special adhesive film with light efficiency is still in its infancy in China, and no breakthrough has been made yet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] A method for encapsulating adhesive film solar cells disclosed by the invention, in terms of mass fraction, 0.5-2 parts of cross-linking curing agent, 0.1-1 part of antioxidant and 0.1-1 part of light stabilizer are poured into a material box and mixed evenly, and 100 parts Parts of ethylene-vinyl acetate copolymer, wherein the light stabilizer can use bis(1,22,66-pentamethyl-4-piperidinyl) sebacate, and the antioxidant can use tris(2,4 diphosphite) tert-butylphenyl) fat, or 2,5 dimethylethane, etc., the antioxidant uses 3,3,5 trimethylcycloethane.

[0010] The production process also includes the following steps:

[0011] 1. Through the heating and conveying of the feeding screw of the calender, the mixture is heated and melted, and sent to the die head, wherein the heating temperature of the feeding screw is 80-90°C;

[0012] 2. Send the mixture into the feeding box of the calender through the vacuum pump;

[0013] 3. Combining surface-modified nano-rare e...

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Abstract

The invention discloses a glue film solar cell packaging method; a sun concentrator is employed to convert high energy sunlight responding to no silicon cell into spectrum responding to the silicon cell, thereby promoting photovoltaic industry development in our country; an excellent base hot melt glue film is developed through molecule system design, screening and preparation of nanometer rare earth transition material, and research of surface modification and optical performance; the method can improve processing technology performance of the glue film solar cell packaging material, improves service life of the solar cell, reduces usage cost, and satisfy solar cell packaging needs in our country.

Description

technical field [0001] The invention relates to new energy and high-efficiency energy-saving, in particular to an adhesive film solar battery packaging method. Background technique [0002] Using solar cells to convert clean and renewable solar energy into electrical energy is the most effective way to solve the two major problems of energy shortage and environmental pollution. Today, when energy is scarce, environmental pollution is serious, and the climate is warming, countries are vigorously developing clean energy. Renewable Energy. For this reason, solar energy utilization has become one of the fastest growing industries in the past 10 years. In addition to chips, solar cells are inseparable from packaging materials. According to the actual application requirements, the main function of the packaging material is: 1 to increase the transmittance of sunlight, so that the initial transmittance can reach 90%, and the loss of transmittance in 20 years is less than 5%; 2 to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/18
CPCH01L31/0481Y02E10/50Y02P70/50
Inventor 王也
Owner 王也
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