CN112635605A - M10电池片光伏组件的制备方法 - Google Patents
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Abstract
本发明公开了一种M10电池片光伏组件的制备方法,在电池片电路连接步骤之前,对M10电池片进行二等分切割,使单个M10电池片切割成两个二分电池片;在电池片电路连接步骤中:由左至右并排排列六列二分电池片,每列二分电池片的数量为N,N不小于20;将同一列的二分电池片串联成电池串;由左至右每两串电池串成一组,将同一组的两串电池串并联成电池串组;将各个电池串组首尾依次串联;在最左侧电池串组的首端形成光伏组件的正极,在最右侧电池串组的尾端形成光伏组件的负极。本发明组件电流在整片基础上降低1/2,减少组件内部损耗,提高组件CTM;本发明可减少接线盒二极管数量,降低成本。
Description
技术领域
本发明涉及M10电池片光伏组件的制备方法。
背景技术
光伏行业电池片尺寸一直呈现递增的趋势,M10电池片就是一种尺寸较大的太阳能电池片,M10电池片的尺寸达到182×182mm,相对于当前主流G1(158.75*158.75mm)的电池片,单片面积增加了很多。
随着电池片面积的增大,单片电池片的电流也在增大,电流和面积基本成等比例增加,电流变大,组件内部损耗的功率变大,光伏***端的线损也变大。
发明内容
为解决现有技术的缺陷,本发明提供一种M10电池片光伏组件的制备方法,以M10电池片制备光伏组件,包括电池片电路连接步骤;
在电池片电路连接步骤之前,对M10电池片进行二等分切割,使单个M10电池片切割成两个二分电池片;M10电池片的尺寸为182×182mm;二分电池片的尺寸为182×91mm。
在电池片电路连接步骤中:由左至右并排排列六列二分电池片,每列二分电池片的数量为N,N不小于20;将同一列的二分电池片串联成电池串;由左至右每两串电池串成一组,将同一组的两串电池串并联成电池串组;将各个电池串组首尾依次串联;在最左侧电池串组的首端形成光伏组件的正极,在最右侧电池串组的尾端形成光伏组件的负极。
优选的,N的取值范围为20~30。
优选的,最左侧电池串组还并联有二极管,该二极管的负极与光伏组件的正极连接。
优选的,最右侧电池串组还并联有二极管,该二极管的正极与光伏组件的负极连接。
优选的,通过无损激光划片的方式对M10电池片进行二等分切割。
为了解决现有技术的缺陷,本发明从两方面着手:
①本发明通过无损激光划片的方式将M10电池片一切为二,切开后的电池的电压不变,电流变为原来整片的1/2,从而达到降低组件内部电流的目的,减少组件内部损耗的功率;
②本发明设计了新的电池片串并联方式:传统的设计为串联结构,本发明新的电路设计采用先并联再串联的结构。
基于上述对现有技术的改进,本发明具有如下优势:
1、本发明组件电流在整片基础上降低1/2,减少组件内部损耗,提高组件CTM。
2、本发明可减少接线盒二极管数量,降低成本。
3、本发明在组件正极和负极区域,各连接一个二极管,可防止热斑效应。
附图说明
图1是M10电池片的示意图;
图2是对M10电池片进行切割的示意图;
图3是电池片电路连接的示意图。
具体实施方式
下面结合附图和实施例,对本发明的具体实施方式作进一步描述。以下实施例仅用于更加清楚地说明本发明的技术方案,而不能以此来限制本发明的保护范围。
如图1至图3所示,本发明提供一种M10电池片光伏组件的制备方法,以M10电池片制备光伏组件,制备方法包括电池片电路连接步骤;
如图1所示,M10电池片的尺寸为182×182mm;
在电池片电路连接步骤之前,沿图2中的虚线对M10电池片进行二等分切割,使单个M10电池片切割成两个二分电池片,二分电池片的尺寸为182×91mm;具体地,可以通过无损激光划片的方式对M10电池片进行二等分切割;
连接步骤中:由左至右并排排列六列二分电池片,每列二分电池片的数量为N,N的取值范围为20~30;将同一列的二分电池片串联成电池串;由左至右每两串电池串成一组,将同一组的两串电池串并联成电池串组;将各个电池串组首尾依次串联;在最左侧电池串组的首端形成光伏组件的正极,在最右侧电池串组的尾端形成光伏组件的负极;给最左侧电池串组并联二极管,且该二极管的负极与光伏组件的正极连接;给最右侧电池串组也并联二极管,且该二极管的正极与光伏组件的负极连接。
本发明将原来的整片(M10电池片)一切为二,可降低单片电池电流。
本发明采用新的电路设计,有别于传统组件电路设计。
如图3所示,本发明电路设计具有如下特点:
1、一共有6列,每列电池片数量为N,N的取值范围为20~30;
2、每两串先并联,然后再串联;
3、电池片的大小为182×91mm,即M10电池片一切为二;
4、组件在正极和负极区域,各连接一个二极管,防止热斑效应。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明技术原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (7)
1.M10电池片光伏组件的制备方法,以M10电池片制备光伏组件,包括电池片电路连接步骤;其特征在于:
在电池片电路连接步骤之前,对M10电池片进行二等分切割,使单个M10电池片切割成两个二分电池片;
在电池片电路连接步骤中:由左至右并排排列六列二分电池片,每列二分电池片的数量为N,N不小于20;将同一列的二分电池片串联成电池串;由左至右每两串电池串成一组,将同一组的两串电池串并联成电池串组;将各个电池串组首尾依次串联;在最左侧电池串组的首端形成光伏组件的正极,在最右侧电池串组的尾端形成光伏组件的负极。
2.根据权利要求1所述的M10电池片光伏组件的制备方法,其特征在于,N的取值范围为20~30。
3.根据权利要求1所述的M10电池片光伏组件的制备方法,其特征在于,最左侧电池串组还并联有二极管,该二极管的负极与光伏组件的正极连接。
4.根据权利要求1所述的M10电池片光伏组件的制备方法,其特征在于,最右侧电池串组还并联有二极管,该二极管的正极与光伏组件的负极连接。
5.根据权利要求1所述的M10电池片光伏组件的制备方法,其特征在于,通过无损激光划片的方式对M10电池片进行二等分切割。
6.根据权利要求1所述的M10电池片光伏组件的制备方法,其特征在于,M10电池片的尺寸为182×182mm。
7.根据权利要求1所述的M10电池片光伏组件的制备方法,其特征在于,二分电池片的尺寸为182×91mm。
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Cited By (2)
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CN115101630A (zh) * | 2022-08-04 | 2022-09-23 | 保定嘉盛光电科技股份有限公司 | 一种幕墙用光伏组件 |
CN115224145A (zh) * | 2022-06-15 | 2022-10-21 | 英利能源发展有限公司 | 一种光伏电池串联结构及光伏电池串联方法 |
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CN115101630A (zh) * | 2022-08-04 | 2022-09-23 | 保定嘉盛光电科技股份有限公司 | 一种幕墙用光伏组件 |
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