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Heat treatment device and heat treatment method special for CdTe film battery

A heat treatment method and thin-film battery technology, which can be used in circuits, electrical components, sustainable manufacturing/processing, etc., can solve the problems of CdTe thin-film solar cell efficiency attenuation, and achieve the effect of reducing attenuation and avoiding oxidation

Active Publication Date: 2015-01-28
上海太阳能电池研究与发展中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the introduction of aqueous solution is likely to lead to the attenuation of the efficiency of CdTe thin film solar cells

Method used

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  • Heat treatment device and heat treatment method special for CdTe film battery
  • Heat treatment device and heat treatment method special for CdTe film battery
  • Heat treatment device and heat treatment method special for CdTe film battery

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Embodiment Construction

[0025] The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing and embodiment:

[0026] A heat treatment device specially used for CdTe thin film batteries of the present invention includes: a graphite boat 1 and a quartz support 2 .

[0027] The quartz support 2 is a rectangular frame, and the two ends of the horizontal bars 201 at both ends of the frame length direction exceed the width of the quartz support by 1 mm, which is used to prevent the quartz support from moving too far in the graphite boat. A handle 202 is provided in the middle of the bar at the end of the frame in the length direction to push the quartz support to move in the graphite boat.

[0028] The quartz support 2 has four internal horizontal bars 203 built in. The sample heat treatment area and the sample cooling area are each divided by two internal horizontal bars 203. The distance between the sample heat treatment area 4 and the sample cool...

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Abstract

The invention discloses a heat treatment device and a heat treatment method special for a CdTe film battery. The heat treatment device comprises a graphite boat and a quartz bracket, wherein the quartz bracket is a rectangular frame, which is divided into three areas from front to rear; the first area is a sample dehumidification area, the second area is a sample heat treatment area, and the third area is a sample temperature drop area. The quartz bracket moves through the graphite boat, so that a sample is subject to dehumidification, heat treatment and temperature drop respectively in the three areas, which eliminates influence on annealed film quality due to moisture adsorption by the CdTe film and a CeCl2 source sheet, avoids CdCl2 residue pollution and CeTe film surface oxidation, and omitting subsequent cleaning processing step and avoiding the resulting attenuation of the conversion efficiency of the CeTe film solar cell.

Description

technical field [0001] The invention relates to a CdTe thin film solar cell, in particular to a heat treatment method for a CdTe thin film solar cell. Background technique [0002] Research on thin-film solar cells has been highly valued in the past ten years. Among them, n-CdS / p-CdTe heterojunction polycrystalline thin-film solar cells have shown great promise in the development of large-area cells, the development of large-scale production, and low production costs. It has the incomparable advantages of other solar cells. Therefore, the market prospect of CdTe thin-film solar cells is generally optimistic, and has become the main target of research and development in the United States, Germany, Japan, Italy and other countries. Important progress has also been made in industrialization, and component manufacturers have been established one after another. In terms of application, CdTe / glass has a beautiful appearance and can be used for large-area roofing materials; CdTe / f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/18
CPCY02P70/50
Inventor 张传军邬云华曹鸿赵守仁王善力褚君浩
Owner 上海太阳能电池研究与发展中心