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Efficient seamless solar battery assembly series welding method

A solar cell, seamless technology, applied in electrical components, circuits, photovoltaic power generation, etc., can solve problems affecting the efficiency of the stringing process section, and achieve the effect of improving stringing efficiency and power

Active Publication Date: 2020-02-11
江阴德龙能源设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Further technical optimization can be extended to three-slice and four-slice to further improve the power and service life of components, but what follows is that the number of cells in the stringing process section is doubled, which in turn affects the efficiency of the stringing process section

Method used

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  • Efficient seamless solar battery assembly series welding method
  • Efficient seamless solar battery assembly series welding method
  • Efficient seamless solar battery assembly series welding method

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Embodiment Construction

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0048] It should be noted that like numerals and let...

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Abstract

The invention relates to an efficient seamless solar battery assembly series welding method. The method is characterized in that a copper strip raw material is pressed into a long-strip-shaped special-shaped solder strip with a plurality of circulating units through a solder strip wiredrawing and coating device; the solder strip is divided into special-shaped solder strip sections of a single circulating unit through a solder strip roll-off device; scaling powder is uniformly coated on a surface of the solder strip through a solder strip coating device; the special-shaped solder strip sectionsare moved to a solder strip jig disc and arranged in the solder strip jig disc according to a battery design pattern, and solder strip disc units are formed after the solder strip jig disc is filledwith the special-shaped solder strip sections; the solder strip disc units are moved to a battery piece stacking transmission line; battery pieces are moved to the battery piece stacking transmissionline; the solder strip disc units and the battery pieces are stacked in a staggered manner to form a preformed battery string; the battery pieces are transmitted to a heating welding device through the battery piece stacking transmission line, and the special-shaped solder strip sections are fully and uniformly welded in the preformed battery string with the battery pieces through temperature heating to form a formed battery string. The method is advantaged in that special-shaped solder strip connection can reduce a connection interval of the battery pieces and improve the power and the lightabsorption effect of a battery assembly.

Description

technical field [0001] The invention relates to a high-efficiency seamless solar cell assembly serial welding method. Background technique [0002] At present, with the rapid development of global technology and economy, there is an increasing need for more and cleaner energy to meet demand. There is no carbon dioxide emission when solar energy generates power and the environmental burden is small, so many countries and regions are vigorously developing solar (such as photovoltaic) cells as energy. [0003] Monolithic solar cells are limited, and solar cell modules are a better choice. To achieve the function of generating electricity, solar cell modules need to connect single solar cells to make them a whole. At present, in the packaging process of solar cell modules, welding ribbons are used to connect single cells in series. [0004] With the continuous progress of research on high-efficiency solar cells in the industry, the rated operating current of most single-polyc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/18H01L31/05
CPCH01L31/0504H01L31/188Y02E10/50Y02P70/50
Inventor 孙青徐海宾
Owner 江阴德龙能源设备有限公司
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