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Preparation method of high borosilicate glass for solar photovoltaic batteries

A high borosilicate glass and photovoltaic cell technology, which is applied in the preparation of hard borosilicate glass and high borosilicate glass for solar photovoltaic cells, can solve the problems of reducing the strength and thermal stability of glass products, and prevent Ultraviolet light transmission, reducing the amount of ultraviolet radiation, reducing the effect of attenuation

Inactive Publication Date: 2013-03-06
YANGZHOU TONGHE GLASS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This thermal stress reduces the strength and thermal stability of the glass product

Method used

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  • Preparation method of high borosilicate glass for solar photovoltaic batteries
  • Preparation method of high borosilicate glass for solar photovoltaic batteries
  • Preparation method of high borosilicate glass for solar photovoltaic batteries

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Main process equipment: batch material preparation equipment, electric melting furnace, float glass forming equipment, etc.

[0039] A method for preparing high borosilicate glass for solar photovoltaic cells, the steps of the method are as follows:

[0040] (1) Batch material preparation: In the batch material preparation equipment, the rare earth additive rare earth oxide RE 2 o 3 It is added in the form of rare earth carbonate, in which the heavy rare earth element erbium Er carbonate is added in the form of carbonate, calculated by mass percentage, and mixed uniformly in the preparation of the batch to obtain the batch. The batch material consists of the following ingredients and proportions:

[0041]

[0042] (2) Glass melting: The glass batch prepared in the previous step is melted at a high temperature in an electric melting furnace using known glass melting technology to form a glass melt, which is formed through silicate formation, glass formation, clarifi...

Embodiment 2

[0052] Main process equipment: same as embodiment one.

[0053] A method for preparing high borosilicate glass for solar photovoltaic cells, the steps of the method are as follows:

[0054] (1) Batch material preparation: In the batch material preparation equipment, the rare earth additive rare earth oxide RE 2 o 3 It is added in the form of carbonate of rare earth, among which the heavy rare earth element holmium Ho carbonate is added in the form of carbonate, calculated by mass percentage, and mixed uniformly in the preparation of the batch to obtain the batch. The batch consists of the following ingredients and proportions:

[0055]

[0056] (2) Glass melting: The glass batch prepared in the previous step is melted at a high temperature in an electric melting furnace using known glass melting technology to form a glass melt, which is formed through silicate formation, glass formation, clarification, homogenization, After cooling, a uniform, bubble-free liquid glass th...

Embodiment 3

[0059] Main process equipment: batch material preparation equipment, electric melting furnace, float glass forming equipment, etc.

[0060] A method for preparing borosilicate glass for solar photovoltaic cells, the steps of the method are basically the same as in Example 1, except that:

[0061] (1) Batch material preparation: In the batch material preparation equipment, the rare earth additive rare earth oxide RE 2 o 3 It is added in the form of carbonate of rare earth, among which the heavy rare earth element holmium Ho carbonate is added in the form of carbonate, calculated by mass percentage, and mixed uniformly in the preparation of the batch to obtain the batch. The batch consists of the following ingredients and proportions:

[0062]

[0063] (2) Glass melting: This step is the same as in Example 1.

[0064] (3) Mechanical forming: This step is the same as in Example 1, and high borosilicate glass for solar photovoltaic cells is prepared.

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Abstract

The invention especially relates to a preparation method of high borosilicate glass for solar photovoltaic batteries. The method comprises the following steps: 1, batch preparation: adding a rare earth element additive to present high borosilicate glass, wherein visible light is formed through converting infrared light and ultraviolet light by a conversion luminescence effect through applying an up-conversion luminescence principle, and illuminates; the rare earth additive is simultaneously used as a clarificant, a color complementation agent and a conversion luminescence couplant to improve the visible light transmittance of glass; and rare earth element borate glass has a high refractive index and a low chromatic dispersion, and is novel optical glass; 2, glass melting: carrying out high temperature melting of the glass batch in an electric melting furnace to form molten glass, carrying out clarification homogenizing, and cooling to form liquid glass; and 3, mechanical shaping: processing the liquid glass through adopting a float process production technology to form flat glass. The glass prepared through the method provided by the invention has a high visible light transmittance, and can be used as a glass matrix material and a packaging material for the solar photovoltaic batteries.

Description

technical field [0001] The invention relates to a method for preparing hard high borosilicate glass, in particular to a method for preparing high borosilicate glass for solar photovoltaic cells. The method of the invention specifically relates to a borosilicate glass component composition, formula, glass melting and mechanical forming process and technology of hard high borosilicate glass. The invention has excellent electrical properties and is mainly suitable for use as hard high borosilicate glass for solar photovoltaic cells. The invention belongs to the technical field of functional glass. Background technique [0002] Solar photovoltaic cell conversion relies on the silicon wafers in the solar cell module to convert solar energy into electrical energy. Silicon wafers have good light absorption and photovoltaic conversion efficiency. With the continuous improvement of solar cell core devices and battery components, the photovoltaic cell conversion efficiency of silico...

Claims

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Application Information

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IPC IPC(8): C03C3/095C03B18/02
Inventor 吴友良王雅琼周丹张传恒陈新雨李自强
Owner YANGZHOU TONGHE GLASS
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