CN104409539A - 一种光伏组件用封装胶膜 - Google Patents
一种光伏组件用封装胶膜 Download PDFInfo
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- CN104409539A CN104409539A CN201410791813.7A CN201410791813A CN104409539A CN 104409539 A CN104409539 A CN 104409539A CN 201410791813 A CN201410791813 A CN 201410791813A CN 104409539 A CN104409539 A CN 104409539A
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- photovoltaic module
- adhesive film
- packaging adhesive
- modified eva
- module packaging
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 23
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 8
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 8
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 8
- 238000000748 compression moulding Methods 0.000 claims abstract description 6
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 14
- 230000004927 fusion Effects 0.000 claims description 5
- 230000032683 aging Effects 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 abstract 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 abstract 4
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 abstract 1
- 229940124543 ultraviolet light absorber Drugs 0.000 abstract 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005693 optoelectronics Effects 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- -1 salicyl ester phenyl ester Chemical class 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Sealing Material Composition (AREA)
Abstract
本发明公开了一种光伏组件用封装胶膜,所述光伏组件用封装胶膜包括的原料及各原料的质量百分比为:EVA树脂80%-90%、抗氧剂3%-8%、紫外线吸收剂5%-10%、增粘剂1%-4%、交联剂1%-3%,将上述质量百分比的各原料混合均匀后,再经高温熔融挤出制得改性EVA树脂,最后经模压成型制得改性EVA胶膜。通过上述方式,本发明具有优异的耐紫外光老化性能和粘结性能,同时对可见光的透过率达到95%以上,能有效提高光伏组件的光电转化率和使用寿命。
Description
技术领域
本发明涉及太阳能光伏组件封装技术领域,特别是涉及一种光伏组件用封装胶膜。
背景技术
光伏组件(也叫太阳能电池板)是太阳能发电系统中的核心部分,也是太阳能发电系统中最重要的部分,其作用是将太阳能转化为电能,或送往蓄电池中存储起来,或推动负载工作。
太阳能光伏组件发电利用的是硅等半导体材料受到阳光照射时发生光生伏特效应,直接将太阳能辐射转换为电能。太阳能光伏组件中的核心部分硅电池本身寿命具有30年以上,然而对硅电池片起到固定、密封和保护作用的透明高分子封装胶在室外气候环境中会很快老化变黄,从而导致整个光伏组件的光电转化效率下降。因此,改善封装胶膜的性能是提高光伏组件光电转化效率和使用寿命的关键。
发明内容
本发明主要解决的技术问题是提供一种光伏组件用封装胶膜,具有优异的耐紫外光老化性能和粘结性能,同时对可见光的透过率达到95%以上,能有效提高光伏组件的光电转化率和使用寿命。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种光伏组件用封装胶膜,所述光伏组件用封装胶膜包括的原料及各原料的质量百分比为:EVA树脂80%-90%、抗氧剂3%-8%、紫外线吸收剂5%-10%、增粘剂1%-4%、交联剂1%-3%,将上述质量百分比的各原料混合均匀后,再经高温熔融挤出制得改性EVA树脂,最后经模压成型制得改性EVA胶膜。
在本发明一个较佳实施例中,所述EVA树脂的含量为80%-85%。
在本发明一个较佳实施例中,所述EVA树脂中VA的含量为30%-35%。
在本发明一个较佳实施例中,所述改性EVA胶膜的厚度为0.2-0.5mm。
本发明的有益效果是:本发明以EVA为基体,采用熔融挤出方式增加合理配比的抗氧剂、紫外线吸收剂、增粘剂和交联剂,获得改性EVA树脂,再经模压制得改性EVA胶膜,该改性EVA胶膜具有优异的耐紫外光老化性能和粘结性能,同时对可见光的透过率达到95%以上,能有效提高光伏组件的光电转化率和使用寿命。
具体实施方式
下面对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
本发明实施例包括:
实施例一:
一种光伏组件用封装胶膜,所述光伏组件用封装胶膜包括的原料及各原料的质量百分比为:EVA树脂80%、抗氧剂AO-1 4%、水杨酯苯酯4%、紫外线吸收剂UV-1164 6%、聚苯乙烯4%、二乙三胺 2%,将上述质量百分比的各原料混合均匀后,再经高温熔融挤出制得改性EVA树脂,最后经模压成型制得改性EVA胶膜。
其中,所述EVA树脂中VA的含量为30%。
所述改性EVA胶膜的厚度为0.2-0.5mm。
实施例二:
一种光伏组件用封装胶膜,所述光伏组件用封装胶膜包括的原料及各原料的质量百分比为:EVA树脂82%、抗氧剂AO-1 8%、水杨酯苯酯4%、紫外线吸收剂UV-1164 4%、聚苯乙烯1%、二乙三胺 1%,将上述质量百分比的各原料混合均匀后,再经高温熔融挤出制得改性EVA树脂,最后经模压成型制得改性EVA胶膜。
其中,所述EVA树脂中VA的含量为30%。
所述改性EVA胶膜的厚度为0.2-0.5mm。
实施例三:
一种光伏组件用封装胶膜,所述光伏组件用封装胶膜包括的原料及各原料的质量百分比为:EVA树脂85%、抗氧剂AO-1 3%、水杨酯苯酯2%、紫外线吸收剂UV-1164 3%、聚苯乙烯4%、二乙三胺 3%,将上述质量百分比的各原料混合均匀后,再经高温熔融挤出制得改性EVA树脂,最后经模压成型制得改性EVA胶膜。
其中,所述EVA树脂中VA的含量为35%。
所述改性EVA胶膜的厚度为0.2-0.5mm。
本发明揭示了一种光伏组件用封装胶膜,以EVA为基体,采用熔融挤出方式增加合理配比的抗氧剂、紫外线吸收剂、增粘剂和交联剂,获得改性EVA树脂,再经模压制得改性EVA胶膜,该改性EVA胶膜具有优异的耐紫外光老化性能和粘结性能,同时对可见光的透过率达到95%以上,能有效提高光伏组件的光电转化率和使用寿命。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (4)
1.一种光伏组件用封装胶膜,其特征在于,所述光伏组件用封装胶膜包括的原料及各原料的质量百分比为:EVA树脂80%-90%、抗氧剂3%-8%、紫外线吸收剂5%-10%、增粘剂1%-4%、交联剂1%-3%,将上述质量百分比的各原料混合均匀后,再经高温熔融挤出制得改性EVA树脂,最后经模压成型制得改性EVA胶膜。
2.根据权利要求1所述的光伏组件用封装胶膜,其特征在于,所述EVA树脂的含量为80%-85%。
3.根据权利要求1或2所述的光伏组件用封装胶膜,其特征在于,所述EVA树脂中VA的含量为30%-35%。
4.根据权利要求1所述的光伏组件用封装胶膜,其特征在于,所述改性EVA胶膜的厚度为0.2-0.5mm。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107337848A (zh) * | 2017-08-01 | 2017-11-10 | 安徽恒瑞新能源股份有限公司 | 太阳能电池板封装材料 |
CN115011282A (zh) * | 2022-05-20 | 2022-09-06 | 杭州福斯特应用材料股份有限公司 | 一种封装胶膜的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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TW200906613A (en) * | 2007-08-07 | 2009-02-16 | Golden Sunshine Science & Amp Technology Co Ltd | A production formulation for a packaging film for solar cell |
JP2011044626A (ja) * | 2009-08-24 | 2011-03-03 | Bridgestone Corp | 太陽電池封止膜及びこれを用いた太陽電池 |
CN102504713A (zh) * | 2011-11-21 | 2012-06-20 | 常熟阿特斯阳光电力科技有限公司 | 一种新型耐紫外线的eva胶膜 |
CN102775939A (zh) * | 2012-08-21 | 2012-11-14 | 东方电气集团东方汽轮机有限公司 | 一种太阳能电池封装胶膜 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200906613A (en) * | 2007-08-07 | 2009-02-16 | Golden Sunshine Science & Amp Technology Co Ltd | A production formulation for a packaging film for solar cell |
JP2011044626A (ja) * | 2009-08-24 | 2011-03-03 | Bridgestone Corp | 太陽電池封止膜及びこれを用いた太陽電池 |
CN102504713A (zh) * | 2011-11-21 | 2012-06-20 | 常熟阿特斯阳光电力科技有限公司 | 一种新型耐紫外线的eva胶膜 |
CN102775939A (zh) * | 2012-08-21 | 2012-11-14 | 东方电气集团东方汽轮机有限公司 | 一种太阳能电池封装胶膜 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107337848A (zh) * | 2017-08-01 | 2017-11-10 | 安徽恒瑞新能源股份有限公司 | 太阳能电池板封装材料 |
CN115011282A (zh) * | 2022-05-20 | 2022-09-06 | 杭州福斯特应用材料股份有限公司 | 一种封装胶膜的制备方法 |
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