CN110682647A - 一种光电转换效率高的光伏组件用封装胶膜 - Google Patents
一种光电转换效率高的光伏组件用封装胶膜 Download PDFInfo
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Abstract
本发明涉及光伏胶膜技术领域,尤其是一种光电转换效率高的光伏组件用封装胶膜,所述封装胶膜从上到下包括上透明EVA层、POE胶膜层和下透明EVA层,所述下透明EVA层的下表面涂覆有两层下转换材料,所述POE胶膜层的上表面成波浪形,所述波浪形由若干连续的弧形面构成,所述上透明EVA层和下透明EVA层内填充有若干光扩散粒子,所述上透明EVA层内的光扩散粒子的分布密度小于下透明EVA层内的光扩散粒子的分布密度;本发明中通过在下透明EVA层的下表面涂覆两层下转换材料,有效提高了光转换效率,同时可以降低每一层下转换材料中的转光剂的添加量,而且可以显著提高太阳能电池的输出功率,封装胶膜在400‑800nm波段内的透光率提高至96%,对电池效率具有显著增益。
Description
技术领域
本发明涉及光伏胶膜技术领域,尤其是一种光电转换效率高的光伏组件用封装胶膜。
背景技术
现有的光伏组件用封装胶膜,为了提高封装胶膜的抗紫外老化性能,通常会在背板表面涂覆抗紫外线膜层,传统的抗紫外线膜层的材料主要为氟膜/聚酯膜/氟膜构成的多层复合膜,但是这种复合膜层在紫外线的照射下,容易分解,导致背板的性能下降从而造成组件失效。封装胶膜的透光率直接影响电池组件的光电转换效率,所以本发明中从降低光学损失、提高太阳光利用率的目的出发,设计一种光电转换效率高的光伏组件用封装胶膜。
发明内容
本发明的目的是:克服现有技术中不足,提供一种抗紫外老化性能强、光电转换效率高的光伏组件用封装胶膜,该封装胶膜还具有光学损失低、太阳光利用率高的优点。
为解决上述技术问题,本发明采用的技术方案如下:
一种光电转换效率高的光伏组件用封装胶膜,所述封装胶膜从上到下包括上透明EVA层、POE胶膜层和下透明EVA层,所述下透明EVA层的下表面涂覆有两层下转换材料,所述POE胶膜层的上表面成波浪形,所述波浪形由若干连续的弧形面构成,所述上透明EVA层和下透明EVA层内填充有若干光扩散粒子,所述上透明EVA层内的光扩散粒子的分布密度小于下透明EVA层内的光扩散粒子的分布密度。
进一步的,所述下转换材料选用有机荧光染料,具体选用1,8-萘酰亚胺4-氯、1,8-萘酰亚胺4-甲氧基、1,8-萘酰亚胺4-苯氧基中的一种或几种。
进一步的,所述下转换材料中有机荧光染料的添加量为下转换材料的0.06-0.08%。
进一步的,所述下转换材料选用稀土金属元素,具体选用铕与丙烯酸聚合物和溶胶-凝胶包覆的铕螯合物与丙烯酸聚合物中的一种。
进一步的,所述下转换材料中稀土金属元素的添加量为下转换材料的0.05-0.06%。
进一步的,所述光扩散粒子的粒径大小为12-20μm,所述光扩散粒子在上透明EVA层和下透明EVA层内均匀分布。
进一步的,所述上透明EVA层和下透明EVA层的厚度分别为30-100μm、50-100μm,所述POE胶膜层的厚度为20-80μm。
进一步的,上透明EVA层和下透明EVA层的质量份组成如下: EVA树脂100份、硅烷偶联剂0.8-1.2份、咪唑类固化剂1.2-2.4份、抗氧化剂0.18-0.2份、改性填料10-20份、交联剂N,N-亚甲基双丙烯酰胺0.2-0.5份。
进一步的,所述改性填料选用阻燃树脂改性的蒙脱土或石墨。
进一步的,所述抗氧剂选用邻羟基苯甲酸苯酯和2-(2ˊ-羟基-5ˊ-甲基苯基)苯并三氮唑的混合物,其质量比为1.2-1.8:1。
采用本发明的技术方案的有益效果是:
本发明中通过在下透明EVA层的下表面涂覆两层下转换材料,有效提高了光转换效率,同时可以降低每一层下转换材料中的转光剂的添加量,而且可以显著提高太阳能电池的输出功率,封装胶膜在400-800nm波段内的透光率提高至96%,对电池效率具有显著增益。
本发明在上透明EVA层和下透明EVA层内设计一层POE胶膜层,可以降低封装胶膜的整体受热收缩率,从而提高封装胶膜的整体使用性能,同时在POE胶膜层的上表面设计若干连续的弧形,与现有的在胶膜表面设计若干锯齿结构相比,圆弧状的结构更有助于提高光的折射面积,从而显著提高封装胶膜对光的折射率,提高电池的光电转换效率。
具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂,下面结合具体实施方式对本发明作进一步详细的说明。
一种光电转换效率高的光伏组件用封装胶膜,所述封装胶膜从上到下包括上透明EVA层、POE胶膜层和下透明EVA层,所述下透明EVA层的下表面涂覆有两层下转换材料,所述POE胶膜层的上表面成波浪形,所述波浪形由若干连续的弧形面构成,所述上透明EVA层和下透明EVA层内填充有若干光扩散粒子,所述上透明EVA层内的光扩散粒子的分布密度小于下透明EVA层内的光扩散粒子的分布密度。本发明中通过在下透明EVA层的下表面涂覆两层下转换材料,有效提高了光转换效率,同时可以降低每一层下转换材料中的转光剂的添加量,而且可以显著提高太阳能电池的输出功率,封装胶膜在400-800nm波段内的透光率提高至96%,对电池效率具有显著增益。本发明在上透明EVA层和下透明EVA层内设计一层POE胶膜层,可以降低封装胶膜的整体受热收缩率,从而提高封装胶膜的整体使用性能,同时在POE胶膜层的上表面设计若干连续的弧形,与现有的在胶膜表面设计若干锯齿结构相比,圆弧状的结构更有助于提高光的折射面积,从而显著提高封装胶膜对光的折射率,提高电池的光电转换效率。
本发明中下转换材料选用有机荧光染料,具体选用1,8-萘酰亚胺4-氯、1,8-萘酰亚胺4-甲氧基、1,8-萘酰亚胺4-苯氧基中的一种或几种,优选为1,8-萘酰亚胺4-氯,1,8-萘酰亚胺4-氯由于氯原子的极性较大,所以1,8-萘酰亚胺4-氯具有较高的升华强度,而1,8-萘酰亚胺4-甲氧基、1,8-萘酰亚胺4-苯氧基则具有强烈的荧光性,可以提高胶膜的增白性能和耐光性能,延长胶膜的使用寿命。
本发明中下转换材料中有机荧光染料的添加量为下转换材料的0.06-0.08%,由于本发明中采用两层下转换材料,所以与现有技术相比,单层下转换材料中的添加量可以显著降低。
本发明中下转换材料选用稀土金属元素,具体选用铕与丙烯酸聚合物和溶胶-凝胶包覆的铕螯合物与丙烯酸聚合物中的一种,优选为溶胶-凝胶包覆的铕螯合物与丙烯酸聚合物。
本发明中下转换材料中稀土金属元素的添加量为下转换材料的0.05-0.06%,由于本发明中采用两层下转换材料,所以与现有技术相比,单层下转换材料中的添加量可以显著降低。
本发明中光扩散粒子的粒径大小为12-20μm,所述光扩散粒子在上透明EVA层和下透明EVA层内均匀分布,采用这样的结构,可以显著提高封装胶膜的对光的折射率,从而提高组件的光电转换效率。
本发明中上透明EVA层和下透明EVA层的厚度分别为30-100μm、50-100μm,所述POE胶膜层的厚度为20-80μm。
本发明中上透明EVA层和下透明EVA层的质量份组成如下: EVA树脂100份、硅烷偶联剂0.8-1.2份、咪唑类固化剂1.2-2.4份、抗氧化剂0.18-0.2份、改性填料10-20份、交联剂N,N-亚甲基双丙烯酰胺0.2-0.5份。
本发明中改性填料选用阻燃树脂改性的蒙脱土或石墨。
本发明中抗氧剂选用邻羟基苯甲酸苯酯和2-(2ˊ-羟基-5ˊ-甲基苯基)苯并三氮唑的混合物,其质量比为1.2-1.8:1。
本发明中的封装胶膜的制备方法为现有技术,本发明中不再赘述。
实施例1
一种光电转换效率高的光伏组件用封装胶膜,所述封装胶膜从上到下包括上透明EVA层、POE胶膜层和下透明EVA层,所述下透明EVA层的下表面涂覆有两层下转换材料,所述POE胶膜层的上表面成波浪形,所述波浪形由若干连续的弧形面构成,所述上透明EVA层和下透明EVA层内填充有若干光扩散粒子,所述上透明EVA层内的光扩散粒子的分布密度小于下透明EVA层内的光扩散粒子的分布密度。
其中,下转换材料选用有机荧光染料,具体选用1,8-萘酰亚胺4-氯、1,8-萘酰亚胺4-甲氧基。
其中,下转换材料中有机荧光染料的添加量为下转换材料的0.06%。
其中,光扩散粒子的粒径大小为12-20μm,所述光扩散粒子在上透明EVA层和下透明EVA层内均匀分布。
其中,上透明EVA层和下透明EVA层的厚度分别为30μm、100μm,所述POE胶膜层的厚度为80μm。
其中,上透明EVA层和下透明EVA层的质量份组成如下: EVA树脂100份、硅烷偶联剂0.8份、咪唑类固化剂1.2份、抗氧化剂0.18份、改性填料10-20份、交联剂N,N-亚甲基双丙烯酰胺0.2份。
其中,改性填料选用阻燃树脂改性的蒙脱土。
其中,抗氧剂选用邻羟基苯甲酸苯酯和2-(2ˊ-羟基-5ˊ-甲基苯基)苯并三氮唑的混合物,其质量比为1.2:1。
实施例2
一种光电转换效率高的光伏组件用封装胶膜,所述封装胶膜从上到下包括上透明EVA层、POE胶膜层和下透明EVA层,所述下透明EVA层的下表面涂覆有两层下转换材料,所述POE胶膜层的上表面成波浪形,所述波浪形由若干连续的弧形面构成,所述上透明EVA层和下透明EVA层内填充有若干光扩散粒子,所述上透明EVA层内的光扩散粒子的分布密度小于下透明EVA层内的光扩散粒子的分布密度。
其中,下转换材料选用有机荧光染料,具体选用1,8-萘酰亚胺4-苯氧基。
其中,下转换材料中有机荧光染料的添加量为下转换材料的0.06%。
其中,光扩散粒子的粒径大小为12-20μm,所述光扩散粒子在上透明EVA层和下透明EVA层内均匀分布。
其中,上透明EVA层和下透明EVA层的厚度分别为50μm、60μm,所述POE胶膜层的厚度为80μm。
其中,上透明EVA层和下透明EVA层的质量份组成如下: EVA树脂100份、硅烷偶联剂0.9份、咪唑类固化剂1.5份、抗氧化剂0.18份、改性填料12份、交联剂N,N-亚甲基双丙烯酰胺0.3份。
其中,改性填料选用阻燃树脂改性的蒙脱土。
其中,抗氧剂选用邻羟基苯甲酸苯酯和2-(2ˊ-羟基-5ˊ-甲基苯基)苯并三氮唑的混合物,其质量比为1.3:1。
实施例3
一种光电转换效率高的光伏组件用封装胶膜,所述封装胶膜从上到下包括上透明EVA层、POE胶膜层和下透明EVA层,所述下透明EVA层的下表面涂覆有两层下转换材料,所述POE胶膜层的上表面成波浪形,所述波浪形由若干连续的弧形面构成,所述上透明EVA层和下透明EVA层内填充有若干光扩散粒子,所述上透明EVA层内的光扩散粒子的分布密度小于下透明EVA层内的光扩散粒子的分布密度。
其中,下转换材料选用有机荧光染料,具体选用1,8-萘酰亚胺4-甲氧基。
其中,下转换材料中有机荧光染料的添加量为下转换材料的0.06-0.08%。
其中,光扩散粒子的粒径大小为12-20μm,所述光扩散粒子在上透明EVA层和下透明EVA层内均匀分布。
其中,上透明EVA层和下透明EVA层的厚度分别为100μm、50μm,所述POE胶膜层的厚度为20μm。
其中,上透明EVA层和下透明EVA层的质量份组成如下: EVA树脂100份、硅烷偶联剂1份、咪唑类固化剂1.8份、抗氧化剂0.19份、改性填料15份、交联剂N,N-亚甲基双丙烯酰胺0.3份。
其中,改性填料选用阻燃树脂改性的石墨。
其中,抗氧剂选用邻羟基苯甲酸苯酯和2-(2ˊ-羟基-5ˊ-甲基苯基)苯并三氮唑的混合物,其质量比为1.5:1。
实施例4
一种光电转换效率高的光伏组件用封装胶膜,所述封装胶膜从上到下包括上透明EVA层、POE胶膜层和下透明EVA层,所述下透明EVA层的下表面涂覆有两层下转换材料,所述POE胶膜层的上表面成波浪形,所述波浪形由若干连续的弧形面构成,所述上透明EVA层和下透明EVA层内填充有若干光扩散粒子,所述上透明EVA层内的光扩散粒子的分布密度小于下透明EVA层内的光扩散粒子的分布密度。
其中,下转换材料选用稀土金属元素,具体选用铕与丙烯酸聚合物。
其中,下转换材料中稀土金属元素的添加量为下转换材料的0.05%。
其中,光扩散粒子的粒径大小为12-20μm,所述光扩散粒子在上透明EVA层和下透明EVA层内均匀分布。
其中,上透明EVA层和下透明EVA层的厚度分别为80μm、100μm,所述POE胶膜层的厚度为50μm。
其中,上透明EVA层和下透明EVA层的质量份组成如下: EVA树脂100份、硅烷偶联剂1份、咪唑类固化剂1.8份、抗氧化剂0.19份、改性填料16份、交联剂N,N-亚甲基双丙烯酰胺0.4份。
其中,改性填料选用阻燃树脂改性的石墨。
其中,抗氧剂选用邻羟基苯甲酸苯酯和2-(2ˊ-羟基-5ˊ-甲基苯基)苯并三氮唑的混合物,其质量比为1.6:1。
实施例5
一种光电转换效率高的光伏组件用封装胶膜,所述封装胶膜从上到下包括上透明EVA层、POE胶膜层和下透明EVA层,所述下透明EVA层的下表面涂覆有两层下转换材料,所述POE胶膜层的上表面成波浪形,所述波浪形由若干连续的弧形面构成,所述上透明EVA层和下透明EVA层内填充有若干光扩散粒子,所述上透明EVA层内的光扩散粒子的分布密度小于下透明EVA层内的光扩散粒子的分布密度。
其中,下转换材料选用稀土金属元素,具体选用溶胶-凝胶包覆的铕螯合物与丙烯酸聚合物。
其中,下转换材料中稀土金属元素的添加量为下转换材料的0.06%。
其中,光扩散粒子的粒径大小为12-20μm,所述光扩散粒子在上透明EVA层和下透明EVA层内均匀分布。
其中,上透明EVA层和下透明EVA层的厚度分别为100μm、100μm,所述POE胶膜层的厚度为80μm。
其中,上透明EVA层和下透明EVA层的质量份组成如下: EVA树脂100份、硅烷偶联剂1.2份、咪唑类固化剂2.4份、抗氧化剂0.2份、改性填料20份、交联剂N,N-亚甲基双丙烯酰胺0.5份。
其中,改性填料选用阻燃树脂改性的蒙脱土。
其中,抗氧剂选用邻羟基苯甲酸苯酯和2-(2ˊ-羟基-5ˊ-甲基苯基)苯并三氮唑的混合物,其质量比为1.8:1。
本发明中通过在下透明EVA层的下表面涂覆两层下转换材料,有效提高了光转换效率,同时可以降低每一层下转换材料中的转光剂的添加量,而且可以显著提高太阳能电池的输出功率,封装胶膜在400-800nm波段内的透光率提高至96%,对电池效率具有显著增益。
本发明在上透明EVA层和下透明EVA层内设计一层POE胶膜层,可以降低封装胶膜的整体受热收缩率,从而提高封装胶膜的整体使用性能,同时在POE胶膜层的上表面设计若干连续的弧形,与现有的在胶膜表面设计若干锯齿结构相比,圆弧状的结构更有助于提高光的折射面积,从而显著提高封装胶膜对光的折射率,提高电池的光电转换效率。
以上述依据本发明的理想实施例为启示,通过上述的说明内容,相关工作人员完全可以在不偏离本项发明技术思想的范围内,进行多样的变更以及修改。凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。本项发明的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围来确定其技术性范围。
Claims (10)
1.一种光电转换效率高的光伏组件用封装胶膜,其特征在于:所述封装胶膜从上到下包括上透明EVA层、POE胶膜层和下透明EVA层,所述下透明EVA层的下表面涂覆有两层下转换材料,所述POE胶膜层的上表面成波浪形,所述波浪形由若干连续的弧形面构成,所述上透明EVA层和下透明EVA层内填充有若干光扩散粒子,所述上透明EVA层内的光扩散粒子的分布密度小于下透明EVA层内的光扩散粒子的分布密度。
2.根据权利要求1所述的一种光电转换效率高的光伏组件用封装胶膜,其特征在于:所述下转换材料选用有机荧光染料,具体选用1,8-萘酰亚胺4-氯、1,8-萘酰亚胺4-甲氧基、1,8-萘酰亚胺4-苯氧基中的一种或几种。
3.根据权利要求2所述的一种光电转换效率高的光伏组件用封装胶膜,其特征在于:所述下转换材料中有机荧光染料的添加量为下转换材料的0.06-0.08%。
4.根据权利要求1所述的一种光电转换效率高的光伏组件用封装胶膜,其特征在于:所述下转换材料选用稀土金属元素,具体选用铕与丙烯酸聚合物和溶胶-凝胶包覆的铕螯合物与丙烯酸聚合物中的一种。
5.根据权利要求3所述的一种光电转换效率高的光伏组件用封装胶膜,其特征在于:所述下转换材料中稀土金属元素的添加量为下转换材料的0.05-0.06%。
6.根据权利要求1所述的一种光电转换效率高的光伏组件用封装胶膜,其特征在于:所述光扩散粒子的粒径大小为12-20μm,所述光扩散粒子在上透明EVA层和下透明EVA层内均匀分布。
7.根据权利要求1所述的一种光电转换效率高的光伏组件用封装胶膜,其特征在于:所述上透明EVA层和下透明EVA层的厚度分别为30-100μm、50-100μm,所述POE胶膜层的厚度为20-80μm。
8.根据权利要求1所述的一种光电转换效率高的光伏组件用封装胶膜,其特征在于:上透明EVA层和下透明EVA层的质量份组成如下: EVA树脂100份、硅烷偶联剂0.8-1.2份、咪唑类固化剂1.2-2.4份、抗氧化剂0.18-0.2份、改性填料10-20份、交联剂N,N-亚甲基双丙烯酰胺0.2-0.5份。
9.根据权利要求8所述的一种光电转换效率高的光伏组件用封装胶膜,其特征在于:所述改性填料选用阻燃树脂改性的蒙脱土或石墨。
10.根据权利要求8所述的一种光电转换效率高的光伏组件用封装胶膜,其特征在于:所述抗氧剂选用邻羟基苯甲酸苯酯和2-(2ˊ-羟基-5ˊ-甲基苯基)苯并三氮唑的混合物,其质量比为1.2-1.8:1。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113980588A (zh) * | 2021-12-24 | 2022-01-28 | 杭州福斯特应用材料股份有限公司 | 封装胶膜及光伏组件 |
CN114763416A (zh) * | 2021-01-15 | 2022-07-19 | 上海共城通信科技有限公司 | 一种介于表面带tco层的光伏电池和光伏组件封装胶膜之间的转光薄膜 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN207637817U (zh) * | 2017-12-26 | 2018-07-20 | 北京中兑志远科技发展有限公司 | 一种封装光伏电池组件 |
CN207765457U (zh) * | 2017-12-10 | 2018-08-24 | 苏州爱康薄膜新材料有限公司 | 含光扩散粒子的三层共挤胶膜 |
CN108608703A (zh) * | 2012-05-16 | 2018-10-02 | 北欧化工公司 | 聚合物片材 |
CN108943936A (zh) * | 2018-07-23 | 2018-12-07 | 常州百佳年代薄膜科技股份有限公司 | 高透性三层共挤复合膜及其应用 |
-
2019
- 2019-10-21 CN CN201911000654.3A patent/CN110682647A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108608703A (zh) * | 2012-05-16 | 2018-10-02 | 北欧化工公司 | 聚合物片材 |
CN207765457U (zh) * | 2017-12-10 | 2018-08-24 | 苏州爱康薄膜新材料有限公司 | 含光扩散粒子的三层共挤胶膜 |
CN207637817U (zh) * | 2017-12-26 | 2018-07-20 | 北京中兑志远科技发展有限公司 | 一种封装光伏电池组件 |
CN108943936A (zh) * | 2018-07-23 | 2018-12-07 | 常州百佳年代薄膜科技股份有限公司 | 高透性三层共挤复合膜及其应用 |
Non-Patent Citations (1)
Title |
---|
李哲龙: "高效抗紫外太阳电池封装用EVA胶膜的研制", 《阳光能源》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114763416A (zh) * | 2021-01-15 | 2022-07-19 | 上海共城通信科技有限公司 | 一种介于表面带tco层的光伏电池和光伏组件封装胶膜之间的转光薄膜 |
CN113980588A (zh) * | 2021-12-24 | 2022-01-28 | 杭州福斯特应用材料股份有限公司 | 封装胶膜及光伏组件 |
WO2023115943A1 (zh) * | 2021-12-24 | 2023-06-29 | 杭州福斯特应用材料股份有限公司 | 封装胶膜及光伏组件 |
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