Manufacturing process of pre-crosslinked photovoltaic module and photovoltaic module

A manufacturing process and photovoltaic module technology, applied in sustainable manufacturing/processing, photovoltaic power generation, final product manufacturing, etc., can solve problems such as color EVA overflow, achieve the effects of reducing fluidity, improving dimensional stability, and ensuring output power

Active Publication Date: 2020-04-28
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention discloses a manufacturing process of a pre-crosslinked photovoltaic module and a photovoltaic module, which solves the problem of colored EVA overflowing to the surface of a battery sheet

Method used

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  • Manufacturing process of pre-crosslinked photovoltaic module and photovoltaic module
  • Manufacturing process of pre-crosslinked photovoltaic module and photovoltaic module

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with embodiment, but is not limited to the content on the description.

[0020] like figure 1 and figure 2 As shown, the present invention discloses a manufacturing process of pre-crosslinked photovoltaic modules, comprising the following steps:

[0021] S10: Composite the colored EVA film 11 and the transparent EVA film 12 to form a composite packaging adhesive film layer 10;

[0022] S20: According to the distribution position of the cells, correspondingly divide the non-cell coverage area 30 and the cell coverage area 40 on the composite encapsulation film layer 10;

[0023] S30: Perform pre-crosslinking on the non-cell covered area 30 on the composite encapsulation film layer 10 .

[0024] In the manufacturing process of the pre-crosslinked photovoltaic module of the present invention, by performing pre-crosslinking on the non-cell covering area 30 in the composite encapsulation adhesive film l...

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Abstract

The invention discloses a manufacturing process of a pre-crosslinked photovoltaic module and the photovoltaic module. The manufacturing process of the pre-crosslinked photovoltaic module comprises thefollowing steps: S10, compounding a colored EVA film and a transparent EVA film to form a composite packaging adhesive film layer; S20, correspondingly setting a non-cell coverage area and a cell coverage area on the composite packaging adhesive film layer through division according to the distribution position of a cell; and S30, carrying out pre-crosslinking on the non-cell coverage area on thecomposite packaging adhesive film layer. According to the manufacturing process of the pre-crosslinked photovoltaic module, the non-cell coverage area in the composite packaging adhesive film layer is pre-crosslinked, so that the fluidity of the part of the adhesive film during lamination is reduced, the problem that the module power is reduced due to the fact that the surface of the cell is shielded by a colored adhesive film is avoided, and the output power of the photovoltaic module is effectively guaranteed.

Description

technical field [0001] The invention relates to the technical field of photovoltaic power generation, in particular to a manufacturing process of a pre-crosslinked photovoltaic module and the photovoltaic module. Background technique [0002] EVA, or ethylene-vinyl acetate, is the most commonly used hot-melt packaging material for photovoltaic modules. In the prior art, EVA used as a hot-melt packaging adhesive is usually in the form of a film that has not been cross-linked. White, black, colored and other colored EVA and transparent EVA is widely used as the back and front encapsulation films of photovoltaic modules. [0003] The internal molecules of the uncrosslinked EVA film are linear molecules, which soften and extend when heated, harden and shrink when cooled, and melt and flow when encountering high temperatures, resulting in crosslinking reactions. Therefore, in the heat melting process, the dimensional stability is poor and the fluidity is strong. When the colored...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048H01L31/18
CPCH01L31/048H01L31/18Y02E10/50Y02P70/50
Inventor 刘洪明覃冬梅蒋世用
Owner GREE ELECTRIC APPLIANCES INC
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