CN208722895U - A kind of solar battery and power generator - Google Patents
A kind of solar battery and power generator Download PDFInfo
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- CN208722895U CN208722895U CN201821019487.8U CN201821019487U CN208722895U CN 208722895 U CN208722895 U CN 208722895U CN 201821019487 U CN201821019487 U CN 201821019487U CN 208722895 U CN208722895 U CN 208722895U
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Classifications
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- 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)
Abstract
The utility model discloses a kind of solar battery and power generator.The solar battery includes electric layer, and electric layer includes the phototropic face and shady face for being away from each other setting；It further include the first encapsulated layer, the first protective layer and the first weathering layer stacked gradually in the side of phototropic face；Wherein, the first encapsulated layer is close to phototropic face；It further include the second encapsulated layer, the second protective layer and the second weathering layer stacked gradually in the side of shady face；Wherein, the second encapsulated layer is close to shady face；First encapsulated layer, the first protective layer and the first weathering layer are translucent construction layer.The utility model embodiment passes through the first weathering layer of setting and the second weathering layer and the first protective layer and the second protective layer；Solar battery weatherability can be improved in first weathering layer and the second weathering layer；The water preventing ability of solar battery can be enhanced in first protective layer and the second protective layer.
Description
Technical field
The utility model embodiment is related to technical field of solar batteries more particularly to a kind of solar battery and power generation dress
It sets.
Background technique
Solar energy obtains more and more countries and research people as a kind of inexhaustible renewable energy
The attention of member, and solar-electricity can convert solar energy into electric energy, facilitate utilization of the mankind to solar energy.The fexible film sun
Can battery be a kind of important solar battery, have light, flexible, thickness is small, be easily installed with the advantages such as secondary development,
Thus have been to be concerned by more and more people.
In general, flexible thin-film solar cell long-term work is in outdoor environment, and more sensitive to moisture, steam is penetrated
Rate is generally required less than 5 × 10-3 (g/m2/day), and therefore, the preceding plate material of flexible solar battery is preferable saturating in addition to having
Outside photosensitiveness, insulating properties and anti-flammability, it is also necessary to which there is good weatherability and water preventing ability.
In the prior art, although having by coating fluoropolymer, Huo Zhe on the foreboard of thin-film solar cells
Spraying or roller coating fluorine resin are impeded, high light transmission fluorine-containing layer is formed by curing on foreboard, although this method can be certain
Degree improves the water preventing ability and weatherability of flexible thin-film solar cell, but cost of manufacture is higher, is not able to satisfy extensive life
The needs of production also fail to fundamentally solve the problems, such as that thin-film solar cells water preventing ability difference and weatherability are poor.
Utility model content
The utility model provides a kind of solar battery and power generator, to improve the weatherability of solar battery and block water
Property.
In a first aspect, the utility model embodiment provides solar battery, which includes electric layer, described
Electric layer includes the phototropic face and shady face for being away from each other setting；
It further include the first encapsulated layer, the first protective layer and the first weathering layer stacked gradually in the side of the phototropic face；
Wherein, first encapsulated layer is close to the phototropic face；
It further include the second encapsulated layer, the second protective layer and the second weathering layer stacked gradually in the side of the shady face；
Wherein, second encapsulated layer is close to the shady face.
Further, first weathering layer include the first outer layer composite layer stacked gradually, the first middle layer composite layer and
First internal layer composite layer；The first internal layer composite layer is close to the electric layer；
Second weathering layer includes that the second outer layer composite layer, the second middle layer composite layer and the second internal layer stacked gradually is answered
Close layer；The second internal layer composite layer is close to the electric layer.
Further, the first internal layer composite layer is ethylene-vinyl acetate copolymer film layer, ethylene-octene copolymerization
Object film layer or polyvinyl butyral film layer；First middle layer composite layer is polyethylene terephtalate layer；
The first outer layer composite layer is fluorine-contained film layer；
The second internal layer composite layer be ethylene-vinyl acetate copolymer film layer, ethylene-octene copolymer film layer or
Polyvinyl butyral film layer；Second middle layer composite layer is pet layer；The second outer layer composite layer is fluorine-contained film
Layer.
Further, the fluorine-contained film layer is polyvinyl fluoride thin film layer, polyvinylidene difluoride film layer, tetrafluoroethene-six
Fluoropropene-vinylidene fluoride polymer film layer or ethylene-tetrafluoroethylene copolymer film layer.
Further, first protective layer is flexible glass layer；And/or second protective layer is flexible glass layer.
Further, the flexible glass layer is toughened glass layer.
Further, first encapsulated layer is ethylene-vinyl acetate copolymer layer, polyvinyl butyral copolymer
Layer, ethylene-octene copolymer layer or polyethylene and ethylene copolymers film layer；
Second encapsulated layer is that ethylene-vinyl acetate copolymer layer, polyvinyl butyral copolymer layer, ethylene-are pungent
Alkene copolymer layer or polyethylene and ethylene copolymers film layer.
Further, the electric layer includes generating function layer and substrate layer；
The generating function layer is set between the substrate layer and first encapsulated layer, for converting light energy into electricity
Energy.
Further, first weathering layer with a thickness of 50 μm -300 μm；Second weathering layer with a thickness of 50 μm-
300μm；
First protective layer with a thickness of 20-300 μm；Second protective layer with a thickness of 20-300 μm；
First encapsulated layer with a thickness of 20 μm -300 μm；Second encapsulated layer with a thickness of 20 μm -300 μm.
Second aspect, the utility model embodiment additionally provide a kind of power generator, the power generator include connector and
Solar battery described in several above-mentioned first aspects；
Two solar batteries of arbitrary neighborhood are connected with each other by the connector in several solar batteries.
The utility model embodiment has the first weathering layer and the second weathering layer of weathering characteristics by setting, and has
The first protective layer and the second protective layer of water resistance characteristic；First weathering layer and the second weathering layer can effectively improve solar battery
Weatherability extends the service life of solar battery；The resistance of solar battery can be enhanced in first protective layer and the second protective layer
Water characteristic improves the performance of solar battery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of solar battery provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the first weathering layer provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of the second weathering layer provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of electric layer provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of power generator provided by the embodiment of the utility model；
Fig. 6 is the flow chart of the preparation method of solar battery provided in this embodiment；
Fig. 7 is the flow chart of the lamination of solar battery provided in this embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is the structural schematic diagram of solar battery provided by the embodiment of the utility model.It optionally, referring to FIG. 1, should
Solar battery includes electric layer 100；Electric layer 100 includes the phototropic face and shady face for being away from each other setting；The one of phototropic face
Side further includes the first encapsulated layer 101, the first protective layer 103 and the first weathering layer 105 stacked gradually；Wherein, the first encapsulated layer
101 close to phototropic face；It further include the second encapsulated layer 102 stacked gradually, the second protective layer 104 and in the side of shady face
Two weathering layers 106；Wherein, the second encapsulated layer 102 is close to shady face.
Specifically, the first weathering layer 105 and the second weathering layer 106 have weathering characteristics.First weathering layer 105 and second is resistance to
The periphery that layer 106 is located at solar battery is waited, is directly exposed in the working environment of solar battery.Due to solar battery
Working environment is relatively severe, therefore, to guarantee that solar battery can work for a long time, needs the first weathering layer
105 and second weathering layer 106 have stronger weatherability.First protective layer 103 and the second protective layer 104 have very strong block water
Characteristic.To guarantee that solar battery works normally, solar battery also needs to have lower water vapor transmittance, therefore, pass through
The first protective layer 103 and the second protective layer 104 with good water resistance characteristic are set, steam can be prevented to enter solar-electricity
Inside pond, guarantee that the performance of solar battery is stablized.Also, the first weathering layer 105 and the second weathering layer 106 are located at the sun
Can battery phototropic face and shady face, it may therefore be assured that the phototropic face and shady face of solar battery all have it is higher resistance to
Hou Xing；First protective layer 103 and the second protective layer 104 are located at the phototropic face and shady face of solar battery, it is ensured that
The phototropic face and shady face of solar battery all have higher water resistance characteristic.Meanwhile to guarantee that the phototropic face of electric layer 100 can
To receive enough luminous energy, need to guarantee that the first encapsulated layer 101, the first protective layer 103 and the first weathering layer 105 are translucent construction
Layer, and light transmission rate with higher.
The present embodiment has the first weathering layer 105 and the second weathering layer 106 of weathering characteristics by setting, and has resistance
The first protective layer 103 and the second protective layer 104 of water characteristic；First weathering layer 105 and the second weathering layer 106 can effectively improve
Solar battery weatherability extends the service life of solar battery；First protective layer 103 and the second protective layer 104 can increase
The water resistance characteristic of strong solar battery, improves the performance of solar battery.
Fig. 2 is the structural schematic diagram of the first weathering layer 105 provided by the embodiment of the utility model, and Fig. 3 is the utility model
The structural schematic diagram for the second weathering layer 106 that embodiment provides.Optionally, Fig. 1-Fig. 3 is please referred to, the first weathering layer 105 includes
The first outer layer composite layer 135, the first middle layer composite layer 125 and the first internal layer composite layer 115 stacked gradually；First internal layer is compound
Layer 115 is close to electric layer 100；Second weathering layer 106 includes that the second outer layer composite layer 136 for stacking gradually, the second middle layer are compound
Layer 126 and the second internal layer composite layer 116；Second internal layer composite layer 116 is close to electric layer 100.
Specifically, the first outer layer composite layer 135 and the second outer layer composite layer 136 are directly contacted with outdoor environment,
It mainly protects the inside of solar battery from the influence of outdoor environment, there are stronger weathering characteristics, the first internal layer is compound
Layer 115 can play gluing and encapsulation effect, form stable knot between the first weathering layer 105 and the first protective layer 103 for making
Structure.Equally, the second internal layer composite layer 116 can also play gluing and encapsulation effect, for making the second weathering layer 106 and the second protection
Layer 104 between formed stable structure with.
Optionally, the first internal layer composite layer 115 can be copolymerized for ethylene-vinyl acetate copolymer film layer, ethylene-octene
Object film layer or polyvinyl butyral film layer；First middle layer composite layer 125 can be polyethylene terephthalate
(polyethylene glycol terephthalate, PET) layer, the first outer layer composite layer 135 can be fluorine-contained film layer；
Second internal layer composite layer 116 can be ethylene-vinyl acetate copolymer film layer, ethylene-octene copolymer film layer or poly- second
Enol butyral film layer；Second middle layer composite layer 126 can be pet layer；Second outer layer composite layer 136 can be fluorine-contained film
Layer.
Specifically, ethylene-vinyl acetate copolymer flexibility with higher, impact resistance, filler intermiscibility and Re Mi
Sealing property is widely used in the fields such as foaming shoe material, functional greenhouse film, packaging film, hot melt adhesive, wire and cable and toy.Second
Alkene-octene copolymer has the characteristics that soft performance, good toughness and adhesion strength are high, can be used for material package.Polyvinyl alcohol contracting
The butyraldehyde copolymer transparency with higher, cold resistance, impact resistance and resistance to ultraviolet irradiation, and can with metal, glass, timber,
Ceramics, fibre etc. form good bond effect.Polyethylene and ethylene copolymers film has flexibility height, strong shock resistance,
It can be used for the fields such as packaging film and hot melt adhesive.PET has preferable insulating properties and weatherability, and it is multiple to can be used for preparing the first middle layer
Close layer 125 and the second middle layer composite layer 126.Fluorine-contained film can have stronger weatherability, can be subjected to outdoor weather for a long time
Such as illumination, cold and hot, wind and rain, bacterium and keep structure and dimensionally stable thereafter, to protect the internal structure of solar battery
Stabilization.It should be noted that since the second internal layer composite layer 116 is in the shady face side of electric layer 100, without considering light transmission
Property, therefore, the second weathering layer 106 is it is also an option that other non-transparent materials that are low in cost and haveing excellent performance, the present embodiment pair
This is not specifically limited.
Optionally, fluorine-contained film layer is polyvinyl fluoride thin film layer, polyvinylidene difluoride film layer, hexafluoropropylene (HFP)/tetrafluoroethylene (TFE)-
Vinylidene fluoride polymer film layer or ethylene-tetrafluoroethylene copolymer film layer.Specifically, polyvinyl fluoride thin film has antiacid
Alkali resistant resists the features such as various organic solvents and high temperature resistant；Polyvinylidene difluoride film have good chemical resistance, creep properties,
Processability and antifatigue etc.；Hexafluoropropylene (HFP)/tetrafluoroethylene (TFE)-vinylidene fluoride polymer film has mechanical strength, chemical stabilization
The characteristics such as performance, electrical insulation capability, lubricity, wearability, non-stick, resistance to ag(e)ing and noninflammability；Ethylene-tetrafluoroethylene copolymerization
Object film has good heat-resisting, chemical-resistance and electrical insulation capability, meanwhile, also have that radiation hardness ability is strong, mechanical performance
The features such as good and tensile strength is high.It should be noted that fluorine-contained film layer provided in this embodiment includes but is not limited to above-mentioned material
Material.
Optionally, the thickness of the first weathering layer 105 can be 50 μm -300 μm；The thickness of second weathering layer 106 can also be with
It is 50 μm -300 μm；The thickness of first protective layer 103 can be 20-300 μm；The thickness of second protective layer 104 may be 20-
300μm；The thickness of first encapsulated layer 101 can be 20 μm -300 μm；The thickness of second encapsulated layer 102 may be 20 μm -300
μm。
Specifically, since the main function of the first weathering layer 105 and the second weathering layer 106 is protection solar battery, because
This, can be according to the thickness for needing to be arranged the first weathering layer 105 and the second weathering layer 106 of specific product.Illustratively, if
The design service life of solar battery is shorter, to reduce production cost, can suitably reduce the first weathering layer 105 and second
The thickness of weathering layer 106；It, can be by the first weathering layer 105 and second but when the design service life of solar battery is longer
Weathering layer 106 is set as biggish thickness.Preferably, the thickness of the first weathering layer 105 and the second weathering layer 106 can be 50 μ
M, 100 μm, 150 μm, 200 μm, 250 μm or 300 μm.For example, when the design service life of solar battery is 5 years, first
The thickness of weathering layer 105 and the second weathering layer 106 can be 50 μm or 100 μm, when the design service life of solar battery
When being 25 years, the thickness of the first weathering layer 105 and the second weathering layer 106 all can be 250 μm or 300 μm.The present embodiment provides
The first weathering layer 105 and the thickness of the second weathering layer 106 include but is not limited to above-mentioned value range.
Specifically, the main function of the first protective layer 103 and the second protective layer 104 is that the steam that blocks water enters solar battery
Inside therefore can be set according to actual needs the thickness of the first protective layer 103 and the second protective layer 104.Optionally, may be used
The thickness of the first protective layer 103 and the second protective layer 104 to be arranged according to the service life of solar battery；Illustratively, when
When the design service life of solar battery is shorter, the thickness of the first protective layer 103 and the second protective layer 104 can be relatively
Small, and when the design service life of solar battery is longer, the thickness of the first protective layer 103 and the second protective layer 104 can be with
It is relatively large.Alternatively, the first protective layer 103 and the second protective layer is arranged in the actual working environment also according to the solar battery
104 thickness, illustratively, when solar battery operates mainly in the biggish environment of the humidity such as sea, the first protective layer 103
Thickness with the second protective layer 104 can be relatively large, and the solar energy for being applied to weather relatively dry and mild area
Battery, thickness can be set relatively small.In addition, when the thickness of the first protective layer 103 of setting and the second protective layer 104,
Also need to comprehensively consider the power amplifier feature etc. of solar battery.Preferably, the thickness of the first protective layer 103 can be 20 μm, 50 μ
M, 100 μm, 200 μm, 250 μm or 300 μm, the thickness of the second protective layer 104 may be 20 μm, 50 μm, 100 μm, 200 μm,
250 μm or 300 μm.Optionally, the thickness of the first protective layer 103 and the second protective layer 104 includes but is not limited to above-mentioned value model
It encloses.
Specifically, the thickness of the first encapsulated layer 101 can select according to actual needs, and the first encapsulated layer 101 is being arranged
When thickness, can according between electric layer 100 and the first protective layer 103 adhesivity demand, the specific requirements of user, be produced into
The setting such as design parameter of this and solar battery.Preferably, the thickness of the first encapsulated layer 101 can also for 20 μm, 50 μm,
100 μm, 200 μm or 300 μm.Similar with the first encapsulated layer 101, the thickness of the second encapsulated layer 102 can also be according to above-mentioned principle
It is configured.Preferably, the thickness of the second encapsulated layer 102 may be 20 μm, 50 μm, 100 μm, 200 μm or 300 μm.It is optional
The thickness of ground, the first encapsulated layer 101 and the second encapsulated layer 102 includes but is not limited to above-mentioned value range.
Optionally, the first protective layer 103 can be flexible glass layer；And/or second protective layer 104 can be flexible glass
Layer.Optionally, when solar battery is flexible thin-film solar cell, in order to meet the bending resistance characteristic of solar battery,
First protective layer 103 and the second protective layer 104 can be flexible material.Simultaneously as glass material has stronger water preventing ability,
Steam can be prevented to enter the electric layer 100 of solar battery by the first protective layer 103 or the second protective layer 104, first protects
Sheath 103 and the second protective layer 104 can be flexible glass layer.For non-flexible solar battery, for the production for reducing product
Cost, the first protective layer 103 and the second protective layer 104 can also be that common glass material, the present embodiment are not made this specifically
Limitation.
Optionally, flexible glass layer can be toughened glass layer.Specifically, tempered glass is a kind of prestressed glass,
When by external force, glass surface can form compression to offset skin stress, to improve tempered glass first
Bearing capacity enhances anti-wind pressure, cold and heat and impact of tempered glass etc..Optionally, flexibility provided in this embodiment
Glass includes but is not limited to tempered glass.
Optionally, the first encapsulated layer 101 can be ethylene-vinyl acetate copolymer layer, polyvinyl butyral copolymer
Layer, ethylene-octene copolymer layer or polyethylene and ethylene copolymers film layer；Second encapsulated layer 102 or ethene-vinyl acetate are total
Polymers layer, polyvinyl butyral copolymer layer, ethylene-octene copolymer layer or polyethylene and ethylene copolymers film layer.
Specifically, ethylene-vinyl acetate copolymer flexibility with higher, impact resistance, filler intermiscibility and Re Mi
Sealing property is widely used in the fields such as foaming shoe material, functional greenhouse film, packaging film, hot melt adhesive, wire and cable and toy.It is poly-
The vinyl butyral copolymer transparency with higher, cold resistance, impact resistance and resistance to ultraviolet irradiation, and can be with metal, glass
Glass, timber, ceramics, fibre etc. form good bond effect.Ethylene-octene copolymer has performance softness, good toughness
High feature, can be used for material package with adhesion strength.Polyethylene and ethylene copolymers film has flexibility height, strong shock resistance,
It can be used for the fields such as packaging film and hot melt adhesive.Optionally, since the second encapsulated layer 102 is located at the shady face side of electric layer 100,
Therefore, the second encapsulated layer 102 is without considering translucency, and therefore, the second encapsulated layer 102 can be with 101 material phase of the first encapsulated layer
Together, it can also be different.Optionally, the first encapsulated layer 101 and the second encapsulated layer 102 include but is not limited to the material of the above-mentioned type.
Fig. 4 is the structural schematic diagram of electric layer 100 provided by the embodiment of the utility model.Optionally, Fig. 1 and figure are please referred to
4, electric layer 100 may include generating function layer 110 and substrate layer 102；Generating function layer 110 is set to substrate layer 102 and
Between one encapsulated layer 101, for converting light energy into electric energy.Specifically, generating function layer 110 is set on substrate layer 120,
When there is suitable illumination to be mapped to generating function 110 surface of layer, generating function layer 110 can convert light energy into electric energy.
Optionally, generating function layer 110 can be copper indium gallium selenide, GaAs or cadmium telluride.Specifically, copper indium gallium selenide cell
It is a kind of typical third generation solar cell, has the characteristics that performance is stable, capability of resistance to radiation is strong and photoelectric conversion efficiency is high,
Its transfer efficiency close to mainstream crystal-silicon solar cell, cost but only have crystal-silicon solar cell 1/3.The GaAs sun
Energy battery has the characteristics that optoelectronic transformation efficiency height and temperature tolerance are good, is a kind of solar battery having a high potential.Cadmium telluride has
Ideal forbidden bandwidth, forbidden bandwidth are 1.47eV or so, and spectral response and solar spectrum matching degree are high, and there is light to inhale
The advantages such as high income, high conversion efficiency, performance are stable and manufacturing cost is low, large-scale production easy to accomplish.
Optionally, substrate layer 120 is stainless steel material.Specifically, stainless steel material has corrosion resistance characteristic, with ordinary steel
It compares, the service life when substrate layer 120 made of stainless steel material can extend the use of solar battery.
Optionally, the thickness of substrate layer 120 can be 20 μm -200 μm.Specifically, the thickness of substrate layer 120 can basis
The design parameter of solar battery determines that in practical applications, the thickness of substrate layer 120 can also be other numberical ranges,
The present embodiment is not specifically limited this.
Second aspect, the present embodiment additionally provide a kind of power generator.Fig. 5 is power generation provided by the embodiment of the utility model
The structural schematic diagram of device optionally please refers to figure Fig. 1 and 5, which includes connector 202 and any embodiment institute
The solar battery 201 of offer；Two solar batteries 201 of arbitrary neighborhood pass through connector in several solar batteries 201
201 are connected with each other.Wherein, several solar batteries 201 refer to that power generator includes at least one solar battery 201, but usually
The quantity of solar battery group in power generator is greater than 1.This is because, the generated output of single solar battery 201 has
Limit, by connector 202 by multiple solar batteries 201 according to connecting to form solar battery group in the way of certain, Ke Yiti
The generated output of high power generator.Illustratively, connector 202 can be rod-like structure, not be both mutual insulating between bar, often
The structures such as card slot can be set on a bar, to fix solar battery 201；Connector 202 or frame assembling structure or its
His structure, the present embodiment are not specifically limited this.Connector 202 can be aluminum material, and aluminum material has density small, strong
The features such as big is spent, convenient for the installation of power generator；Connector 202 can also be stainless steel material or flexible material etc..It is optional
Ground, it for solar batteries 201 be conducting wire etc. that power generator, which can also include multiple, can be between multiple solar batteries 201
Series connection, can also be in parallel, and the present embodiment is not specifically limited this.
Power generator provided in this embodiment has the first weathering layer 105 and second of weathering characteristics weather-proof by being arranged
Layer 106, and the first protective layer 103 and the second protective layer 104 with water resistance characteristic；First weathering layer 105 and second is weather-proof
Layer 106 can effectively improve solar battery weatherability, extend the service life of solar battery；First protective layer 103 and
The water resistance characteristic of solar battery can be enhanced in two protective layers 104, improves the performance of solar battery.
The third aspect, the utility model additionally provide a kind of preparation method of solar battery, not in the present embodiment in detail
The technical detail described to the greatest extent, reference can be made to solar battery part provided by the utility model embodiment.Fig. 6 is that the present embodiment mentions
The flow chart of the preparation method of the solar battery of confession.Optionally, referring to FIG. 6, the preparation method of the solar battery includes:
Step 10 protects the first weathering layer, the first protective layer, the first encapsulated layer, electric layer, the second encapsulated layer, second
Layer and the second weathering layer successively carry out laying and close piece, to obtain battery component to be assembled；Wherein, electric layer includes being away from each other setting
Phototropic face and shady face, the first encapsulated layer be located at close to phototropic face side, the second encapsulated layer be located at close to shady face one
Side.
Specifically, when preparing solar battery, it is necessary first to the first weathering layer, the first protective layer, the first encapsulated layer,
Electric layer, the second encapsulated layer, the second protective layer and the second weathering layer successively carry out laying and close piece, form battery component to be assembled
Afterwards, to prepare for subsequent technique.
Battery component to be assembled is placed in laminating machine by step 20, is laminated to form solar battery.
Specifically, after forming laying and closing piece, it is also necessary to which battery component to be assembled is placed in suitable temperature and pressure ring
In border, after lamination and cooling, the solar battery of stable structure can be formed.
Fig. 7 is the flow chart of the lamination of solar battery provided in this embodiment.Optionally, referring to FIG. 7, the lamination packet
It includes:
Laminating machine is warming up to preset temperature range by step 21；Laminating machine is evacuated to predetermined vacuum degree range.
Optionally, in this step, it can first heat up, then be vacuumized to laminating machine；It can also first be taken out
Vacuum, then heat up；Heating can also be carried out simultaneously and vacuum pumping, the present embodiment are not specifically limited this.It is optional
Ground, the time vacuumized can be 300s-600s.
Step 22, within the scope of preset temperature range and predetermined vacuum degree by laminating machine treat assembled battery component into
The multiple pressurized treatments of row.
Specifically, after to guarantee to complete heating and vacuumizing work, start battery component how to be assembled and carry out pressurized treatments；
For the performance for guaranteeing battery component to be assembled, assembled battery component can be treated and carry out multiple pressurized operation.
Step 23 carries out cooling treatment to the battery component that pressurized treatments are completed, the battery component for completing pressurized treatments
Temperature be down to preset temperature hereinafter, to obtain solar battery.
Specifically, after completing pressurized operation, it is also necessary to carry out cooling treatment to the battery component that pressurized treatments are completed, make
Battery component completes cooling down within the preset time.Optionally, preset temperature refers to 40 DEG C, in the present embodiment, cooling
Main purpose be in order to which the temperature of battery component is down to the range that manpower can be touched normally, in general, not higher than 40 DEG C
Object can be frequently touched by human hands, therefore, to reduce production cost, it is only necessary to which the battery component after pressurized treatments is down to 40 DEG C
And it is following.
Optionally, before forming battery component to be assembled, further includes: the first protective layer of cleaning and the second protective layer.
Specifically, for ensure the first protective layer and the first encapsulated layer and the second protective layer and the second encapsulated layer can abundant gluing, can
To carry out cleaning operation to the first protective layer and the second protective layer, to remove pollutant on the first protective layer and the second protective layer.
Optionally, the first protective layer of cleaning includes: the face for cleaning the first protective layer close to the first weathering layer side, Yi Ji
Face of one protective layer close to the first encapsulated layer side；Cleaning the second protective layer includes: that the second protective layer of cleaning is weather-proof close to second
Layer side face and the second protective layer close to the second encapsulated layer side face.Specifically, due to the two sides of the first protective layer point
Not Wei the first encapsulated layer and the first internal layer composite layer, the first encapsulated layer and the first internal layer composite layer have adhesivity because, sufficiently
The first protective layer is cleaned close to the face of the first weathering layer side and the first protective layer close to the face of the first encapsulated layer side, it can
To guarantee that subsequent technique pressurized treatments obtain the solar battery of stable structure.Similarly, weather-proof close to second to the second protective layer
The face of layer side and the second protective layer are cleaned close to the face of the second encapsulated layer side, it may have similar technical effect,
It repeats no more.
Optionally, preset temperature can be 140 DEG C -160 DEG C.Specifically, multiple to improve the first encapsulated layer and the first internal layer
The adhesivity for closing layer, needs to control the temperature of laminating machine between 140 DEG C -160 DEG C.Optionally, preset temperature includes but unlimited
In above-mentioned value range, the present embodiment is not specifically limited this.
Optionally, predetermined vacuum degree can be 20Pa-40Pa.Specifically, atmospheric pressure is 1.0 × 10 under normal circumstances5Pa,
Compared to atmospheric pressure, the vacuum degree of 20Pa-40Pa is a relatively high vacuum environment.In the vacuum degree laminated electricity to be assembled
Pond component, it is ensured that the performance of the battery component after lamination.Optionally, predetermined vacuum degree includes but is not limited to above-mentioned value model
It encloses, the present embodiment is not specifically limited this.
Optionally, multiple pressurized treatments include: to pass through laminating machine within the scope of preset temperature range and predetermined vacuum degree
Pressurized treatments three times are carried out to the battery component to be assembled；Wherein, the time of first time pressurized treatments is 120s-180s；The
The pressure of pressurized treatments is 70 (- kPa) -80 (- kPa)；The time of second of pressurized treatments is 120s-180s；Second
The pressure of pressurized treatments is 60 (- kPa) -70 (- kPa)；The time of third time pressurized treatments is 120s-180s；Third time is pressurizeed
The pressure of processing is 50 (- kPa) -60 (- kPa).
It should be noted that " 70 (- kPa) " is for a standard atmosphere condition, if standard atmospheric pressure
Numerical value be 100kPa, the represented pressure of 70 (- kPa) is 30kPa.Similarly, absolute pressure represented by 80 (- kPa)
For 20kPa.Added pressure is gradually increased when due to pressurizeing three times, after can once pressurizeing before completion, directly adjust
Pressure value to required for pressurize next time, is continuously finished 3 pressurized operations to realize.Optionally, in preset temperature condition
Under, the lamination treatment of the present embodiment includes 3 pressurized treatments, but pressurized treatments provided in this embodiment are including but not limited to above-mentioned
Pressing time, pressure and number.
Optionally, cooling treatment includes: that the battery component that pressurized treatments are completed is moved to cooled region, and in cooled region
Cooling 120s-180s.Specifically, since after completing lamination, the temperature of battery component is higher, but in subsequent technique, often
It needs to use manpower and touches battery component.It therefore, can be by suitable in order to guarantee that other subsequent technological operations can carry out
Cooling measure, quickly to reduce the temperature of battery component.Optionally, cooling treatment provided in this embodiment includes but is not limited to
Above-mentioned cooling parameter.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of solar battery, including electric layer, the electric layer includes the phototropic face and shady face for being away from each other setting；It is special
Sign is:
It further include the first encapsulated layer, the first protective layer and the first weathering layer stacked gradually in the side of the phototropic face；Its
In, first encapsulated layer is close to the phototropic face；
It further include the second encapsulated layer, the second protective layer and the second weathering layer stacked gradually in the side of the shady face；Its
In, second encapsulated layer is close to the shady face.
2. solar battery according to claim 1, which is characterized in that first weathering layer includes stacked gradually
One outer layer composite layer, the first middle layer composite layer and the first internal layer composite layer；The first internal layer composite layer is close to the electric layer；
Second weathering layer includes that the second outer layer composite layer, the second middle layer composite layer and the second internal layer that stack gradually are compound
Layer；The second internal layer composite layer is close to the electric layer.
3. solar battery according to claim 2, which is characterized in that the first internal layer composite layer is ethyl vinyl acetate
Ethylene copolymer films layer, ethylene-octene copolymer film layer or polyvinyl butyral film layer；First middle layer is compound
Layer is polyethylene terephtalate layer；The first outer layer composite layer is fluorine-contained film layer；
The second internal layer composite layer is ethylene-vinyl acetate copolymer film layer, ethylene-octene copolymer film layer or poly- second
Enol butyral film layer；Second middle layer composite layer is pet layer；The second outer layer composite layer is fluorine-contained film layer.
4. solar battery according to claim 3, which is characterized in that the fluorine-contained film layer is polyvinyl fluoride thin film
Layer, polyvinylidene difluoride film layer, hexafluoropropylene (HFP)/tetrafluoroethylene (TFE)-vinylidene fluoride polymer film layer or ethylene-tetrafluoroethylene are total
Homopolymer film layer.
5. solar battery according to claim 1, which is characterized in that first protective layer is flexible glass layer；With/
Or second protective layer is flexible glass layer.
6. solar battery according to claim 5, which is characterized in that the flexible glass layer is toughened glass layer.
7. solar battery according to claim 1, which is characterized in that first encapsulated layer is ethene-vinyl acetate
Copolymer layer, polyvinyl butyral copolymer layer, ethylene-octene copolymer layer or polyethylene and ethylene copolymers film layer；
Second encapsulated layer is that ethylene-vinyl acetate copolymer layer, polyvinyl butyral copolymer layer, ethylene-octene are total
Polymers layer or polyethylene and ethylene copolymers film layer.
8. solar battery according to claim 1, which is characterized in that the electric layer includes generating function layer and substrate
Layer；
The generating function layer is set between the substrate layer and first encapsulated layer, for converting light energy into electric energy.
9. solar battery according to claim 1-8, which is characterized in that first weathering layer with a thickness of
50μm-300μm；Second weathering layer with a thickness of 50 μm -300 μm；
First protective layer with a thickness of 20-300 μm；Second protective layer with a thickness of 20-300 μm；
First encapsulated layer with a thickness of 20 μm -300 μm；Second encapsulated layer with a thickness of 20 μm -300 μm.
10. a kind of power generator, which is characterized in that including any solar-electricity of connector and several claim 1-9
Pond；
Two solar batteries of arbitrary neighborhood are connected with each other by the connector in several solar batteries.
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| CN108878563A (en) * | 2018-06-29 | 2018-11-23 | 汉能移动能源控股集团有限公司 | Solar cell, power generation device and preparation method of solar cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878563A (en) * | 2018-06-29 | 2018-11-23 | 汉能移动能源控股集团有限公司 | Solar cell, power generation device and preparation method of solar cell |
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