CN205542823U - Low operating temperature's solar cell module - Google Patents
Low operating temperature's solar cell module Download PDFInfo
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- CN205542823U CN205542823U CN201620114811.9U CN201620114811U CN205542823U CN 205542823 U CN205542823 U CN 205542823U CN 201620114811 U CN201620114811 U CN 201620114811U CN 205542823 U CN205542823 U CN 205542823U
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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
Abstract
This creation reveas a low operating temperature's solar cell module, and this module contains: the 1st a glass layer, a first encapsulated layer, it is located the top on a glass layer, a solar cell, it is located the top of first encapsulated layer, a second encapsulated layer, it is located solar cell's top, and 1 the 2nd glass layer, it lies in the top of second encapsulated layer, wherein a glass layer, the 2nd glass layer or air surface between them contain the relief fabric, the height of relief fabric is between 50 to 300 mu m.
Description
Technical field
The relevant a kind of solar module of this creation, a kind of double glass solar modules reducing operating temperature.
Background technology
Solar energy is the most most popular eco-friendly power source.It is said that in general, the photovoltaic effect of solaode converts the solar into electric energy.Solaode has environmental protection, energy-conservation effect, is the most gradually widely used in daily life.
Conventional solar cell module is usually glass, plastic of poly vinyl acetate (Ethylene Vinyl Acetate, EVA), the multiple structure that formed of solar battery sheet (solar battery sheet usually utilizing 5 cun and 6 cun is spliced into larger area) and polymer encapsulation backboard, add the housing that prepared by aluminum, galvanized steel plain sheet, timber or synthetic material (such as polyethylene, polypropylene, ethylene propylene rubber etc.), rosette, wire, the periphery Component composition such as accumulator form.Under sunlight irradiates, solar module can export certain running voltage and operating current by photoelectric effect.
The most also the mode using glassy layer to replace polymer encapsulation backboard, this kind of module is had to be referred to as double glass solar module (double-glazed solar cell module).Compared to general solar module, double glass solar modules are except having fire prevention, proof voltage, impact-resistant safety advantages, also there is enhancement light transmission and there is ornamental effect, therefore can be as glass for building purposes assembly, its specification, face shaping can require customized according to architect or designer, have multiformity and artistry.
Owing to modern architecture starts to promote architectural conformity solar energy (Building-integrated photovoltaics, be called for short BIPV) technology, the application making double glass solar module is the most extensive, so-called BIPV means a kind of application using solar energy photovoltaic material to replace traditional architecture material, building itself is made to become a big energy source, solar energy version is installed additional without by outer add mode, because considering the most in the lump in the design time, so solar electrical energy generation rate and cost ratio are optimal, and the main double glass solar module of i.e. use in BIPV technology.
The power of solar module depends not only on and absorbs and the solar radiation of transmission, the actual work temperature of module is also one of very important factor, research display operating temperature often increases by 1 DEG C, the power of solar module will reduce by 0.4% to 0.5%, therefore, operating temperature is the highest 10 DEG C, and the power that module produces then has lacked 4% to 5%.The operating temperature of solar energy module is mainly affected by the factor such as intensity of illumination and ambient temperature, after solar module extinction, in addition to producing electric energy, also heat energy can be produced, failing to get rid of heat energy in real time, the rising of module temperature can be caused, and then cause the decline of power.
But, in addition to the encapsulated layer of conventional solar cell module and polymer encapsulation backboard produce heat energy except meeting absorbing light, the effect of conduction of heat is the best.Therefore, industry remaining a need for a kind of solar module, it can realize reducing operating temperature in the case of not sacrificing intensity of sunshine.
For solving above-mentioned technical problem, subject application i.e. provides the solar module of a kind of low operating temperature.
Utility model content
One purpose of this creation is for providing a kind of solar module, and it comprises:
One first glassy layer；
One first encapsulated layer, it is positioned at the top of described first glassy layer；
One solaode, it is positioned at the top of described first encapsulated layer；
One second encapsulated layer, it is positioned at the top of described solaode；And
One second glassy layer, it is positioned at the top of described second encapsulated layer, and wherein said first glassy layer, the second glassy layer or both air surface comprise relief fabric, and the height of described relief fabric is between 50 to 300 μm.
Accompanying drawing explanation
Figure 1A shows the generalized section of a kind of solar energy module being embodied as aspect of this creation.
Figure 1B shows that this creates the generalized section of another solar energy module being embodied as aspect.
Detailed description of the invention
In this article, unless limited otherwise, odd number shape " " and " described " also include its plural number shape.The most any and all embodiment and exemplary term (" such as " and " as ") purpose is only for more highlighting this creation, the scope being not directed to this creation is construed as limiting, and the term in this case description is not construed as implying the necessary assembly that any unsolicited assembly may make up when implementing this creation.
This creation provides a kind of solar module, and it comprises:
One first glassy layer；
One first encapsulated layer, it is positioned at the top of described first glassy layer；
One solaode, it is positioned at the top of described first encapsulated layer；
One second encapsulated layer, it is positioned at the top of described solaode；And
One second glassy layer, it is positioned at the top of described second encapsulated layer, and wherein said first glassy layer, the second glassy layer or both air surface comprise relief fabric, and the height of described relief fabric is between 50 to 300 μm.
Each several part and technical characteristic below for this solar module created are described further.
The configuration of the solar module of this creation can represent by the schematic diagram of Figure 1A or 1B, it is embodied as in aspect what this was created, 101 is the first glassy layer, 102 is the first encapsulated layer, and 103 is solaode, has space 106 at solaode, 104 is the second encapsulated layer, 105 is the second glassy layer, and wherein Figure 1A shows that the first glassy layer 101 has relief fabric, and Figure 1B shows that the first glassy layer 101 and the second glassy layer 105 all have relief fabric.It should be noted that Figure 1A or 1B is only used for illustrating this creation, and unrestricted creation, each layer thickness of described Figure 1A or 1B non-real ratio.
First glassy layer of this creation or the second glassy layer preferably have the thickness of about 0.7 millimeter to about 2 millimeters.The described plane of incidence that the second glassy layer is sunlight.The glass that glassy layer in this creation is used is preferably safety glass.Safety glass can use a kind of new physical toughened glass, and it can prepare by the processing routine of air supporting heating and cooling.In detail, this kind of physical toughened glass can be at about 600 DEG C to about 750 DEG C, the air supporting heating annealing furnace being preferably 630 DEG C to about 700 DEG C (heats in the flat board annealing furnace (flatbed tempering furnace) that such as Lee Saike company (LiSEC) produces, then makes it cool down rapidly via such as air nozzle and prepare.Herein, term " air supporting heating " refers to that object, through heating furnace or annealing furnace, utilizes pneumatically supported principle to replace the mode of tradition roller bearing, makes object transmit heating in heating furnace or annealing furnace.Owing to, during with air supporting mode of heating safety glass, glass is not directly contacted with annealing furnace, thus without causing the deformation of glass, and relatively thin glass can be suitable for.The preparation method of more detailed physical toughened glass refers to the content of No. 201110198526.1 application cases of Chinese Patent No..The safety glass being applicable to this creation is the ultra-thin safety glass of printing opacity, and its thickness is preferably between 0.5 millimeter to 2.5 millimeters.Be applicable to this creation physical toughened glass its there is about 120Mpa to about 300Mpa, preferably from about 150MPa to the comprcssive strength of about 250MPa, the tensile strength of about 120Mpa to about 300Mpa, preferably from about 150MPa to the bending strength of about 250MPa and about 90Mpa to about 180Mpa, preferably from about 100MPa to about 150MPa.
Relief fabric purpose described in this creation is to make solar module increase area of dissipation, it is easier to heat radiation, described relief fabric can be acyclic structure at random, or there is periodicity and Cycle Length about 0.2 to the 3mm of each fluctuating, described relief fabric preferably has the height of about 100 to about 300 μm, more preferably having the height of 130 to about 250 μm, the altitude range of described relief fabric can have dust-proof effect.Described relief fabric can such as use the modes such as calendering, sandblasting or chemical etching to be formed.Coating easy to clean, such as, super clear water coating preferably can be coated in the surface of described relief fabric, and its water contact angle is less than 10 degree of angles；Or super hydrophobic material, its water contact angle is more than an angle of 90 degrees.
First glassy layer of this creation, the second glassy layer or both air surface (referring to the non-surface close with encapsulated layer) can further include a heat radiation plated film, the thickness of described heat radiation plated film is between 0.1 μm to 50 μm, and the material of described heat radiation plated film can be Graphene.Additionally, the material being used in the described heat radiation plated film of the first glassy layer also can be selected for carbon black, aluminum or silver or a combination thereof.
The encapsulated layer material that the solar module of this creation is used mainly in order to the photoelectric subassembly of fixing solaode and provides protection physically to it, such as shock resistance and prevent aqueous vapor entrance etc..Encapsulated layer in the solar module of this creation can use any known material, including plastic of poly vinyl acetate (Ethylene Vinyl Acetate；EVA), polyvinyl butyral resin (Polyvinyl Butyral；PVB), membrane ion type polymer, such as Dupont PV5400 and silica resin, wherein plastic of poly vinyl acetate (Ethylene Vinyl Acetate at present；EVA) it is the most widely used solar panel encapsulated layer material.EVA is a kind of thermosetting resin, there is after its solidification high printing opacity, heat-resisting, low temperature resistant, moisture-resisting, the characteristic such as weather-proof, and it all has good adherence with metal, glass and plastics, there is again certain elasticity, resistance to impact and heat conductivity, be therefore preferable solar cell encapsulant layers material.In this creation, EVA can comprise needle-like glass fibre to increase heat radiation.
In this creation, described solaode is positioned at the first encapsulated layer and the second encapsulation interlayer, and its kind does not have restriction especially, can use monocrystal silicon, polysilicon, non-crystalline silicon or thin-film solar cells etc..
In this creation, the solar module of this creation preferably comprises a conductive material layer, described conductive material layer can be located between the first glassy layer and the first encapsulated layer, in the first encapsulated layer, in the second encapsulated layer and/or between the second glassy layer and the second encapsulated layer, the thickness of wherein said conductive material layer is between 15 to 200 μm, preferred thickness is 20 to 100 μm, more preferably thickness is between 20 to 60 μm, the material of described conductive material layer is preferably material of high thermal conductivity, can be the SiO comprising doping conductive particle2Or AlO3Layer, wherein said conductive particle comprises metal material, aluminium nitride, boron nitride, Graphene or a combination thereof, and described conductive particle has the particle diameter of about 1 to about 10 μm.The purpose of described conductive material layer is to make the heat energy of encapsulated layer be easier to be sent to glassy layer.When described conductive particle comprises metal material, described conductive material layer is only capable of between the first glassy layer and the first encapsulated layer or in the first encapsulated layer, this is because can affect the efficiency of described solaode when metal material is in the second encapsulated layer and/or between the second glassy layer and the second encapsulated layer.
nullIn this creation，Described heat radiation plated film and conductive material layer) mode that is formed on glass can use the method known by those skilled in the art，Such as dry type coating method (dry coating method) or wet type coating method (wet coating method)，Described dry type coating method can be such as chemical gaseous phase depositing or physical vapor depositing method，Described wet type coating method can be such as: galvanoplastic、Scraper type coating (knife coating)、Roller coating (roller coating)、Flow coat (flow coating)、Curtain is coated with (curtain coating)、Spin coating (spin coating)、Atomizing coating (spray coating)、Line bar coating (bar coating)、Slit molds coating (slot die coating)、Letterpress coating (gravure coating)、Ramp type coating (slide coating) or other prior art method、Or the combination of said method.
In this specific embodiment created, described glassy layer is safety glass, it has about 120Mpa to about 300Mpa, preferably from about 150MPa to the comprcssive strength of about 250MPa, the tensile strength of about 120Mpa to about 300Mpa, preferably from about 150MPa to the bending strength of about 250MPa and about 90Mpa to about 180Mpa, preferably from about 100MPa to about 150MPa.
In this specific embodiment created, the described first or second encapsulation layer plastic of poly vinyl acetate or polyvinyl butyral resin.
In this specific embodiment created, first and second encapsulated layer thickness described is respectively about 0.3 to 0.9mm, is respectively about 0.4 to 0.8mm.In recent years, PR (Performance Ratio) value has become an important parameter of solar module, and its formula is PR=Yf/Yr, and wherein Yf is actual power output valve, and Yr is theoretical power (horse-power) output valve.The embodiment created according to this, the solar module of this creation is compared to tradition solar energy module, and it can reduce operating temperature during running, and can increase the application of PR value, beneficially industry.
This details creating one or more embodiments is illustrated in will be described below.According to these description and claims, other features, purpose and the advantage of this creation will can be easily realized by.
Embodiment
Example 1: prepare the solar energy module of this creation
By glass calendering to form the glass with relief fabric, then rolled glass is carried out physical toughened, to form safety glass.Taking first safety glass with relief fabric of a 2mm, it is SiO that application wet type plated film (wet coating) technology forms thickness about 50 μm material on the first safety glass2Conductive material layer, wherein said conductive material layer doping boron nitride conductive particle.Forming the material encapsulated layer as EVA in conductive material layer with laminar manner, fit on described encapsulated layer with laminar manner by 60 solar battery sheets, wherein the spacing of cell piece is 2mm.Then with laminar manner, another encapsulated layer as EVA of material is formed on described solaode, then with laminar manner, second safety glass of 2mm is formed on described encapsulated layer, finally prepare the solar module of this creation.
Example 2: control efficacy
The solar energy module and the traditional solar energy module that calibration power is 245Wp that take this creation that calibration power is 245Wp compare.38 DEG C, wind speed be the test that the fine day outdoor of 2m/s is carried out five hours, acquired results such as following table:
Note: calibration power (Wp) is the standard of European commission's definition, and it is radiant intensity 1000W/m2, air quality AM 1.5, under the conditions of battery temperature 25 DEG C, the output of solaode.
The solar module that this creation is obtained, compared to conventional solar cell module, finds have relatively low upper glass surface temperature and significantly high PR value the most afterwards.
Example 3: long term test data
Take a pair of glass solar energy module and this creation has the solar energy module of heat sinking function and compares, material selected by two modules is roughly the same, only have glass back plate different, described pair of glass solar energy module has using the glass prepared by tradition air-float method as backboard, and the solar energy module of this creation has the heat sinking back-plate glass that embossing faces outwardly.After after tested, the data of generated energy are as follows:
| Generated energy (KWh/day/KW) | March | April | May | June |
| Double glass solar energy modules | 4.2 | 3.48 | 4.02 | 2.87 |
| This creation heat radiating type solar energy module | 4.28 | 3.53 | 4.09 | 2.92 |
Note: testing location is the factory roof of Changzhou Ya Madun, testDate is that in March, 2014 is to June.
The solar module that this creation is obtained, compared to described double glass solar energy modules, finds to be respectively provided with higher average generated energy (promoting about 1.5～1.9%) during testing.
Although describing this creation the most with reference to an illustrative embodiment, it should be appreciated that any amendment or change that those skilled in the art can be easily achieved will belong in the range of the disclosure of this specification and the appended claims.
Claims (10)
1. a solar module, this module comprises:
One first glassy layer；
One first encapsulated layer, it is positioned at the top of described first glassy layer；
One solaode, it is positioned at the top of described first encapsulated layer；
One second encapsulated layer, it is positioned at the top of described solaode；And
One second glassy layer, it is positioned at the top of described second encapsulated layer,
Wherein said first glassy layer, the second glassy layer or both air surface comprise relief fabric, described relief fabric
Height between 50 to 300 microns.
Solar module the most according to claim 1, wherein said first glassy layer, the second glassy layer or both
For safety glass.
Solar module the most according to claim 1, wherein said first glassy layer or the second glassy layer are for having
The thickness of about 0.7 millimeter to about 2 millimeters.
Solar module the most according to claim 1, wherein said first glassy layer, the second glassy layer or both
Air surface comprise heat radiation plated film.
Solar module the most according to claim 4, wherein said heat radiation plated film system is selected from Graphene.
Solar module the most according to claim 1, wherein said relief fabric has the week of 0.2 to 3 millimeter
Phase length.
Solar module the most according to claim 1, between wherein said first glassy layer and the first encapsulated layer,
In described first encapsulated layer, in described second encapsulated layer and between described second glassy layer and described second encapsulated layer
At least one comprises the conductive material layer that thickness is 15 to 200 microns.
Solar module the most according to claim 7, wherein said conductive material layer is doping conductive particle
SiO2Or AlO3Layer, wherein said conductive particle have 1 to 10 micron particle diameter and comprise aluminium nitride, boron nitride,
Graphene or a combination thereof.
Solar module the most according to claim 7, between wherein said first glassy layer and the first encapsulated layer or
In described first encapsulated layer, at least one comprises described conductive material layer, and described conductive material layer is doping conductive particle
SiO2Or AlO3Layer, wherein said conductive particle has the particle diameter of 1 to 10 micron and comprises metal material, nitrogen
Change aluminum, boron nitride, Graphene or a combination thereof.
Solar module the most according to claim 1, wherein said first encapsulated layer or the second encapsulated layer are poly-second
Alkene vinylacetate (Ethylene Vinyl Acetate；EVA), polyvinyl butyral resin (Polyvinyl Butyral；
PVB), membrane ion type polymer or silica resin.
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| CN201620114811.9U CN205542823U (en) | 2016-02-04 | 2016-02-04 | Low operating temperature's solar cell module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788223A (en) * | 2016-12-19 | 2017-05-31 | 张家港长丰能源有限公司 | A kind of cylinder device of solar generating |
| CN107046074A (en) * | 2016-02-04 | 2017-08-15 | 常州亚玛顿股份有限公司 | The solar module of low operating temperature |
-
2016
- 2016-02-04 CN CN201620114811.9U patent/CN205542823U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107046074A (en) * | 2016-02-04 | 2017-08-15 | 常州亚玛顿股份有限公司 | The solar module of low operating temperature |
| CN106788223A (en) * | 2016-12-19 | 2017-05-31 | 张家港长丰能源有限公司 | A kind of cylinder device of solar generating |
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