CN107046074A - The solar module of low operating temperature - Google Patents
The solar module of low operating temperature Download PDFInfo
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- CN107046074A CN107046074A CN201610080276.4A CN201610080276A CN107046074A CN 107046074 A CN107046074 A CN 107046074A CN 201610080276 A CN201610080276 A CN 201610080276A CN 107046074 A CN107046074 A CN 107046074A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/04—Semiconductor 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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/04—Semiconductor 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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor 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
- H01L31/04—Semiconductor 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
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
-
- 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
The present invention discloses a kind of solar module of low operating temperature, and the module is included：One first glassy layer；One first encapsulated layer, it is located at the top of first glassy layer；One solar cell, it is located at the top of first encapsulated layer；One second encapsulated layer, it is located at the top of the solar cell；And one second glassy layer, it is located at the top of second encapsulated layer, wherein the air surface of first glassy layer, second glassy layer or both includes relief fabric, the height of the relief fabric is between 50 to 300 μm.
Description
Technical field
A kind of relevant solar module of the present invention, it is particularly a kind of to reduce double glass solar cell moulds of operating temperature
Block.
Background technology
Solar energy is eco-friendly power source most popular at present.In general, the photovoltaic effect of solar cell turns solar energy
It is changed to electric energy.Solar cell has effects that environmental protection, energy-conservation, is widely used in gradually in daily life.
Conventional solar cell module be usually glass, plastic of poly vinyl acetate (Ethylene Vinyl Acetate, EVA),
Solar battery sheet (being usually spliced into larger area using the solar battery sheet of 5 inch and 6 inch) and polymer encapsulation backboard
The sandwich construction of formation, along with by aluminium, galvanized steel plain sheet, timber or synthetic material (such as polyethylene, polypropylene, second
Alkene acrylic rubber etc.) made from the periphery Component composition such as housing, terminal box, wire, battery form.In sunlight irradiation
Under, solar cell module can be by the certain operating voltage of photoelectric effect output and operating current.
Also there is the mode for replacing polymer encapsulation backboard using glassy layer on the market, such a module is referred to as double glass solar cells
Module (double-glazed solar cell module).Compared to general solar module, double glass solar modules
Except with fire prevention, proof voltage, impact-resistant safety advantages, also with enhancement translucency and with ornamental effect,
Therefore it can require customized according to architect or designer as glass for building purposes component, its specification, face shaping,
With diversity and artistry.
Because modern architecture starts to promote architectural conformity solar energy (Building-integrated photovoltaics, abbreviation BIPV)
Technology so that the application of double glass solar modules is more extensive, and so-called BIPV, which is meant, uses solar energy photovoltaic material
Replace a kind of application of traditional architecture material, building is turned into energy one big in itself and originate, without using outer add mode
Install solar energy version additional, because just considering in the lump in design time, solar power generation rate and cost ratio are optimal, and BIPV
It is main i.e. using double glass solar modules in technology.
The power of solar module depends not only on the solar radiation for absorbing and transmitting, the actual work temperature of module
It is one of very important factor, research shows that operating temperature often increases by 1 DEG C, and the power of solar module will be reduced
0.4% to 0.5%, therefore, operating temperature is every high 10 DEG C, and the power that module is produced then has lacked 4% to 5%.Solar energy mould
The operating temperature of block is mainly influenceed by factors such as intensity of illumination and environment temperatures, after solar module extinction, except
Produce outside electric energy, can also produce heat energy, failing to excluding heat energy in real time, the rising of module temperature can be caused, and then lead
Cause the decline of power.
However, the encapsulated layer and polymer encapsulation backboard of conventional solar cell module are in addition to it can absorb light and produce heat energy,
The effect of heat transfer is not also good.Therefore, a kind of solar module is stilled need in industry, it can not sacrifice sunshine
Reduction operating temperature is realized in the case of intensity.
In order to solve the above technical problems, present application is to provide a kind of solar module of low operating temperature.
The content of the invention
The purpose of the present invention is provides a kind of solar module, and it is included：
One first glassy layer；
One first encapsulated layer, it is located at the top of first glassy layer；
One solar cell, it is located at the top of first encapsulated layer；
One second encapsulated layer, it is located at the top of the solar cell；And
One second glassy layer, it is located at the top of second encapsulated layer, wherein first glassy layer, the second glassy layer
Or both air surface include relief fabric, the height of the relief fabric is between 50 to 300 μm.
Brief description of the drawings
A kind of diagrammatic cross-section for the solar energy module that aspect is embodied of Figure 1A display present invention.
The diagrammatic cross-section of the solar energy module of another specific implementation aspect of Figure 1B display present invention.
Embodiment
In this article, unless limited otherwise, odd number shape " one " and " described " also include its plural shape.It is any herein
With all embodiments and exemplary term (" such as " and " such as ") purpose only for more highlighting the present invention, not directed to this
The scope of invention is construed as limiting, and the term in this case specification is not construed as implying that any unsolicited component may make up reality
Apply the necessary component during present invention.
The present invention provides a kind of solar module, and it is included：
One first glassy layer；
One first encapsulated layer, it is located at the top of first glassy layer；
One solar cell, it is located at the top of first encapsulated layer；
One second encapsulated layer, it is located at the top of the solar cell；And
One second glassy layer, it is located at the top of second encapsulated layer, wherein first glassy layer, the second glassy layer
Or both air surface include relief fabric, the height of the relief fabric is between 50 to 300 μm.
It is described further below for each several part and technical characteristic of the solar module of the present invention.
The configuration of the solar module of the present invention can be represented by Figure 1A or 1B schematic diagram, in the specific of the present invention
Implement in aspect, 101 be the first glassy layer, and 102 be the first encapsulated layer, and 103 be solar cell, in solar cell
It is the second encapsulated layer to have space 106,104, and 105 be the second glassy layer, and wherein Figure 1A shows that the first glassy layer 101 has
Relief fabric, 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 the present invention, not limits the present invention, described Figure 1A or 1B each thickness degree not really compare
Example.
The first glassy layer or the second glassy layer of the present invention is preferably with about 0.7 millimeter to about 2 millimeters of thickness.Described
Second glassy layer is the plane of incidence of sunshine.Glass used in glassy layer in the present invention is preferably safety glass.Tempering
A kind of new physical toughened glass can be used in glass, and its processing routine that can be heated and cool down by air supporting is made.In detail
Yan Zhi, such a physical toughened glass can be in about 600 DEG C to about 750 DEG C, preferably 630 DEG C to about 700 DEG C of gas
Floating heating annealing furnace (such as adds in the flat board annealing furnace (flatbed tempering furnace) of Lee Saike company (LiSEC) production
Heat, then it is rapidly cooled down via such as air nozzle and be made.Herein, term " air supporting heating " refers to that object is passed through
When crossing heating furnace or annealing furnace, the mode of traditional roller bearing is replaced using pneumatically supported principle, makes object in heating furnace or annealing furnace
Middle transmission heating.During due to air supporting mode of heating safety glass, glass is not directly contacted with annealing furnace, therefore will not be made
Into the deformation of glass, and relatively thin glass can be applicable.The preparation method of more detailed physical toughened glass refers to Chinese Patent No.
201110198526.1 the content of number application case.Safety glass suitable for the present invention is the ultra-thin safety glass of printing opacity, its thickness
It is preferably between 0.5 millimeter to 2.5 millimeters.Suitable for physical toughened glass of the invention, it has about 120Mpa to about
300Mpa, preferably from about 150MPa to about 250MPa compression strength, about 120Mpa to about 300Mpa, preferably from about 150
MPa to about 250MPa bending strength and about 90Mpa is to about 180Mpa, preferably from about 100MPa to about 150MPa
Tensile strength.
Relief fabric purpose of the present invention is to make solar module increase area of dissipation, it is easier to radiate, institute
State the structure that relief fabric can be aperiodicity at random, or the Cycle Length about 0.2 to 3 with periodicity and each fluctuating
Mm, the relief fabric is preferably with about 100 to about 300 μm of height, more preferably with 130 to about 250 μm
Height, the altitude range of the relief fabric can have dust-proof effect.The relief fabric can for example using calendering,
The mode such as sandblasting or chemical etching is formed.The surface of the relief fabric can preferably coat coating easy to clean, for example,
Super clear water coating, 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.
The first glassy layer of the present invention, the air surface (referring to the non-surface close with encapsulated layer) of the second glassy layer or both can be entered
One step includes a radiating plated film, and the thickness of the radiating plated film is the material of the radiating plated film between 0.1 μm to 50 μm
Material can be graphene.In addition, be used in the material of the radiating plated film of the first glassy layer also can select carbon black, aluminium or
Silver or its combination.
Encapsulation layer material is mainly the photoelectricity group to fixed solar cell used in the solar module of the present invention
Part simultaneously provides it protection physically, such as shock resistance and preventing aqueous vapor from entering.The solar cell module of the present invention
In encapsulated layer any known material, including plastic of poly vinyl acetate (Ethylene Vinyl Acetate can be used；EVA)、
Polyvinyl butyral resin (Polyvinyl Butyral；PVB), membrane ion type polymer, such as Dupont PV5400 and silicon
Oxygen tree fat, wherein current plastic of poly vinyl acetate (Ethylene Vinyl Acetate；EVA) for it is the most widely used too
Positive energy cell panel encapsulation layer material.EVA be a kind of thermosetting resin, its solidify after have high printing opacity, it is heat-resisting, low temperature resistant,
The characteristic such as moisture-resistant, weather-proof, and it has good adherence with metal, glass and plastics, have again certain elasticity,
Impact resistance and heat conductivity, therefore be preferable solar cell encapsulant layers material.In the present invention, it can be wrapped in EVA
Glass fibre containing needle-like is to increase radiating.
In the present invention, the solar cell is located at the first encapsulated layer and the second encapsulation interlayer, and its species does not have especially
Limitation, can be used monocrystalline silicon, polysilicon, non-crystalline silicon or thin-film solar cells etc..
In the present invention, solar module of the invention 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 the second glassy layer and
Between second encapsulated layer, wherein the thickness of described conductive material layer be 15 to 200 μm between, preferred thickness be 20 to
100 μm, more preferably thickness be 20 to 60 μm between, the material of described conductive material layer is preferably material of high thermal conductivity,
Can be the SiO for including doping conductive particle2Or AlO3Layer, wherein the conductive particle includes metal material, aluminium nitride, nitrogen
Change boron, graphene or its combination, the conductive particle has about 1 to about 10 μm of particle diameter.The conductive material layer
Purpose is the heat energy of encapsulated layer can be made to be easier to be sent to glassy layer.When described conductive particle includes metal material,
Described conductive material layer is only capable of being located between the first glassy layer and the first encapsulated layer or in the first encapsulated layer, because golden
The solar cell can be influenceed when category material is in the second encapsulated layer and/or between the second glassy layer and the second encapsulated layer
Efficiency.
In the present invention, the radiating plated film and conductive material layer) it is formed at the technology that this area can be used in mode on glass
Method known by personnel, such as dry type coating method (dry coating method) or wet type coating method (wet coating
Method), the dry type coating method for example can be chemical gaseous phase depositing or physical vapor depositing method, the wet type plated film rule
Such as can be：Galvanoplastic, scraper type coating (knife coating), roller coating (roller coating), flow coat (flow coating),
Curtain apply (curtain coating), spin coating (spin coating), atomizing coating (spray coating), line bar coating (bar coating),
Slit molding coating (slot die coating), letterpress coating (gravure coating), ramp type coating (slide coating)
Or the combination of other prior art methods or the above method.
In one particular embodiment of the present invention, the glassy layer is safety glass, and it has about 120Mpa to about
300Mpa, preferably from about 150MPa to about 250MPa compression strength, about 120Mpa to about 300Mpa, preferably from about 150
MPa to about 250MPa bending strength and about 90Mpa is to about 180Mpa, preferably from about 100MPa to about 150MPa
Tensile strength.
In one particular embodiment of the present invention, the described first or second encapsulation layer plastic of poly vinyl acetate or poly- second
Enol butyral.
In one particular embodiment of the present invention, first and second described encapsulated layer thickness be about respectively 0.3 to 0.9mm,
It is preferred that being about respectively 0.4 to 0.8mm.In recent years, PR (Performance Ratio) value turns into the one of solar module
Item important parameter, its formula is PR=Yf/Yr, and wherein Yf is actual power output valve, and Yr is theoretical power (horse-power) output valve.
According to one embodiment of the invention, solar module of the invention is compared to traditional solar energy module, and it can reduce fortune
Operating temperature when making, and PR values can be increased, be conducive to the application of industry.
The details of one or more embodiments of the invention is illustrated in will be described below.According to these descriptions and power
Sharp claim, will can be easily realized by other features, purpose and the advantage of the present invention.
Embodiment
Example 1：Prepare the solar energy module of the present invention
By glass calendering to form the glass with relief fabric, then rolled glass carried out it is physical toughened, to form tempering
Glass.The first safety glass with relief fabric of a 2mm is taken, using wet type plated film (wet coating) technology in
It is SiO that about 50 μm of materials of thickness are formed on one safety glass2Conductive material layer, wherein the conductive material layer adulterate nitrogen
Change boron conductive particle.Using laminar manner in forming encapsulated layer of the material as EVA in conductive material layer, with laminar manner by 60
Individual solar battery sheet is fitted on the encapsulated layer, and wherein the spacing of cell piece is 2mm.Then with laminar manner by material
Expect to be formed on the solar cell for EVA another encapsulated layer, then with laminar manner by 2mm the second tempering glass
Glass is formed on the encapsulated layer, and the solar module of the present invention is finally made.
Example 2：Control efficacy
Take traditional solar energy mould that solar energy module of the invention and calibration power that calibration power is 245Wp are 245Wp
Block is compareed.In the test of 38 DEG C, wind speed for five hours of progress outside 2m/s fine day room, acquired results such as following table：
Note：Calibration power (Wp) is the standard that European commission defines, and it is radiation intensity 1000W/m2, air quality
Under the conditions of AM 1.5,25 DEG C of battery temperature, the power output of solar cell.
The solar module that the present invention is obtained, compared to conventional solar cell module, finds have after tested afterwards
Relatively low upper glass surface temperature and significantly high PR values.
Example 3：Long term test data
The solar energy module of a pair of glass solar energy module and the present invention with heat sinking function is taken to compare, selected by two modules
Material is roughly the same, and only glass back plate is different, and described pair of glass solar energy module has with prepared by traditional air-float method
Glass is as backboard, and the solar energy module of the present invention has the heat sinking back-plate glass that embossing is faced outwardly.After after tested, hair
The data of electricity 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 |
| Heat radiating type solar energy module of the present invention | 4.28 | 3.53 | 4.09 | 2.92 |
Note：Testing location is Changzhou Ya Madun factory roof, and testDate is in March, 2014 to June.
The solar module that the present invention is obtained, compared to described double glass solar energy modules, finds during testing
It is respectively provided with higher average generated energy (lifting about 1.5~1.9%).
Although describing the present invention with reference to an illustrative embodiment, it should be appreciated that those skilled in the art can be easy to reality
Existing any modification or change will belong in the range of the disclosure of this specification and the appended claims.
Claims (10)
1. a kind of solar module, the module is included：
One first glassy layer；
One first encapsulated layer, it is located at the top of first glassy layer；
One solar cell, it is located at the top of first encapsulated layer；
One second encapsulated layer, it is located at the top of the solar cell；And
One second glassy layer, it is located at the top of second encapsulated layer,
The air surface of wherein described first glassy layer, the second glassy layer or both includes relief fabric, the fluctuating knot
The height of structure is between 50 to 300 microns.
2. solar module according to claim 1, wherein first glassy layer, second glassy layer or both
For safety glass.
3. solar module according to claim 1, wherein first glassy layer or the second glassy layer be with
About 0.7 millimeter to about 2 millimeters of thickness.
4. solar module according to claim 1, wherein first glassy layer, second glassy layer or both
Air surface comprising radiating plated film.
5. solar module according to claim 4, wherein the radiating plating membrane system is selected from graphene.
6. solar module according to claim 1, wherein the relief fabric has 0.2 to 3 millimeter of week
Phase length.
7. solar module according to claim 1, wherein between first glassy layer and the first encapsulated layer,
In first encapsulated layer, in second encapsulated layer and between second glassy layer and second encapsulated layer
At least one includes the conductive material layer that thickness is 15 to 200 microns.
8. solar module according to claim 7, wherein the conductive material layer is doping conductive particle
SiO2Or AlO3Layer, wherein the conductive particle have 1 to 10 micron particle diameter and comprising aluminium nitride, boron nitride,
Graphene or its combination.
9. solar module according to claim 7, wherein between first glassy layer and the first encapsulated layer or
At least one of described first encapsulated layer includes the conductive material layer, and the conductive material layer is doping conductive particle
SiO2Or AlO3Layer, wherein the conductive particle has 1 to 10 micron of particle diameter and includes metal material, nitrogen
Change aluminium, boron nitride, graphene or its combination.
10. solar module according to claim 1, wherein 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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| CN201610080276.4A CN107046074A (en) | 2016-02-04 | 2016-02-04 | The solar module of low operating temperature |
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| CN201610080276.4A CN107046074A (en) | 2016-02-04 | 2016-02-04 | The solar module of low operating temperature |
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