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CN108269869A - A kind of photovoltaic component encapsulating film and include its photovoltaic module - Google Patents

A kind of photovoltaic component encapsulating film and include its photovoltaic module Download PDF

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Publication number
CN108269869A
CN108269869A CN201611260140.8A CN201611260140A CN108269869A CN 108269869 A CN108269869 A CN 108269869A CN 201611260140 A CN201611260140 A CN 201611260140A CN 108269869 A CN108269869 A CN 108269869A
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parts
weight
encapsulating film
rare earth
crosslinking agent
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Inventor
陈荣
张圣博
张定忠
刘屹
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Canadian Solar Inc
Changshu Tegu New Material Technology CoLtd
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Changshu Tegu New Material Technology CoLtd
Atlas Sunshine Power Group Co Ltd
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Priority to CN201611260140.8A priority Critical patent/CN108269869A/en
Publication of CN108269869A publication Critical patent/CN108269869A/en
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10FINORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H10F19/804Materials of encapsulations
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10FINORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00Constructional details of devices covered by this subclass
    • H10F77/40Optical elements or arrangements
    • H10F77/42Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
    • H10F77/45Wavelength conversion means, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

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Abstract

The present invention relates to a kind of photovoltaic component encapsulating film, the encapsulating film includes polyolefin elastomer base material and the rare earth organic light conversion agents being scattered in the polyolefin elastomer base material;The melt index of the polyolefine material is 3~30g/10min.The present invention is base material using POE polyolefin elastomers, for non-polar polymer, it is saturated structures, without double bond, there is apparent advantage in terms of weather-proof, color inhibition and water vapor transmittance, insulating properties, and rare earth organic light conversion agents are added, ultraviolet light of the wavelength less than 400nm can be converted into the visible ray that wavelength is more than 400nm, increase the output power of component.

Description

一种光伏组件封装膜及包含其的光伏组件A kind of photovoltaic module encapsulation film and the photovoltaic module containing it

技术领域technical field

本发明属于光伏组件设计领域,具体涉及一种光伏组件封装膜及包含其的光伏组件。The invention belongs to the field of photovoltaic module design, and in particular relates to a photovoltaic module packaging film and a photovoltaic module containing the same.

背景技术Background technique

传统的封装材料EVA为乙烯和醋酸乙烯酯的共聚物,弱极性,醋酸乙烯的引入同样破坏了结晶,也是一种性能较好的弹性体,透明性和弹性很好,但是醋酸乙烯酯含不饱和双键C=O,易受光、热、湿气的影响而分解或氧化产生黄变、游离醋酸生成,这个是传统的封装材料EVA的致命伤,醋酸会腐蚀电极导致裂化。The traditional packaging material EVA is a copolymer of ethylene and vinyl acetate, with weak polarity. The introduction of vinyl acetate also destroys the crystallization. It is also a good elastomer with good transparency and elasticity, but vinyl acetate contains The unsaturated double bond C=O is easily decomposed or oxidized by light, heat, and moisture to produce yellowing and free acetic acid. This is the fatal injury of the traditional packaging material EVA. Acetic acid will corrode the electrodes and cause cracking.

传统的光伏封装胶膜为EVA(乙烯醋酸乙烯共聚物)材料,具有熔点低,流动性好,透明度高,层压工艺成熟等优点,是目前双玻组件主要的封装材料,但是EVA体系中有醋酸的存在,耐候性较差,组件在户外的长期使用过程中易老化降解,影响组件的功率;另外EVA封装材料具有较高的水汽通过率,尤其是没有封边的双玻组件,高水汽的透过直接影响组件的可靠性能,致使功率下降。The traditional photovoltaic packaging film is EVA (ethylene vinyl acetate copolymer) material, which has the advantages of low melting point, good fluidity, high transparency, and mature lamination process. It is currently the main packaging material for double-glass modules. However, there are The presence of acetic acid has poor weather resistance, and the components are prone to aging and degradation during long-term outdoor use, which affects the power of the components; in addition, EVA packaging materials have a high water vapor transmission rate, especially double-glass components without edge sealing, high water vapor The pass directly affects the reliability performance of the components, resulting in a decrease in power.

在地面上观测的太阳辐射的波段范围大约为295~2500nm,电池片能利用的波段大约为在400nm波长以上,小于400nm的紫外光不能被电池片利用发电,传统的封装材料不能将紫外光利用,不能增加组件的输出功率。The wavelength range of solar radiation observed on the ground is about 295-2500nm, and the wavelength band that can be used by solar cells is above 400nm. Ultraviolet light less than 400nm cannot be used by solar cells to generate electricity. Traditional packaging materials cannot utilize ultraviolet light. , cannot increase the output power of the module.

本领域需要开发一种光伏组件用封装层,其具有良好的阻水性能,且能够提高所述光伏组件的光电转化效率。There is a need in the field to develop an encapsulation layer for a photovoltaic module, which has good water-blocking properties and can improve the photoelectric conversion efficiency of the photovoltaic module.

发明内容Contents of the invention

本发明的目的在于提供一种光伏组件封装膜,所述封装膜包含聚烯烃弹性体基材,以及分散于所述聚烯烃弹性体基材中的稀土有机转光剂;所述聚烯烃材料的熔融指数为3~30g/10min,例如4g/10min、6g/10min、14g/10min、16g/10min、17g/10min、19g/10min、21g/10min、24g/10min、25g/10min、27g/10min、28g/10min、29g/10min等。The object of the present invention is to provide a kind of photovoltaic module encapsulation film, and described encapsulation film comprises polyolefin elastomer substrate, and the rare earth organic light conversion agent dispersed in described polyolefin elastomer substrate; The polyolefin material The melt index is 3-30g/10min, such as 4g/10min, 6g/10min, 14g/10min, 16g/10min, 17g/10min, 19g/10min, 21g/10min, 24g/10min, 25g/10min, 27g/10min, 28g/10min, 29g/10min, etc.

本发明以聚烯烃弹性体(POE)为基材,其内部不含有醋酸,耐候性能优异;POE聚烯烃采用金属催化剂实现乙烯同其它α-烯烃聚合得到的弹性体,不含极性化学键,阻水性能优异;此外,本发明在聚烯烃弹性体基材中加入稀土有机转光剂可以吸收97%左右的200~400nm的紫外光,并将其转换为可以为电池片使用的400~1100nm可见光,以增加组件的功率输出。The present invention uses polyolefin elastomer (POE) as the base material, which does not contain acetic acid and has excellent weather resistance; POE polyolefin adopts a metal catalyst to realize the elastomer obtained by polymerizing ethylene with other α-olefins, does not contain polar chemical bonds, and has excellent resistance to weathering. Excellent water performance; in addition, adding a rare earth organic light conversion agent to the polyolefin elastomer substrate in the present invention can absorb about 97% of 200-400nm ultraviolet light and convert it into 400-1100nm visible light that can be used for batteries , to increase the power output of the component.

特定熔融指数(3~30g/10min)的聚烯烃弹性体有利于稀土有机转光剂的均匀分散。The polyolefin elastomer with a specific melt index (3-30g/10min) is conducive to the uniform dispersion of the rare earth organic light-changing agent.

选用POE聚烯烃封装材料,熔融指数为3~30g/10min,POE聚烯烃封装材料吸水率低,水汽透过率低,对组件具有更高的可靠性;绝缘性好,传统EVA封装材料的体积电阻率约为1015~1016Ω×cm,而POE封装材料约为1016~1017Ω×cm,电学性能更好;无酸性释放,耐候性能更优越;POE聚烯烃居于以上的优势,在组件使用的过程中,POE聚烯烃封装材料老化性能优异,不会因为封装材料的过快老化而致使组件的功率衰减,所以POE聚烯烃在组件后期使用过程中可以有效的增加组件的输出功率。POE polyolefin packaging material is selected, the melt index is 3-30g/10min, POE polyolefin packaging material has low water absorption rate, low water vapor transmission rate, and has higher reliability for components; good insulation, the volume of traditional EVA packaging material The resistivity is about 10 15 ~10 16 Ω×cm, while the POE packaging material is about 10 16 ~10 17 Ω×cm, with better electrical properties; no acid release, and better weather resistance; POE polyolefin has the above advantages, During the use of components, POE polyolefin packaging materials have excellent aging performance, and the power of the components will not be attenuated due to the rapid aging of the packaging materials, so POE polyolefins can effectively increase the output power of the components during the later use of the components .

本发明使用稀土有机转光剂,可以将不能被光伏电池片吸收利用的紫外线转化为可以被光伏电池片利用的可见光,以提高组件的初始输出功率。The invention uses a rare-earth organic light conversion agent, which can convert ultraviolet rays that cannot be absorbed and utilized by photovoltaic cells into visible light that can be utilized by photovoltaic cells, so as to increase the initial output power of components.

优选地,所述稀土有机转光剂占聚烯烃弹性体的0.1~0.5wt%,例如0.2%、0.3%、0.4%等。Preferably, the rare earth organic light converting agent accounts for 0.1-0.5 wt% of the polyolefin elastomer, such as 0.2%, 0.3%, 0.4% and so on.

所述稀土有机转光剂的添加量在0.1~0.5wt%内,能够最大程度的将紫外光转化为可见光,被光伏器件利用;而太多的稀土有机转光剂的添加不利于其均匀分散,影响可靠性,会导致胶膜黄变。The addition amount of the rare earth organic light conversion agent is within 0.1-0.5wt%, which can convert ultraviolet light into visible light to the greatest extent and be used by photovoltaic devices; but the addition of too much rare earth organic light conversion agent is not conducive to its uniform dispersion , affecting reliability and causing yellowing of the film.

优选地,所述稀土有机转光剂具有式(1)的结构:Preferably, the rare earth organic light converting agent has a structure of formula (1):

式(1)中,R为硫杂环基团中的任意1种,优选噻吩基;X为稀土金属,优选铕(Eu)、镧(La)、钆(Gd)中的任意1种。In formula (1), R is any one of sulfur heterocyclic groups, preferably thienyl; X is a rare earth metal, preferably any one of europium (Eu), lanthanum (La), and gadolinium (Gd).

优选地,所述稀土有机转光剂包括Eu-α-噻吩三氟乙酰丙酮-邻菲罗啉配合物、La-α-噻吩三氟乙酰丙酮-邻菲罗啉配合物和Gd-α-噻吩三氟乙酰丙酮-邻菲罗啉配合物中的任意1种或至少2种的组合。Preferably, the rare earth organic light converting agent includes Eu-α-thiophene trifluoroacetylacetonate-o-phenanthroline complex, La-α-thiophene trifluoroacetylacetonate-o-phenanthroline complex and Gd-α-thiophene Any one or a combination of at least two of the trifluoroacetylacetone-o-phenanthroline complexes.

增加Eu-α-噻吩三氟乙酰丙酮-邻菲罗啉配合物或La-α-噻吩三氟乙酰丙酮-邻菲罗啉配合物或Gd-α-噻吩三氟乙酰丙酮-邻菲罗啉配合物类稀土有机转光剂,可以提高组件功率约为1%-2%,稀土类有机转光剂的结构类似以下结构:Add Eu-α-thiophene trifluoroacetylacetonate-o-phenanthroline complex or La-α-thiophene trifluoroacetylacetone-o-phenanthroline complex or Gd-α-thiophene trifluoroacetylacetonate-o-phenanthroline complex Rare-earth organic light-changing agents can increase module power by about 1%-2%. The structure of rare-earth organic light-changing agents is similar to the following structure:

作为优选技术方案,所述封装膜按重量份数包括如下组分:As a preferred technical solution, the packaging film includes the following components in parts by weight:

聚烯烃弹性体基材100重量份100 parts by weight of polyolefin elastomer substrate

交联剂0.8~1.6重量份0.8-1.6 parts by weight of cross-linking agent

光稳定剂0.2~0.5重量份Light stabilizer 0.2~0.5 parts by weight

偶联剂0.1~0.5重量份0.1-0.5 parts by weight of coupling agent

抗氧剂0.1~0.5重量份Antioxidant 0.1~0.5 parts by weight

稀土有机转光剂0.1~0.5重量份。0.1-0.5 parts by weight of rare-earth organic light-transforming agent.

优选地,所述聚烯烃弹性体包括和/或其中,x为1000~10000,y为1000~10000。Preferably, the polyolefin elastomer comprises and / or Wherein, x is 1000-10000, and y is 1000-10000.

优选地,所述聚烯烃弹性体电阻率为1016~1017Ω×cm,例如0.1×1017Ω×cm、0.2×1017Ω×cm、0.3×1017Ω×cm、0.4×1017Ω×cm、0.5×1017Ω×cm、0.6×1017Ω×cm、0.7×1017Ω×cm、0.8×1017Ω×cm、0.9×1017Ω×cm等。Preferably, the resistivity of the polyolefin elastomer is 10 16 to 10 17 Ω×cm, such as 0.1×10 17 Ω×cm, 0.2×10 17 Ω×cm, 0.3×10 17 Ω×cm, 0.4×10 17 Ω×cm, 0.5×10 17 Ω×cm, 0.6×10 17 Ω×cm, 0.7×10 17 Ω×cm, 0.8×10 17 Ω×cm, 0.9×10 17 Ω×cm, etc.

优选地,所述交联剂包括第一交联剂和第二交联剂;Preferably, the crosslinking agent comprises a first crosslinking agent and a second crosslinking agent;

所述第一交联剂包括过氧化2-乙基己酸叔丁酯和/或2,5-二甲基-2,5-二(叔丁基过氧基)己烷;The first crosslinking agent includes tert-butyl peroxide 2-ethylhexanoate and/or 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane;

所述第二交联剂包括三烯丙基异氰脲酸酯和/或三羟甲基丙烷三甲基丙烯酸酯。The second crosslinking agent includes triallyl isocyanurate and/or trimethylolpropane trimethacrylate.

两种交联剂的配合使用,能够更有利于聚烯烃弹性体形成致密的聚合物,提高封装膜的力学性能。The combined use of the two cross-linking agents can be more conducive to the formation of dense polymers by the polyolefin elastomer and improve the mechanical properties of the packaging film.

优选地,所述第一交联剂的添加比例为聚烯烃弹性体基材的0.5~0.5wt%。Preferably, the addition ratio of the first crosslinking agent is 0.5-0.5 wt% of the polyolefin elastomer substrate.

优选地,所述第二交联剂的添加比例为聚烯烃弹性体基材的0.3~0.8wt%。Preferably, the addition ratio of the second crosslinking agent is 0.3-0.8wt% of the polyolefin elastomer substrate.

优选地,所述光稳定剂包括癸二酸双-2,2,6,6-四甲基哌啶醇酯。Preferably, the light stabilizer includes bis-2,2,6,6-tetramethylpiperidinol sebacate.

优选地,所述偶联剂包括γ-(甲基丙烯酰氧)丙基三甲氧基硅烷。Preferably, the coupling agent includes γ-(methacryloyloxy)propyltrimethoxysilane.

优选地,所述抗氧剂包括四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯。Preferably, the antioxidant includes tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester.

作为优选技术方案,所述封装膜按重量份数包括如下组分:As a preferred technical solution, the packaging film includes the following components in parts by weight:

100重量份 100 parts by weight

过氧化2-乙基己酸叔丁酯0.5~0.8重量份0.5-0.8 parts by weight of tert-butyl peroxy 2-ethylhexanoate

三烯丙基异氰脲酸酯0.3~0.8重量份0.3-0.8 parts by weight of triallyl isocyanurate

癸二酸双-2,2,6,6-四甲基哌啶醇酯0.2~0.5重量份0.2-0.5 parts by weight of bis-2,2,6,6-tetramethylpiperidinol sebacate

γ-(甲基丙烯酰氧)丙基三甲氧基硅烷0.1~0.5重量份0.1-0.5 parts by weight of γ-(methacryloyloxy)propyltrimethoxysilane

四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯0.1~0.5重量份0.1-0.5 parts by weight of tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester

Eu-α-噻吩三氟乙酰丙酮-邻菲罗啉配合物0.1~0.5重量份。0.1-0.5 parts by weight of Eu-α-thiophene trifluoroacetylacetonate-o-phenanthroline complex.

本发明所述封装膜的制备方法可以采用现有技术得到,可以直接采用光伏行业使用的挤出流延法加工。The preparation method of the encapsulating film of the present invention can be obtained by adopting the prior art, and can be directly processed by the extrusion casting method used in the photovoltaic industry.

本发明目的之二是提供一种光伏组件,所述光伏组件包括目的之一所述的光伏组件封装膜。The second object of the present invention is to provide a photovoltaic module, which includes the photovoltaic module encapsulating film described in the first object.

与现有技术相比,本发明具有以下有益效果:Compared with the prior art, the present invention has the following beneficial effects:

本发明使用POE聚烯烃弹性体为基材,为非极性聚合物,是饱和结构,无双键,在耐候、耐黄变以及水汽透过率、绝缘性方面有明显的优势,并且添加稀土有机转光剂,可以将波长小于400nm的紫外光转化为波长大于400nm的可见光,增加组件的输出功率。使用稀土有机转光剂,可以将不能被光伏电池片吸收利用的紫外线转化为可以被光伏电池片利用的可见光,以提高组件的初始输出功率。将稀土有机转光剂和具有特定熔融指数的POE聚烯烃弹性体配合,能够获得较好的稀土有机转光剂的分散效果,进一步提高器件的光电转化效率;且稀土有机转光剂的加入不影响POE聚烯烃弹性体聚合成膜后的阻水效果。The invention uses POE polyolefin elastomer as the base material, which is a non-polar polymer with a saturated structure and no double bonds. It has obvious advantages in weather resistance, yellowing resistance, water vapor transmission rate and insulation, and adds rare earth organic The light conversion agent can convert ultraviolet light with a wavelength less than 400nm into visible light with a wavelength greater than 400nm, increasing the output power of the module. The use of rare earth organic light conversion agents can convert ultraviolet rays that cannot be absorbed by photovoltaic cells into visible light that can be utilized by photovoltaic cells to increase the initial output power of the module. The combination of rare earth organic light converting agent and POE polyolefin elastomer with a specific melt index can obtain a better dispersion effect of rare earth organic light converting agent and further improve the photoelectric conversion efficiency of the device; and the addition of rare earth organic light converting agent does not It affects the water blocking effect of POE polyolefin elastomer after polymerization.

具体实施方式Detailed ways

下面通过具体实施方式来进一步说明本发明的技术方案。The technical solutions of the present invention will be further described below through specific embodiments.

本领域技术人员应该明了,所述实施例仅仅是帮助理解本发明,不应视为对本发明的具体限制。It should be clear to those skilled in the art that the embodiments are only for helping to understand the present invention, and should not be regarded as specific limitations on the present invention.

实施例1Example 1

一种封装膜,包括如下组分:A packaging film, comprising the following components:

聚烯烃弹性体基材100重量份100 parts by weight of polyolefin elastomer substrate

第一交联剂0.6重量份0.6 parts by weight of the first crosslinking agent

第二交联剂0.6重量份0.6 parts by weight of the second crosslinking agent

癸二酸双-2,2,6,6-四甲基哌啶醇酯0.3重量份0.3 parts by weight of bis-2,2,6,6-tetramethylpiperidinol sebacate

γ-(甲基丙烯酰氧)丙基三甲氧基硅烷0.4重量份0.4 parts by weight of γ-(methacryloyloxy)propyltrimethoxysilane

四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯0.4重量份0.4 parts by weight of tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester

稀土有机转光剂0.3重量份;0.3 parts by weight of rare-earth organic light converting agent;

所述聚烯烃弹性体基材为x为1000~10000,y为1000~10000,其电阻率为1016~1017Ω×cm,熔融指数为20g/10min;The polyolefin elastomer substrate is x is 1000-10000, y is 1000-10000, its resistivity is 10 16 ~10 17 Ω×cm, and its melting index is 20g/10min;

所述第一交联剂为过氧化2-乙基己酸叔丁酯;The first crosslinking agent is tert-butyl peroxy 2-ethylhexanoate;

所述第二交联剂为三烯丙基异氰脲酸酯;The second crosslinking agent is triallyl isocyanurate;

所述稀土有机转光剂为Eu-α-噻吩三氟乙酰丙酮-邻菲罗啉配合物;The rare earth organic light converting agent is Eu-α-thiophene trifluoroacetylacetone-o-phenanthroline complex;

制备方法:将所述封装膜的各组分混合均匀后螺杆挤出后压延得到封装膜。The preparation method: the components of the packaging film are uniformly mixed, extruded by a screw, and calendered to obtain the packaging film.

实施例2Example 2

与实施例1的区别在于:The difference with embodiment 1 is:

所述聚烯烃弹性体基材为x为1000~10000,y为1000~10000,其电阻率为1016~1017Ω×cm,熔融指数为10g/10min;The polyolefin elastomer substrate is x is 1000-10000, y is 1000-10000, its resistivity is 10 16 ~10 17 Ω×cm, and its melting index is 10g/10min;

所述第一交联剂为2,5-二甲基-2,5-二(叔丁基过氧基)己烷;The first crosslinking agent is 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane;

所述第二交联剂为三羟甲基丙烷三甲基丙烯酸酯;The second crosslinking agent is trimethylolpropane trimethacrylate;

所述稀土有机转光剂为Gd-α-噻吩三氟乙酰丙酮-邻菲罗啉配合物。The rare earth organic light converting agent is a Gd-α-thiophene trifluoroacetylacetone-o-phenanthroline complex.

实施例3Example 3

与实施例1的区别在于:The difference with embodiment 1 is:

所述封装膜按重量份数包括如下组分:The packaging film comprises the following components in parts by weight:

聚烯烃弹性体基材100重量份100 parts by weight of polyolefin elastomer substrate

第一交联剂0.5重量份0.5 parts by weight of the first crosslinking agent

第二交联剂0.8重量份0.8 parts by weight of the second crosslinking agent

癸二酸双-2,2,6,6-四甲基哌啶醇酯0.2重量份0.2 parts by weight of bis-2,2,6,6-tetramethylpiperidinol sebacate

γ-(甲基丙烯酰氧)丙基三甲氧基硅烷0.5重量份0.5 parts by weight of γ-(methacryloyloxy)propyltrimethoxysilane

四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯0.1重量份Tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester 0.1 parts by weight

稀土有机转光剂0.5重量份;0.5 parts by weight of rare earth organic light converting agent;

所述聚烯烃弹性体基材为x为1000-10000,y为1000-10000;其电阻率为1016~1017Ω×cm,熔融指数为30g/10min。The polyolefin elastomer substrate is x is 1000-10000, y is 1000-10000; its resistivity is 10 16 -10 17 Ω×cm, and its melting index is 30g/10min.

实施例4Example 4

与实施例1的区别在于:The difference with embodiment 1 is:

所述封装膜按重量份数包括如下组分:The packaging film comprises the following components in parts by weight:

聚烯烃弹性体基材100重量份100 parts by weight of polyolefin elastomer substrate

第一交联剂0.8重量份0.8 parts by weight of the first crosslinking agent

第二交联剂0.3重量份0.3 parts by weight of the second crosslinking agent

癸二酸双-2,2,6,6-四甲基哌啶醇酯0.5重量份0.5 parts by weight of bis-2,2,6,6-tetramethylpiperidinol sebacate

γ-(甲基丙烯酰氧)丙基三甲氧基硅烷0.1重量份0.1 parts by weight of γ-(methacryloyloxy)propyltrimethoxysilane

四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯0.5重量份0.5 parts by weight of tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester

稀土有机转光剂0.1重量份。0.1 parts by weight of rare earth organic light-changing agent.

实施例5Example 5

与实施例1的区别在于,所述聚烯烃弹性体基材为x为1000~10000,y为1000~10000,其电阻率为1016~1017Ω×cm,熔融指数为3.6g/10min。The difference from Example 1 is that the polyolefin elastomer substrate is x is 1000-10000, y is 1000-10000, its resistivity is 10 16 -10 17 Ω×cm, and its melt index is 3.6g/10min.

对比例1Comparative example 1

与实施例1的区别在于,稀土有机转光剂的加入量为0.6重量份。The difference from Example 1 is that the addition amount of the rare earth organic light converting agent is 0.6 parts by weight.

对比例2Comparative example 2

与实施例1的区别在于,稀土有机转光剂的加入量为0.05重量份。The difference from Example 1 is that the addition amount of the rare earth organic light converting agent is 0.05 parts by weight.

对比例3Comparative example 3

与实施例1的区别在于,所述聚烯烃弹性体基材为x为1000~10000,y为1000~10000,其电阻率为1016~1017Ω×cm,熔融指数为2.5g/10min。The difference from Example 1 is that the polyolefin elastomer substrate is x is 1000-10000, y is 1000-10000, its resistivity is 10 16 -10 17 Ω×cm, and its melting index is 2.5g/10min.

对比例4Comparative example 4

与实施例1的区别在于,所述聚烯烃弹性体基材为x为1000~10000,y为1000~10000,其电阻率为1016~1017Ω×cm,熔融指数为36g/10min。The difference from Example 1 is that the polyolefin elastomer substrate is x is 1000-10000, y is 1000-10000, its resistivity is 10 16 -10 17 Ω×cm, and its melting index is 36g/10min.

性能测试Performance Testing

将一个光伏组件,其具有5栅PERC单晶72片结构,其上覆盖如下实施例1~5的方法得到的封装膜。将得到的光伏组件进行阻水性、组件功率的测定,测定方法为Q/ICFCI-2003、IEC-62804;A photovoltaic module, which has a 5-gate PERC single crystal structure of 72 pieces, is covered with the encapsulation film obtained by the method in the following embodiments 1-5. The obtained photovoltaic modules are tested for water resistance and component power, and the measurement methods are Q/ICFCI-2003 and IEC-62804;

测试结果见下表:The test results are shown in the table below:

阻水性0.5mm(g/m2·day)Water resistance 0.5mm(g/m 2 ·day) 组件功率Component power 实施例1Example 1 2.82.8 298.9298.9 实施例2Example 2 3.63.6 301.9301.9 实施例3Example 3 1.91.9 303.1303.1 实施例4Example 4 2.62.6 302.4302.4 实施例5Example 5 2.72.7 300.4300.4 对比例1Comparative example 1 21.621.6 296.7296.7 对比例2Comparative example 2 20.820.8 294.9294.9 对比例3Comparative example 3 21.521.5 297.3297.3 对比例4Comparative example 4 22.122.1 296.3296.3

申请人声明,本发明通过上述实施例来说明本发明的工艺方法,但本发明并不局限于上述工艺步骤,即不意味着本发明必须依赖上述工艺步骤才能实施。所属技术领域的技术人员应该明了,对本发明的任何改进,对本发明所选用原料的等效替换及辅助成分的添加、具体方式的选择等,均落在本发明的保护范围和公开范围之内。The applicant declares that the present invention illustrates the process method of the present invention through the above examples, but the present invention is not limited to the above process steps, that is, it does not mean that the present invention must rely on the above process steps to be implemented. Those skilled in the art should understand that any improvement of the present invention, the equivalent replacement of selected raw materials in the present invention, the addition of auxiliary components, the selection of specific methods, etc., all fall within the scope of protection and disclosure of the present invention.

Claims (10)

1. a kind of photovoltaic component encapsulating film, which is characterized in that the encapsulating film includes polyolefin elastomer base material and is scattered in Rare earth organic light conversion agents in the polyolefin elastomer base material;
The melt index of the polyolefine material is 3~30g/10min.
2. photovoltaic component encapsulating film as described in claim 1, which is characterized in that the rare earth organic light conversion agents account for polyolefin bullet 0.1~0.5wt% of property body;
Preferably, the rare earth organic light conversion agents have the structure of formula (1):
In formula (1), R is arbitrary a kind in thia cyclic group, preferably thienyl;X is rare earth metal, preferably europium (Eu), lanthanum (La), arbitrary a kind in gadolinium (Gd).
3. photovoltaic component encapsulating film as claimed in claim 1 or 2, which is characterized in that the rare earth organic light conversion agents include Eu- α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex, La- α-thiophene trifluoroacetylacetone (TFA)-phenanthroline complex and Gd- α- Arbitrary a kind or at least two kinds of of combination in thiophene trifluoroacetylacetone (TFA)-phenanthroline complex.
4. the photovoltaic component encapsulating film as described in one of claims 1 to 3, which is characterized in that the encapsulating film is in parts by weight Including following component:
100 parts by weight of polyolefin elastomer base material
0.8~1.6 parts by weight of crosslinking agent
0.2~0.5 parts by weight of light stabilizer
0.1~0.5 parts by weight of coupling agent
0.1~0.5 parts by weight of antioxidant
0.1~0.5 parts by weight of rare earth organic light conversion agents.
5. photovoltaic component encapsulating film as claimed in claim 4, which is characterized in that the polyolefin elastomer includes
Wherein, it is 1000~10000 that x, which is 1000~10000, y,;
Preferably, the polyolefin elastic body resistivity is 1016~1017Ω×cm。
6. photovoltaic component encapsulating film as described in claim 4 or 5, which is characterized in that the crosslinking agent includes the first crosslinking agent With the second crosslinking agent;
First crosslinking agent includes two (t-butyl peroxy of the peroxidating 2 ethyl hexanoic acid tert-butyl ester and/or 2,5- dimethyl -2,5- Base) hexane;
Second crosslinking agent includes Triallyl isocyanurate and/or trimethylol-propane trimethacrylate.
7. photovoltaic component encapsulating film as claimed in claim 6, which is characterized in that the adding proportion of first crosslinking agent is poly- 0.5~0.5wt% of olefin elastomer base material;
Preferably, the adding proportion of second crosslinking agent is 0.3~0.8wt% of polyolefin elastomer base material.
8. the photovoltaic component encapsulating film as described in one of claim 4~7, which is characterized in that the light stabilizer includes the last of the ten Heavenly stems two Sour double -2,2,6,6- tetramethyl piperidine alcohol esters;
Preferably, the coupling agent includes γ-(methacryloxypropyl) propyl trimethoxy silicane;
Preferably, the antioxidant includes four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters.
9. the photovoltaic component encapsulating film as described in one of claim 4~8, which is characterized in that the encapsulating film is in parts by weight Including following component:
100 parts by weight
0.5~0.8 parts by weight of the peroxidating 2 ethyl hexanoic acid tert-butyl ester
0.3~0.8 parts by weight of Triallyl isocyanurate
Double 0.2~0.5 parts by weight of -2,2,6,6- tetramethyl piperidines alcohol ester of decanedioic acid
γ -0.1~0.5 parts by weight of (methacryloxypropyl) propyl trimethoxy silicane
Four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters, 0.1~0.5 parts by weight
Eu- α-thiophene trifluoroacetylacetone (TFA) -0.1~0.5 parts by weight of phenanthroline complex.
10. a kind of photovoltaic module, which is characterized in that the photovoltaic module includes the photovoltaic module described in one of claim 1~9 Encapsulating film.
CN201611260140.8A 2016-12-30 2016-12-30 A kind of photovoltaic component encapsulating film and include its photovoltaic module Pending CN108269869A (en)

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