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Cover glass for solar cell, and solar cell module

A solar cell and glass technology, applied in the direction of photovoltaic modules, supporting structures and circuits of photovoltaic modules, can solve problems such as artificial increase, and achieve the effect of ensuring strength

Inactive Publication Date: 2015-09-23
ASAHI GLASS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the increase in the labor required to install a large number of solar cell modules is a major concern and concern.
The concern about artificial growth is smaller than that of photovoltaic power plants, but it also exists when solar cell modules are installed on the roof and roof of the above-mentioned newly constructed buildings (these concerns are referred to as concern point 2).

Method used

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  • Cover glass for solar cell, and solar cell module
  • Cover glass for solar cell, and solar cell module
  • Cover glass for solar cell, and solar cell module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0083] Glass plates for solar cell cover glasses shown in Table 1 below were prepared. In the table, Example 1 is a glass plate of the cover glass of the present invention, and Examples 2 to 4 are glass plates of comparative examples.

[0084] The glass plates of Examples 1 and 2 are chemically strengthened glass plates. The type of glass plate in Example 1 is LEOFLEX (registered trademark) manufactured by Asahi Glass Co., Ltd. (Asahi Glass Co., Ltd.), and the physical properties of each reinforcement obtained by chemical strengthening treatment were adjusted to those shown in the "Example 1" column of Table 1. value. The type of the glass plate of Example 2 is soda lime glass, and each strengthening physical property obtained by chemical strengthening process was adjusted to the value shown in the column of "Example 2" of Table 1. As reinforcement properties, the surface compressive stress CS (unit: MPa) of the main surface and the thickness DOL of the compressive stress la...

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PUM

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Abstract

A cover glass for a solar cell having a glass plate having first and second principal surfaces and edge surfaces disposed between the first and second principal surfaces, the cover glass for a solar cell being characterized in that the glass plate has a plate thickness of 0.5 to 1.5 mm and has been subjected to a chemical strengthening treatment, the principal surfaces have a surface compressive stress value of 400 to 1000 MPa, the thickness in the plate thickness direction of a compressive stress layer on the principal surfaces is 15 to 50 μm, and the glass plate has a concentric circle bend strength of at least 30 kgf.

Description

technical field [0001] The present invention relates to a cover glass for a solar cell and a solar cell module, and particularly to a cover glass for a solar cell capable of reducing breakage during long-term use even when the sheet thickness is thinner after chemical strengthening treatment, and to a cover glass for a solar cell using the cover glass for a solar cell solar cell module. Background technique [0002] Due to concerns about the depletion of fossil energy, photovoltaic power generation has become popular. In particular, due to the electricity purchase system in Japan, examples of installing solar battery modules on the roofs and roofs of general households, factories, buildings, etc. are increasing. [0003] In order to install solar cell modules on roofs and roofs, it is necessary to sufficiently ensure the vibration resistance of the building. For example, in the case of new construction, it is necessary to design the structure of the building in considerati...

Claims

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Application Information

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IPC IPC(8): C03C3/085C03C3/083C03C21/00H02S20/24
CPCY02E10/50H02S20/24H01L31/048C03C3/085C03C21/00C03C3/083Y02B10/12C03C21/002Y02B10/10
Inventor 小林裕介桶谷幸史金杉忠久菊地哲一山泰子小岛浩士
Owner ASAHI GLASS CO LTD
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