CN104201222A - 一种透光型晶体硅太阳电池组件及其制备方法 - Google Patents
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Abstract
本发明公开了一种透光型晶体硅太阳电池组件,包括依次层叠的正面封装玻璃层、正面EVA层、电池片组件层、背面EVA层和背面封装玻璃层。所述电池片组件层包括若干电池串并联汇流而成,每根电池串由若干电池片串联而成,所述电池片为不满足良品要求的保留主栅而切割形成的条形电池片。相邻的电池片,一个电池片的正面主栅位置焊接的焊带连接另一个电池片的背面主栅。本发明还公开了本产品的制备方法,采用本发明的设计,能够对不满足良品要求的电池片进行再次利用,有效地减小了电池制备过程中人工以及材料的浪费,节约了成本,采用百叶窗结构,还满足了对透光性能及美观性能的要求,可以很好地应用于建筑物窗户、大厅顶部以及汽车天窗等特殊地方。
Description
技术领域
本发明涉及一种太阳能电池组件,特别是一种透光型晶体硅太阳电池组件及其制备方法。
背景技术
随着光伏产业规模的不断扩大,在太阳电池制备过程中,印刷烧结完成后会产生大量的电池碎片或者局部有缺陷的电池片,这些电池片因达不到良品要求而被废弃,造成了大量的人工及材料浪费;另外,当太阳电池组件应用于一些较为特殊场所,如房屋的窗户、大厅的顶部、汽车天窗等,往往要求太阳电池组件在满足一定发电性能的同时,要具有良好的透光性,美观性以及易于安装等非电方面的性能。
发明内容
发明目的:本发明的目的在于解决现有的生产过程中的非良品电池片未得到有效利用,并且采用常规电池片的组件透光性不够的问题。
技术方案:本发明提供以下技术方案:一种透光型晶体硅太阳电池组件,包括依次层叠的正面封装玻璃层、正面EVA层、电池片组件层、背面EVA层和背面封装玻璃层,所述电池片组件层包括若干电池串并联汇流而成,每根电池串由若干条形电池片串联而成,所述条形电池片由不满足良品要求的保留主栅的电池片切割形成。
作为优化,相邻的条形电池片,一个条形电池片的正面主栅位置焊接的焊带连接另一个条形电池片的背面主栅。
作为优化,所述每个条形电池片宽度为2~20 mm,长度为20~156 mm,相邻的条形电池片之间距离为5~30 mm。
作为优化,所述相邻电池串之间预留距离5~20 mm。
作为优化,所述正面封装玻璃层和背面封装玻璃层均设置透明封装玻璃或透明背板。
一种制备百叶窗结构的透光型晶体硅太阳电池组件的方法,包括以下步骤:
1)将电池片按要求切割成带有主栅的条形电池片,条形电池片6宽度2~20mm,长度20~156mm;
2)将切割好的条形电池片串联焊接成电池串,条形电池片之间距离5~30 mm;
3)将电池串按要求摆放在铺设有正面EVA的正面封装玻璃上,电池串之间距离5~20mm;
4)在上述电池串上铺设背面EVA,盖上背面封装玻璃;
5)层压,得到具有百叶窗结构的透光型晶体硅太阳电池组件。
工作原理:随着光伏产业规模的不断扩大,在太阳电池制备过程中,印刷烧结完成后会产生大量的电池碎片或者局部有缺陷的电池片,这些电池片因达不到良品要求而被废弃,造成了大量的人工及材料浪费;而本发明采用不满足良品要求的保留主栅的电池片切割形成的条形电池片依然保有太阳能发电的功能,同时由于切割成条形,所以每个条形电池片占用面积更小,透光性更高。
有益效果:本发明与现有技术相比:通过对不满足良品要求的电池片的利用,有效地减小了电池制备过程中人工以及材料的浪费,节约了成本,同时,组件制备成百叶窗结构,在满足一定电学性能的同时,还满足了对透光性能及美观性能的要求,可以很好地应用于建筑物窗户、大厅顶部以及汽车天窗等特殊地方。
附图说明
图1为本发明的正面结构示意图;
图2为本发明的剖面结构示意图。
具体实施方式
如附图1和附图2所示一种透光型晶体硅太阳电池组件,包括依次层叠的正面封装玻璃层1、正面EVA层2、电池片组件层3、背面EVA层4和背面封装玻璃层5,所述电池片组件层3包括若干电池串5并联汇流而成,每根电池串6由若干条形电池片7串联而成,所述条形电池片7由不满足良品要求的保留主栅的电池片切割形成。相邻的条形电池片7,一个条形电池片7的正面主栅位置焊接的焊带连接另一个条形电池片7的背面主栅(未图示)。所述每个条形电池片7宽度为2 mm,长度为20 mm,相邻的条形电池片7之间距离为5 mm。所述相邻电池串6之间预留距离5 mm。所述正面封装玻璃层1和背面封装玻璃层5均设置透明封装玻璃或透明背板。
制备百叶窗结构的透光型晶体硅太阳电池组件的方法,包括以下步骤:
1)将电池片按要求切割成带有主栅的条形电池片7,条形电池片7宽度2mm,长度20mm;
2)将切割好的条形电池片7串联焊接成电池串6,条形电池片7之间距离5 mm;
3)将电池串6按要求摆放在铺设有正面EVA的正面封装玻璃上,电池串6之间距离5mm;
4)在上述电池串上铺设背面EVA,盖上背面封装玻璃;
5)层压,得到具有百叶窗结构的透光型晶体硅太阳电池组件。
随着光伏产业规模的不断扩大,在太阳电池制备过程中,印刷烧结完成后会产生大量的电池碎片或者局部有缺陷的电池片,这些电池片因达不到良品要求而被废弃,造成了大量的人工及材料浪费;而本发明采用不满足良品要求的保留主栅的电池片切割形成的条形电池片依然保有太阳能发电的功能,同时由于切割成条形,所以每个条形电池片占用面积更小,透光性更高。
Claims (6)
1.一种透光型晶体硅太阳电池组件,包括依次层叠的正面封装玻璃层、正面EVA层、电池片组件层、背面EVA层和背面封装玻璃层,其特征在于:所述电池片组件层包括若干电池串并联汇流而成,每根电池串由若干条形电池片串联而成,所述条形电池片由不满足良品要求的保留主栅的电池片切割形成。
2.根据权利要求1所述的透光型晶体硅太阳电池组件,其特征在于:相邻的条形电池片,一个条形电池片的正面主栅位置焊接的焊带连接另一个条形电池片的背面主栅。
3.根据权利要求1所述的透光型晶体硅太阳电池组件,其特征在于:所述每个条形电池片宽度为2~20 mm,长度为20~156 mm,相邻的条形电池片之间距离为5~30 mm。
4.根据权利要求1所述的透光型晶体硅太阳电池组件,其特征在于:所述相邻电池串之间预留距离5~20 mm。
5.根据权利要求1所述的透光型晶体硅太阳电池组件,其特征在于:所述正面封装玻璃层和背面封装玻璃层均设置透明封装玻璃或透明背板。
6.一种制备如权利要求1的产品的方法,其特征在于:包括以下步骤:
1)将电池片按要求切割成带有主栅的条形电池片,条形电池片宽度2~20mm,长度20~156mm;
2)将切割好的条形电池片串联焊接成电池串,条形电池片之间距离5~30 mm;
3)将电池串按要求摆放在铺设有正面EVA的正面封装玻璃上,电池串之间距离5~20mm;
4)在上述电池串上铺设背面EVA,盖上背面封装玻璃;
5)层压,得到具有百叶窗结构的透光型晶体硅太阳电池组件。
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CN105097975A (zh) * | 2015-09-06 | 2015-11-25 | 江苏东昇光伏科技有限公司 | 太阳能电池组件 |
CN113540292A (zh) * | 2021-07-20 | 2021-10-22 | 永臻科技(常州)有限公司 | 一种高效发电的光伏百叶片制造方法及光伏百叶片 |
CN113782643A (zh) * | 2021-09-13 | 2021-12-10 | 永臻科技(常州)有限公司 | 一种光伏百叶片的排布连接方法 |
CN114122172A (zh) * | 2021-11-23 | 2022-03-01 | 湖南红太阳新能源科技有限公司 | 双面晶硅光伏透光窗户、制造方法及窗帘系统 |
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CN105097975B (zh) * | 2015-09-06 | 2017-08-04 | 江苏东昇光伏科技有限公司 | 太阳能电池组件 |
CN113540292A (zh) * | 2021-07-20 | 2021-10-22 | 永臻科技(常州)有限公司 | 一种高效发电的光伏百叶片制造方法及光伏百叶片 |
CN113782643A (zh) * | 2021-09-13 | 2021-12-10 | 永臻科技(常州)有限公司 | 一种光伏百叶片的排布连接方法 |
CN113782643B (zh) * | 2021-09-13 | 2023-05-23 | 永臻科技股份有限公司 | 一种光伏百叶片的排布连接方法 |
CN114122172A (zh) * | 2021-11-23 | 2022-03-01 | 湖南红太阳新能源科技有限公司 | 双面晶硅光伏透光窗户、制造方法及窗帘系统 |
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