CN108735841A - A kind of solar cell package plate and preparation method thereof, solar cell - Google Patents

A kind of solar cell package plate and preparation method thereof, solar cell Download PDF

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Publication number
CN108735841A
CN108735841A CN201810514636.6A CN201810514636A CN108735841A CN 108735841 A CN108735841 A CN 108735841A CN 201810514636 A CN201810514636 A CN 201810514636A CN 108735841 A CN108735841 A CN 108735841A
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China
Prior art keywords
coating
layer
solar cell
equal
cell package
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CN201810514636.6A
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Chinese (zh)
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逯平
张军利
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Beijing Hanergy Solar Power Investment Co Ltd
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Beijing Hanergy Solar Power Investment Co Ltd
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Priority to CN201810514636.6A priority Critical patent/CN108735841A/en
Publication of CN108735841A publication Critical patent/CN108735841A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • H01L31/0481Encapsulation of modules characterised by the composition of the encapsulation material
    • 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

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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)
  • Laminated Bodies (AREA)
  • Photovoltaic Devices (AREA)

Abstract

This application provides a kind of solar cell package plate and preparation method thereof, solar cells, wherein solar cell package plate, it can increase the adhesive force of barrier layer by the way that first coating is arranged, make solar cell package plate that there is higher block-water performance by the way that barrier layer is arranged;By second coating be bonded fluorine film layer, so that the light transmittance of solar cell package plate and ageing-resistant effect is improved, at the same more wear-resisting, scratch resistance and have self-cleaning function;By the way that encapsulated layer is arranged, the light transmittance and ageing-resistant effect that can make solar cell package plate further increase, it can be ageing-resistant up to 25 years or more, it is easier to storage, is laminated, safety and environmental protection, packaging technology is simple, product integration is realized simultaneously, it is easy to use, make subsequent encapsulating process time-saving and efficiency, lower cost.

Description

A kind of solar cell package plate and preparation method thereof, solar cell
Technical field
The present invention relates to technical field of solar, more particularly to a kind of solar cell package plate and preparation method thereof, Solar cell.
Background technology
A new varieties of the flexible thin-film solar cell as solar cell, technologically advanced, function admirable, purposes are wide It is general, increasingly it is valued by people.Due to the application environment particularity of flexible thin-film solar component, it is desirable that solar cell Package board has certain translucency, resistance to ag(e)ing, insulating properties, self-cleaning, anti-flammability, reelability, simultaneously because certain thin-film electros Pond (such as CIGS hull cell) is more sensitive to moisture, and flexible solar battery package board will also have high block-water performance.
Flexible solar battery package board is mainly using a kind of composite membrane in the prior art, including etfe film, UV Obstruct membrane, the film that blocks water, PET film etc., however the water vapor rejection effect of existing product is poor, and meanwhile it is not ageing-resistant, service life is short, envelope It fills complex process to take, translucent effect is also difficult to further be promoted, and influences the reliability of solar cell.
Invention content
A kind of solar cell package plate of present invention offer and preparation method thereof, solar cell, to improve solar-electricity The reliability in pond.
To solve the above-mentioned problems, the invention discloses a kind of solar cell package plate, the solar cell packages Plate includes:
Substrate layer, the substrate layer have the first surface and second surface being oppositely arranged;
First coating, barrier layer, second coating and the fluorine film layer being cascading on the first surface, described One coating is arranged close to the substrate layer;
And the encapsulated layer on the second surface is set.
Optionally, the substrate layer is thermoplastic poly ester film.
Optionally, the first coating include in acrylic compounds film layer, polyurethanes film layer and polyesters film layer at least It is a kind of.
Optionally, the thickness of the first coating is greater than or equal to 1 μm, and is less than or equal to 15 μm.
Optionally, the water vapor transmittance of the barrier layer is less than 5*10-3g/m2·day。
Optionally, the material of the barrier layer includes Ti, Ni, Cr, NiCr, TiN, ZnO, TiO2、SnO2、SiO2、Nb2O5、 Ta2O5And Si3N4At least one of.
Optionally, the thickness of the barrier layer is greater than or equal to 1 μm, and is less than or equal to 30 μm.
Optionally, the material of the second coating includes adhesive for polyurethane, acrylic resin adhesive, epoxide-resin glue Glutinous at least one of agent and polyester adhesive.
Optionally, the thickness of the second coating is greater than or equal to 5 μm, and is less than or equal to 15 μm.
Optionally, the fluorine film layer includes polyvinyl fluoride film layer, PVDF membrane layer, ethylene-tetrafluoroethylene copolymerization At least one of one chlorotrifluoroethylene film layer of object film layer and ethylene.
Optionally, the thickness of the fluorine film layer is greater than or equal to 25 μm, and is less than or equal to 50 μm.
Optionally, the encapsulated layer is layer of silica gel.
To solve the above-mentioned problems, the invention also discloses a kind of solar cell, including solar battery chip and upper Any one of them solar cell package plate is stated, the solar battery chip is fixed on the solar cell package plate On.
To solve the above-mentioned problems, the invention also discloses a kind of preparation method of solar cell package plate, the systems Preparation Method includes:
Substrate layer is provided, the substrate layer has the first surface and second surface being oppositely arranged;
First coating, barrier layer, second coating and fluorine film layer are sequentially formed on the first surface;
Encapsulated layer is formed on the second surface.
Optionally, first coating, the step of barrier layer, second coating and fluorine film layer are sequentially formed on the first surface Suddenly, including:
First coating mixed solution is provided;
The first coating mixed solution is coated on the first surface by coating method, it is wet to form first coating Film;
The first specified duration of processing is dried to the first coating wet film under the first assigned temperature, obtains described the One coating.
Optionally, first assigned temperature is greater than or equal to 50 DEG C, and is less than or equal to 70 DEG C;It is described first it is specified when It is long to be greater than or equal to 1 minute, and be less than or equal to 5 minutes.
Optionally, first coating, the step of barrier layer, second coating and fluorine film layer are sequentially formed on the first surface Suddenly, including:
By atom layer deposition process or magnetron sputtering technique, deviate from the side of the substrate layer in the first coating Form the barrier layer.
Optionally, first coating, the step of barrier layer, second coating and fluorine film layer are sequentially formed on the first surface Suddenly, including:
Second coating mixed solution is provided;
The second coating mixed solution is coated on the barrier layer away from the one of the substrate layer by coating method Side surface forms second coating wet film;
The second specified duration of processing is dried to the second coating wet film under the second assigned temperature, obtains described the Two coatings.
Optionally, second assigned temperature is greater than or equal to 50 DEG C, and is less than or equal to 100 DEG C;Described second is specified Duration is greater than or equal to 1 minute, and is less than or equal to 5 minutes.
Optionally, first coating, the step of barrier layer, second coating and fluorine film layer are sequentially formed on the first surface Suddenly, including:
By laminar way, deviate from the laminated fluorine film layer in side of the substrate layer in the second coating.
Optionally, the step of forming encapsulated layer on the second surface, including:
Silica gel mixed liquor is provided;
The silica gel mixed liquor is coated on the second surface by coating method and forms silica gel wet film;
Processing third is dried to the silica gel wet film under third assigned temperature and specifies duration, obtains layer of silica gel.
Optionally, the third assigned temperature is greater than or equal to 50 DEG C, and is less than or equal to 120 DEG C;The third is specified Duration is greater than or equal to 1 minute, and is less than or equal to 5 minutes.
Optionally, the coating method includes at least one of slit painting, roller coating, blade coating, spraying and spin coating.
Compared with prior art, the present invention includes following advantages:
This application provides a kind of solar cell package plate and preparation method thereof, solar cells, wherein solar-electricity Pond package board includes substrate layer, and the substrate layer has the first surface and second surface being oppositely arranged;It is cascading First coating, barrier layer, second coating and fluorine film layer, the first coating on the first surface are set close to the substrate layer It sets;And the encapsulated layer on the second surface is set;It can increase the adhesive force of barrier layer by the way that first coating is arranged, lead to Crossing setting barrier layer makes solar cell package plate have higher block-water performance;It is bonded fluorine film layer by second coating, is made too It is positive can cell package plate light transmittance and ageing-resistant effect be improved, while more wear-resisting, scratch resistance and there is automatically cleaning work( Energy;By the way that encapsulated layer is arranged, the light transmittance of solar cell package plate and ageing-resistant effect can be made to further increase, be resistant to old Change up to 25 years or more, it is easier to store, be laminated, safety and environmental protection, packaging technology is simple, while realizing product integration, user Just, make subsequent encapsulating process time-saving and efficiency, lower cost.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 shows a kind of cross-sectional view for solar cell package plate that one embodiment of the application provides;
Fig. 2 shows a kind of step flows of the preparation method of solar cell package plate of one embodiment of the application offer Schematic diagram;
Fig. 3, which is shown, prepares the in the preparation method of solar cell package plate that another embodiment of the application provides a kind of The step flow diagram of one coating;
Fig. 4, which is shown, prepares the in the preparation method of solar cell package plate that the another embodiment of the application provides a kind of The step flow diagram of two coatings;
Fig. 5, which is shown in the preparation method of solar cell package plate that the another embodiment of the application provides a kind of, prepares envelope Fill the step flow diagram of layer.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.
One embodiment of the application provides a kind of solar cell package plate, and referring to Fig.1, which can To include substrate layer 11, substrate layer 11 is with the first surface 111 and second surface 112 being oppositely arranged;It is cascading First coating 12, barrier layer 13, second coating 14 on first surface 111 and fluorine film layer 15, first coating 12 is close to substrate layer 11 settings;And the encapsulated layer 16 being arranged on second surface 112.
Solar cell package plate provided in this embodiment can increase the attachment of barrier layer by the way that first coating is arranged Power makes solar cell package plate have higher block-water performance by the way that barrier layer is arranged;It is bonded fluorine film layer by second coating, The light transmittance and ageing-resistant effect for making solar cell package plate are improved, while more wear-resisting, scratch resistance and with from clear Clean function;By setting encapsulated layer, the light transmittance of solar cell package plate and ageing-resistant effect can be made to further increase, it can It is ageing-resistant up to 25 years or more, it is easier to store, be laminated, safety and environmental protection, packaging technology is simple, while realize product integration, make With conveniently, make subsequent encapsulating process time-saving and efficiency, lower cost.
In practical applications, substrate layer 11 can be thermoplastic polyester film, can specifically include to poly- ethylene At least one of materials such as diol ester, polyethylene naphthalate and polybutylene terephthalate.The thickness of substrate layer 11 Degree can be greater than or equal to 100 μm, and be less than or equal to 200 μm, such as 150 μm.Wherein substrate layer 11 can be it is transparent or Colored.In order to improve the transmitance of solar cell package plate, the transmitance of substrate layer 11 is preferably greater than or equal to 90%.
The material of first coating 12 can be one or more of the materials such as polyester, polyurethane and acrylic acid mixture. The thickness of first coating 12 can be greater than or equal to 1 μm, and be less than or equal to 15 μm, such as 10 μm.It is coated on substrate layer 11 After first coating 12, the attaching surface of barrier layer 13 can be made more wear-resisting scratch-resistant, while surface is smooth continuous, roughness compared with It is low.The setting of first coating 12 can improve the adhesive force of barrier layer 13.
The thickness of barrier layer 13 can be greater than or equal to 1 μm, and be less than or equal to 30 μm, such as 20 μm.Barrier layer 13 Material can there are many, such as Ti, Ni, Cr, NiCr, TiN, ZnO, TiO2、SnO2、SiO2、Nb2O5、Ta2O5And Si3N4In equal materials One or more of mixtures, but the application is not limited in above-mentioned material, and every translucent material that can obstruct steam is all Within the protection domain of the present embodiment.In order to meet the needs of CIGS hull cell, the steam of preferably barrier layer 13 is saturating It crosses rate and is less than 5*10-3g/m2·day.The manufacture craft of barrier layer 13 can be determining according to specific material and structure etc., such as It is prepared by techniques such as atomic layer deposition, magnetron sputterings.
The material of second coating 14 may include at least one of following gluing agent material:Transparent polyurethane adhesive, Transparent acrylic resin adhesive, transparent epoxy resin adhesive and transparent polyester adhesive etc..The thickness of second coating 14 can To be greater than or equal to 5 μm, and it is less than or equal to 15 μm, such as 10 μm.It is higher resistance in order to make solar cell package plate have Imparted energy, can also be by adding anti-UV agent, such as carbon black, iron oxide red, zinc oxide, benzophenone in second coating 14 Class or benzotriazole compound etc..Certainly, suitable curing agent, such as ethylene can also be according to circumstances added in second coating 14 Base triamine, aminoethyl piperazine or m-phenylene diamine (MPD) etc..
Fluorine film layer 15 may include polyvinyl fluoride film layer, PVDF membrane layer, ethylene-tetrafluoroethylene copolymer film layer At least one of with the fluorine-contained films class material such as one chlorotrifluoroethylene film layer of ethylene.The thickness of fluorine film layer 15 can be big In or be equal to 25 μm, and be less than or equal to 50 μm, such as 40 μm.In order to improve the transmitance of solar cell package plate, preferably The light transmittance of fluorine film layer 15 is greater than or equal to 93%.It is bonded fluorine film layer 15 by second coating 14, solar cell can be improved The ageing-resistant effect of package board, at the same more wear-resisting, scratch resistance and have self-cleaning function.
Encapsulated layer 16 can be layer of silica gel.Since the transmitance of layer of silica gel is generally higher than 97%, relative in prior art The transparent enclosure film made of the encapsulation adhesives such as EVA, PVB, POE, the sun can be further increased using layer of silica gel The light transmittance of energy cell package plate, and the manufacture craft of layer of silica gel is simpler, and yield rate is higher, to reduce cost.When So, encapsulated layer 16 can also be the transparent enclosures such as polyolefin film, ethene-vinyl acetate film or polyvinyl butyral film Material.
By making layer of silica gel, the light transmittance for further increasing solar cell package plate can be improved, solar-electricity is made The light transmittance of pond package board is up to 95% or more, and ageing-resistant effect was up to 25 years or more, it is easier to and it stores, be laminated, safety and environmental protection, Packaging technology is simple, while realizing product integration, easy to use, keeps subsequent encapsulating process time-saving and efficiency, cost relatively low.
In another embodiment of the application, a kind of solar cell is additionally provided, may include solar battery chip and upper The solar cell package plate described in any embodiment is stated, wherein solar battery chip is fixed on solar cell package plate On.
In another embodiment of the application, a kind of preparation method of solar cell package plate is additionally provided, it, should with reference to Fig. 2 Preparation method may include:
Step 201:Substrate layer is provided, substrate layer has the first surface and second surface being oppositely arranged.
Specifically, the step may include the process being cleaned and dried to substrate layer, the wherein material of substrate layer can be with Include in the base materials such as polyethylene terephthalate, polyethylene naphthalate and polybutylene terephthalate at least It is a kind of.The thickness of substrate layer can determine according to actual needs, such as can be greater than or equal to 100 μm, and be less than or equal to 200 μm。
Step 202:First coating, barrier layer, second coating and fluorine film layer are sequentially formed on the first surface.
Specifically, first coating, barrier layer, second coating and fluorine film layer generation type there are many, such as can lead to It crosses coating method and forms first coating, barrier layer is formed by atom layer deposition process or magnetron sputtering technique, passes through coating Mode forms second coating, is bonded fluorine film layer by laminar way, laminar way includes but not limited to squeeze out again in the present embodiment It is legal, it is coextruded composite algorithm, solvent-free composite algorithm, dry type composite algorithm and wet type composite algorithm.
Step 203:Encapsulated layer is formed on a second surface.
Specifically, the generation type of encapsulated layer also there are many, such as can pass through be coated with etc. modes, formed layer of silica gel
The solar cell package plate that the preparation method provided through this embodiment obtains, by forming on substrate layer One coating increases the adhesive force of barrier layer, so that solar cell package plate is had higher water preventing ability by forming barrier layer Energy;It is bonded fluorine film layer by second coating, so that the light transmittance of solar cell package plate and ageing-resistant effect is improved, simultaneously More wear-resisting, scratch resistance simultaneously has self-cleaning function;By forming encapsulated layer, the light transmittance of solar cell package plate can be made It is further increased with ageing-resistant effect, it can be ageing-resistant up to 25 years or more, it is easier to it stores, be laminated, safety and environmental protection, packaging technology letter It is single, while realizing product integration, it is easy to use, make subsequent encapsulating process time-saving and efficiency, lower cost.
In a kind of realization method of the present embodiment, with reference to Fig. 3, above-mentioned steps 202 may further include:
Step 301:First coating mixed solution is provided.
Specifically, the material of the first coating mixed solution may include the materials such as acrylic compounds, polyurethanes and polyesters At least one of material.
Step 302:First coating mixed solution is coated on first surface by coating method, it is wet to form first coating Film.
Specifically, one or more of mutually knots in the coating methods such as slit painting, roller coating, blade coating, spraying or spin coating may be used It closes.
Step 303:The first specified duration of processing is dried to first coating wet film under the first assigned temperature, obtains the One coating.
Specifically, above-mentioned first coating wet film forms first coating, first coating after drying process at a certain temperature Surface it is more wear-resisting scratch-resistant, while surface is smooth continuous, and roughness is relatively low.The thickness of first coating can be greater than or equal to 1 μ M, and it is less than or equal to 15 μm, specifically it can carry out process control according to structural requirement.In practical applications, the first assigned temperature 50 DEG C can be greater than or equal to, and be less than or equal to 70 DEG C;First specified duration can be greater than or equal to 1 minute, and be less than or Equal to 5 minutes.It should be noted that the preparation process of first coating and not only limiting a kind of this realization method, work is specifically prepared Skill can determine that the application is not construed as limiting this according to factors such as the material of first coating and structures.
In a kind of realization method of the present embodiment, above-mentioned steps 202 can further include:
By atom layer deposition process or magnetron sputtering technique, barrier is formed away from the side of substrate layer in first coating Layer.
Specifically, the material of barrier layer can there are many, such as Ti, Ni, Cr, NiCr, TiN, ZnO, TiO2、SnO2、SiO2、 Nb2O5、Ta2O5And Si3N4Deng one or more of mixing, thickness can be greater than or equal to 1 μm, and be less than or equal to 30 μ m.In order to meet the needs of CIGS hull cell, the preferably water vapor transmittance of barrier layer is less than 5*10-3g/m2·day.It needs It should be noted that the preparation process of barrier layer and not only limiting a kind of this realization method, specific preparation process can be according to barrier The factors such as the material of layer and structure determine that the application is not construed as limiting this.
In a kind of realization method of the present embodiment, with reference to Fig. 4, above-mentioned steps 202 can further include:
Step 401:Second coating mixed solution is provided.
Specifically, anti-UV agent, adhesive major ingredient and curing agent can be added in stirring container, homogenizer 2000 Turn/min stirrings, obtains second coating mixed solution after mixing and be added in coating machine reservoir.Wherein adhesive major ingredient It may include at least one of following gluing agent material:It is transparent polyurethane adhesive, transparent acrylic resin adhesive, transparent Epoxy resin adhesive and transparent polyester adhesive etc..The UV agent of its moderate resistance is higher in order to make solar cell package plate have UV resistant performance, anti-UV agent can be carbon black, iron oxide red, zinc oxide, benzophenone or benzotriazole compound etc.. Wherein curing agent can be added according to circumstances in right amount, and curing agent can be vinyl triamine, aminoethyl piperazine or m-phenylene diamine (MPD) etc..
Step 402:Second coating mixed solution is coated on the side table that barrier layer deviates from substrate layer by coating method Face forms second coating wet film.
Specifically, one or more of mutually knots in the coating methods such as slit painting, roller coating, blade coating, spraying or spin coating may be used It closes.
Step 403:The second specified duration of processing is dried to second coating wet film under the second assigned temperature, obtains the Two coatings.
Specifically, the thickness of second coating can be greater than or equal to 5 μm, and it is less than or equal to 15 μm, specific thickness, technique Parameter and material etc. can carry out process control according to the requirement of adhesion strength.In practical applications, the second assigned temperature 50 DEG C can be greater than or equal to, and be less than or equal to 100 DEG C;Second specified duration can be greater than or equal to 1 minute, and be less than or Equal to 5 minutes.
It should be noted that the preparation process of second coating and not only limiting a kind of this realization method, specific preparation process It can determine that the application is not construed as limiting this according to factors such as the material of second coating and structures.
In a kind of realization method of the present embodiment, above-mentioned steps 202 can further include:
By laminar way, fluorine film layer is bonded away from the side of substrate layer in second coating.
Specifically, fluorine film layer can be bonded rapidly using laminar way away from the side of substrate layer in second coating, it is compound Roll temperature can be arranged at 25-80 DEG C, and pressure can be 3-8 kilograms.Fluorine film layer is bonded on barrier layer by second coating, The ageing-resistant effect that solar cell package plate can be improved makes its more wear-resisting, scratch resistance and has self-cleaning function.
In a kind of realization method of the present embodiment, with reference to Fig. 5, above-mentioned steps 203 may further include:
Step 501:Silica gel mixed liquor is provided.
Specifically, this step includes stirring evenly silica gel mixed liquor.
Step 502:Silica gel mixed liquor is coated on the second surface by coating method and forms silica gel wet film.
Specifically, in the modes such as second surface use spray, slit painting, roller coating, blade coating, spraying or the spin coating of substrate layer One or more combination prepare silica gel wet film.
Step 503:Processing third is dried to silica gel wet film under third assigned temperature and specifies duration, obtains silica gel Layer.
Specifically, third assigned temperature can be greater than or equal to 50 DEG C, and it is less than or equal to 120 DEG C;Third specifies duration It can be greater than or equal to 1 minute, and be less than or equal to 5 minutes.
The solar cell package plate that the preparation method provided by above-described embodiment obtains, overall thickness can pass through technique tune Control, for light transmittance up to 95% or more, water vapor transmittance is less than 5*10-3g/m2Day, ageing-resistant effect were more easy to up to 25 years or more In storage, lamination, safety and environmental protection, packaging technology is simple, and cost is relatively low.
The embodiment of the present application provides a kind of solar cell package plate and preparation method thereof, solar cell, wherein too Positive energy cell package plate includes substrate layer, and the substrate layer has the first surface and second surface being oppositely arranged;It stacks gradually First coating, barrier layer, second coating and fluorine film layer on the first surface is set, and the first coating is close to the base Material layer is arranged;And the encapsulated layer on the second surface is set;It can increase the attached of barrier layer by the way that first coating is arranged Put forth effort, makes solar cell package plate that there is higher block-water performance by the way that barrier layer is arranged;It is bonded fluorine film by second coating Layer, so that the light transmittance of solar cell package plate and ageing-resistant effect is improved, while more wear-resisting, scratch resistance and with from Cleaning function;By setting encapsulated layer, the light transmittance of solar cell package plate and ageing-resistant effect can be made to further increase, It can be ageing-resistant up to 25 years or more, it is easier to it stores, be laminated, safety and environmental protection, packaging technology is simple, while realizing product integration, It is easy to use, make subsequent encapsulating process time-saving and efficiency, lower cost.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with The difference of other embodiment, the same or similar parts between the embodiments can be referred to each other.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, commodity or equipment including a series of elements include not only that A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, commodity or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in process, method, commodity or the equipment including the element.
A kind of solar cell package plate provided by the present invention and preparation method thereof, solar cell are carried out above It is discussed in detail, principle and implementation of the present invention are described for specific case used herein, above example Illustrate the method and its core concept for being merely used to help understand the present invention;Meanwhile for those of ordinary skill in the art, according to According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification It should not be construed as limiting the invention.

Claims (23)

1. a kind of solar cell package plate, which is characterized in that including:
Substrate layer, the substrate layer have the first surface and second surface being oppositely arranged;
First coating, barrier layer, second coating and the fluorine film layer being cascading on the first surface, described first applies Layer is arranged close to the substrate layer;
And the encapsulated layer on the second surface is set.
2. solar cell package plate according to claim 1, which is characterized in that the substrate layer is that thermoplastic polyester is thin Film.
3. solar cell package plate according to claim 1, which is characterized in that the first coating includes acrylic compounds At least one of film layer, polyurethanes film layer and polyesters film layer.
4. solar cell package plate according to claim 1, which is characterized in that the thickness of the first coating be more than or Equal to 1 μm, and it is less than or equal to 15 μm.
5. solar cell package plate according to claim 1, which is characterized in that the water vapor transmittance of the barrier layer is small In 5*10-3g/m2·day。
6. solar cell package plate according to claim 1, which is characterized in that the material of the barrier layer include Ti, Ni、Cr、NiCr、TiN、ZnO、TiO2、SnO2、SiO2、Nb2O5、Ta2O5And Si3N4At least one of.
7. solar cell package plate according to claim 1, which is characterized in that the thickness of the barrier layer is more than or waits In 1 μm, and it is less than or equal to 30 μm.
8. solar cell package plate according to claim 1, which is characterized in that the material of the second coating includes poly- At least one of urethane adhesive, acrylic resin adhesive, epoxy resin adhesive and polyester adhesive.
9. solar cell package plate according to claim 1, which is characterized in that the thickness of the second coating be more than or Equal to 5 μm, and it is less than or equal to 15 μm.
10. solar cell package plate according to claim 1, which is characterized in that the fluorine film layer includes polyvinyl fluoride In film layer, one chlorotrifluoroethylene film layer of PVDF membrane layer, ethylene-tetrafluoroethylene copolymer film layer and ethylene It is at least one.
11. solar cell package plate according to claim 1, which is characterized in that the thickness of the fluorine film layer be more than or Equal to 25 μm, and it is less than or equal to 50 μm.
12. solar cell package plate according to claim 1, which is characterized in that the encapsulated layer is layer of silica gel.
13. a kind of solar cell, which is characterized in that described in solar battery chip and any one of claim 1 to 12 Solar cell package plate, the solar battery chip is fixed on the solar cell package plate.
14. a kind of preparation method of solar cell package plate, which is characterized in that the preparation method includes:
Substrate layer is provided, the substrate layer has the first surface and second surface being oppositely arranged;
First coating, barrier layer, second coating and fluorine film layer are sequentially formed on the first surface;
Encapsulated layer is formed on the second surface.
15. preparation method according to claim 14, which is characterized in that sequentially form the first painting on the first surface The step of layer, barrier layer, second coating and fluorine film layer, including:
First coating mixed solution is provided;
The first coating mixed solution is coated on the first surface by coating method, forms first coating wet film;
The first specified duration of processing is dried to the first coating wet film under the first assigned temperature, described first is obtained and applies Layer.
16. preparation method according to claim 15, which is characterized in that first assigned temperature is greater than or equal to 50 DEG C, and it is less than or equal to 70 DEG C;The first specified duration is greater than or equal to 1 minute, and is less than or equal to 5 minutes.
17. preparation method according to claim 14, which is characterized in that sequentially form the first painting on the first surface The step of layer, barrier layer, second coating and fluorine film layer, including:
By atom layer deposition process or magnetron sputtering technique, formed away from the side of the substrate layer in the first coating The barrier layer.
18. preparation method according to claim 14, which is characterized in that sequentially form the first painting on the first surface The step of layer, barrier layer, second coating and fluorine film layer, including:
Second coating mixed solution is provided;
The second coating mixed solution is coated on the side table that the barrier layer deviates from the substrate layer by coating method Face forms second coating wet film;
The second specified duration of processing is dried to the second coating wet film under the second assigned temperature, described second is obtained and applies Layer.
19. preparation method according to claim 18, which is characterized in that second assigned temperature is greater than or equal to 50 DEG C, and it is less than or equal to 100 DEG C;The second specified duration is greater than or equal to 1 minute, and is less than or equal to 5 minutes.
20. preparation method according to claim 14, which is characterized in that sequentially form the first painting on the first surface The step of layer, barrier layer, second coating and fluorine film layer, including:
By laminar way, deviate from the laminated fluorine film layer in side of the substrate layer in the second coating.
21. preparation method according to claim 14, which is characterized in that form the step of encapsulated layer on the second surface Suddenly, including:
Silica gel mixed liquor is provided;
The silica gel mixed liquor is coated on the second surface by coating method and forms silica gel wet film;
Processing third is dried to the silica gel wet film under third assigned temperature and specifies duration, obtains layer of silica gel.
22. preparation method according to claim 21, which is characterized in that the third assigned temperature is greater than or equal to 50 DEG C, and it is less than or equal to 120 DEG C;The third specifies duration to be greater than or equal to 1 minute, and is less than or equal to 5 minutes.
23. according to the preparation method described in claim 15,18 or 21, which is characterized in that the coating method include slit apply, At least one of roller coating, blade coating, spraying and spin coating.
CN201810514636.6A 2018-05-25 2018-05-25 A kind of solar cell package plate and preparation method thereof, solar cell Pending CN108735841A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116102987A (en) * 2023-04-13 2023-05-12 合肥华晟光伏科技有限公司 Solar cell module packaging adhesive film, preparation method thereof and solar cell module

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Publication number Priority date Publication date Assignee Title
JP2016074134A (en) * 2014-10-06 2016-05-12 凸版印刷株式会社 Gas barrier laminate
CN105990459A (en) * 2015-02-28 2016-10-05 汉能新材料科技有限公司 Flexible package composite film and manufacturing method thereof
CN106992254A (en) * 2016-01-18 2017-07-28 张家港康得新光电材料有限公司 Encapsulating structure, its preparation method and its apply

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016074134A (en) * 2014-10-06 2016-05-12 凸版印刷株式会社 Gas barrier laminate
CN105990459A (en) * 2015-02-28 2016-10-05 汉能新材料科技有限公司 Flexible package composite film and manufacturing method thereof
CN106992254A (en) * 2016-01-18 2017-07-28 张家港康得新光电材料有限公司 Encapsulating structure, its preparation method and its apply

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116102987A (en) * 2023-04-13 2023-05-12 合肥华晟光伏科技有限公司 Solar cell module packaging adhesive film, preparation method thereof and solar cell module

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