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Manufacturing process of a solar cell

A technology of solar cells and manufacturing process, which is applied in the field of solar energy, can solve the problems of lower production efficiency and complicated process, and achieve the effects of improving applicability, improving uniform heating, and compact structure

Active Publication Date: 2019-03-22
浙江德西瑞无纺科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the existing solar cell technology is too complicated, which reduces the production efficiency. Therefore, it is necessary to invent a solar cell manufacturing process

Method used

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  • Manufacturing process of a solar cell
  • Manufacturing process of a solar cell
  • Manufacturing process of a solar cell

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Embodiment Construction

[0039] The following are specific embodiments of the present invention in conjunction with the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0040] A manufacturing process of solar cells, the manufacturing process includes the following steps:

[0041] Step a: Texturing;

[0042] Step b: chemical cleaning;

[0043] Step c: Diffusion, put the cell into the quartz boat, and then put the quartz boat into the diffusion furnace for diffusion;

[0044] Step d: etching, etching with an etching machine;

[0045] Step e: remove phosphorous silica glass;

[0046] Step f: PECVD;

[0047] Step g: screen printing, screen printing using a screen printing machine;

[0048] Step h: Sintering, using a sintering furnace for sintering;

[0049] Step i: classification detection;

[0050] Step j: packaging;

[0051] It is characterized in that the quartz boat in step c includes a vertical plate 1 and a bo...

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Abstract

The present invention provides a manufacturing process of a solar cell, belonging to the field of solar energy. The manufacturing process solves the technical problems of low production efficiency andthe like of the existing solar cells. The manufacturing process includes: step a, texturing; step b, chemical cleaning; step c, diffusion by placing a cell into a quartz boat and then placing the quartz boat in a diffusion furnace; step d, etching with an etching machine; step e: removal of phosphorosilicate glass; step f, PECVD; step g, screen printing with a screen printing machine; step h, sintering with a sintering furnace; step i, classifying and testing; step j, packaging. The manufacturing process has the advantage of high efficiency.

Description

Technical field [0001] The invention belongs to the field of solar energy, in particular to a manufacturing process of solar cells. Background technique [0002] The silicon wafer is the carrier of the solar cell. The quality of the silicon wafer directly determines the conversion efficiency of the solar cell. Therefore, it is necessary to inspect the incoming silicon wafer. This process is mainly used for online measurement of some technical parameters of the silicon wafer. These parameters mainly include the surface unevenness of the silicon wafer, the lifetime of the minority carrier, the resistivity, P / N type and microcracks. This group of equipment is divided into automatic loading and unloading, silicon wafer transmission, system integration part and four detection modules. Among them, the photovoltaic silicon wafer detector detects the unevenness of the silicon wafer surface, and simultaneously detects the size and diagonal of the silicon wafer. The microcrack detection m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/18
CPCY02P70/50
Inventor 陈建平
Owner 浙江德西瑞无纺科技有限公司
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