CN103270193B - 光电模块的背面覆盖件 - Google Patents
光电模块的背面覆盖件 Download PDFInfo
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- CN103270193B CN103270193B CN201180058895.9A CN201180058895A CN103270193B CN 103270193 B CN103270193 B CN 103270193B CN 201180058895 A CN201180058895 A CN 201180058895A CN 103270193 B CN103270193 B CN 103270193B
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- 239000000463 material Substances 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 12
- 239000000806 elastomer Substances 0.000 claims abstract description 11
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 5
- -1 polyethylene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 24
- 230000004888 barrier function Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- 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
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- 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
- H01L31/049—Protective back sheets
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- 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
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- 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
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- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Photovoltaic Devices (AREA)
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Abstract
本发明涉及一种用于在光电模块的背离光入射侧的一侧上密封光电模块的覆盖件,其中,所述覆盖件(4)包括薄膜(7),所述薄膜与光电模块的包含光敏元件(2)的层(1)连接。根据本发明,薄膜(7)由弹性体材料制成。优选涉及均一地由这种材料、尤其是EPDM制成的薄膜。
Description
技术领域
本发明涉及一种用于在光电模块的背离光入射侧的一侧上密封光电模块的覆盖件,其中,所述覆盖件包括薄膜,所述薄膜与光电模块的包含光敏元件的层连接。
背景技术
长期在户外运行的光电模块要满足多重要求。除了大气影响和紫外线照射,所述光电模块也必须抵抗由于空气污染的化学作用。大气影响除了通过湿气引起的负担外,也有由于风或冰雹造成的高机械负荷。因此光电模块的包含光敏元件的部分必须满足许多不同的要求,即所述部分必须对于紫外线或化学影响有足够的抵抗力,具有足够的机械强度,构成湿气阻挡、尤其是雾气屏障,并且最后足够地电绝缘。为了满足这许多要求,传统的用于密封光电模块的覆盖件具有以复杂的、多附层的结构的薄膜。
发明内容
本发明的任务在于,进一步简化光电模块的制造。
该任务通过开头提及的类型的用于背面密封的覆盖件解决,其特征在于,薄膜由弹性体材料制成。
出人意料地表明,仅需要唯一的由弹性体材料制成的作为覆盖件起作用的附层,以满足上面提到的许多要求。光电模块的构造相应地简化。
在本发明的一种特别优选的实施形式中,薄膜均一地由唯一一种弹性体材料制成。所述弹性体材料也可包括热塑性弹性体。
所述弹性体材料优选是EPDM(三元乙丙橡胶)。
适宜地,薄膜预制有用于与包含光敏元件的芯层连接的附层,所述连接尤其是焊接。
连接附层连续地施加到整个薄膜上并且与薄膜连接。优选,所述连接附层是聚乙烯附层,该聚乙烯附层构成附加的雾气屏障。
在本发明的一种特别优选的实施形式中,通过硫化与连接附层相接触的薄膜,所述连接附层附着在该薄膜上。这意味着,连接附层本身以薄膜形式施加到尚未硫化的薄膜上。在硫化薄膜的过程中形成牢固的连接。
在本发明的进一步设计中,薄膜的电导率通过以无机的不导电的填料代替弹性体混合物的碳黑成分而减小。
适宜地,薄膜的厚度处于0.6mm与1.3mm之间。优选,所述连接附层的厚度为100μm至300μm。
附图说明
接着借助实施例和与实施例有关的附图进一步解释本发明。在附图中:
图1在剖视图中示出带有按照本发明的覆盖件的光电模块;
图2在对背面的俯视图中示出光电模块的部分视图;
图3示出在图1的光电模块中使用的覆盖件的横截面的部分视图。
具体实施方式
由多层构造成的光电模块包括芯层1,在封闭薄膜9和10之间的部分串联部分并联联接的、将射入的光转换成电能的光敏元件2嵌入该芯层中。芯层1在光入射侧上通过由透光材料、例如玻璃制成的层3覆盖。在背离层3的一侧上,光电模块具有在背面密封芯层1的覆盖件4,连接导线5延伸通过该覆盖件。
框架状包围的边缘框6用于在边缘侧密封光电模块。块状的光电模块的边缘侧长度在该实施例中为0.6m×1.2m。
在图3中局部分开示出的覆盖件4包括由弹性体材料制成的薄膜7。在所示实施例中,该弹性体材料为EPDM。
覆盖件4预制有连接附层8,该连接附层在薄膜7上、在该薄膜的整个面向芯层1的面上附着,并且优选由不透雾气的(dampfundurchlaessig)聚乙烯制成。连接附层8在薄膜7上的附着基于,连接附层8以薄膜的形式敷设到还未硫化的薄膜7上,并且与构成连接附层8的薄膜相接触的薄膜7被硫化。
通过连接附层8,覆盖件4全平面地与芯层1焊接。在芯层1方面,在背面封闭芯层1的封闭薄膜9用于焊接接合。
芯层1可与透光的层3粘接。
上述的光电模块利用其背面的、由弹性体材料制造的覆盖件4满足了所有的与在户外持续运行的模块相关的要求。
Claims (11)
1.用于在光电模块的背离光入射侧的一侧上密封光电模块的覆盖件(4),其中,所述覆盖件(4)包括薄膜(7),所述薄膜与光电模块的芯层(1)连接,所述芯层包含光敏元件(2)和封闭薄膜(9、10),其特征在于,薄膜(7)由硫化的或热塑性的弹性体材料制成并且构成光电模块的背面末端覆盖件。
2.按照权利要求1所述的覆盖件,其特征在于,薄膜(7)均一地由一种弹性体材料制成。
3.按照权利要求1所述的覆盖件,其特征在于,薄膜(7)由EPDM制成。
4.按照权利要求2所述的覆盖件,其特征在于,薄膜(7)由EPDM制成。
5.按照权利要求1至4中任一项所述的覆盖件,其特征在于,薄膜(7)预制有用于与包含光敏元件(2)的芯层(1)连接的连接附层(8)。
6.按照权利要求5所述的覆盖件,其特征在于,所述连接附层(8)用于与芯层(1)焊接。
7.按照权利要求5所述的覆盖件,其特征在于,所述连接附层(8)在整个薄膜上连续地附着在薄膜(7)上。
8.按照权利要求5所述的覆盖件,其特征在于,所述连接附层(8)是聚乙烯附层。
9.按照权利要求5所述的覆盖件,其特征在于,通过硫化与连接附层(8)相接触的薄膜(7),所述连接附层(8)附着在该薄膜(7)上。
10.按照权利要求1至4中任一项所述的覆盖件,其特征在于,薄膜的厚度在0.6mm与1.3mm之间。
11.按照权利要求5所述的覆盖件,其特征在于,所述连接附层的厚度处于100μm与300μm之间。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010053621A DE102010053621A1 (de) | 2010-12-07 | 2010-12-07 | Rückseitenabdeckung eines Photovoltaikmoduls |
DE102010053621.0 | 2010-12-07 | ||
PCT/EP2011/006088 WO2012076146A1 (de) | 2010-12-07 | 2011-12-06 | Rückseitenabdeckung eines photovoltaikmoduls |
Publications (2)
Publication Number | Publication Date |
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CN103270193A CN103270193A (zh) | 2013-08-28 |
CN103270193B true CN103270193B (zh) | 2016-01-20 |
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CN201180058895.9A Expired - Fee Related CN103270193B (zh) | 2010-12-07 | 2011-12-06 | 光电模块的背面覆盖件 |
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KR (1) | KR20130130010A (zh) |
CN (1) | CN103270193B (zh) |
DE (1) | DE102010053621A1 (zh) |
WO (1) | WO2012076146A1 (zh) |
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JP2015179826A (ja) * | 2014-02-25 | 2015-10-08 | 日清紡メカトロニクス株式会社 | 太陽電池用セル割れ防止シート及びそれを用いた太陽電池モジュール |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101047212A (zh) * | 2006-03-30 | 2007-10-03 | 三洋电机株式会社 | 太阳电池组件和太阳电池组件的制造方法 |
CN101542746A (zh) * | 2006-12-04 | 2009-09-23 | 纳幕尔杜邦公司 | 包括使用具有低结块趋势的某种聚(乙烯醇缩丁醛)/薄膜双层封装层的太阳能电池及其简化的制备方法 |
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JPH09312408A (ja) * | 1996-05-23 | 1997-12-02 | Tokai Rubber Ind Ltd | 太陽電池モジュールの製法 |
EP1035591A1 (en) * | 1999-03-05 | 2000-09-13 | Coöperatief Advies en Onderzoeksburo u.a. Ecofys | Cover system for arranging on a surface one or more solar elements such as solar panels and/or solar thermal collectors |
US6883290B2 (en) * | 2002-02-20 | 2005-04-26 | Powerlight Corporation | Shingle system and method |
US20080053516A1 (en) * | 2006-08-30 | 2008-03-06 | Richard Allen Hayes | Solar cell modules comprising poly(allyl amine) and poly (vinyl amine)-primed polyester films |
WO2008137966A2 (en) * | 2007-05-07 | 2008-11-13 | Robert Stancel | Structures for low cost, reliable solar roofing |
US7902301B2 (en) * | 2007-07-30 | 2011-03-08 | Brp Manufacturing Company | Encapsulant materials and associated devices |
DE102009003849A1 (de) * | 2009-04-29 | 2010-11-04 | Contitech Elastomer-Beschichtungen Gmbh | Verbundmaterial und dessen Verwendung |
DE102009025275A1 (de) * | 2009-06-15 | 2010-12-30 | Kerafol Keramische Folien Gmbh | Solarzellenmodul |
EP2461973B9 (en) * | 2009-07-23 | 2015-04-29 | RENOLIT Belgium N.V. | Photovoltaic modules with polypropylene based backsheet |
EP2305746A1 (de) * | 2009-10-02 | 2011-04-06 | Sika Technology AG | Membran umfassend Solarzelle |
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- 2010-12-07 DE DE102010053621A patent/DE102010053621A1/de not_active Withdrawn
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- 2011-12-06 CN CN201180058895.9A patent/CN103270193B/zh not_active Expired - Fee Related
- 2011-12-06 WO PCT/EP2011/006088 patent/WO2012076146A1/de active Application Filing
- 2011-12-06 KR KR1020137017521A patent/KR20130130010A/ko not_active Application Discontinuation
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Publication number | Priority date | Publication date | Assignee | Title |
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CN101047212A (zh) * | 2006-03-30 | 2007-10-03 | 三洋电机株式会社 | 太阳电池组件和太阳电池组件的制造方法 |
CN101542746A (zh) * | 2006-12-04 | 2009-09-23 | 纳幕尔杜邦公司 | 包括使用具有低结块趋势的某种聚(乙烯醇缩丁醛)/薄膜双层封装层的太阳能电池及其简化的制备方法 |
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WO2012076146A1 (de) | 2012-06-14 |
CN103270193A (zh) | 2013-08-28 |
KR20130130010A (ko) | 2013-11-29 |
DE102010053621A1 (de) | 2012-06-14 |
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