CN106992217A - 一种太阳能电池用具有光转化增透功能的超白浮法玻璃 - Google Patents
一种太阳能电池用具有光转化增透功能的超白浮法玻璃 Download PDFInfo
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Abstract
本发明公开一种太阳能电池用具有光转化增透功能的超白浮法玻璃，包括玻璃基板，玻璃基板的上、下表面均为平面，玻璃基板的上表面涂覆光转化增透膜层，光转化增透膜层为稀土金属离子掺杂纳米多孔氧化物，其中稀土金属离子的质量百分比含量为0.5～10%；所述稀土金属离子为Sm3+、Eu3+、Y3+与Er3+的其中一种或两种以上，纳米多孔氧化物为纳米多孔二氧化硅、纳米多孔氧化铝、纳米多孔氧化钛与纳米多孔氧化锆的其中一种或两种以上；一方面实现紫外光转化为电池组件可以利用的可见光，同时提高了光学透过率，提升电池转化效率；弥补了现有超白压花玻璃成本高、制作工艺复杂的不足，同时了解决了现有超白浮法玻璃透光率稍偏低、功率增加量不高的问题。
Description
技术领域
本发明涉及晶硅光伏电池组件技术领域，具体是一种太阳能电池用具有光转化增透功能的超白浮法玻璃。
背景技术
太阳能利用技术是本世纪能源领域重点研究的一个热门方向，太阳能光伏产业正以较快的速度增长，但是现阶段光伏发电难以推广的一个实际问题是价格太高。因此，要降低太阳能发电的成本，关键是要降低光伏组件的成本。
目前大规模生产的主要是晶硅太阳电池，晶硅太阳电池组件封装必须用到盖板玻璃。现在普遍采用的是一面压有较深花纹的超白压花玻璃，超白压花玻璃的制造是在玻璃板成型后，但玻璃尚未硬化时，用带有特殊花纹的钢棍碾压玻璃表面，形成具有一定形状的花纹玻璃，制作工艺复杂，成本高。使玻璃表面形成花纹的本意是想利用光在花纹中的陷光在增加透射，但是，现在光伏组件的生产中，玻璃上压花的那个面不是朝向太阳的，而是朝向电池板，并且和EVA胶片粘在一起，使得压花玻璃应有的高透光率大打折扣。
发明内容
针对现有技术的不足，本发明提供一种太阳能电池用具有光转化增透功能的超白浮法玻璃。
本发明解决其技术问题所采用的技术方案是：
一种太阳能电池用具有光转化增透功能的超白浮法玻璃，包括玻璃基板，玻璃基板的上、下表面均为平面，玻璃基板的上表面涂覆光转化增透膜层，光转化增透膜层为稀土金属离子掺杂纳米多孔氧化物，其中稀土金属离子的质量百分比含量为0.5～10%；所述稀土金属离子为Sm3+、Eu3+、Y3+与Er3+的其中一种或两种以上，纳米多孔氧化物为纳米多孔二氧化硅、纳米多孔氧化铝、纳米多孔氧化钛与纳米多孔氧化锆的其中一种或两种以上。
进一步的，所述光转化增透膜层的折射率为1.0～1.4。
进一步的，所述光转化增透膜层的厚度为60～200nm。
本发明的有益效果是，通过发明转换增透膜，一方面实现紫外光转化为电池组件可以利用的可见光，同时提高了光学透过率，实现转光增透复合功能，从而提升电池转化效率；弥补了现有太阳电池组件封装玻璃中普遍采用的超白压花玻璃成本高、制作工艺复杂的不足，同时了解决了现有超白浮法玻璃透光率稍偏低、功率增加量不高的问题，并且光转化增透膜层硬度更高，与玻璃基板的结合力更强，耐久性更好，另外成本低，便于大规模工业化推广。
附图说明
下面结合附图和实施例对本发明进一步说明：
图1是本发明的示意图。
具体实施方式
实施例一
如图1所示，本发明提供一种太阳能电池用具有光转化增透功能的超白浮法玻璃，包括玻璃基板1，玻璃基板1的上、下表面均为平面，玻璃基板1的上表面涂覆光转化增透膜层2，光转化增透膜层2为稀土金属离子掺杂纳米多孔氧化物，；所述稀土金属离子为Sm3+，Sm3+所占质量百分比含量为1%，纳米多孔氧化物为纳米多孔二氧化硅，光转化增透膜层2的厚度为118 nm，光转化增透膜层2的折射率为1.25。
实施例二
如图1所示，本发明提供一种太阳能电池用具有光转化增透功能的超白浮法玻璃，包括玻璃基板1，玻璃基板1的上、下表面均为平面，玻璃基板1的上表面涂覆光转化增透膜层2，光转化增透膜层2为稀土金属离子掺杂纳米多孔氧化物，；所述稀土金属离子为Er3+，Er3+所占质量百分比含量为6%，纳米多孔氧化物为纳米多孔氧化铝与纳米多孔氧化锆的复合物，光转化增透膜层2的厚度为92nm，光转化增透膜层2的折射率为1.30。
实施例三
如图1所示，本发明提供一种太阳能电池用具有光转化增透功能的超白浮法玻璃，包括玻璃基板1，玻璃基板1的上、下表面均为平面，玻璃基板1的上表面涂覆光转化增透膜层2，光转化增透膜层2为稀土金属离子掺杂纳米多孔氧化物，；所述稀土金属离子为Er3+与Y3+，Er3+与Y3+所占质量百分比含量为3.7%，纳米多孔氧化物为纳米多孔氧化钛，光转化增透膜层2的厚度为160nm，光转化增透膜层2的折射率为1.2。
实施例四
如图1所示，本发明提供一种太阳能电池用具有光转化增透功能的超白浮法玻璃，包括玻璃基板1，玻璃基板1的上、下表面均为平面，玻璃基板1的上表面涂覆光转化增透膜层2，光转化增透膜层2为稀土金属离子掺杂纳米多孔氧化物，；所述稀土金属离子为Y3+、Er3+与Eu3+，Y3+、Er3+与Eu3+所占质量百分比含量为2.9%，纳米多孔氧化物为纳米多孔氧化钛与纳米多孔氧化铝的复合物，光转化增透膜层2的厚度为125nm，光转化增透膜层2的折射率为1.23。
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制；任何熟悉本领域的技术人员，在不脱离本发明技术方案范围情况下，都可利用上述揭示的方法和技术内容对本发明技术方案做出许多可能的变动和修饰，或修改为等同变化的等效实施例。因此，凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所做的任何简单修改、等同替换、等效变化及修饰，均仍属于本发明技术方案保护的范围内。
Claims (3)
1.一种太阳能电池用具有光转化增透功能的超白浮法玻璃，包括玻璃基板，其特征在于，所述玻璃基板的上、下表面均为平面，玻璃基板的上表面涂覆光转化增透膜层，光转化增透膜层为稀土金属离子掺杂纳米多孔氧化物，其中稀土金属离子的质量百分比含量为0.5～10%；所述稀土金属离子为Sm3+、Eu3+、Y3+与Er3+的其中一种或两种以上，纳米多孔氧化物为纳米多孔二氧化硅、纳米多孔氧化铝、纳米多孔氧化钛与纳米多孔氧化锆的其中一种或两种以上。
2.根据权利要求1所述的一种太阳能电池用具有光转化增透功能的超白浮法玻璃，其特征在于，所述光转化增透膜层的折射率为1.0～1.4。
3.根据权利要求1或2所述的一种太阳能电池用具有光转化增透功能的超白浮法玻璃，其特征在于，所述光转化增透膜层的厚度为60～200nm。
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| CN201773856U (zh) * | 2010-05-26 | 2011-03-23 | 信义超白光伏玻璃(东莞)有限公司 | 太阳能电池的下转换发光结构 |
| CN202513161U (zh) * | 2012-01-19 | 2012-10-31 | 蚌埠玻璃工业设计研究院 | 一种用于晶硅光伏电池组件封装的超白浮法玻璃 |
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| CN101136444A (zh) * | 2006-08-25 | 2008-03-05 | 通用电气公司 | 薄膜硅太阳能电池中的纳米线 |
| US20080169017A1 (en) * | 2007-01-11 | 2008-07-17 | General Electric Company | Multilayered Film-Nanowire Composite, Bifacial, and Tandem Solar Cells |
| CN201773856U (zh) * | 2010-05-26 | 2011-03-23 | 信义超白光伏玻璃(东莞)有限公司 | 太阳能电池的下转换发光结构 |
| CN202513161U (zh) * | 2012-01-19 | 2012-10-31 | 蚌埠玻璃工业设计研究院 | 一种用于晶硅光伏电池组件封装的超白浮法玻璃 |
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