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Polyester paint for flexible or thin film solar cell and preparation method thereof

A solar cell and thin film technology, applied in polyester coatings, epoxy resin coatings, coatings, etc., can solve the problems of low efficiency of solar cells, and achieve the effects of improving overall efficiency, small property changes, and preventing light escape

Inactive Publication Date: 2014-11-19
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

[0035] (1) Mix 8Kg polyester resin solution (polyester resin solid content 10%) (grade 191, Wenzhou Zhongqiao Polymer Material Industry Company), viscosity modifier (N-methyl-2-pyrrolidone) 0.1Kg, 20 Mix Kg N,N-dimethylformamide, 20Kg acetone, 20Kg tetrahydrofuran, and 31.895Kg 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;

[0036] (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;

[0037] (3) The above emulsion is fully emulsified for 10-30 minutes after the nano-aluminum powder is completely added;

[0038] (4) The above emulsion is filtered with a filter screen of 300 mesh or more to obtain a polyester coating for flexible or thin film solar cells.

[0039] The above-mentioned inks of this embodiment were tested according to the national standard...

Embodiment 2

[0041] (1) Mix 9Kg polyester resin solution (polyester resin solid content 5%) (grade 196, Wenzhou Zhongqiao Polymer Material Industry Company), viscosity modifier (N-methyl-2-pyrrolidone) 0.3Kg, 30Kg Mix n-butanol, 30Kg acetone, and 30.699Kg glycol ether 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;

[0042] (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;

[0043] (3) The above emulsion is fully emulsified for 10-30 minutes after the nano-aluminum powder is completely added;

[0044] (4) The above emulsion is filtered with a filter screen of 300 mesh or more to obtain a polyester coating for flexible or thin film solar cells.

[0045] The above-mentioned coatings of this embodiment were tested according to the national QB / T2730.1-2005, QB / T2...

Embodiment 3

[0047] (1) Mix 10Kg polyester resin solution (polyester resin solid content 1%) (brand 2608, Bayer, Germany), viscosity regulator (N-methyl-2-pyrrolidone) 0.8Kg, use 15Kg methyl ethyl ketone, Mix 10Kg ethylene glycol ethyl ether and 64.15Kg 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;

[0048] (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;

[0049] (3) The above emulsion is fully emulsified for 10-30 minutes after the nano-aluminum powder is completely added;

[0050] (4) The above emulsion is filtered with a filter screen of 300 mesh or more to obtain a polyester coating for flexible or thin film solar cells.

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PUM

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Abstract

The invention discloses polyester paint for a flexible or thin film solar cell and a preparation method thereof, and the polyester paint comprises the following components by weight: 8-12% of a polyester resin solution (with the solid content of polyester resin in the solution being 1-10%); 0.0001-0.1% of nano aluminum powder; 0.1-1% of a viscosity regulator; and the balance of a solvent. The polyester paint coats the surface of the flexible or thin film solar cell by spraying, silk screen printing and printing and other technologies to directly improve the power generation 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] Polyester is a general term for polymers obtained by polycondensation of polyols and polyacids, including saturated polyesters and unsaturated polyesters. The molecular structure of polyester is highly symmetrical, and it has a certain crystal orientation ability, so it has high film-forming and formability. It mainly refers to polyethylene terephthalate (PET), and customarily also includes linear thermoplastic resins such as polybutylene terephthalate (PBT) and polyarylate. It is a kind of engineering plastic with excellent performance and wide application. It can also be made into polyester ...

Claims

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Application Information

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IPC IPC(8): C09D167/06C09D163/00C09D133/02C09D133/08C09D183/00C09D7/12
Inventor 张迎晨
Owner ZHONGYUAN ENGINEERING COLLEGE
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