WO2017049798A1 - Pid-resistant and wind sand resistant crystalline silicon solar cell assembly - Google Patents

Pid-resistant and wind sand resistant crystalline silicon solar cell assembly Download PDF

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WO2017049798A1
WO2017049798A1 PCT/CN2015/099479 CN2015099479W WO2017049798A1 WO 2017049798 A1 WO2017049798 A1 WO 2017049798A1 CN 2015099479 W CN2015099479 W CN 2015099479W WO 2017049798 A1 WO2017049798 A1 WO 2017049798A1
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solar cell
frame
pid
resistant
card frame
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PCT/CN2015/099479
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French (fr)
Chinese (zh)
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倪志春
魏青竹
蔡霞
许志翔
陈国清
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苏州腾晖光伏技术有限公司
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Priority to JP2018533990A priority Critical patent/JP2018527763A/en
Publication of WO2017049798A1 publication Critical patent/WO2017049798A1/en

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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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/10—Frame structures
    • 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

Definitions

  • the invention belongs to the field of photovoltaic solar cells, and in particular relates to an anti-PID wind-resistant sand crystal solar cell module.
  • Solar energy is an inexhaustible source of renewable energy for human beings. It is also a clean energy source and does not cause any environmental pollution.
  • solar photovoltaic utilization is the fastest growing and most dynamic research field in recent years.
  • the crystalline silicon solar cell is mainly based on a semiconductor material, and its working principle is to directly convert the light energy into electrical energy by utilizing the photoelectric conversion reaction after the photoelectric material absorbs the light energy.
  • the main structure of the conventional crystalline silicon solar module is: a tempered glass layer, an ethylene and vinyl acetate block copolymer, a battery sheet, a back sheet and an aluminum alloy frame, and the entire assembly has a weight of about 20 kg.
  • Recent studies have shown that the high voltage between the circuit present in the crystalline silicon photovoltaic module and its grounded metal frame will result in a sustained attenuation of the photovoltaic performance of the component.
  • the conventional anti-PID (Potential Induced Degradation) component has obvious power attenuation after 3-5 years of use, and the power attenuation during the life of the component is too much, and the life of the component is shortened, resulting in a significant decrease in the power generation of the power station.
  • the conventional conventional crystalline silicon component backboard generally adopts a double-coated type backing plate, and the sand falling sand test is generally about 5 L/ ⁇ m, the sand-resistant ability is weak, and the ordinary fluorine-containing backing plate has fluoride at the time of recycling. Produce a risk of fluoride contamination of the environment.
  • the object of the present invention is to provide an anti-PID weather-resistant crystalline silicon solar cell module in order to overcome the deficiencies of the prior art.
  • an anti-PID wind-resistant sand crystal solar cell module comprising a solar cell string, a polyolefin layer laminated on both sides of the solar cell string, and laminated on one of them. a front glass layer on the polyolefin layer, a back sheet laminated on the other polyolefin layer, a frame for sandwiching the back sheet and the front glass layer, and mounted on the back A junction box for connecting the solar cell string and the external line on the board.
  • the backing plate is made of polyamide.
  • the solar cell string is formed by connecting at least two solar cell sheets in series by at least one solder ribbon.
  • the frame includes a frame body, a card frame integrally formed with the frame body and located on an inner side surface thereof; the card frame has three paths respectively formed at a top, a bottom and a middle portion of a side surface of the frame body;
  • the card frame at the top of the side surface of the frame is a first card frame, and the card frame formed at the middle of the side surface of the frame body is a second card frame, and the card frame formed at the bottom of the side surface of the frame body is a third card frame.
  • the front glass layer and the back plate are sandwiched between the first card frame and the second card frame.
  • the polyolefin layer has a thickness of 0.25 to 0.8 mm.
  • the present invention has the following advantages over the prior art: the anti-PID weather-resistant silicon solar cell module of the present invention can reduce the water vapor transmission rate by providing a polyolefin layer on both sides of the solar cell string, thereby avoiding The phenomenon of ion migration occurring in the package material at high voltage increases the anti-PID performance of the component, and the PID phenomenon does not occur during the life of the component.
  • FIG. 1 is a schematic structural view of a PID weather-resistant sand crystal solar cell module according to the present invention
  • the anti-PID wind-resistant sand crystal solar cell module shown in FIG. 1 mainly comprises a solar cell string 1, a polyolefin layer 2, a front glass layer 3, a back sheet 4, a junction box 5 and a frame 6.
  • the solar cell string 1 is formed by connecting at least two solar cell sheets 11 in series by at least one solder ribbon 12, and the solder ribbon 12 is connected from the front surface of one solar cell sheet 11 to the back surface of the other solar cell sheet 11.
  • the polyolefin layer 2 has two layers which are respectively laminated on both sides of the solar cell string 1; it can be thermosetting or thermoplastic as needed, and the thickness is preferably 0.25 to 0.8 mm, and the specific parameters are: wavelength 382. ⁇ 1100 nm visible light transmittance>90%, transverse shrinkage ⁇ 2%, longitudinal shrinkage ⁇ 5%, cross-linking degree 60-80%, water absorption ⁇ 0.01%.
  • the front glass layer 3 is laminated on one of the layers On the polyolefin layer 2, the back sheet 4 is laminated on the other polyolefin layer 2.
  • the frame 6 is used for clamping the back plate 4 and the front plate glass layer 3; it comprises a frame body 61, at least two card frames integrally formed with the frame body 61 and located on the inner side thereof, and the front plate glass layer 3 and the back plate 4 folder Set between the card frames.
  • the junction box 5 is mounted on the backboard 4 for connecting the solar cell string 1 and the external circuit, and the back-connecting ordinary junction box can be used.
  • Such a solar cell module has an unexpected effect: reducing the water vapor transmission rate of the solar cell sheet, and avoiding the ion migration phenomenon in the encapsulating material (polyolefin) at a high voltage, thereby increasing the anti-PID performance of the component. There is no PID phenomenon during the life of the component.
  • the card frame has three paths, which are respectively formed on the top, the bottom and the middle of the inner side surface of the frame body 61.
  • the card frame defined on the top of the inner side surface of the frame body 61 is a first card frame 62 formed on the frame body 61.
  • the card frame in the middle of the inner side surface is the second card frame 63, and the card frame formed at the bottom of the inner side of the frame body 61 is the third card frame 64.
  • the front plate glass layer 3 and the back plate 4 are sandwiched between the first card frame 62 and the Between the two card frames 63.
  • the material of the back plate 4 is polyamide, and the specific parameters are: water vapor barrier 1.25g/dm 2 , the reflectivity is higher than the traditional back plate by about 10%, and the traditional PET fluorine back plate is discarded, which meets the requirement of no fluorine pollution.
  • Green and environmental protection has also produced unexpected effects: it has improved the sand-resistance of the components by more than 3 times, and the ammonia-and alkali-resistance is better than that of the ordinary backsheet; due to the anti-PID and anti-sand performance of the crystalline silicon solar module, Expand its use range, apply to areas with high temperature, high humidity and high wind and sand.

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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

A PID-resistant and wind sand resistant crystalline silicon solar cell assembly comprises a solar cell string (1), polyolefin layers (2) stacked at two sides of the solar cell string, a front plate glass layer (3) stacked on one of the polyolefin layers, a back plate (4) stacked on another polyolefin layer, a frame (6) used for clamping the back plate and the front plate glass layer, and a connection box (5) mounted on the back plate and used for connecting the solar cell string and an external line. By arranging the polyolefin layers at the two sides of the solar cell string, the water vapor permeability can be reduced, the ionic migration phenomenon occurring in packaging materials in a high voltage can be avoided, the PID resistant performance of the assembly can be improved, and the PID phenomenon does not occur during the lifetime of the assembly.

Description

一种抗PID耐风沙晶硅太阳能电池组件Anti-PID wind-resistant sand crystal silicon solar module
本申请要求于2015年9月23日提交中国专利局、申请号为201510611259.4、发明名称为“一种抗PID耐风沙晶硅太阳能电池组件”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims priority to Chinese Patent Application No. 201510611259.4, entitled "An Anti-PID Wind-Resistant Sandy Silicon Solar Cell Module", filed on September 23, 2015, the entire contents of which is incorporated by reference. In this application.
技术领域Technical field
本发明属于光伏太阳能电池领域，具体涉及一种抗PID耐风沙晶硅太阳能电池组件。The invention belongs to the field of photovoltaic solar cells, and in particular relates to an anti-PID wind-resistant sand crystal solar cell module.
背景技术Background technique
太阳能是人类取之不尽用之不竭的可再生能源，也是清洁能源，不产生任何的环境污染。在太阳能的有效利用当中，太阳能光电利用是近些年来发展最快、最具活力的研究领域。晶体硅太阳能电池主要是以半导体材料为基础，其工作原理是利用光电材料吸收光能后发生光电转换反应直接把光能转化成电能的装置。Solar energy is an inexhaustible source of renewable energy for human beings. It is also a clean energy source and does not cause any environmental pollution. Among the effective use of solar energy, solar photovoltaic utilization is the fastest growing and most dynamic research field in recent years. The crystalline silicon solar cell is mainly based on a semiconductor material, and its working principle is to directly convert the light energy into electrical energy by utilizing the photoelectric conversion reaction after the photoelectric material absorbs the light energy.
目前，常规晶体硅太阳能组件的主要结构为：钢化玻璃层、乙烯和醋酸乙烯酯嵌段共聚物、电池片、背板和铝合金边框，整个组件重量约为20kg左右。近几年的研究表明，存在于晶体硅光伏组件中的电路与其接地金属边框之间的高电压，会造成组件的光伏性能的持续衰减。而且常规抗PID(Potential Induced Degradation，即电势诱导衰减)组件在使用3-5年后，组件功率衰减明显，组件寿命期间功率衰减过多，组件寿命变短，导致电站发电量明显下降。现有常规晶体硅组件背板一般采用双面涂覆型背板，其沙落砂测试一般为5L/μm左右，抗风沙能力较弱，并且普通含氟背板在回收时，会有氟化物产生，对环境有氟污染的风险。At present, the main structure of the conventional crystalline silicon solar module is: a tempered glass layer, an ethylene and vinyl acetate block copolymer, a battery sheet, a back sheet and an aluminum alloy frame, and the entire assembly has a weight of about 20 kg. Recent studies have shown that the high voltage between the circuit present in the crystalline silicon photovoltaic module and its grounded metal frame will result in a sustained attenuation of the photovoltaic performance of the component. Moreover, the conventional anti-PID (Potential Induced Degradation) component has obvious power attenuation after 3-5 years of use, and the power attenuation during the life of the component is too much, and the life of the component is shortened, resulting in a significant decrease in the power generation of the power station. The conventional conventional crystalline silicon component backboard generally adopts a double-coated type backing plate, and the sand falling sand test is generally about 5 L/μm, the sand-resistant ability is weak, and the ordinary fluorine-containing backing plate has fluoride at the time of recycling. Produce a risk of fluoride contamination of the environment.
发明内容Summary of the invention
本发明目的是为了克服现有技术的不足而提供一种抗PID耐风沙晶硅太阳能电池组件。SUMMARY OF THE INVENTION The object of the present invention is to provide an anti-PID weather-resistant crystalline silicon solar cell module in order to overcome the deficiencies of the prior art.
为达到上述目的，本发明采用的技术方案是：一种抗PID耐风沙晶硅太阳能电池组件，它包括太阳能电池串、层叠于所述太阳能电池串两侧的聚烯烃层、层叠于其中一所述聚烯烃层上的前板玻璃层、层叠于另一所述聚烯烃层上的背板、用于夹住所述背板和所述前板玻璃层的边框以及安装在所述背 板上用于连接所述太阳能电池串和外部线路的接线盒。In order to achieve the above object, the technical solution adopted by the present invention is: an anti-PID wind-resistant sand crystal solar cell module comprising a solar cell string, a polyolefin layer laminated on both sides of the solar cell string, and laminated on one of them. a front glass layer on the polyolefin layer, a back sheet laminated on the other polyolefin layer, a frame for sandwiching the back sheet and the front glass layer, and mounted on the back A junction box for connecting the solar cell string and the external line on the board.
优化地，所述背板的材质为聚酰胺。Optimizedly, the backing plate is made of polyamide.
进一步地，所述太阳能电池串由至少两个太阳能电池片通过至少一根焊带串接而成。Further, the solar cell string is formed by connecting at least two solar cell sheets in series by at least one solder ribbon.
进一步地，所述边框包括框体、与所述框体一体成型且位于其内侧面的卡框；所述卡框有三道，分别形成于所述框体内侧面的顶部、底部和中部；定义形成于所述框体内侧面顶部的卡框为第一卡框，形成于所述框体内侧面中部的卡框为第二卡框，形成于所述框体内侧面底部的卡框为第三卡框，所述前板玻璃层和所述背板夹设于所述第一卡框和所述第二卡框之间。Further, the frame includes a frame body, a card frame integrally formed with the frame body and located on an inner side surface thereof; the card frame has three paths respectively formed at a top, a bottom and a middle portion of a side surface of the frame body; The card frame at the top of the side surface of the frame is a first card frame, and the card frame formed at the middle of the side surface of the frame body is a second card frame, and the card frame formed at the bottom of the side surface of the frame body is a third card frame. The front glass layer and the back plate are sandwiched between the first card frame and the second card frame.
优化地，所述聚烯烃层厚度为0.25～0.8mm。Optimizedly, the polyolefin layer has a thickness of 0.25 to 0.8 mm.
由于上述技术方案运用，本发明与现有技术相比具有下列优点：本发明抗PID耐风沙晶硅太阳能电池组件，通过在太阳能电池串两侧设置聚烯烃层，能够降低水汽透过率，避免了在高电压下封装材料中出现的离子迁移现象，增加组件的抗PID性能，在组件寿命期间不会出现PID现象。Due to the use of the above technical solutions, the present invention has the following advantages over the prior art: the anti-PID weather-resistant silicon solar cell module of the present invention can reduce the water vapor transmission rate by providing a polyolefin layer on both sides of the solar cell string, thereby avoiding The phenomenon of ion migration occurring in the package material at high voltage increases the anti-PID performance of the component, and the PID phenomenon does not occur during the life of the component.
附图说明DRAWINGS
附图1为本发明PID耐风沙晶硅太阳能电池组件的结构示意图；1 is a schematic structural view of a PID weather-resistant sand crystal solar cell module according to the present invention;
其中，1、太阳能电池串；11、太阳能电池片；12、焊带；2、聚烯烃层；3、前板玻璃层；4、背板；5、接线盒；6、边框；61、框体；62、第一卡框；63、第二卡框；64、第三卡框。Among them, 1, solar cell string; 11, solar cell sheet; 12, solder ribbon; 2, polyolefin layer; 3, front panel glass layer; 4, back panel; 5, junction box; 6, border; 61, frame ; 62, the first card frame; 63, the second card frame; 64, the third card frame.
具体实施方式detailed description
下面将结合附图对本发明优选实施方案进行详细说明：The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
如图1所示的抗PID耐风沙晶硅太阳能电池组件，主要包括太阳能电池串1、聚烯烃层2、前板玻璃层3、背板4、接线盒5和边框6。The anti-PID wind-resistant sand crystal solar cell module shown in FIG. 1 mainly comprises a solar cell string 1, a polyolefin layer 2, a front glass layer 3, a back sheet 4, a junction box 5 and a frame 6.
其中，太阳能电池串1由至少两个太阳能电池片11通过至少一根焊带12串接而成，焊带12由一个太阳能电池片11的正面连接至另一个太阳能电池片11的背面。聚烯烃层2有两层，它们分别层叠在太阳能电池串1的两侧；它可以根据需要采用热固型或热塑型的，厚度优选为0.25～0.8mm，其具体参数为：波长为382～1100nm的可见光透光率＞90％，横向收缩率≤2％，纵向收缩率≤5％，交联度为60～80％，吸水率≤0.01％。前板玻璃层3层叠于其中一层 聚烯烃层2上，背板4则层叠于另一层聚烯烃层2上。边框6用于夹住背板4和前板玻璃层3；它包括框体61、与框体61一体成型且位于其内侧面的至少两道卡框，前板玻璃层3和背板4夹设在卡框之间。接线盒5安装在背板4上，用于连接太阳能电池串1和外部线路，采用背接式普通接线盒即可。这样的太阳能电池组件产生了意想不到的效果：降低了太阳能电池片的水汽透过率，避免了在高电压下封装材料(聚烯烃)中出现的离子迁移现象，从而增加组件的抗PID性能，在组件寿命期间不会出现PID现象。The solar cell string 1 is formed by connecting at least two solar cell sheets 11 in series by at least one solder ribbon 12, and the solder ribbon 12 is connected from the front surface of one solar cell sheet 11 to the back surface of the other solar cell sheet 11. The polyolefin layer 2 has two layers which are respectively laminated on both sides of the solar cell string 1; it can be thermosetting or thermoplastic as needed, and the thickness is preferably 0.25 to 0.8 mm, and the specific parameters are: wavelength 382. ～1100 nm visible light transmittance>90%, transverse shrinkage ≤2%, longitudinal shrinkage ≤5%, cross-linking degree 60-80%, water absorption ≤0.01%. The front glass layer 3 is laminated on one of the layers On the polyolefin layer 2, the back sheet 4 is laminated on the other polyolefin layer 2. The frame 6 is used for clamping the back plate 4 and the front plate glass layer 3; it comprises a frame body 61, at least two card frames integrally formed with the frame body 61 and located on the inner side thereof, and the front plate glass layer 3 and the back plate 4 folder Set between the card frames. The junction box 5 is mounted on the backboard 4 for connecting the solar cell string 1 and the external circuit, and the back-connecting ordinary junction box can be used. Such a solar cell module has an unexpected effect: reducing the water vapor transmission rate of the solar cell sheet, and avoiding the ion migration phenomenon in the encapsulating material (polyolefin) at a high voltage, thereby increasing the anti-PID performance of the component. There is no PID phenomenon during the life of the component.
在本实施例中，卡框有三道，分别形成于框体61内侧面的顶部、底部和中部；定义形成于框体61内侧面顶部的卡框为第一卡框62，形成于框体61内侧面中部的卡框为第二卡框63，形成于框体61内侧面底部的卡框为第三卡框64，前板玻璃层3和背板4夹设于第一卡框62和第二卡框63之间。背板4的材质为聚酰胺，其具体参数为：水汽阻隔1.25g/dm2，反光率高于传统背板10％左右，摒弃传统了传统的PET含氟背板，满足无氟污染要求，绿色环保，还产生了意想不到的效果：提高了组件的抗风沙能力3倍以上，耐氨耐碱性能也较普通背板优良；由于此晶硅太阳能电池组件的抗PID及抗风沙性能，可扩大其使用范围，应用于高温高湿及高风沙的地区。In this embodiment, the card frame has three paths, which are respectively formed on the top, the bottom and the middle of the inner side surface of the frame body 61. The card frame defined on the top of the inner side surface of the frame body 61 is a first card frame 62 formed on the frame body 61. The card frame in the middle of the inner side surface is the second card frame 63, and the card frame formed at the bottom of the inner side of the frame body 61 is the third card frame 64. The front plate glass layer 3 and the back plate 4 are sandwiched between the first card frame 62 and the Between the two card frames 63. The material of the back plate 4 is polyamide, and the specific parameters are: water vapor barrier 1.25g/dm 2 , the reflectivity is higher than the traditional back plate by about 10%, and the traditional PET fluorine back plate is discarded, which meets the requirement of no fluorine pollution. Green and environmental protection has also produced unexpected effects: it has improved the sand-resistance of the components by more than 3 times, and the ammonia-and alkali-resistance is better than that of the ordinary backsheet; due to the anti-PID and anti-sand performance of the crystalline silicon solar module, Expand its use range, apply to areas with high temperature, high humidity and high wind and sand.
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围，凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。 The above embodiments are only intended to illustrate the technical idea and the features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention. Equivalent changes or modifications made to the spirit of the spirit should be covered by the scope of the present invention.

Claims (5)

  1. 一种抗PID耐风沙晶硅太阳能电池组件，其特征在于：它包括太阳能电池串、层叠于所述太阳能电池串两侧的聚烯烃层、层叠于其中一所述聚烯烃层上的前板玻璃层、层叠于另一所述聚烯烃层上的背板、用于夹住所述背板和所述前板玻璃层的边框以及安装在所述背板上用于连接所述太阳能电池串和外部线路的接线盒。An anti-PID wind-resistant sand crystal silicon solar cell module, comprising: a solar cell string, a polyolefin layer laminated on both sides of the solar cell string, and a front plate glass laminated on one of the polyolefin layers a layer, a back sheet laminated on the other of the polyolefin layers, a bezel for sandwiching the back sheet and the front sheet glass layer, and a back sheet mounted on the back sheet for connecting the solar cell string and Junction box for external wiring.
  2. 根据权利要求1所述的抗PID耐风沙晶硅太阳能电池组件，其特征在于：所述背板的材质为聚酰胺。The anti-PID weather-resistant sand crystal solar cell module according to claim 1, wherein the backing plate is made of a polyamide.
  3. 根据权利要求2所述的抗PID耐风沙晶硅太阳能电池组件，其特征在于：所述太阳能电池串由至少两个太阳能电池片通过至少一根焊带串接而成。The anti-PID wind-resistant sand crystal solar cell module according to claim 2, wherein the solar cell string is formed by connecting at least two solar cell sheets in series by at least one solder ribbon.
  4. 根据权利要求2所述的抗PID耐风沙晶硅太阳能电池组件，其特征在于：所述边框包括框体、与所述框体一体成型且位于其内侧面的卡框；所述卡框有三道，分别形成于所述框体内侧面的顶部、底部和中部；定义形成于所述框体内侧面顶部的卡框为第一卡框，形成于所述框体内侧面中部的卡框为第二卡框，形成于所述框体内侧面底部的卡框为第三卡框，所述前板玻璃层和所述背板夹设于所述第一卡框和所述第二卡框之间。The anti-PID sand-resistant silicon solar cell module according to claim 2, wherein the frame comprises a frame, a card frame integrally formed with the frame body and located on an inner side thereof; the card frame has three paths Forming a top, a bottom, and a middle portion of the inner side of the frame; a card frame defined at a top portion of the side of the frame is a first card frame, and a card frame formed at a middle portion of the side of the frame is a second card frame The card frame formed at the bottom of the side surface of the frame is a third card frame, and the front plate glass layer and the back plate are sandwiched between the first card frame and the second card frame.
  5. 根据权利要求1所述的抗PID耐风沙晶硅太阳能电池组件，其特征在于：所述聚烯烃层厚度为0.25～0.8mm。 The anti-PID weather-resistant sand crystal solar cell module according to claim 1, wherein the polyolefin layer has a thickness of 0.25 to 0.8 mm.
PCT/CN2015/099479 2015-09-23 2015-12-29 Pid-resistant and wind sand resistant crystalline silicon solar cell assembly WO2017049798A1 (en)

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