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CN107658355B - A kind of preparation method of flexible solar cell module - Google Patents

A kind of preparation method of flexible solar cell module Download PDF

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Publication number
CN107658355B
CN107658355B CN201710786872.9A CN201710786872A CN107658355B CN 107658355 B CN107658355 B CN 107658355B CN 201710786872 A CN201710786872 A CN 201710786872A CN 107658355 B CN107658355 B CN 107658355B
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flexible
film
encapsulation
solar cell
lamination
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CN107658355A (en
Inventor
孙朋超
朱家宽
陈伟刚
高锦龙
刘杰鹏
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Anhui Huangdao Flexible Photovoltaic Technology Co ltd
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Asahi New Energy Ltd By Share Ltd
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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • H10F19/804—Materials of encapsulations
    • 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

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  • Photovoltaic Devices (AREA)
  • Packages (AREA)

Abstract

A kind of preparation method of flexible solar battery pack, it includes two aspects of laying and encapsulation of flexible solar battery pack, and the laying includes the following steps: a) to be first successively laid with encapsulation notacoria, packaging adhesive film, flexible battery layer；B) positive and negative electrode then is drawn using conductive tape on flexible battery layer and electrode penetrates encapsulation notacoria and carries out the covering of electrode；C) edge seal glue is laid on the encapsulation notacoria of flexible battery layer surrounding again；D) packaging adhesive film and transparency high encapsulating film are next successively laid on flexible battery layer；The encapsulation includes the following steps: that the flexible solar battery pack that will e) lay is put into encapsulating mould；F) encapsulating mould containing flexible solar battery pack is put into laminating machine again, sets laminating parameters: for laminating temperature as 100 DEG C ~ 150 DEG C, lamination pressure is 10KPa ~ 90KPa, and lamination times are 5min ~ 30min；G) cool down after lamination.

Description

A kind of preparation method of flexible solar battery pack
Technical field
The present invention relates to a kind of preparation methods of flexible solar battery pack, more particularly, to for soft The packaging method of property solar cell module, is mainly used in the film sun based on CIGS, CZTS, CdTe solar battery etc. It can battery component and the flexible solar battery pack based on substrates such as polyimides, Ti foil and stainless steel foils.
Background technique
Energy crisis and environmental pollution are the two big basic problems that the current whole world is faced.Solar energy it is inexhaustible with it not It exhausts, is a kind of important channel for solving energy crisis.Solar battery is the photovoltaic module for directly generating electric current by daylight. Traditional crystal silicon component encapsulation uses preceding glass sheet+packaging plastic+hetero-junction solar cell piece+packaging plastic+backboard (or back-panel glass) " system At packaging body, and around packaging body, outer plus aluminum alloy frame structure is protected.This packaged type, crystal silicon component is not It can be carried out biggish Bending Deformation, and weight is big, inconvenient to carry, be not able to satisfy the market demand to product customization；
Have a kind of flexible solar battery pack at present, due to its product quality it is light, it is rollable fold, fear of throwing such as does not touch at the spies Point, so its application prospect is very wide；But it is laid with difficulty due to existing in the preparation process of flexible solar battery pack, and seal Due to the flowing of glue film during dress, it be easy to cause surface folding, it is easier to generate bubble, not only influence the beauty of component, more It will affect the output performance of battery component.
Summary of the invention
It is an object of the invention to overcome the shortcomings of the prior art, and the one kind provided is easy to carry, light weight, at The preparation method of this low, flexible Thinfilm solar cell assembly.
The object of the present invention is achieved by the following technical solutions, a kind of preparation side of flexible solar battery pack Method, it includes two aspects of laying and encapsulation of flexible solar battery pack, and the laying includes the following steps:
A) encapsulation notacoria, packaging adhesive film, flexible battery layer are first successively laid with；
B) positive and negative electrode then is drawn using conductive tape on flexible battery layer and electrode penetrates encapsulation notacoria and carries out The covering of electrode；
C) edge seal glue is laid on the encapsulation notacoria of flexible battery layer surrounding again；
D) packaging adhesive film and transparency high encapsulating film are next successively laid on flexible battery layer；
The encapsulation includes the following steps:
E) flexible solar battery pack laid is put into encapsulating mould；
F) encapsulating mould containing flexible solar battery pack is put into laminating machine again, sets laminating parameters: lamination Temperature is 100 DEG C ~ 150 DEG C, and lamination pressure is 10KPa ~ 90KPa, and lamination times are 5min ~ 30min；
G) cool down after lamination.
As preferred:
In the step b), also it is equipped between the flexible battery layer and conductive tape for guaranteeing battery layers edge With the insulating tape of conductive tape insulation；
In the step d), the packaging adhesive film is EVA adhesive film or POE glue film, with a thickness of 10um ~ 500um；
Transparency high encapsulating film moisture-vapor transmission < 10-1g/m2.Day, with a thickness of 10um ~ 300um, light transmittance is 80%~100%；
In the step e), the encapsulating mould is in stainless steel plate, tetrafluoro plate, silica gel plate, PET film or PVC film One kind, with a thickness of 0.05mm ~ 5mm.
The flexible solar battery pack carries out interior series connection using full laser scribing, and makes its positive and negative anodes in component two Side；
An Xelminator is also needed in the process of deployment, for eliminating the electrostatic on encapsulating material, the electrostatic disappears Except device can remove the electrostatic on encapsulating material when being laid with, it is conducive to be laid with.On the other hand, Xelminator can be protected effectively Battery layers are protected, discharge breakdown battery layers are prevented.
As preferred: the transparency high encapsulating film and encapsulation notacoria is fep film, ETFE film or PET film；
The flexible battery layer is flexible CIGS thin-film solar cells, flexible CdTe thin film solar cell, flexibility GaAs thin-film solar cells, flexibility CZTS thin-film solar cells or flexible polycrystal silicon film solar battery；
Thinfilm solar cell assembly prepared by the present invention has the spies such as easy to carry, light weight, at low cost, flexible Point.
Detailed description of the invention
Fig. 1 is the laying structure schematic diagram of thin-film solar cells of the present invention；
Fig. 2 be an embodiment of the present invention in be laid with flexible solar battery pack top view (not glue film containing upper layer and Transparency high encapsulating film).
Fig. 3 is the front view that flexible solar battery pack is put into mold in a kind of embodiment of the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.It should be appreciated that providing as described herein Specific embodiment be in order to illustrate the application, rather than limit the application.It should also be noted that for ease of description, in attached drawing In only the parts related to the present invention are shown.
Fig. 1, shown in 2, a kind of preparation method of flexible solar battery pack of the present invention, it includes the flexible sun Two aspects of laying and encapsulation of energy battery component, the laying include the following steps:
A) encapsulation notacoria 1, packaging adhesive film 2, flexible battery layer 3 are first successively laid with；
B) positive and negative electrode then is drawn using conductive tape 4 on flexible battery layer 3 and electrode penetrates encapsulation notacoria 1 and goes forward side by side The covering of row electrode；
C) edge seal glue 5 is laid on the encapsulation notacoria of flexible battery layer surrounding again；
D) packaging adhesive film 2 and transparency high encapsulating film 6 are next successively laid on flexible battery layer；
Shown in Fig. 3, the encapsulation includes the following steps:
E) flexible solar battery pack 8 laid is put into encapsulating mould 9；
F) encapsulating mould containing flexible solar battery pack is put into laminating machine again, sets laminating parameters: lamination Temperature is 100 DEG C ~ 150 DEG C, and lamination pressure is 10KPa ~ 90KPa, and lamination times are 5min ~ 30min；
G) cool down after lamination.
In step b) of the present invention, also it is equipped between the flexible battery layer 3 and conductive tape 4 for guaranteeing electricity The insulating tape 7 at pond layer edge and conductive tape insulation；
In the step d), the packaging adhesive film is EVA adhesive film or POE glue film, with a thickness of 10um ~ 500um；
Transparency high encapsulating film moisture-vapor transmission < 10-1g/m2.Day, with a thickness of 10um ~ 300um, light transmittance is 80%~100%；
In the step e), the encapsulating mould 9 is in stainless steel plate, tetrafluoro plate, silica gel plate, PET film or PVC film One kind, with a thickness of 0.05mm ~ 5mm.
The flexible solar battery pack carries out interior series connection using full laser scribing, and makes its positive and negative anodes in component two Side；
An Xelminator is also needed in the process of deployment, for eliminating the electrostatic on encapsulating material.
Transparency high encapsulating film of the present invention and encapsulation notacoria are fep film, ETFE film or PET film；The flexible electrical Pond layer is flexible CIGS thin-film solar cells, flexible CdTe thin film solar cell, flexibility GaAs thin-film solar cells, soft Property CZTS thin-film solar cells or flexible polycrystal silicon film solar battery；
Embodiment: the present invention carries out the laying of flexible solar battery pack first.Steps are as follows for laying:
1) it is laid with 220mm*440mm specification, on the base station containing Xelminator with a thickness of the fep film of 50um；
2) central part is laid with 200mm*420mm specification on fep film, with a thickness of the POE glue film of 200um；
3) fixed 200mm*420mm specification is put using locating adhesive tape on POE glue film, with a thickness of the flexible CIGS of 52um Thin-film solar cells；
4) positive and negative anodes are drawn using the conductive tape that width is 5mm in flexible CIGS thin-film solar cells, in battery Edge keeps apart conductive tape using insulating tape；Then electrode passes through fep film by cabling；Recycling blocks adhesive tape handle Electrode is hidden；
5) edge seal glue is laid on the fep film of flexible battery layer surrounding, edge seal glue is with a thickness of 0.4mm, width For 8mm;
6) the POE glue film of one layer of 200um thickness is re-layed on flexible battery layer；
7) layer of transparent high resistant encapsulating film ETFE film is re-layed on surface；
Above step is completed, using resistance between multimeter measurement positive and negative electrode, prevents from being laid with component open circuit；
In the present embodiment, the step of encapsulation of flexible solar battery pack are as follows:
8) flexible solar battery pack that laying is completed is put into stainless steel mould, downside stainless steel mould is thick 3mm, upside stainless steel mould thickness 4mm；
9) centre is put into laminating machine containing the stainless steel mould of flexible solar battery pack, is covered with high temperature cloth；
10) setting laminating parameters are respectively as follows: 135 DEG C of temperature, pumpdown time 240s, primary pressurization -90KPa, when continuing Between 20s, secondary pressurized -50KPa, duration 20s, pressurization -20KPa, duration 300s three times,
11) start to be laminated；
12) lamination terminates, and takes out mold, slow cooling；
Through this embodiment, the flexible solar battery pack of corrugationless bubble-free can be prepared, component thickness is 0.5 ~ 0.6mm and component power mass ratio can reach 0.16w/g.
Embodiment 2: the laying of flexible solar battery pack is carried out first, steps are as follows for laying:
1) it is laid with 220mm*440mm specification, on the base station containing Xelminator with a thickness of the ETFE film of 25um；
2) central part is laid with 200mm*420mm specification on ETFE film, with a thickness of the EVA adhesive film of 100um；
3) fixed 200mm*420mm specification is put using locating adhesive tape in EVA adhesive film, with a thickness of the flexible CIGS of 52um Thin-film solar cells；
4) positive and negative anodes are drawn using the conductive tape that width is 5mm in flexible CIGS thin-film solar cells, in battery Edge keeps apart conductive tape using insulating tape；Then electrode passes through ETFE film by cabling；Recycling blocks adhesive tape Electrode is hidden；
5) edge seal glue is laid on the ETFE film of flexible battery layer surrounding, edge seal glue is with a thickness of 0.2mm, width For 8mm;
6) EVA adhesive film of one layer of 100um thickness is re-layed on flexible battery layer；
7) layer of transparent high resistant encapsulating film ETFE film is re-layed on surface；
Above step is completed, using resistance between multimeter measurement positive and negative electrode, prevents from being laid with component open circuit；
In the present embodiment, the step of encapsulation of flexible solar battery pack are as follows:
8) flexible solar battery pack that laying is completed is put into tetrafluoro board mold, downside tetrafluoro board mold is thick 1mm, upside tetrafluoro board mold thickness 1.5mm；
9) centre is put into laminating machine containing the stainless steel mould of flexible solar battery pack, is covered with high temperature cloth；
10) setting laminating parameters are respectively as follows: 145 DEG C of temperature, pumpdown time 180s, primary pressurization -90KPa, when continuing Between 20s, secondary pressurized -40KPa, duration 20s, pressurization -20KPa, duration 240s three times,
11) start to be laminated；
12) lamination terminates, and takes out mold, slow cooling.
Through this embodiment, the flexible solar battery pack of corrugationless bubble-free can be prepared, component thickness is 0.2 ~ 0.3mm and component power mass ratio can reach 0.217w/g.
Above description is only the description to the principle of the application preferred embodiment and application technology.Technology belonging to the present invention The technical staff in field can make various modifications or additions to the described embodiments or by a similar method Substitution, content without departing from description of the invention or beyond the scope defined by this claim should belong to this The protection scope of invention.

Claims (2)

1.一种柔性太阳能电池组件的制备方法，它包括柔性太阳能电池组件的铺设和封装两个方面，其特征在于所述的铺设包括如下步骤：1. A preparation method of a flexible solar cell assembly, which comprises two aspects of laying and encapsulation of a flexible solar cell assembly, characterized in that the laying comprises the following steps: a）先依次铺设封装背膜（1）、封装胶膜（2）、柔性电池层（3）；a) First lay the packaging back film (1), the packaging adhesive film (2), and the flexible battery layer (3) in sequence; b）然后在柔性电池层（3）上利用导电胶带（4）引出正负电极且电极穿透封装背膜（1）并进行电极的遮盖；所述柔性电池层（3）与导电胶带（4）之间还铺设有用于保证电池层边缘与导电胶带绝缘的绝缘胶带；b) Then, on the flexible battery layer (3), the positive and negative electrodes are drawn out using the conductive tape (4) and the electrodes penetrate the packaging back film (1) and the electrodes are covered; the flexible battery layer (3) and the conductive tape (4) ) is also laid with insulating tape to ensure the insulation of the edge of the battery layer and the conductive tape; c）再在柔性电池层四周的封装背膜上铺设边缘密封胶（5）；c) Lay edge sealant (5) on the packaging back film around the flexible battery layer; d）接下来在柔性电池层上依次铺设封装胶膜（2）和透明高阻封装膜（6）；所述封装胶膜是EVA胶膜或POE胶膜，其厚度为10um~500um；所述透明高阻封装膜水蒸气透过率<10-1g/m2.day,厚度为10um~300um,透光率为80%~100%；d) Next, an encapsulation adhesive film (2) and a transparent high-resistance encapsulation film (6) are sequentially laid on the flexible battery layer; the encapsulation adhesive film is an EVA adhesive film or a POE adhesive film, and its thickness is 10um to 500um; The water vapor transmission rate of the transparent high-resistance packaging film is <10-1g/m2.day, the thickness is 10um~300um, and the light transmission rate is 80%~100%; 所述的封装包括如下步骤：The encapsulation includes the following steps: e）将铺设好的柔性太阳能电池组件放入封装模具（9）；所述封装模具（9）是不锈钢板、四氟板、硅胶板、PET膜或PVC膜中的一种，其厚度为0.05mm~5mm；所述柔性太阳能电池组件利用全激光划线进行内串联，并使其正负极在组件两侧； 所述铺设过程中还需要一静电消除器，用于消除封装材料上的静电；e) Put the laid flexible solar cell module into the encapsulation mold (9); the encapsulation mold (9) is one of stainless steel plate, PTFE plate, silicone plate, PET film or PVC film, and its thickness is 0.05 mm ~ 5mm; the flexible solar cell module is connected in series with full laser scribing, and the positive and negative electrodes are on both sides of the module; a static eliminator is also required during the laying process to eliminate static electricity on the packaging material ; f）再把含有柔性太阳能电池组件的封装模具放入层压机中，设定层压参数：层压温度为100℃~150℃，层压压力为10KPa~90KPa，层压时间为5min~30min；f) Put the encapsulation mold containing the flexible solar cell module into the laminator, and set the lamination parameters: lamination temperature is 100℃~150℃, lamination pressure is 10KPa~90KPa, lamination time is 5min~30min ; g）层压之后进行降温。g) Cooling after lamination. 2.根据权利要求1所述的一种柔性太阳能电池组件的制备方法，其特征在于： 所述的透明高阻封装膜及封装背膜是FEP膜、ETFE膜或PET膜； 所述柔性电池层是柔性CIGS薄膜太阳能电池、柔性CdTe薄膜太阳能电池、柔性GaAs薄膜太阳能电池、柔性CZTS薄膜太阳能电池或柔性晶硅薄膜太阳能电池。2 . The method for preparing a flexible solar cell module according to claim 1 , wherein: the transparent high-resistance packaging film and the packaging back film are FEP film, ETFE film or PET film; the flexible cell layer It is a flexible CIGS thin film solar cell, a flexible CdTe thin film solar cell, a flexible GaAs thin film solar cell, a flexible CZTS thin film solar cell or a flexible crystalline silicon thin film solar cell.
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CN110534603A (en) * 2018-05-25 2019-12-03 米亚索能光伏科技有限公司 A kind of photovoltaic module and preparation method thereof
CN108831942A (en) * 2018-06-27 2018-11-16 广东汉能薄膜太阳能有限公司 Curved photovoltaic module and its processing method
CN110783420A (en) * 2018-07-13 2020-02-11 汉能移动能源控股集团有限公司 Solar cell module, packaging method thereof and heat sealing device
CN109638108B (en) * 2018-12-05 2020-04-14 上海空间电源研究所 Component packaging method for warped flexible solar cells for stratospheric aircraft
CN111403513A (en) * 2018-12-27 2020-07-10 北京汉能光伏投资有限公司 Solar power supply clothes, and packaging method and device of solar cell module
CN110246909B (en) * 2019-07-23 2024-01-30 绵阳皓华光电科技有限公司 Low-cost flexible inline solar cell packaging structure and method
CN113364409A (en) * 2021-06-30 2021-09-07 中国建材国际工程集团有限公司 Foldable cadmium telluride thin film solar cell module and preparation method thereof

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