CN106024949A - 一种具有高透射性的太阳能电池背板 - Google Patents
一种具有高透射性的太阳能电池背板 Download PDFInfo
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- 230000032683 aging Effects 0.000 description 5
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
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- 239000010409 thin film Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明涉及一种具有高透射性的太阳能电池背板，包括聚酯薄膜，于所述聚酯薄膜的一侧通过粘结层粘接耐候层，在所述耐候层的表面设置曲面反光层，所述聚酯薄膜的另一侧也通过粘结层粘接耐候粘结层，于所述聚酯薄膜的表面设置增透膜，所述增透膜采用氧化镁、氧化钛、硫化铅混合制成。本发明太阳能电池背板的耐候层材料为含氟耐候层，其具有成本低，环保性能好，其力学性能、粘结强度也比传统背板好，背板结构更为稳定，对整个太阳能支撑保护作用更加突出，本发明通过在聚酯薄膜表面设置增透膜，其不仅实现了太阳能背板薄膜化，还有效提高了薄膜的透射性，曲面反光层能有效反射高温光，防止太阳能背板过热。
Description
技术领域
本发明涉及太阳能电池领域，尤其涉及一种具有高透射性的太阳能电池背板。
背景技术
太阳能作为一种绿色环保、取之不尽的能源，无疑是取代传统火力发电的最佳选择，由于太阳能电池需要长期暴露在室外实用，所以光伏组件中的电池片需要加以保护，来防止大气中的水汽、氧气、紫外线等环境因素的影响和俯视。太阳能背板是整个太阳能电池的配件之一，主要起力学支撑和保护电池片免受环境因素渗透的作用，目前现有结构的太阳能背板性能不稳定，反射率、抗老化性能、阻水性能差，结构复杂导致加工复杂、使生产成本增加，另外现有的太阳能背板结构中层与层之间无法实现薄膜化。
发明内容
本申请人针对上述现有问题，进行了研究改进，提供一种具有高透射性的太阳能电池背板，其有效实现了太阳能电池背板的薄膜化，不仅减少了光的反射，还增加了透射性。
本发明所采用的技术方案如下：
一种具有高透射性的太阳能电池背板，包括聚酯薄膜，于所述聚酯薄膜的一侧通过粘结层粘接耐候层，在所述耐候层的表面设置曲面反光层，所述聚酯薄膜的另一侧也通过粘结层粘接耐候粘结层，于所述聚酯薄膜的表面设置增透膜，所述增透膜采用氧化镁、氧化钛、硫化铅混合制成。
其进一步技术方案在于：
所述氧化镁、氧化钛、硫化铅的混合比例为1：1：3；
所述耐候层的厚度为10～50微米；
所述耐候粘结层的厚度为40～60微米。
本发明的有益效果如下：
本发明太阳能电池背板的耐候层材料为含氟耐候层，其具有成本低，环保性能好，其力学性能、粘结强度也比传统背板好，背板结构更为稳定，对整个太阳能支撑保护作用更加突出，本发明提供的太阳能电池背板明显优于现有背板，聚酯薄膜的设置提高了电气绝缘性、水气阻隔性，其耐湿热耐老化性能高，其具有寿命长，耐候性高、高反射率及出色的抗老化性能，本发明通过在聚酯薄膜表面设置增透膜，其不仅实现了太阳能背板薄膜化，还有效提高了薄膜的透射性，曲面反光层能有效反射高温光，防止太阳能背板过热。
附图说明
图1为本发明的结构示意图。
其中：1、耐候层；2、粘结层；3、聚酯薄膜；4、耐候粘结层；5、曲面反光层。
具体实施方式
下面结合附图，说明本发明的具体实施方式。
一种具有高透射性的太阳能电池背板包括聚酯薄膜3，于聚酯薄膜3的一侧通过粘结层2粘接耐候层1，在耐候层1的表面设置曲面反光层5，聚酯薄膜3的另一侧也通过粘结层2粘接耐候粘结层4，于聚酯薄膜3的表面设置增透膜，增透膜采用氧化镁、氧化钛、硫化铅混合制成，氧化镁、氧化钛、硫化铅的混合比例为1：1：3，耐候层1的厚度为10～50微米，耐候粘结层4的厚度为40～60微米。
本发明太阳能电池背板的耐候层材料为含氟耐候层，其具有成本低，环保性能好，其力学性能、粘结强度也比传统背板好，背板结构更为稳定，对整个太阳能支撑保护作用更加突出，本发明提供的太阳能电池背板明显优于现有背板，聚酯薄膜的设置提高了电气绝缘性、水气阻隔性，其耐湿热耐老化性能高，其具有寿命长，耐候性高、高反射率及出色的抗老化性能，本发明通过在聚酯薄膜表面设置增透膜，其不仅实现了太阳能背板薄膜化，还有效提高了薄膜的透射性，曲面反光层能有效反射高温光，防止太阳能背板过热。
以上描述是对本发明的解释，不是对发明的限定，本发明所限定的范围参见权利要求，在不违背本发明的基本结构的情况下，本发明可以作任何形式的修改。
Claims (4)
1.一种具有高透射性的太阳能电池背板，其特征在于：包括聚酯薄膜(3)，于所述聚酯薄膜(3)的一侧通过粘结层(2)粘接耐候层(1)，在所述耐候层(1)的表面设置曲面反光层(5)，所述聚酯薄膜(3)的另一侧也通过粘结层(2)粘接耐候粘结层(4)，于所述聚酯薄膜(3)的表面设置增透膜，所述增透膜采用氧化镁、氧化钛、硫化铅混合制成。
2.如权利要求1所述的一种具有高透射性的太阳能电池背板，其特征在于：所述氧化镁、氧化钛、硫化铅的混合比例为1：1：3。
3.如权利要求1所述的一种具有高透射性的太阳能电池背板，其特征在于：所述耐候层(1)的厚度为10～50微米。
4.如权利要求1所述的一种具有高透射性的太阳能电池背板，其特征在于：所述耐候粘结层(4)的厚度为40～60微米。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352133A (zh) * | 2022-09-01 | 2022-11-18 | 常熟宏巨新材料科技有限公司 | 一种耐黄变防霉聚氨酯薄膜及其制备方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201994307U (zh) * | 2011-03-25 | 2011-09-28 | 宁波启鑫光电有限公司 | 太阳能电池组件 |
| CN202088586U (zh) * | 2011-04-21 | 2011-12-28 | 杭州和顺塑业有限公司 | 太阳能背板专用聚酯薄膜 |
| CN102569451A (zh) * | 2010-10-20 | 2012-07-11 | 苏州尚善新材料科技有限公司 | 含非溶剂型粘合层的太阳能电池组件背板及其制造方法 |
| CN204361112U (zh) * | 2015-02-06 | 2015-05-27 | 湖北友邦电子材料有限公司 | 一种太阳能电池背板 |
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- 2016-07-26 CN CN201610595623.7A patent/CN106024949A/zh active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102569451A (zh) * | 2010-10-20 | 2012-07-11 | 苏州尚善新材料科技有限公司 | 含非溶剂型粘合层的太阳能电池组件背板及其制造方法 |
| CN201994307U (zh) * | 2011-03-25 | 2011-09-28 | 宁波启鑫光电有限公司 | 太阳能电池组件 |
| CN202088586U (zh) * | 2011-04-21 | 2011-12-28 | 杭州和顺塑业有限公司 | 太阳能背板专用聚酯薄膜 |
| CN204361112U (zh) * | 2015-02-06 | 2015-05-27 | 湖北友邦电子材料有限公司 | 一种太阳能电池背板 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352133A (zh) * | 2022-09-01 | 2022-11-18 | 常熟宏巨新材料科技有限公司 | 一种耐黄变防霉聚氨酯薄膜及其制备方法 |
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