Glass plate used for solar cell module packaging

A technology of solar cells and glass plates, applied in electrical components, circuits, photovoltaic power generation and other directions, to achieve the effect of saving cost and danger, good durability and high power added value

Active Publication Date: 2009-06-03
CHANGZHOU ALMADEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, at present, it has always been a technical problem to increase the light transmittance of the solar cell module packaging glass plate, and at the same time, the glass plate has self-cleaning ability.

Method used

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  • Glass plate used for solar cell module packaging
  • Glass plate used for solar cell module packaging
  • Glass plate used for solar cell module packaging

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Such as Figure 1 to Figure 5 As shown, a glass plate for encapsulating solar cell modules includes a glass substrate 1 and a coating 3 coated on the glass substrate 1, one side of the glass substrate 1 is provided with an embossed layer 2 with a pattern, the glass The coating 3 above the substrate 1 is coated on the surface of the embossed layer 2, and the coating 3 is composed of zirconia and magnesium fluoride, and their weight percentages are 25% of zirconia, 75% of magnesium fluoride, and the coating 3 The thickness is 130nm. The pattern shape on the embossed layer 2 is honeycomb shape, and the arrangement of each honeycomb pattern is closely arranged, and the honeycomb opening is a deformed regular hexagon, that is, the lengths of the upper and lower opposite sides of the deformed regular hexagon are parallel and equal, but the same as The lengths of the remaining four sides are not equal, and the lengths of the remaining four sides are equal. In each honeycomb,...

Embodiment 2

[0019] Such as Figure 1 to Figure 5 As shown, a glass plate for encapsulating solar cell modules includes a glass substrate 1 and a coating 3 coated on the glass substrate 1, one side of the glass substrate 1 is provided with an embossed layer 2 with a pattern, the glass The coating 3 above the substrate 1 is coated on the surface of the embossed layer 2, and the coating 3 is composed of zirconia and magnesium fluoride, and their weight percentages are 38% of zirconia, 62% of magnesium fluoride, and the coating 3 The thickness is 145nm. The pattern shape on the embossed layer 2 is honeycomb shape, and the arrangement of each honeycomb pattern is closely arranged, and the honeycomb opening is a deformed regular hexagon, that is, the lengths of the upper and lower opposite sides of the deformed regular hexagon are parallel and equal, but the same as The lengths of the remaining four sides are not equal, and the lengths of the remaining four sides are equal. In each honeycomb,...

Embodiment 3

[0021] Such as Figure 1 to Figure 5 As shown, a glass plate for encapsulating solar cell modules includes a glass substrate 1 and a coating 3 coated on the glass substrate 1, one side of the glass substrate 1 is provided with an embossed layer 2 with a pattern, the glass The coating 3 above the substrate 1 is coated on the surface of the embossed layer 2, and the coating 3 is composed of zirconia and magnesium fluoride, and their weight percentages are 30% of zirconia, 70% of magnesium fluoride, and the coating 3 The thickness is 135nm. The pattern on the embossed layer 2 is honeycomb-shaped, and the arrangement of each honeycomb pattern is closely arranged, and the honeycomb mouth is a deformed regular hexagon, that is, the lengths of the upper and lower opposite sides of the deformed regular hexagon are parallel and equal. The lengths of the remaining four sides are not equal, and the lengths of the remaining four sides are equal. In each honeycomb, the depth d of the hon...

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Abstract

The present invention relates to a solar module, in particular to a glass plate for solar module packaging, which comprises a glass substrate (1) and a coating (3) on the glass substrate (1). Wherein, a corrugated empaistic layer (2) is arranged on one side of the glass substrate (1). The coating (3) on the glass substrate (1) is coated on a surface of the empaistic layer (2). Honeycombed shapes are positioned on the empaistic layer (2). An opening of the honeycomb takes a shape of deformed hexagon. Length a of a diagonal for an upper and a lower edge in parallel in the honeycomb opening achieves 0.8mm. A vertical distance b between the upper and the lower edge reaches 0.9mm. The present invention has the advantages of: (1) High light transmittance and excellent light convergence to realize a plurality of scattered reflections; (2) Strong self-cleaning capacity; (3) Power increment higher than 3 times of prior filming technology; (4) Long service life; (5) Antibiosis and rot resistance and (6) Excellent heat dissipation.

Description

technical field [0001] The invention relates to a solar battery module, in particular to a glass plate for encapsulating the solar battery module. Background technique [0002] At present, the known photoelectric conversion of solar energy relies on the cells in the solar cell assembly, which have a good light absorption effect. With the continuous improvement of the solar cell assembly, the photoelectric conversion efficiency of the cell in the solar cell assembly has increased It has reached a relatively high level, so people continue to develop and improve the light transmittance of the glass plate used as the cover material in the solar cell module, so as to further improve the relative photoelectric conversion efficiency of the entire solar cell. At the same time, since the workplaces of solar cells are mostly installed outdoors in harsh environments, the surface of the glass plate used for encapsulating solar cell modules is easily dirty, and it is difficult to clean a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/02H01L31/0236
CPCY02E10/50
Inventor 林书铨唐敦乙林金锡
Owner CHANGZHOU ALMADEN
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