CN106206796A - 一种高转化率太阳能背板结构 - Google Patents

一种高转化率太阳能背板结构 Download PDF

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CN106206796A
CN106206796A CN201610595600.6A CN201610595600A CN106206796A CN 106206796 A CN106206796 A CN 106206796A CN 201610595600 A CN201610595600 A CN 201610595600A CN 106206796 A CN106206796 A CN 106206796A
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黄新东
丁峰
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Wuxi Zhongjie Energy Technology Co Ltd
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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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    • 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
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    • 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
    • B32B27/08—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 of synthetic resin
    • 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
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract

本发明涉及一种高转化率太阳能背板结构，包括聚酯薄膜，于所述聚酯薄膜的一侧顺序通过粘结层粘接耐候层，所述聚酯薄膜的另一侧也通过粘结层粘接耐候粘结层，所述聚酯薄膜为带有圆扁形空洞的聚酯膜，所述圆扁形空洞由非热塑性树脂与聚酯树脂相容拉伸形成，所述空洞波长为600～1300nm。本发明太阳能电池背板的耐候层材料为含氟耐候层，其具有成本低，环保性能好，其力学性能、粘结强度也比传统背板好，背板结构更为稳定，对整个太阳能支撑保护作用更加突出，本发明中聚酯薄膜含有空洞，其不仅在可见光区域中具有高转换反射率，同时还在近红外区域中也获得较高的反射率。

Description

一种高转化率太阳能背板结构
技术领域
本发明涉及太阳能组件领域，尤其涉及一种高转化率太阳能背板结构。
背景技术
太阳能作为一种绿色环保、取之不尽的能源，无疑是取代传统火力发电的最佳选择，由于太阳能电池需要长期暴露在室外实用，所以光伏组件中的电池片需要加以保护，来防止大气中的水汽、氧气、紫外线等环境因素的影响和俯视。太阳能背板是整个太阳能电池的配件之一，主要起力学支撑和保护电池片免受环境因素渗透的作用，目前现有结构的太阳能背板性能不稳定，反射率、抗老化性能、阻水性能差，结构复杂导致加工复杂、使生产成本增加，另外现有的太阳能背板结构中无法获得较高的转换效率，尤其是提高近红外区域中的高反射率。
发明内容
本申请人针对上述现有问题，进行了研究改进，提供一种高转化率太阳能背板结构，其不仅具有较高的反射率，同时还具有小的反射指向性。
本发明所采用的技术方案如下：
一种高转化率太阳能背板结构，包括聚酯薄膜，于所述聚酯薄膜的一侧顺序通过粘结层粘接耐候层，所述聚酯薄膜的另一侧也通过粘结层粘接耐候粘结层，所述聚酯薄膜为带有圆扁形空洞的聚酯膜，所述圆扁形空洞由非热塑性树脂与聚酯树脂相容拉伸形成，所述空洞波长为600～1300nm。
其进一步技术方案在于：
所述聚酯薄膜的厚度为0.02～0.1mm；
所述耐候层的厚度为10～50微米；
所述耐候粘结层的厚度为40～60微米。
本发明的有益效果如下：
本发明太阳能电池背板的耐候层材料为含氟耐候层，其具有成本低，环保性能好，其力学性能、粘结强度也比传统背板好，背板结构更为稳定，对整个太阳能支撑保护作用更加突出，本发明提供的太阳能电池背板明显优于现有背板，聚酯薄膜的设置提高了电气绝缘性、水气阻隔性，其耐湿热耐老化性能高，其具有寿命长，耐候性高、高反射率及出色的抗老化性能，本发明中聚酯薄膜含有空洞，其不仅在在可见光区域中具有高转换反射率，同时还在近红外区域中也获得较高的反射率。
附图说明
图1为本发明的结构示意图。
其中：1、耐候层；2、粘结层；3、聚酯薄膜；4、耐候粘结层。
具体实施方式
下面结合附图，说明本发明的具体实施方式。
如图1所示，一种高转化率太阳能背板结构包括聚酯薄膜3，于聚酯薄膜3的一侧顺序通过粘结层2粘接耐候层1，聚酯薄膜3的另一侧也通过粘结层2粘接耐候粘结层4，聚酯薄膜3为带有圆扁形空洞的聚酯膜，圆扁形空洞由非热塑性树脂与聚酯树脂相容拉伸形成，空洞波长为600～1300nm。聚酯薄膜的厚度为0.02～0.1mm。耐候层1的厚度为10～50微米。耐候粘结层4的厚度为40～60微米。
本发明太阳能电池背板的耐候层材料为含氟耐候层，其具有成本低，环保性能好，其力学性能、粘结强度也比传统背板好，背板结构更为稳定，对整个太阳能支撑保护作用更加突出，本发明提供的太阳能电池背板明显优于现有背板，聚酯薄膜的设置提高了电气绝缘性、水气阻隔性，其耐湿热耐老化性能高，其具有寿命长，耐候性高、高反射率及出色的抗老化性能，本发明中聚酯薄膜含有空洞，其不仅在在可见光区域中具有高转换反射率，同时还在近红外区域中也获得较高的反射率。
以上描述是对本发明的解释，不是对发明的限定，本发明所限定的范围参见权利要求，在不违背本发明的基本结构的情况下，本发明可以作任何形式的修改。

Claims (4)

1.一种高转化率太阳能背板结构，其特征在于：包括聚酯薄膜(3)，于所述聚酯薄膜(3)的一侧顺序通过粘结层(2)粘接耐候层(1)，所述聚酯薄膜(3)的另一侧也通过粘结层(2)粘接耐候粘结层(4)，所述聚酯薄膜(3)为带有圆扁形空洞的聚酯膜，所述圆扁形空洞由非热塑性树脂与聚酯树脂相容拉伸形成，所述空洞波长为600～1300nm。
2.如权利要求1所述的一种高转化率太阳能背板结构，其特征在于：所述聚酯薄膜的厚度为0.02～0.1mm。
3.如权利要求1所述的一种高转化率太阳能背板结构，其特征在于：所述耐候层(1)的厚度为10～50微米。
4.如权利要求1所述的一种高转化率太阳能背板结构，其特征在于：所述耐候粘结层(4)的厚度为40～60微米。
CN201610595600.6A 2016-07-26 2016-07-26 一种高转化率太阳能背板结构 Pending CN106206796A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102549053A (zh) * 2009-09-29 2012-07-04 东洋纺织株式会社 太阳能电池用聚酯膜
CN103074023A (zh) * 2013-01-24 2013-05-01 浙江晶茂科技有限公司 胶黏剂组合物及其制备方法和在太阳能电池背板的应用
JP2015095657A (ja) * 2013-11-14 2015-05-18 上海和輝光電有限公司Ｅｖｅｒｄｉｓｐｌａｙ Ｏｐｔｒｏｎｉｃｓ （Ｓｈａｎｇｈａｉ） Ｌｉｍｉｔｅｄ 薄膜トランジスタの駆動バックプレート及びその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102549053A (zh) * 2009-09-29 2012-07-04 东洋纺织株式会社 太阳能电池用聚酯膜
CN103074023A (zh) * 2013-01-24 2013-05-01 浙江晶茂科技有限公司 胶黏剂组合物及其制备方法和在太阳能电池背板的应用
JP2015095657A (ja) * 2013-11-14 2015-05-18 上海和輝光電有限公司Ｅｖｅｒｄｉｓｐｌａｙ Ｏｐｔｒｏｎｉｃｓ （Ｓｈａｎｇｈａｉ） Ｌｉｍｉｔｅｄ 薄膜トランジスタの駆動バックプレート及びその製造方法

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