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Epoxy resin-based coatings for flexible or thin-film solar cells and methods for their preparation

A technology of solar cells and epoxy resin, applied in the direction of epoxy resin coatings, coatings, etc., can solve the problem of low efficiency of solar cells

Inactive Publication Date: 2017-02-01
ZHONGYUAN ENGINEERING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the optical resonance also causes the nanoparticles to absorb light, which means the solar cell will be less efficient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) 8Kg glycidyl ether epoxy resin solution (solid content of epoxy resin is 10%) (Zhejiang Kaihua Chengxin Resin Co., Ltd.), viscosity modifier (N-methyl-2-pyrrolidone) 0.1Kg, 91.8995Kg Mix N,N-dimethylformamide, process it in a high-speed emulsifier for 10-60 minutes at a speed of 10,000-100,000 rpm, and process it into a uniformly mixed emulsion;

[0031] (2) Add 0.005Kg of acetone nano-aluminum powder in batches and continuously within 10-20 minutes at the same processing speed after the processing of the above mixed emulsion;

[0032](3) The above emulsion is fully emulsified for 10-30 minutes after the nano-aluminum powder is completely added; (5) The above emulsion is filtered with a filter screen of 300 mesh or more to obtain an epoxy resin coating for flexible or thin film solar cells.

[0033] The coatings in this example were tested according to national standards QB / T2730.1-2005, QB / T2603-2007, GB / T13217.2-2009, GB / T 18724-2008 / ISO 2836:2004. The quality in...

Embodiment 2

[0035] (1) 9Kg glycidyl ester epoxy resin (solid content of epoxy resin is 5%) (Foshan Longxiang Resin Raw Material Co., Ltd.), viscosity modifier (N-methyl-2-pyrrolidone) 0.3Kg, with 10Kg ethanol, 20Kg acetone, and 60.6999Kg glycol ether acetate are prepared into a solution, processed in a high-speed emulsifier for 10-60 minutes at a speed of 10,000-100,000 rpm, and processed into a uniformly mixed emulsion;

[0036] (2) Add 0.0001Kg of acetone nano-aluminum powder in batches and continuously within 10-20 minutes under the same processing speed environment after the above mixed emulsion is processed;

[0037] (3) The above emulsion is fully emulsified for 10-30 minutes after the nano-aluminum powder is completely added; the above emulsion is filtered with a filter screen of more than 300 mesh to obtain an epoxy resin coating for flexible or thin-film solar cells.

Embodiment 3

[0039] (1) 10Kg glycidylamine epoxy resin (solid content of epoxy resin is 3%) (Foshan Longxiang Resin Raw Material Co., Ltd.), viscosity modifier (N-methyl-2-pyrrolidone) 0.8Kg, 25Kg Mix methyl ethyl ketone, 24.15Kg ethylene glycol ethyl ether, and 20Kg butyl acetate, process it in a high-speed emulsifier for 10-60 minutes at a speed of 10000-100000 rpm, and process it into a uniformly mixed emulsion;

[0040] (2) Add 0.05Kg of acetone nano-aluminum powder in batches and continuously within 10-20 minutes under the same processing speed after the processing of the above mixed emulsion is completed;

[0041] (3) The above emulsion is fully emulsified for 10-30 minutes after the nano-aluminum powder is completely added; the above emulsion is filtered with a filter screen of more than 300 mesh to obtain an epoxy resin coating for flexible or thin-film solar cells.

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Abstract

The invention relates to an epoxy resin-base paint for flexible or thin-film solar cells and a preparation method thereof. The paint is prepared from the following components in percentage by mass: 8-12% of epoxy resin solution (the solid content of epoxy resin is 1-10%), 0.0001-0.1% of nano aluminum powder, 0.1-1% of viscosity regulator and the balance of solvent. The product can be applied to the upper surface of the flexible or thin-film solar cell by a spray coating, silk screen printing, printing or any other technique to directly enhance the generating efficiency of the flexible or thin-film solar cell.

Description

technical field [0001] The invention relates to a coating for flexible or thin-film solar cells and a preparation method thereof. By using the coating to form a light-transmitting coating on the surface of the light-incident surface of the flexible or thin-film solar cells, the efficiency of the flexible or thin-film solar cells can be directly improved. Background technique [0002] All polymer compounds containing epoxy groups in their molecular structure are collectively referred to as epoxy resins. The cured epoxy resin has good physical and chemical properties. It has excellent bonding strength to the surface of metal and non-metal materials, good dielectric properties, small shrinkage rate, good dimensional stability and high hardness. It has good flexibility and is stable to alkali and most solvents, so it is widely used in various sectors of national defense and national economy for casting, impregnating, laminating, adhesive, coating and other purposes. As far as e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D7/12
Inventor 张迎晨
Owner ZHONGYUAN ENGINEERING COLLEGE
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