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Method of producing solar modules by the roller laminate process

A technology of solar cells and components, applied in the direction of electrical components, chemical instruments and methods, lamination, etc., which can solve the problems of not being able to adequately prepare complexes with thin-layer solar cell components on an industrial scale

Inactive Publication Date: 2012-05-30
KURARAY EURO GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The known methods for producing solar modules with solar cells buried between PVB films are not sufficient on their own for the production of composites with thin-film solar modules on an industrial scale

Method used

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  • Method of producing solar modules by the roller laminate process
  • Method of producing solar modules by the roller laminate process
  • Method of producing solar modules by the roller laminate process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0044] In such figure 1 In the equipment shown, the thin-layer module is pressed at a temperature of 90°C (measured after the last pressing tool) and a line pressure of 35N / mm and a feed rate of 3m / min. The size of the thin-layer module is 30 cm long x 20 cm wide and the glass thickness is 3.2 mm, and it also has two conductive tapes with a length of 20 mm from the edge and a width of 2 mm and a thickness of about 250 μm. The running direction of the composite body is selected so that the outlet of the conductive channel from the module is located behind and finally suppressed. As a softening agent-containing polyvinyl acetal film, the roughness R is used Z It is a Trosifol HR 100 type membrane (Kuraray Europe GmbH) of approximately 100 μm.

[0045] The line pressure of the pressing tool is lowered to the weight of the upper roller on the first 10mm and the last 30mm of the layer.

[0046] A slightly turbid, bubble-free laminate was obtained.

[0047] In the subsequent autoclave pr...

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Abstract

The invention relates to a method of producing a solar module by laminating a layer body consisting of a first carrier, to which at least one solar cell unit is applied, and a second carrier by at least one intermediate film based on a plasticiser-containing polyvinyl acetal by guiding the layer body between at least one pair of rollers at a temperature of 50 to 150 DEG C.

Description

Technical field [0001] The present invention relates to a process for preparing thin-layer solar cell modules by using a roll-compression composite method in the case of using a film based on polyvinyl butyral (PVB). Background technique [0002] Thin-layer solar cell modules are usually composed of photosensitive semiconductor layers (hereinafter referred to as solar cells), which are applied to transparent sheets, for example, by evaporation, vapor deposition, sputtering or wet deposition. On top and for protection from external influences, an optionally also transparent cover is provided. Solar cells are often laminated between a glass plate and a covering plate, for example made of glass, by means of an optionally transparent adhesive. The adhesive must completely envelop the solar cell, must be UV stable and completely free of bubbles after the lamination process. [0003] As transparent adhesives, cured casting resins or crosslinkable ethylene-vinyl acetate (EVA)-based syst...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/18
CPCB32B17/10816B29C65/4815H01L31/18B29C66/91411B32B2305/34B29C66/91216B29C66/91221B29K2031/04Y02E10/50B29C2035/0822H01L31/048B29C65/1425B29C66/9241B29C65/1412B29C65/5057B29C66/919B29C65/14B29L2009/00B29C66/92445B29C66/929B32B17/10247B32B37/18B32B17/10036B29C66/91423B29C66/91445B29C66/91421B32B2457/12B32B17/10871B29C66/9292B29C65/10B32B17/10761B32B2309/12B29C66/83413B32B37/0053B29C66/91431B29K2105/0038B29C66/73161B29K2995/0072B29C66/45B29K2029/14B29C66/71H01L31/0488B29C66/72326B29C66/723B29C66/72321B29C66/73751B29C66/73755B29C66/7392
Inventor A·卡品斯基B·科尔
Owner KURARAY EURO GMBH
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