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Self-cleaning solar cell panel glass coating material as well as preparation method and application

A technology for solar panels and glass coating, applied in coatings, antifouling/underwater coatings, and biocide-containing paints, etc. Practical requirements and other issues, to achieve the effect of convenient use, fine and uniform particles

Inactive Publication Date: 2019-07-23
LIANYUNGANG TECHN COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, the cleaning work of small photovoltaic power plants was done manually, which wasted water resources and was labor-intensive and time-consuming
[0004] With the establishment of large-scale photovoltaic power stations in my country in recent years, manual cleaning of battery components does not meet the actual requirements for maintenance and cleaning of photovoltaic power stations.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1, a kind of self-cleaning solar panel glass coating material, this material is made of TiO 2 Hydrosol, SnO 2 Hydrosol, CeO 2 It is made by mixing water sol and appropriate amount of ethanol solution; among them, the atomic ratio of titanium, tin and cerium is 1:1:0.1.

[0026] Its preparation method steps are as follows:

[0027] Ti(SO 4 ) 2 Dissolve it in distilled water to make a solution with a concentration of 5 mol / mL, and stir for 5 minutes to form a solution; then add 0.5 mol / mL urea solution to the solution to make Ti:CO(NH 2 ) 2 =1:2, heated to reflux in a water bath at 65°C, cooled to room temperature, and filtered to obtain TiO 2 Hydrosol.

[0028] SnO 2 and CeO 2 The preparation steps of hydrosol are similar to those of TiO 2 , the specific parameters are as follows: Sn(SO 4 ) 2 Make a concentration of 5mol / mL, then add 0.5 mol / mL urea solution to the solution to make Sn:CO(NH 2 ) 2 =1:2, heated to reflux in a water bath at 65°C; Ce...

Embodiment 2

[0031] Embodiment 2, a kind of self-cleaning solar panel glass coating material, this material is made of TiO 2 Hydrosol, SnO 2 Hydrosol, CeO 2 It is prepared by mixing water sol and appropriate amount of ethanol solution; among them, the atomic ratio of titanium, tin and cerium is 1: 1: 0.05.

[0032] Its preparation method steps are as follows:

[0033] Ti(SO 4 ) 2 Dissolve it in distilled water to make a solution with a concentration of 10 mol / mL, and stir for 5 minutes to form a solution; then add 0.6 mol / mL urea solution to the solution to make Ti:CO(NH 2 ) 2 =1:1.8, heated to reflux in a water bath at 70°C, cooled to room temperature, and filtered to obtain TiO 2 Hydrosol.

[0034] SnO 2 and CeO 2 The preparation steps of hydrosol are similar to those of TiO 2 , the specific parameters are as follows: Sn(SO 4 ) 2 Make a concentration of 5mol / mL, then add 0.6 mol / mL urea solution to the solution to make Sn:CO(NH 2 ) 2 =1:1.8, heated to reflux in a water bath...

Embodiment 3

[0037] Embodiment 3, a kind of self-cleaning solar panel glass coating material, this material is made of TiO 2 Hydrosol, SnO 2 Hydrosol, CeO 2 It is prepared by mixing water sol and appropriate amount of ethanol solution; among them, the atomic ratio of titanium, tin and cerium is 0.2: 2: 0.1.

[0038] Its preparation method steps are as follows:

[0039] Ti(SO 4 ) 2 Dissolve it in distilled water to make a solution with a concentration of 10 mol / mL, and stir for 5 minutes to form a solution; then add 0.5 mol / mL urea solution to the solution to make Ti:CO(NH 2 ) 2 =1:3, heated to reflux in a 70°C water bath, cooled to room temperature, and filtered to obtain TiO 2 Hydrosol.

[0040] SnO 2 and CeO 2 The preparation steps of hydrosol are similar to those of TiO 2 , the specific parameters are as follows: Sn(SO 4 ) 2 Make the concentration 10mol / mL, then add 0.5 mol / mL urea solution to the solution, make Sn:CO(NH 2 ) 2 =1:3, heated to reflux in a water bath at 65°C...

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Abstract

The invention provides a self-cleaning solar cell panel glass coating material. The material is prepared by mixing TiO2 hydrosol, SnO2 hydrosol, CeO2 hydrosol and a proper amount of an ethanol solution, wherein the atom ratio of titanium to tin to cerium is (0.2 to 1) to (1 to 2) to (0.05 to 0.1). The invention further provides a preparation method and application of the self-cleaning solar cell panel glass coating material. The material provided by the invention is fine and uniform in grains and the average grain diameter is about 15 nm. TiO2 and SnO2 are semiconductor materials and a lot offree electrons and free radicals can be produced to realize a self-cleaning effect; CeO2 is added, so that the effect of enhancing the abrasion resistance of a coating and the effect of a catalyst auxiliary agent are realized. The material provided by the invention has the advantages of super-hydrophilic property, self-cleaning function, durability, friction resistance and rapid drying property; pollutants or dust can automatically fall off or can be degraded; the self-cleaning solar cell panel glass coating material can be widely applied to surface coatings of materials including glass, ceramic and the like.

Description

technical field [0001] The invention relates to a nanometer material and its preparation, in particular to a self-cleaning solar panel glass coating material, and also to a preparation method of the material; the invention also relates to an application of the material. Background technique [0002] Self-cleaning surface refers to a surface on which pollutants or dust on the surface can automatically fall off or be degraded under the action of gravity, rain, wind and other external forces. It is based on the self-cleaning principle of superhydrophilic or superhydrophobic. [0003] Because the daylighting glass on the solar panel has been exposed to sunlight, rain and other pollution from the outside environment for a long time, just like the glass of a building, a layer of dirt will form on the glass surface after a period of time. Dirt builds up over time, causing the layer of dirt to affect light transmission. In order to improve the conversion efficiency of solar cells, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/16
CPCC09D1/00C09D5/1656
Inventor 刘顺强张浩孙绪军
Owner LIANYUNGANG TECHN COLLEGE
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