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Glass manufacturing process for ultra-clear float solar cells

A solar cell and glass manufacturing technology, applied in glass manufacturing equipment, manufacturing tools, glass cutting devices, etc., can solve the problems of high production cost, difficulty in mass production of ultra-thin float glass, etc. The effect of light weight and improved photoelectric conversion rate

Active Publication Date: 2016-05-18
XINYI PHOTOVOLTAIC IND (ANHUI) HLDG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, it is difficult to produce ultra-thin float glass in large quantities in the production line of the ultra-clear float glass currently on the market, or even if it can be produced, the production cost is very high

Method used

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Embodiment Construction

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] The manufacturing process of the glass for ultra-clear float solar cells provided by the present invention will now be described. The glass manufacturing process for the ultra-clear float solar cell comprises the following steps:

[0027] (1) Raw material batching: after mixing sand, dolomite, limestone, soda ash and Glauber's salt, recycled cullet, aluminum powder and oxidant, stir to form a mixed batch with a chemical composition of predetermined weight parts; wherein the quality of siliceous raw materials The requirement is: SiO 2 ≥98.5%±0.1%, Al 2 o ...

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Abstract

The invention is applicable to the technical field of special glass production, and provides a glass manufacturing process for ultra-clear float solar cells and its products. The process includes the following steps: (1) raw material batching; (2) feeding and melting; (3) Clarification; (4) homogenization; (5) tin annealing; (6) annealing; (7) cutting. The ultra-clear float solar cell glass manufacturing process provided by the present invention can produce ultra-clear float solar cell glass with a thickness of 2.5mm. This kind of glass has high light transmittance, low reflectivity and light unit weight, and is very suitable It is used in the photovoltaic industry as a substrate for photoelectric conversion and a panel of a photothermal conversion system for the manufacture of solar cells; in addition, the production cost of ultra-clear float solar cell glass is low by using the process of the present invention, thereby also reducing the overall cost. The production cost of the photovoltaic industry chain.

Description

technical field [0001] The invention belongs to the technical field of special glass production, and more specifically relates to a glass manufacturing process for ultra-clear float solar cells and its products. Background technique [0002] The production technology of ultra-clear float glass is mainly float method. Ultra-clear float glass is made of ore raw materials with extremely low iron content instead of ordinary glass ore. It is produced by roughly the same process as ordinary float glass, and the resulting product has low iron content, high light transmittance and low reflectivity. float glass. [0003] 3.2mm, 4.0mm ultra-clear float tempered glass, in the wavelength range of solar cell spectral response (320-1100nm), the light transmittance can reach about 91%, and it has a high reflectivity for infrared light greater than 1200nm. As the thickness of the ultra-clear float glass increases, the light transmittance value in the wavelength range (320-1100nm) of the s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C6/04C03B18/02C03B25/00C03B33/02
Inventor 董清世张明刘笑荣孙伟梅锡军丁传标刘日福
Owner XINYI PHOTOVOLTAIC IND (ANHUI) HLDG CO LTD
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