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Film-bonded all-black photovoltaic module and manufacturing method thereof

A black light and film technology, which is used in photovoltaic power generation, final product manufacturing, sustainable manufacturing/processing, etc., can solve the problems of tandem belt and bus belt reflection, affecting the effect of sunlight absorption, aesthetic defects, etc., to reduce light pollution, The effect of improving the aesthetics

Pending Publication Date: 2019-02-26
江苏润达光伏无锡有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Ordinary black photovoltaic modules replace the backplane, frame, etc. with black, but when the photovoltaic module is observed in the sun, the series connection belt and the bus belt will reflect light, and the photovoltaic module cannot achieve the effect of complete black; Defects also affect the sunlight absorption effect

Method used

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  • Film-bonded all-black photovoltaic module and manufacturing method thereof
  • Film-bonded all-black photovoltaic module and manufacturing method thereof
  • Film-bonded all-black photovoltaic module and manufacturing method thereof

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0030] Such as figure 1 and figure 2 As shown, the conventional packaging process of ordinary black photovoltaic modules is:

[0031] First, a plurality of photovoltaic cells 1 are welded in series to form a battery string with a series connection strip 2 (such as a tinned copper strip);

[0032] Then lay the glass 3 flat on the production line, and the glass is used for the front protection of the photovoltaic module; lay the EVA material on the glass 3 as the laminating glue 4;

[0033] Next, face the front of each battery string to the glass 3 for typesetting, and arrange each battery string in parallel, leaving a gap of 2 to 3 mm wide between the strings; use bus bars to connect the strings of the battery string 3 to each other by welding;

[0034] Lamination adhesive 5 is then laid on the back of all battery strings after typesetting; the lamination ad...

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Abstract

The invention provides a film-bonded all-black photovoltaic module, comprising: photovoltaic cell sheets, a tandem strip, a bus bar, glass, a black backplane and a black film. A plurality of photovoltaic cell sheets are welded in series to form cell strings through the tandem strip. The cell strings are arranged in series and in parallel. The strings of the cell strings are welded by using the busbar. The black film is stuck on the surface of the tandem strip and the bus bar. The front and back sides of all cell strings are bonded to the glass and the black backplane by a laminated adhesive.Further, the edge of the photovoltaic assembly is mounted with a black border. Further, the laminated adhesive is made of an EVA material. The appearance of the film-bonded all-black photovoltaic module is all black, and there is no white or reflective part, which improves the beauty of the module and does not produce a light reflection phenomenon.

Description

technical field [0001] The invention relates to a photovoltaic module, in particular to a film-attached all-black photovoltaic module. Background technique [0002] Photovoltaic crystalline silicon module is a module that converts light energy into electrical energy through crystalline silicon PN junction semiconductor, referred to as photovoltaic cell. Photovoltaic crystalline silicon modules are currently widely used in large ground power stations, roofs, ships, aviation and other fields. [0003] Ordinary black photovoltaic modules replace the backplane, frame, etc. with black, but when the photovoltaic module is observed in the sun, the series connection belt and the bus belt will reflect light, and the photovoltaic module cannot achieve the effect of complete black; Defects also affect the sunlight absorption effect. Contents of the invention [0004] The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a film-attached a...

Claims

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Application Information

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IPC IPC(8): H01L31/048H01L31/049H01L31/05H01L31/18
CPCH01L31/0481H01L31/049H01L31/0504H01L31/1876Y02E10/50Y02P70/50
Inventor 陈海龙
Owner 江苏润达光伏无锡有限公司
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