CN102315293B - Solar photovoltaic module package laminated layer structure and making method thereof - Google Patents
Solar photovoltaic module package laminated layer structure and making method thereof Download PDFInfo
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- CN102315293B CN102315293B CN2010102221617A CN201010222161A CN102315293B CN 102315293 B CN102315293 B CN 102315293B CN 2010102221617 A CN2010102221617 A CN 2010102221617A CN 201010222161 A CN201010222161 A CN 201010222161A CN 102315293 B CN102315293 B CN 102315293B
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Abstract
The invention discloses a solar photovoltaic module package laminated layer structure and a making method thereof. The solar photovoltaic module package laminated layer structure comprises a laminated layer structure provided with a plurality of solar cells; the laminated layer structure is provided with a plurality of laminated layer interfaces; the solar photovoltaic module package laminated layer structure is characterized by also comprising at least one laminated layer embossing structure, wherein the laminated layer embossing structure is continuously formed in at least one of the laminated layer interfaces from one surface of the laminated layer structure and positioned among the solar cells. Therefore, the solar photovoltaic module package laminated layer structure has flexibility and a light scattering effect.
Description
Technical field
The present invention relates to a kind of solar photoelectric module encapsulation technology, and particularly relate to a kind of solar photoelectric module encapsulation laminated construction and manufacture method thereof.
Background technology
Therefore solar energy is a kind of pollution-free and inexhaustible energy, when meeting with pollution that fossil energy faces and problem of shortage, how effectively to utilize solar energy source to become the focus that attracts most attention.Wherein, (solar cell) can directly be converted to electric energy with solar energy because of solar cell, and becomes the development priority of present utilization solar energy source.
Tradition solar photoelectric module encapsulation laminated construction comprises glass (glass) 100, viscose glue 102, solar cell 104, viscose glue 106 and backboard (backsheet) 108 as shown in Figure 1.Glass and the similar sandwich interlayer of solar cell mode in this kind encapsulation laminated construction are formed with the viscose glue gummed, constitute the structure of solar module.Though such encapsulation laminated construction has the module high-strength characteristic, can't reach the bendable solar module that caters to curved design.Therefore, industry focuses on that mostly battery design is made, the substrate when battery is made is selected for use, backboard designs configuration design or the module package laminated construction of battery at present.
Yet, no matter be with traditional silicon wafer battery do slim design, with cell substrates area microminiaturization or utilize the backboard of module back layer as the connector of flexible, the processing difficulties of making or the not good problem of intensity are arranged.In addition, in US Patent No. 5,538,902 propose a kind of the silicon wafer solar cell to be attached on the flexible base plate, and the direct device that silicon wafer solar cell cutting and separating is become a plurality of solar cells on flexible base plate, but the method for this cutting silicon wafer solar cell is not taken the overall package manufacture craft into account.
Summary of the invention
The object of the present invention is to provide a kind of solar photoelectric module encapsulation laminated construction, have the inhomogeneous pliability of module mechanical strength, can reach the light benefit simultaneously and catch effect, can hoisting module power.
Another purpose of the present invention is to provide a kind of manufacture method of solar photoelectric module encapsulation laminated construction, but simpler production goes out pliability and reach the light benefit to catch the encapsulation laminated construction of effect.
For reaching above-mentioned purpose, the present invention proposes a kind of solar photoelectric module encapsulation laminated construction, comprises a laminated construction that includes several solar cells, has several lamination interfaces in this laminated construction.And solar photoelectric module encapsulation laminated construction is characterised in that above-mentioned laminated construction also comprises at least one lamination patterned structure, wherein the lamination patterned structure is to be formed in the lamination interface of same position at least one continuously from a surface of above-mentioned laminated construction, and lamination patterned structure position causes solar photoelectric module encapsulation laminated construction to have the effect of flexible characteristic and light scattering between solar cell.
In one embodiment of this invention, described lamination patterned structure is serrated surface or is curvature structure.
In one embodiment of this invention, described laminated construction comprises a strengthening layer, and its rigidity is greater than the rigidity of each solar cell, and strengthening layer is discontinuous structure at lamination patterned structure place.
In one embodiment of this invention, described laminated construction comprise a backboard of a printing opacity cladding plate, relatively printing opacity cladding plate configuration, between the solar cell between printing opacity cladding plate and the backboard, between one first encapsulated layer between printing opacity cladding plate and the solar cell and one second encapsulated layer between backboard and solar cell.
In one embodiment of this invention, described printing opacity cladding plate or backboard are a strengthening layer, and its rigidity is greater than the rigidity of each solar cell, and strengthening layer is discontinuous structure at lamination patterned structure place.
In one embodiment of this invention, described solar photoelectric module encapsulation laminated construction more comprises a strengthening layer between this first encapsulated layer and solar cell and one the 3rd encapsulated layer between strengthening layer and solar cell, wherein the rigidity of above-mentioned strengthening layer is greater than the rigidity of each solar cell, and strengthening layer is discontinuous structure at lamination patterned structure place.
In one embodiment of this invention, described solar photoelectric module encapsulation laminated construction more comprises between the strengthening layer between second encapsulated layer and the solar cell and one the 4th encapsulated layer between strengthening layer and solar cell, wherein the rigidity of above-mentioned strengthening layer is greater than the rigidity of each solar cell, and strengthening layer is discontinuous structure at lamination patterned structure place.
In one embodiment of this invention, described solar photoelectric module encapsulation laminated construction also can comprise at least one color layer, between printing opacity cladding plate and backboard.
In one embodiment of this invention, described backboard or printing opacity cladding plate are color layer.
The present invention proposes a kind of manufacture method of solar photoelectric module encapsulation laminated construction in addition, comprises that pressing includes a laminated construction of several solar cells, and has several lamination interfaces in this laminated construction.In this manufacture method, during above-mentioned pressing, utilize a surface texture transfer printing that adds mould to cause at least one lamination patterned structure from a surface of laminated construction, wherein the lamination patterned structure is to be formed in the lamination interface of same position at least one between the solar cell from above-mentioned surface continuously, to cause laminated construction to have the effect of flexible characteristic and light scattering.
In another embodiment of the present invention, described laminated construction comprises a backboard of a printing opacity cladding plate, relatively printing opacity cladding plate configuration, between the solar cell between printing opacity cladding plate and the backboard, between one first encapsulated layer between printing opacity cladding plate and the solar cell and one second encapsulated layer between backboard and solar cell.Wherein, described printing opacity cladding plate or backboard can be strengthening layers, and its rigidity is greater than the rigidity of each solar cell.
In another embodiment of the present invention, described laminated construction also comprises a strengthening layer between this first encapsulated layer and solar cell and one the 3rd encapsulated layer between strengthening layer and solar cell, and wherein the rigidity of above-mentioned strengthening layer is greater than the rigidity of each solar cell.
In another embodiment of the present invention, described laminated construction comprises that also wherein the rigidity of above-mentioned strengthening layer is greater than the rigidity of each solar cell between the strengthening layer between second encapsulated layer and the solar cell and one the 4th encapsulated layer between strengthening layer and solar cell.
Based on above-mentioned, the present invention utilizes the geometry (texture) of single or multiple lamination embossing, just can make solar photoelectric module encapsulation laminated construction have the inhomogeneous flexible characteristic of module mechanical strength and the effect of light scattering, be applied to GENERAL TYPE and light-transmission type solar photoelectric module, possess the advantage of making easily and keeping the high generated output of module simultaneously.In addition, in solar photoelectric module encapsulation laminated construction, add strengthening layer, can make silicon wafer solar photoelectric module encapsulating structure not only have the flexible characteristic, also can protect solar cell itself not to be damaged.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended accompanying drawing to be described in detail below.
Description of drawings
Fig. 1 is the generalized section of existing a kind of light-transmission type solar photoelectric module encapsulation laminated construction;
Fig. 2 is the generalized section according to a kind of solar photoelectric module encapsulation laminated construction of the first embodiment of the present invention;
Fig. 3, Fig. 4 A, Fig. 4 B to Fig. 5 are the generalized sections of other kenels of first embodiment;
Fig. 6 is the generalized section according to a kind of solar photoelectric module encapsulation laminated construction of the second embodiment of the present invention;
Fig. 7 is the generalized section of another kenel of second embodiment;
Fig. 8 A, Fig. 8 B, Fig. 9 A to Fig. 9 B are the generalized sections of other kenels of second embodiment;
Figure 10 A to Figure 10 B is the manufacturing schematic diagram according to a kind of solar photoelectric module encapsulation laminated construction of the third embodiment of the present invention;
Figure 11 A to Figure 11 B is the manufacturing schematic diagram according to a kind of solar photoelectric module encapsulation laminated construction of the fourth embodiment of the present invention;
Figure 12 is the encapsulation finished product schematic diagram of experiment one;
Figure 13 A～Figure 13 C is the schematic diagram of three kinds of solar photoelectric module encapsulation laminated construction of simulated experiment;
Figure 14 is the sketch that the light-transmission type solar photoelectric module of the no patterned structure of experiment five～experiment eight encapsulates laminated construction;
Figure 15 is the sketch of the solar photoelectric module encapsulation laminated construction with lamination patterned structure of experiment five～experiment eight.
The main element symbol description
100: glass
102,106: viscose glue
104,202,602,1002: solar cell
108,206,1012: backboard
200,600,1000: laminated construction
204,1006: the printing opacity cladding plate
204a, 206a, 604a, 1000a: surface
208,1008: the first encapsulated layers
210,1010: the second encapsulated layers
212a～c, 610a～c, 804～e, 904～e, 1004: lamination interface
214,300,400,500,608,700,802,902,1018,1106: the lamination patterned structure
216: light
604,1100: strengthening layer
800: the three encapsulated layers
806,906: color layer
900: the four encapsulated layers
1014,1102: add mould
1016,1104: surface texture
1200: the encapsulation finished product
Embodiment
Following examples only are to describe application of the present invention in more detail, and accompanying drawing explains.Yet the present invention also can adopt multiple multi-form the practice, and it should be interpreted as being limited to embodiment what follows.In the accompanying drawings, for the purpose of clear and definite, size and the relative size of each layer may be given an exaggerated account, and not draw by dimension scale.
Fig. 2 is the generalized section according to a kind of solar photoelectric module encapsulation laminated construction of the first embodiment of the present invention.
Please refer to Fig. 2, the solar photoelectric module encapsulation laminated construction of first embodiment comprises a laminated construction 200, and several solar cells 202 are contained in its inside.For instance, laminated construction 200 can comprise a backboard (Backsheet) 206 of a printing opacity cladding plate 204, relatively printing opacity cladding plate 204 configurations, between the solar cell 202 between printing opacity cladding plate 204 and the backboard 206, between one first encapsulated layer 208 between printing opacity cladding plate 204 and the solar cell 202 and one second encapsulated layer 210 between backboard 206 and solar cell 202.Backboard 206 in first embodiment can be light transmissive material or light-proof material, and backboard 206 or this printing opacity cladding plate 204 also can be color layer.Have several lamination interfaces 212a～c in such laminated construction 200, so the present invention is not limited thereto; That is to say that so-called " lamination interface " also can change along with the stacked film number of layers of laminated construction 200 when also containing in addition in the laminated construction 200 when having only single encapsulation material in other structure sheafs or the laminated construction 200.In addition, in first, second encapsulated layer 208 and 210 at least one deck can be color layer, or printing opacity cladding plate 204 and 206 of backboards add color layer.
Please continue with reference to Fig. 2, the laminated construction 200 of first embodiment also comprises at least one lamination patterned structure 214 of position between solar cell 202, and it is serrated surface or curvature structure for example.In context, so-called " lamination patterned structure " is to be formed in the lamination interface of same position at least one continuously from a surface of laminated construction.Be example with Fig. 2, single lamination patterned structure 214 is all lamination interface 212a～c that are formed on same position from the surperficial 204a of the printing opacity cladding plate 204 of laminated construction 200 continuously.Owing to have lamination patterned structure 214 between the solar cell 202, so the mechanical characteristic of structure 214 thus causes the inhomogeneous of module mechanical strength and produces the flexible characteristic.At the lamination interface 212a～c with lamination patterned structure 214, the refractive index of optical interface and environmentally conscious materials (air) need have refringence, just can make how much leaded light designs satisfy lamination patterned structure 214 leaded light paths and reach anaclasis, reflection, scattering purpose, increase the absorption of solar energy.Therefore, when light 216 enters solar photoelectric module encapsulation laminated construction from printing opacity cladding plate 204, can satisfy the leaded light path and the light that reaches light harvesting design is mended and caught purpose at the lamination interface 212a～c with lamination patterned structure 214, satisfy the luminous energy recycling function of no cell area.
The lamination patterned structure of certain first embodiment can also have other kenels, and as Fig. 3, Fig. 4 A, Fig. 4 B or shown in Figure 5, wherein the components identical symbol represents same or analogous member in use and Fig. 2.
Fig. 3 is presented at three lamination patterned structure 300 in twos between the solar cell 202.Fig. 4 A shows that single lamination patterned structure 400 is the lamination interface 212a～b that are formed on same position from the surperficial 204a of the printing opacity cladding plate 204 of laminated construction 200 continuously; Fig. 4 B and Fig. 4 category-A seemingly, but lamination patterned structure 400 is the lamination interface 212a～b that are formed on same position continuously.Fig. 5 shows that single lamination patterned structure 500 is the lamination interface 212a～c that are formed on same position from the surperficial 206a of the backboard 206 of laminated construction 200 continuously.
Fig. 6 is the generalized section according to a kind of solar photoelectric module encapsulation laminated construction of the second embodiment of the present invention.
Please refer to Fig. 6, the solar photoelectric module encapsulation laminated construction of second embodiment and first embodiment are similar to be a laminated construction 600, the difference of two embodiment is that the laminated construction 600 of second embodiment is except several solar cells 602 are contained in inside, also have one deck strengthening layer 604, its rigidity is greater than the rigidity of each solar cell 602.Therefore, when solar cell 602 was the silicon wafer solar cell that possible break when module bends, this layer strengthening layer 604 can further be protected solar cell 602.For instance, if laminated construction 600 is identical with Fig. 2, then the printing opacity cladding plate can be replaced with strengthening layer 604, all the other backboards 206, first encapsulated layer 208 and 210 of second encapsulated layers are constant.In addition, because will allow solar photoelectric module encapsulation laminated construction produce the flexible characteristic, so strengthening layer 604 must be discontinuous structure at lamination patterned structure 608 places.In Fig. 6, lamination patterned structure 608 is all lamination interface 610a～c that are formed on same position from the surperficial 604a of the strengthening layer 604 of laminated construction 600 continuously.
The lamination patterned structure of certain second embodiment can also have other kenels, as Fig. 7.
Fig. 7 shows is that backboard with laminated construction 600 replaces with strengthening layer 604, all the other printing opacity cladding plates 204, first encapsulated layer 208 and 210 of second encapsulated layers are constant, therefore though lamination patterned structure 700 also is all lamination interface 610a～c that are formed on same position from the surperficial 604a of the strengthening layer 604 of laminated construction 600 continuously, the embossing direction is different with Fig. 6.
And the modular structure of Fig. 3 to Fig. 7 as mentioned above, and can add one deck color layer (not illustrating) at least, as the color member 206 of printing opacity cladding plate 204 and backboards (Backsheet).
In addition, the lamination patterned structure of second embodiment also has other kenels, and shown in Fig. 8 A, Fig. 8 B, Fig. 9 A, Fig. 9 B, wherein the components identical symbol represents same or analogous member in use and Fig. 6.
Fig. 8 A adds to add one deck the 3rd encapsulated layer 800 between one deck strengthening layer 604 between first encapsulated layer 208 and the solar cell 602 and between strengthening layer 604 and solar cell 602 in laminated construction 600 in addition, and the 3rd encapsulated layer 800 can be color layer.Thus, lamination patterned structure 802 is all lamination interface 804a～e that are formed on same position from the surperficial 204a of the printing opacity cladding plate 204 of laminated construction 600 continuously, and strengthening layer 604 is discontinuous structure at lamination patterned structure 802 places.
The difference of Fig. 8 B and Fig. 8 A is can add one deck color layer 806 at second encapsulated layer 210 and 800 of the 3rd encapsulated layers.
Fig. 9 A shows then is to add in addition to add one deck the 4th encapsulated layer 900 between one deck strengthening layer 604 between second encapsulated layer 210 and the solar cell 602 and between strengthening layer 604 and solar cell 602 in laminated construction 600, and this one the 4th encapsulated layer 900 can be color layer.And lamination patterned structure 902 is all lamination interface 904a～e that are formed on same position from the surperficial 206a of the backboard 206 of laminated construction 600 continuously, and strengthening layer 604 is discontinuous structure at lamination patterned structure 902 places.
The difference of Fig. 9 B and Fig. 9 A is can add one deck color layer 906 at the 4th encapsulated layer 900 and 208 of first encapsulated layers.
More than the application of first embodiment and second embodiment be not limited to shown in the accompanying drawing, also can change wherein laminated construction and the kenel of lamination patterned structure.
Figure 10 A to Figure 10 B is the manufacturing schematic diagram according to a kind of solar photoelectric module encapsulation laminated construction of the third embodiment of the present invention.
Please refer to Figure 10 A, the method for the 3rd embodiment is pressing one laminated construction 1000, and this laminated construction 1000 includes several solar cells 1002, and has several lamination interfaces 1004 in laminated construction 1000.Before pressing, can earlier printing opacity cladding plate 1006, first encapsulated layer 1008, solar cell 1002, second encapsulated layer 1010 and backboard 1012 etc. be gathered into folds, and prepare one and add mould 1014, the surface texture 1016 that wherein adds mould 1014 for example is to have first power, quadratic power or the serrated surface of approximate curvature surface repeatedly.Above-mentioned laminated construction 1000 also can be complied with required interpolation other materials layer except the rete shown in Figure 10 A.
During pressing, can be by the encapsulation material of the printing opacity cladding plate 1006 in the hot mastication laminated construction 1000, first encapsulated layer 1008, second encapsulated layer 1010, backboard 1012 and so on, and utilize the above-mentioned surface texture 1016 that adds mould 1014 to cause at least one lamination patterned structure 1018 between solar cell 1002 from the surperficial 1000a transfer printing of laminated construction 1000.Wherein, the material temperature that adds mould 1014 for example is higher than the temperature of pressing step.
Then, please refer to Figure 10 B, this lamination patterned structure 1018 that obtains after the pressing is to be formed on continuously in the lamination interface 1004 of same position from above-mentioned surperficial 1000a, so that laminated construction 1000 has the effect of flexible characteristic and light scattering.In addition, still can use according to required lamination patterned structure (as Fig. 3 to Fig. 5) to have the mould that adds of different surfaces structure, and be not limited to this figure.
Figure 11 A to Figure 11 B is that wherein use and the 3rd embodiment components identical symbol represent same or analogous member according to the manufacturing schematic diagram of a kind of solar photoelectric module encapsulation laminated construction of the fourth embodiment of the present invention.
Please refer to Figure 11 A, when the laminated construction 1000 of the 3rd embodiment contains except inside when also having one deck strengthening layer 1100 solar cell 1002, the employed surface texture 1104 that adds mould 1102 should be different with the 3rd embodiment in the pressing step, and applied pressure also may be bigger during pressing, so that softening strengthening layer 1100 backs cut off the strengthening layer 1100 between the solar cell 1002.Identical among the effect of this layer strengthening layer 1100 and second embodiment, its rigidity is greater than the rigidity of each solar cell 1002, so when solar cell 1002 was the silicon wafer solar cell, this layer strengthening layer 1100 can further be protected solar cell 1002.For instance, if the orlop in the laminated construction 1000 replaces backboard or printing opacity cladding plate with strengthening layer 1100, all the other structures are constant.
Then, please refer to Figure 11 B, produce the flexible characteristic because will allow solar photoelectric module encapsulate laminated construction after the pressing, so strengthening layer 1100 must be discontinuous structure at lamination patterned structure 1106 places.
In addition, if strengthening layer 1100 is to be added in addition between first or second encapsulated layer and the solar cell as Fig. 8 or Fig. 9, then can add one deck the 3rd or the 4th encapsulated layer again between strengthening layer and solar cell, and utilize the mode of the 4th embodiment to carry out pressing, so do not repeat them here.
Below enumerate several experimental results and verify effect of the present invention.
Experiment one: light-transmission type solar photoelectric module encapsulation laminated construction
Prepare a laminated construction (as 1000 among Figure 10 A), comprise ETFE polymer (ETFE)/vinyl-vinyl acetate copolymer (EVA)/solar cell/EVA/ETFE, wherein ETFE thickness is about 50 μ m, and EVA thickness is about 0.4mm.To have the mould that adds that the encapsulation of pressing machine adds the lamination patterned structure then now, it is the semicircle mould of diameter 0.1mm.Pressing machine temperature is made as 150 ℃, in the cavity with chamber on the 40pa vacuum suction and following chamber totally 10 minutes, then go up the chamber vacuum breaker and carried out module pressing again 10 minutes in 2.5 minutes, obtain the solar photoelectric module encapsulation laminated construction as Fig. 3, encapsulate finished product 1200 and have about 35 ° flexible angle this moment, and its schematic diagram as shown in figure 12.Though note that Figure 12 only display surface patterned structure is arranged, but in fact to encapsulate finished product 1200 are laminated construction, and wherein have the lamination patterned structure.
Experiment two: light-transmission type solar photoelectric module encapsulation laminated construction
Carry out and experiment one identical step, but add the semicircle mould that mould changes diameter 3mm into, and obtain solar photoelectric module encapsulation laminated construction as Fig. 2, encapsulate finished product and have about 90 ° flexible angle this moment.
Experiment three: enhanced type solar photoelectric module encapsulation laminated construction
In order to reach reinforced module mechanical strength purpose, prepare a laminated construction (as 1000 among Figure 10 A), comprise acryl/EVA/ silicon wafer solar cell/EVA/ETFE, wherein acryl thickness is about 1mm thickness, ETFE thickness is about 50 μ m, and EVA thickness is about 0.4mm.To have the mould that adds that the encapsulation of pressing machine adds the lamination patterned structure then now, it is the semicircle mould of diameter 3mm.Pressing machine temperature is made as 150 ℃, in the cavity with chamber on the 40pa vacuum suction and following chamber totally 10 minutes, then go up the chamber vacuum breaker and carried out module pressing again 10 minutes in 2.5 minutes, this moment can be with the molten disconnected cutting of the acrylic layer of 1mm thickness, obtain the solar photoelectric module encapsulation laminated construction as Fig. 6 (also can be Fig. 7), encapsulate finished product and not only have the flexible characteristic this moment, more because adding one deck acrylic layer as strengthening layer, so in same pressing manufacture craft, can reach the flexible characteristic and the effect that increases the battery reinforcement of lamination patterned structure.
Experiment four: enhanced type solar photoelectric module encapsulation laminated construction
Prepare a laminated construction that comprises ETFE/EVA/ acryl/EVA/ silicon wafer solar cell/EVA/ETFE, wherein acryl thickness is about 1mm thickness, ETFE thickness is about 50 μ m, and EVA thickness is about 0.4mm.Utilize then and test three identical manufacture crafts and carry out pressing, this moment can be with the molten disconnected cutting of the acrylic layer of 1mm thickness, obtain the solar photoelectric module encapsulation laminated construction as Fig. 8 (also can be Fig. 9), encapsulating finished product this moment has the flexible characteristic simultaneously and increases the effect that battery is strengthened.
Simulated experiment: optics impairment simulation
With Tracepro optical analog software simulated optical collection characteristics, the setting simulated conditions are: module area 7cm * 7cm, cell area 1cm * 5cm, the lamination patterned structure is the V-arrangement patterned structure, and its drift angle is 37.87 °, simulating each layer thickness and material structure lamination is ETFE/EVA/ acryl/EVA/SolarCell/EVA/ETFE, wherein ETFE thickness is about 50 μ m, light refractive index is about 1.7, EVA thickness is about that 0.4mm, optics folding survey rate is about 1.5, acryl thickness is that 1mm, light refractive index are about 1.49, Solar Cell thickness and are about 200 μ m.Carry out optical analog at the module of Figure 13 A (no patterned structure), Figure 13 B (the embossed surface structure is only arranged), Figure 13 C (tool lamination patterned structure) then, the arrow among the figure represents the trend of light.The optical light-collecting that the result is only had the module of embossed surface structure to compare the module of no patterned structure increases about 1%, and that the module of tool lamination patterned structure of the present invention increases than the optical light-collecting of the module of no patterned structure is about 17%, so the lamination patterned structure more only has the module of embossed surface structure that preferable optical light-collecting effect is arranged.
Experiment five:
Utilize and test an identical pressing manufacture craft, light-transmission type solar photoelectric module encapsulation laminated construction (as Figure 14) and the solar photoelectric module with lamination patterned structure of the no patterned structure of group encapsulate laminated construction (as Figure 15) in contrast to make one respectively, laminated construction among the figure is three silicon wafer solar cell/EVA/ETFE of ETFE/EVA/, and ETFE thickness is about 50 μ m, and EVA thickness is about 0.4mm.Note that the oblique line among Figure 14 and Figure 15 partly is the silicon wafer solar cell, all the other then are laminated construction, though and among Figure 15 only display surface patterned structure is arranged, but in fact whole laminated construction in all have the lamination patterned structure.
Then, this experiment is tested with solar simulator, test condition be with standard test conditions (standard testing condition, STC), 25 ℃ of room temperatures, radiation source illumination 1000W/m
2, 0 ° of vertical incidence, with the solar cell of three serial connections as benchmark, relatively before the encapsulation with encapsulation after the solar module power difference, P before and after the encapsulation of the laminated construction of the solar photoelectric module of Figure 14 encapsulation as a result
MaxP before and after the solar photoelectric module encapsulation laminated construction encapsulation of increase by 2.25%, Figure 15
MaxIncrease by 12.36%.
The structure of the above-mentioned Figure 15 of picture can be made into the solar photoelectric module of large tracts of land Scroll in practical application, and is used as for building or product such as sun-shading curtain for automobile curtain.
Experiment six:
The solar photoelectric module encapsulation laminated construction of the control group of Figure 14 of same use experiment five and Figure 15.Test the voltage-to-current output characteristic of power output with the 3A class solar simulator (flash simulator) of standard test conditions (STC), after 3 monocrystalline solar cell serial connections, be packaged into module benchmark as a comparison, comparison module encapsulation back is to the solar module power difference of the difference of different incidence angles degree, and the definition benchmark is 25 ℃ of test condition room temperatures, radiation source illumination 1000W/m
2, 0 ° of vertical incidence, module power output 0.099Wp, vertical incidence definition module power ascension 0%.
The solar photoelectric module encapsulation laminated construction angle of inclination that the result obtains Figure 14 is 30 °, compares P with the STC vertical incidence
MaxLoss is 4.30%, if the solar photoelectric module of module package such as Figure 15 encapsulation laminated construction, the angle of inclination is ± 30 ° crooked flexible structure, compares P with the STC vertical incidence
MaxLoss～0.96%, crooked flexible structure have the effect of significantly improving for the oblique incidence angle.
Experiment seven:
Utilize and test an identical pressing manufacture craft, light-transmission type solar photoelectric module encapsulation laminated construction (as Figure 14) and the solar photoelectric module with lamination patterned structure of the no patterned structure of group encapsulate laminated construction (as Figure 15) in contrast to make one respectively, laminated construction wherein is three silicon wafer solar cell/EVA/ETFE of glass/EVA/, wherein ETFE thickness is about 50 μ m, and EVA thickness is about 0.4mm.
Then, this experiment is tested with solar simulator, and test condition is with standard test conditions (STC), 25 ℃ of room temperatures, radiation source illumination 1000W/m
2, 0 ° of vertical incidence, with the solar cell of three serial connections as benchmark, relatively before the encapsulation with encapsulation after the solar module power difference, modular power did not increase by 24.72% before and after the result had the solar photoelectric module encapsulation laminated construction encapsulation that modular power increases by 11.24% before and after the solar photoelectric module encapsulation laminated construction encapsulation of patterned structure, have the lamination patterned structure.
Experiment eight:
Utilize and test an identical pressing manufacture craft, light-transmission type solar photoelectric module encapsulation laminated construction (as Figure 14) and the solar photoelectric module with lamination patterned structure of the no patterned structure of group encapsulate laminated construction (as Figure 15) in contrast to make one respectively, laminated construction wherein is three silicon wafer solar cell/EVA/ glass of glass/EVA/, and wherein EVA thickness is about 0.4mm.
Then, this experiment is tested with solar simulator, and test condition is with standard test conditions (STC), 25 ℃ of room temperatures, radiation source illumination 1000W/m
2, 0 ° of vertical incidence, with the solar cell of three serial connections as benchmark, relatively before the encapsulation with encapsulation after the solar module power difference, modular power did not increase by 16.85% before and after the result had the solar photoelectric module encapsulation laminated construction encapsulation that modular power increases by 4.49% before and after the solar photoelectric module encapsulation laminated construction encapsulation of patterned structure, have the lamination patterned structure.
In sum, the present invention utilizes the geometry of single or multiple lamination embossing, can make solar photoelectric module encapsulation laminated construction have the inhomogeneous flexible characteristic of module mechanical strength and the effect of light scattering.And, as in solar photoelectric module encapsulation laminated construction, adding strengthening layer, also can protect as the module package laminated construction as the silicon wafer solar cell and not be damaged.The present invention not only can be applied to GENERAL TYPE and light-transmission type solar photoelectric module, possesses simultaneously to make easily and the advantage of hoisting module generated output.
Though disclosed the present invention in conjunction with above embodiment; yet it is not in order to limit the present invention; be familiar with this operator in the technical field under any; without departing from the spirit and scope of the present invention; can do a little change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (13)
1. a solar photoelectric module encapsulation laminated construction comprises a laminated construction that includes a plurality of solar cells, has a plurality of laminations interface in this laminated construction, and this solar photoelectric module encapsulation laminated construction is characterised in that:
This laminated construction also comprises at least one lamination patterned structure and a strengthening layer, this lamination patterned structure is to be formed in those lamination interfaces of same position at least one continuously from a surface of this laminated construction, and this lamination patterned structure is between those solar cells, cause this solar photoelectric module encapsulation laminated construction to have the effect of flexible characteristic and light scattering, the rigidity of this strengthening layer is greater than the rigidity of each solar cell, and this strengthening layer is discontinuous structure at this lamination patterned structure place.
2. solar photoelectric module as claimed in claim 1 encapsulates laminated construction, it is characterized in that: this lamination patterned structure is serrated surface or is curvature structure.
3. solar photoelectric module as claimed in claim 1 encapsulates laminated construction, and it is characterized in that: this laminated construction comprises:
The printing opacity cladding plate;
Backboard, this printing opacity cladding plate configuration relatively;
Those solar cells are between this printing opacity cladding plate and this backboard;
First encapsulated layer is between this printing opacity cladding plate and those solar cells; And
Second encapsulated layer is between this backboard and those solar cells.
4. solar photoelectric module as claimed in claim 3 encapsulates laminated construction, and it is characterized in that: this printing opacity cladding plate or this backboard are this strengthening layer.
5. solar photoelectric module as claimed in claim 3 encapsulates laminated construction, it is characterized in that:
This strengthening layer is between this first encapsulated layer and those solar cells, and this laminated construction also comprises the 3rd encapsulated layer, between this strengthening layer and those solar cells.
6. solar photoelectric module as claimed in claim 3 encapsulates laminated construction, it is characterized in that:
This strengthening layer is between this second encapsulated layer and those solar cells, and this laminated construction also comprises the 4th encapsulated layer, between this strengthening layer and those solar cells.
7. as each described solar photoelectric module encapsulation laminated construction in the claim 3～6, also comprise at least one color layer, between this printing opacity cladding plate and this backboard.
8. solar photoelectric module as claimed in claim 3 encapsulates laminated construction, and it is characterized in that: this backboard or this printing opacity cladding plate are color layer.
9. the manufacture method of a solar photoelectric module encapsulation laminated construction comprises that pressing includes a laminated construction of a plurality of solar cells, has a plurality of laminations interface and a strengthening layer in this laminated construction, and this manufacture method is characterised in that:
During this pressing, softening this strengthening layer also utilizes a surface texture transfer printing that adds mould to cause at least one lamination patterned structure from a surface of this laminated construction and cuts off this strengthening layer between those solar cells, this lamination patterned structure is to be formed in those lamination interfaces of same position at least one between those solar cells from this surface continuously, to cause this laminated construction to have the effect of flexible characteristic and light scattering.
10. solar photoelectric module as claimed in claim 9 encapsulates the manufacture method of laminated construction, and it is characterized in that: this laminated construction comprises:
The printing opacity cladding plate;
Backboard, this printing opacity cladding plate configuration relatively; Those solar cells are between this printing opacity cladding plate and this backboard;
First encapsulated layer is between this printing opacity cladding plate and those solar cells; And
Second encapsulated layer is between this backboard and those solar cells.
11. the manufacture method of solar photoelectric module encapsulation laminated construction as claimed in claim 10, it is characterized in that: this printing opacity cladding plate or this backboard are this strengthening layer, and the rigidity of this strengthening layer is greater than the rigidity of each solar cell.
12. the manufacture method of solar photoelectric module encapsulation laminated construction as claimed in claim 10, it is characterized in that: this strengthening layer is between this first encapsulated layer and those solar cells, wherein the rigidity of this strengthening layer is greater than the rigidity of each solar cell, and this laminated construction also comprises the 3rd encapsulated layer, between this strengthening layer and those solar cells.
13. the manufacture method of solar photoelectric module encapsulation laminated construction as claimed in claim 10, it is characterized in that: this strengthening layer is between this second encapsulated layer and those solar cells, wherein the rigidity of this strengthening layer is greater than the rigidity of each solar cell, and this laminated construction also comprises the 4th encapsulated layer, between this strengthening layer and those solar cells.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102221617A CN102315293B (en) | 2010-06-30 | 2010-06-30 | Solar photovoltaic module package laminated layer structure and making method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102221617A CN102315293B (en) | 2010-06-30 | 2010-06-30 | Solar photovoltaic module package laminated layer structure and making method thereof |
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| Publication Number | Publication Date |
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| CN102315293A CN102315293A (en) | 2012-01-11 |
| CN102315293B true CN102315293B (en) | 2013-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017103663A1 (en) * | 2015-12-15 | 2017-06-22 | Flisom Ag | Structuring of a photovoltaic apparatus |
| US12002895B2 (en) | 2020-07-10 | 2024-06-04 | Flisom Ag | Structuring of a photovoltaic apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HUE051279T2 (en) | 2016-01-06 | 2021-03-01 | Flisom Ag | Flexible photovoltaic apparatus |
| CN111900221B (en) * | 2020-08-05 | 2022-07-08 | 苏州中来光伏新材股份有限公司 | Light high-strength photovoltaic module and preparation method thereof |
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| JPS60128678A (en) * | 1983-12-15 | 1985-07-09 | Fuji Electric Corp Res & Dev Ltd | Solar cell module |
| JPS62173768A (en) * | 1986-01-27 | 1987-07-30 | Sharp Corp | Solar battery module |
| US5288337A (en) * | 1992-06-25 | 1994-02-22 | Siemens Solar Industries, L.P. | Photovoltaic module with specular reflector |
| US6020553A (en) * | 1994-10-09 | 2000-02-01 | Yeda Research And Development Co., Ltd. | Photovoltaic cell system and an optical structure therefor |
| IL111207A0 (en) * | 1994-10-09 | 1994-12-29 | Yeda Res & Dev | Photovoltaic cell system and an optical structure therefor |
| JP3259692B2 (en) * | 1998-09-18 | 2002-02-25 | 株式会社日立製作所 | Concentrating photovoltaic module, method of manufacturing the same, and concentrating photovoltaic system |
| JP3748370B2 (en) * | 2000-09-11 | 2006-02-22 | シャープ株式会社 | Solar cell module |
| US8039731B2 (en) * | 2005-06-06 | 2011-10-18 | General Electric Company | Photovoltaic concentrator for solar energy system |
| CN101060146A (en) * | 2007-05-11 | 2007-10-24 | 华南理工大学 | A package method for double-side silicon-glass solar cell assembly |
| CN201758128U (en) * | 2010-06-30 | 2011-03-09 | 财团法人工业技术研究院 | Folding solar panel and solar sun shading device both having laminated embossed structures |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017103663A1 (en) * | 2015-12-15 | 2017-06-22 | Flisom Ag | Structuring of a photovoltaic apparatus |
| US12002895B2 (en) | 2020-07-10 | 2024-06-04 | Flisom Ag | Structuring of a photovoltaic apparatus |
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| Publication number | Publication date |
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| CN102315293A (en) | 2012-01-11 |
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