CN104269458A - 一种太阳能电池封装工艺 - Google Patents
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- H—ELECTRICITY
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Abstract
一种太阳能电池封装工艺,它涉及太阳能电池技术领域,它的操作步骤如下:将若干个电池焊接形成电池组件;将EVA通过高温加热机处理成熔融状态后,装入挤压设备中;把上述熔融的EVA通过挤压设备涂覆到TPT背板上,然后通过平铺设备将上述EVA层刮平;把所述电池组件置于所上述EVA熔融层上;在透光玻璃内侧面上再涂覆一层熔融EVA,再通过平铺设备将EVA层刮平;然后把涂上EVA的透光玻璃覆盖在上述电池组件上;将上述组件辊压,挤出多余EVA;最后将边框压合在四周,与多余的EVA粘合,最后风干固化即可。它操作简单,能够避免传统工艺过程中带来的气泡、损坏等问题,提高了工作效率。
Description
技术领域:
本发明涉及太阳能电池技术领域,具体涉及一种太阳能电池封装工艺。
背景技术:
当电力、煤炭、石油等不可再生能源频频告急,能源问题日益成为制约国际社会经济发展的瓶颈时,越来越多的国家开始实行“阳光计划”,开发太阳能资源,寻求经济发展的新动力。欧洲一些高水平的核研究机构也开始转向可再生能源。在国际光伏市场巨大潜力的推动下,各国的太阳能电池制造业争相投入巨资,扩大生产,以争一席之地。
在世界光伏市场的强力拉动下,中国太阳能电池制造业通过引进、消化、吸收和再创新,获得了长足的发展。中国太阳能电池产业的发展大致可分为三个阶段。第一阶段为1984年以后的研究开发时期;之后迎来了2001年以后的产业形成时期,第二阶段也是尚德等太阳能电池厂商开始创业的时期;2005年至今的第三阶段是中国太阳能电池产业的快速发展时期。
得益于国家对太阳能等新能源产业的政策、资金支持,2011年中国太阳能电池产业增长迅速,在世界10大太阳能电池生产商中有6家是中国企业。对太阳能电池产业而言,2012年及2013年是相当辛苦的两年,市场竞争激烈导致价格大幅下跌,欧、美、中多家太阳能电池大企业破产,所幸因价格的下跌,让新装机的数量能够维持成长不坠。2013年,我国太阳能电池行业累计产量同比增长19.95%,蝉联全球最大太阳能电池市场地位。光-电直接转换方式该方式是利用光电效应,将太阳辐射能直接转换成电能,光-电转换的基本装置就是太阳能电池。太阳能电池是一种由于光生伏特效应而将太阳光能直接转化为电能的器件,是一个半导体光电二极管,当太阳光照到光电二极管上时,光电二极管就会把太阳的光能变成电能,产生电流。当许多个电池串联或并联起来就可以成为有比较大的输出功率的太阳能电池方阵了。太阳能电池是一种大有前途的新型电源,具有永久性、清洁性和灵活性三大优点.太阳能电池寿命长,只要太阳存在,太阳能电池就可以一次投资而长期使用;与火力发电、核能发电相比,太阳能电池不会引起环境污染;太阳能电池可以大中小并举,大到百万千瓦的中型电站,小到只供一户用的太阳能电池组,这是其它电源无法比拟的。
封装时太阳能电池生产中的关键步骤,没有良好的封装工艺,多好的电池液生产不出好的组件板。电池封装不仅可以使电池的寿命得到保证,而且还增加了电池的抗击强度,产品的高质量和高寿命是赢得客户满意的关键,所以组件板的封装质量非常重要。传统的太阳能电池在封装的过程中是采用层压敷设的方式,即将串接好的电池组、玻璃和切割好的EVA、玻璃纤维以及背板按照一定的层次敷设好,然后进行层压,在该层压敷设过程中,存在以下几点缺陷:若EVA敷设不平整或EVA受潮的情况下,层压时就会出现气泡,造成组件失效;电池晶片在高温高压作用下,容易碎裂,造成组件报废,且层压设备昂贵,造成太阳能电池生产成本的提高。
发明内容:
本发明的目的是提供一种太阳能电池封装工艺,它操作简单,能够避免传统工艺过程中带来的气泡、损坏等问题,提高了工作效率。为了解决背景技术所存在的问题,本发明是采用以下技术方案:它的操作步骤如下:
(1)将若干个电池焊接,形成电池组件;
(2)将EVA通过高温加热机处理成熔融状态后,装入挤压设备中;
(3)把上述熔融的EVA通过挤压设备涂覆到TPT背板上,形成EVA层,然后通过平铺设备将上述EVA层刮平;
(4)把所述电池组件置于所上述EVA熔融层上;
(5)在透光玻璃内侧面上再涂覆一层熔融EVA,形成EVA层,再通过平铺设备将EVA层刮平;
(6)然后把涂上EVA的透光玻璃覆盖在上述电池组件上;
(7)将上述组件辊压,挤出多余EVA;
(8)最后将边框压合在四周,与多余的EVA粘合,最后风干固化即可。
本发明具有以下有益效果:它操作简单,能够避免传统工艺过程中带来的气泡、损坏等问题,提高了工作效率。
具体实施方式:
本具体实施方式是采用以下技术方案:它的操作步骤如下:
(1)将若干个电池焊接,形成电池组件;
(2)将EVA通过高温加热机处理成熔融状态后,装入挤压设备中;
(3)把上述熔融的EVA通过挤压设备涂覆到TPT背板上,形成EVA层,然后通过平铺设备将上述EVA层刮平;
(4)把所述电池组件置于所上述EVA熔融层上;
(5)在透光玻璃内侧面上再涂覆一层熔融EVA,形成EVA层,再通过平铺设备将EVA层刮平;
(6)然后把涂上EVA的透光玻璃覆盖在上述电池组件上;
(7)将上述组件辊压,挤出多余EVA;
(8)最后将边框压合在四周,与多余的EVA粘合,最后风干固化即可。
本具体实施方式具有以下有益效果:它操作简单,能够避免传统工艺过程中带来的气泡、损坏等问题,提高了工作效率。
Claims (1)
1.一种太阳能电池封装工艺,其特征在于它的操作步骤如下:
(1)将若干个电池焊接,形成电池组件;
(2)将EVA通过高温加热机处理成熔融状态后,装入挤压设备中;
(3)把上述熔融的EVA通过挤压设备涂覆到TPT背板上,形成EVA层,然后通过平铺设备将上述EVA层刮平;
(4)把所述电池组件置于所上述EVA熔融层上;
(5)在透光玻璃内侧面上再涂覆一层熔融EVA,形成EVA层,再通过平铺设备将EVA层刮平;
(6)然后把涂上EVA的透光玻璃覆盖在上述电池组件上;
(7)将上述组件辊压,挤出多余EVA;
(8)最后将边框压合在四周,与多余的EVA粘合,最后风干固化即可。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106601847A (zh) * | 2016-11-29 | 2017-04-26 | 梁结平 | 光伏组件面板及其制作方法、光伏组件 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101369608A (zh) * | 2007-05-17 | 2009-02-18 | 刘美华 | 太阳能电池板结构 |
CN102655181A (zh) * | 2011-03-03 | 2012-09-05 | 昆山恒辉新能源有限公司 | 太阳能电池封装工艺 |
KR20140075867A (ko) * | 2012-12-10 | 2014-06-20 | 도레이첨단소재 주식회사 | 인라인 코팅 방법을 이용한 태양전지용 봉지재 시트의 제조 방법 및 이에 의해 제조된 봉지재 시트 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101369608A (zh) * | 2007-05-17 | 2009-02-18 | 刘美华 | 太阳能电池板结构 |
CN102655181A (zh) * | 2011-03-03 | 2012-09-05 | 昆山恒辉新能源有限公司 | 太阳能电池封装工艺 |
KR20140075867A (ko) * | 2012-12-10 | 2014-06-20 | 도레이첨단소재 주식회사 | 인라인 코팅 방법을 이용한 태양전지용 봉지재 시트의 제조 방법 및 이에 의해 제조된 봉지재 시트 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106601847A (zh) * | 2016-11-29 | 2017-04-26 | 梁结平 | 光伏组件面板及其制作方法、光伏组件 |
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