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A production system for polycrystalline solar cells

A technology for solar cells and production systems, applied in circuits, electrical components, and final product manufacturing, etc., can solve problems such as slow production speed, inability to texturing, diffusion, coating and sintering, and simple structure, achieving strong practicability and eliminating Potential safety hazards and improved cleaning effect

Active Publication Date: 2017-05-17
ZHEJIANG GUANGLONG ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Although the production system disclosed in this patent can prevent dust from falling on the silicon wafer, the structure of the production system is too simple to perform texturing, diffusion, coating and sintering on it continuously, and the production speed is slow. Therefore, a A production system for polycrystalline solar cells is necessary

Method used

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  • A production system for polycrystalline solar cells
  • A production system for polycrystalline solar cells
  • A production system for polycrystalline solar cells

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Embodiment Construction

[0065] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0066] Such as figure 1 , figure 2 , Figure 4 , Figure 5 As shown, the production system of the polycrystalline solar cell includes a mounting frame, and a texturing device, a diffusion device, a coating device and a sintering device are arranged in sequence on the mounting frame; with this structure, through the texturing device, the diffusion device, the coating device and the The sintering device can perform texturing, diffusion, coating and sintering on silicon wafers, which can realize continuous and uninterrupted operation and high production efficiency.

[0067] Such as figure 2 As shown, the texturing device includes a base 50, the base 50 is fixed on the mounting frame, the isolation box is fixed on the ba...

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Abstract

The invention provides a production system of a polycrystalline solar cell, and aims at solving the technical problems that an existing production system is too simple in structure, texturing, diffusion, coating and sintering cannot be continuously carried out, the production speed is low and the like. The production system of the polycrystalline solar cell comprises a mounting frame, wherein the mounting frame is sequentially provided with a texturing device, a diffusion device, a coating device and a sintering device. The production system has the advantage of high production efficiency.

Description

technical field [0001] The invention relates to a production system of polycrystalline solar cells. Background technique [0002] A solar cell is a photoelectric element that converts light energy into electrical energy. Its basic structure is composed of P-type and N-type semiconductors. Under the irradiation of sunlight, the electrons in the P-type semiconductor are excited to leave holes, forming a potential difference with the N-type semiconductor. If the electrodes are connected with wires outside the P-type and N-type semiconductors, a loop will be formed. generate current. Solar cells are doped with different impurities in semiconductors to make P-type and N-type semiconductors. Generally, high-purity silicon wafers are used as substrates. Through cleaning, texturing, phosphorus diffusion, deposition, printing, sintering, packaging, etc. Process made. [0003] After searching, for example, Chinese patent literature discloses a solar silicon cell production system [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/18H01L21/67
CPCH01L21/67207H01L31/18Y02P70/50
Inventor 朱金浩蒋剑波朱世杰许布万光耀陈珏荣吴振宏文长洪
Owner ZHEJIANG GUANGLONG ENERGY TECH
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