CN108735855A - 一种高反射焊带的制作方法 - Google Patents
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Abstract
本发明公开了一种高反射焊带的制作方法,涉及光伏电池技术领域,具体涉及一种高反射焊带的制作方法,本发明在普通涂锡铜带上涂覆白色高反射涂料,提高了涂锡焊带的反射率,简化了制作工艺流程。
Description
技术领域
本发明涉及光伏电池技术领域,具体涉及一种高反射焊带的制作方法。
背景技术
光伏焊带又称涂锡铜带或镀锡铜带,是光伏组件焊接过程中的重要原材料,分为汇流带和互连条,应用于光伏组件电池片之间的连接,发挥导电聚电的重要作用。焊带质量的好坏将直接影响到光伏组件电流的收集效率,对光伏组件的功率影响很大。
现有的光伏组件大多采用的涂锡焊带为普通涂锡铜带。涂锡铜带的可焊性能好,其采用优质的铜基材,电阻率低,保证了焊带电阻值低,不会引起组件功率损耗;同时还具有稳定的化学性能,焊料良好的流动和低温性能;且焊带表面光洁光亮,无锡渣,无针孔,无露铜;但涂锡铜带反射率较低,而电池片被涂锡铜带覆盖部分无法吸收太阳光,电池片可利用的反射光较少,故无法提高组件效率。
发明内容
本发明的目的是提供一种高反射焊带的制作方法,解决了现有普通涂锡铜带反射率不好的问题。
为实现上述目的,本发明采用以下技术方案:
一种高反射焊带的制作方法,包括如下步骤:
步骤1:设定光伏电池板带有主栅线的面为正面;
步骤2:将光伏电池板进行涂覆、串焊和固化操作;
步骤3:将光伏电池板进行组件排串和层叠加工。
所述步骤2的具体步骤如下:
步骤S1:将光伏电池板进行串焊,将串焊好的光伏电池板平放在操作台上,并将光伏电池板的正面朝上;
步骤S2:将高反射涂料以点胶、滚涂或喷涂的方法涂覆在光伏电池板的主栅线上的涂锡焊带上;
步骤S3:将涂覆好高反射涂料的光伏电池板放入固化炉,进行固化。
所述步骤2的具体步骤如下:
步骤S4:将涂锡焊带的长度裁剪为290mm;
步骤S5:将高反射涂料以点胶、滚涂或喷涂的方法涂覆在涂锡焊带上,其涂覆长度为120mm~160mm;
步骤S6:将涂覆好的涂锡焊带放入固化炉进行固化,其固化温度为100度~160度,固化时间为1分钟~15分钟;
步骤S7:利用固化好的涂锡焊带对光伏电池板进行串焊操作。
所述高反射涂料为BaSO4、BaCO3、TiO2、ZnO、CaCO3和ZrO2中的一种或几种的混合物。
所述高反射涂料在涂锡焊带上的涂覆厚度为5μm~200μm。
本发明所述的一种高反射焊带的制作方法,解决了现有普通涂锡铜带反射率不好的问题;本发明在普通涂锡铜带上涂覆白色高反射涂料,提高了涂锡焊带的反射率,简化了制作工艺流程。
附图说明
图1是本发明的未涂覆高反射涂料时光伏电池板的示意图;
图2是本发明的涂锡焊带未涂覆高反射涂料时的示意图;
图3是本发明的涂锡焊带涂覆高反射涂料后的示意图
图4是本发明的涂覆高反射涂料后的光伏电池板的示意图;
图中:光伏电池板1、主栅线2、涂锡焊带3。
具体实施方式
实施例一:
如图1和图4所示的一种高反射焊带的制作方法,包括如下步骤:
步骤1:设定光伏电池板1带有主栅线2的面为正面;
步骤2:将光伏电池板1进行涂覆、串焊和固化操作;
步骤3:将光伏电池板1进行组件排串和层叠加工。
所述步骤2的具体步骤如下:
步骤S1:将光伏电池板1进行串焊,将串焊好的光伏电池板1平放在操作台上,并将光伏电池板1的正面朝上;
步骤S2:将高反射涂料以点胶、滚涂或喷涂的方法涂覆在光伏电池板1的主栅线2上的涂锡焊带3上;
步骤S3:将涂覆好高反射涂料的光伏电池板1放入固化炉,进行固化。
所述高反射涂料为BaSO4、BaCO3、TiO2、ZnO、CaCO3和ZrO2中的一种或几种的混合物。
所述高反射涂料在涂锡焊带3上的涂覆厚度为5μm~200μm。
测试时,制作两种类型的3~4光伏电池板1小组件并分别设定为组件1和组件2,组件1是使用普通涂锡铜带制作的光伏电池板1组件,组件2是使用本发明所述的一种高反射焊带的制作方法制作的光伏电池板1组件。
组件1和组件2制作过程通过电池片串焊—层叠—引线—层压—打接线盒这五个步骤制作,不同的是组件2在电池片串焊之后在焊带上涂覆了一层TiO2白色高反射涂料,涂覆厚度为30μm。
组件1和组件2同时测试功率,得到数据如下表1所示:
表1
如表1所示,组件2与组件1相比,功率提升1.7%。
实施例二:
如图2、图3和图4所示,实施例二与实施例的不同之处在于:
所述步骤2的具体步骤如下:
步骤S4:将涂锡焊带3的长度裁剪为290mm;
步骤S5:将高反射涂料以点胶、滚涂或喷涂的方法涂覆在涂锡焊带3上,其涂覆长度为120mm~160mm;
步骤S6:将涂覆好的涂锡焊带3放入固化炉进行固化,其固化温度为100度~160度,固化时间为1分钟~15分钟;步骤S7:利用固化好的涂锡焊带3对光伏电池板1进行串焊操作。
本发明所述的一种高反射焊带的制作方法,解决了现有普通涂锡铜带反射率不好的问题;本发明在普通涂锡铜带上涂覆白色高反射涂料,提高了涂锡焊带的反射率,简化了制作工艺流程。
Claims (5)
1.一种高反射焊带的制作方法,其特征在于:包括如下步骤:
步骤1:设定光伏电池板(1)带有主栅线(2)的面为正面;
步骤2:将光伏电池板(1)进行涂覆、串焊和固化操作;
步骤3:将光伏电池板(1)进行组件排串和层叠加工。
2.如权利要求1所述的一种高反射焊带的制作方法,其特征在于:所述步骤2的具体步骤如下:
步骤S1:将光伏电池板(1)进行串焊,将串焊好的光伏电池板(1)平放在操作台上,并将光伏电池板(1)的正面朝上;
步骤S2:将高反射涂料以点胶、滚涂或喷涂的方法涂覆在光伏电池板(1)的主栅线(2)上的涂锡焊带(3)上;
步骤S3:将涂覆好高反射涂料的光伏电池板(1)放入固化炉,进行固化。
3.如权利要求1所述的一种高反射焊带的制作方法,其特征在于:所述步骤2的具体步骤如下:
步骤S4:将涂锡焊带(3)的长度裁剪为290mm;
步骤S5:将高反射涂料以点胶、滚涂或喷涂的方法涂覆在涂锡焊带(3)上,其涂覆长度为120mm~160mm;
步骤S6:将涂覆好的涂锡焊带(3)放入固化炉进行固化,其固化温度为100度~160度,固化时间为1分钟~15分钟;
步骤S7:利用固化好的涂锡焊带(3)对光伏电池板(1)进行串焊操作。
4.如权利要求2或权利要求3所述的一种高反射焊带的制作方法,其特征在于:所述高反射涂料为BaSO4、BaCO3、TiO2、ZnO、CaCO3和ZrO2中的一种或几种的混合物。
5.如权利要求2或权利要求3所述的一种高反射焊带的制作方法,其特征在于:所述高反射涂料在涂锡焊带(3)上的涂覆厚度为5μm~200μm。
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CN109904281A (zh) * | 2019-02-25 | 2019-06-18 | 泰州隆基乐叶光伏科技有限公司 | 一种具有反光焊带的光伏组件制作工艺 |
WO2023110146A3 (en) * | 2021-12-16 | 2023-08-17 | Alpha Assembly Solutions Inc. | Method of manufacturing a solar module |
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Cited By (3)
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CN109904281A (zh) * | 2019-02-25 | 2019-06-18 | 泰州隆基乐叶光伏科技有限公司 | 一种具有反光焊带的光伏组件制作工艺 |
CN109904281B (zh) * | 2019-02-25 | 2022-03-22 | 泰州隆基乐叶光伏科技有限公司 | 一种具有反光焊带的光伏组件制作工艺 |
WO2023110146A3 (en) * | 2021-12-16 | 2023-08-17 | Alpha Assembly Solutions Inc. | Method of manufacturing a solar module |
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