CN103579398A - 高效太阳能电池背膜 - Google Patents

高效太阳能电池背膜 Download PDF

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Publication number
CN103579398A
CN103579398A CN201210274474.6A CN201210274474A CN103579398A CN 103579398 A CN103579398 A CN 103579398A CN 201210274474 A CN201210274474 A CN 201210274474A CN 103579398 A CN103579398 A CN 103579398A
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Prior art keywords
solar cell
reflector
membrane
notacoria
reflection layer
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CN201210274474.6A
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石娜
戴宏程
李刚
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Changzhou Huitian New Materials Co Ltd
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Changzhou Huitian New Materials Co Ltd
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Priority to CN201210274474.6A priority Critical patent/CN103579398A/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
    • 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
    • Y02E10/52—PV systems with concentrators

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  • 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)
  • Photovoltaic Devices (AREA)

Abstract

本发明涉及太阳能电池技术领域，尤其是一种高效太阳能电池背膜。其包括膜体，膜体由PVC膜和PET板组成，PVC膜有两层，分别位于PET板的上下两侧，膜体内设有反射层。在PET板上部覆盖一层以玻璃珠反光膜为材质的反射层，可将透过电池的光反射回电池，从而大大提高电池的发电效率，延长使用寿命。

Description

高效太阳能电池背膜
技术领域
本发明涉及太阳能电池技术领域，尤其是一种高效太阳能电池背膜。
背景技术
随着不可再生能源的日渐紧缺，太阳能电池已作为传统电能生产方法的绿色替代方案，被用来利用太阳光产生电能，大量应用在各个领域。而作为太阳能电池组件的背膜对电池使用寿命，输出功率，安全可靠性起到关键作用，背膜位于太阳能电池板的背面，对电池片起到保护和支撑作用，而现有的背膜耐候性、阻水性、绝缘性和耐老化性比较差，无法保证电池的可靠性、稳定性和耐久性，影响性能和使用寿命。
发明内容
为了克服现有的太阳能电池背膜耐候性差，效率低，影响电池的性能和寿命的不足，本发明提供了一种高效太阳能电池背膜。
本发明解决其技术问题所采用的技术方案是：一种高效太阳能电池背膜，包括膜体，膜体由PVC膜和PET板组成，PVC膜有两层，分别位于PET板的上下两侧，膜体内设有反射层。
根据本发明的另一个实施例，进一步包括反射层的材质为玻璃珠反光膜。
根据本发明的另一个实施例，进一步包括反射层覆盖在PET板上部。
本发明的有益效果是，在PET板上部覆盖一层以玻璃珠反光膜为材质的反射层，可将透过电池的光反射回电池，从而大大提高电池的发电效率，延长使用寿命。
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是本发明的结构示意图。
图中1. 膜体，2. PVC膜，3. PET板，4. 反射层。
具体实施方式
如图1是本发明的结构示意图，一种高效太阳能电池背膜，包括膜体1，膜体1由PVC膜2和PET板3组成，PVC膜2有两层，分别位于PET板3的上下两侧，膜体1内设有反射层4。反射层4的材质为玻璃珠反光膜。反射层4覆盖在PET板3上部。
在PET板3上部覆盖一层以玻璃珠反光膜为材质的反射层4，可将透过电池的光反射回电池，从而大大提高电池的发电效率，延长使用寿命。

Claims (3)

1.一种高效太阳能电池背膜，包括膜体（1），膜体（1）由PVC膜（2）和PET板（3）组成，PVC膜（2）有两层，分别位于PET板（3）的上下两侧，其特征是，膜体（1）内设有反射层（4）。
2.根据权利要求1所述的高效太阳能电池背膜，其特征是，反射层（4）的材质为玻璃珠反光膜。
3.根据权利要求1所述的高效太阳能电池背膜，其特征是，反射层（4）覆盖在PET板（3）上部。 
CN201210274474.6A 2012-08-03 2012-08-03 高效太阳能电池背膜 Pending CN103579398A (zh)

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CN201210274474.6A CN103579398A (zh) 2012-08-03 2012-08-03 高效太阳能电池背膜

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CN201210274474.6A CN103579398A (zh) 2012-08-03 2012-08-03 高效太阳能电池背膜

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CN103579398A true CN103579398A (zh) 2014-02-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104356551A (zh) * 2014-11-14 2015-02-18 无锡中洁能源技术有限公司 一种太阳能电池用复合材料及其制备方法
CN105207605A (zh) * 2015-10-30 2015-12-30 天津英利新能源有限公司 一种反光光伏组件

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104356551A (zh) * 2014-11-14 2015-02-18 无锡中洁能源技术有限公司 一种太阳能电池用复合材料及其制备方法
CN105207605A (zh) * 2015-10-30 2015-12-30 天津英利新能源有限公司 一种反光光伏组件

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Application publication date: 20140212