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Powder coating for photovoltaic module

A photovoltaic module and backplane technology, applied in photovoltaic power generation, coating, friction discharge injection, etc., can solve the problems of reduced yield and long time-consuming preparation process

Inactive Publication Date: 2012-05-16
DU PONT APOLLO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the lamination process for making the backsheet, the preparation process takes a long time and the yield decreases due to multiple lamination steps

Method used

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  • Powder coating for photovoltaic module
  • Powder coating for photovoltaic module
  • Powder coating for photovoltaic module

Examples

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Embodiment Construction

[0019] Embodiments of the invention are discussed in more detail below. However, this embodiment may be an application of various inventive concepts, and may be embodied in various specific ranges. The specific embodiments are for illustrative purposes only and do not limit the scope of the disclosure.

[0020] A reference to the singular may include the plural (eg "a" may mean one, at least one or more) unless the context specifically mentions otherwise. As used herein, "about" is used to modify any quantity that may vary slightly, but which does not alter the essence. If there is no special explanation in the text, it means that the error range of the value modified by "about" is generally allowed to be within the range of the upper and lower limits defined in the present embodiment.

[0021] According to one embodiment of the present invention, refer to figure 1 , the backplane 100 includes: a dielectric layer 105 , an adhesive layer 110 , a barrier layer 115 and a weath...

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Abstract

Disclosed herein is a backsheet for a photovoltaic module. The backsheet includes a dielectric layer, an adhesive layer disposed on the dielectric layer, a barrier layer disposed on the adhesive layer and bonded to the dielectric layer via the adhesive layer, and a weather resistant layer directly disposed on and bonded to the barrier layer by a powder coating method.

Description

technical field [0001] The invention relates to a photovoltaic module (Photovoltaic Module) backboard and a preparation method thereof. Background technique [0002] A photovoltaic module is a component that converts light energy into electricity. Photovoltaic modules are usually prepared by lamination, and their main structure includes at least one solar cell string and a sealing system. The solar cell string is composed of a plurality of solar cells, wherein the solar cells are sealed in a transparent front sheet and a rear protection sheet (also known as a back sheet), and a polymer material is used to bond the transparent front sheet and the back sheet. The sealing system is mainly to protect the photovoltaic module and prolong its service life. In order to reduce the cost of photovoltaic modules, the research on the backplane is also the most interesting part of the industry. Among them, the main functions of the backsheet include water vapor / humidity barrier, UV res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048H01L31/18B05D1/06B05B5/047B05B5/053
CPCH01L31/0487Y02E10/50H01L31/049
Inventor 郑有生梁家乐
Owner DU PONT APOLLO
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