CN106784083A - Photovoltaic module - Google Patents
Photovoltaic module Download PDFInfo
- Publication number
- CN106784083A CN106784083A CN201611073830.2A CN201611073830A CN106784083A CN 106784083 A CN106784083 A CN 106784083A CN 201611073830 A CN201611073830 A CN 201611073830A CN 106784083 A CN106784083 A CN 106784083A
- Authority
- CN
- China
- Prior art keywords
- glued membrane
- layer
- photovoltaic module
- melting point
- low melting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims abstract description 86
- 238000002844 melting Methods 0.000 claims abstract description 33
- 230000008018 melting Effects 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 229920000642 polymer Polymers 0.000 claims abstract description 14
- 239000002105 nanoparticle Substances 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 239000002313 adhesive film Substances 0.000 claims description 30
- 239000003292 glue Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 abstract description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 35
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 35
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- -1 Vinyl acetate Ester Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
Classifications
-
- 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
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/049—Protective back sheets
-
- 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 relates to a kind of photovoltaic module structure, described structure includes preceding glass sheet and polymer composite back plate, two-layer glued membrane is provided between described preceding glass sheet and polymer composite back plate, and in described two-layer glued membrane at least one layer be low melting point glued membrane, the low melting point glued membrane fusing point is less than 85 DEG C, cell piece is set between described two-layer glued membrane, mix light-conversion nano particle and microbubble in the two-layer glued membrane, between 10 100nm, the particle size range of the bubble is between 0.1~200 μm for the particle size range of the particle.Employ photovoltaic module structure of the invention, wherein introduce low melting point glued membrane, because its melt temperature is low, its mobility is set to have certain substrate increase, make light distance in glued membrane elongated due to introducing bubble, coordinating with light conversion particles makes the conversion ratio of light close to 100%, is applied in photovoltaic module structure, can improve light utilization efficiency.
Description
Technical field
The present invention relates to cell art, more particularly to technical field of solar batteries specifically refers to a kind of photovoltaic group
Part structure.
Background technology
Solar power generation is a kind of green regenerative energy sources of cleaning, is more come in traditional energy exhausted, environmental pollution increasingly
Under stronger background, solar power generation is increasingly favored by people.With the development of society, market is to solar power generation skill
The increasingly diversification of the demand of art.Photovoltaic module is to replace the component of photovoltaic back with safety glass, and photovoltaic module has good
Light transmittance and crystalline silicon photovoltaic module there is good environmental reliability energy.Conventional photovoltaic assemblies are wide because of its preferable light transmittance
It is general to be applied in architecture-integral.
It is respectively successively preceding glass sheet, glued membrane, battery by structure under towards sunlight face in conventional photovoltaic assemblies
Piece, glued membrane, polymer composite back plate.Wherein glued membrane generally uses ethylene-vinyl acetate resin (EVA) material.Vinyl acetate
Ester (i.e. VA) content EVA resin higher, transparency is (light transmittance is higher than 90%) high, and very soft, can be received with absorbed glass
To impact and protect cell piece.The two features of EVA resin make it be highly suitable as solar photovoltaic battery component
Encapsulating material.EVA resin for photovoltaic module is generally the EVA resin that VA contents (weight) are from 25% to 33%, its fusing point
It is 62 DEG C to 75 DEG C.80 DEG C be likely to be breached when being generated electricity less than photovoltaic module due to its fusing point, so be must be added in EVA adhesive film
Peroxide cross-linking agent.It makes EVA adhesive film in the lamination operation in by component manufacturing process, and EVA adhesive film is heated and is handed over
Connection reaction, makes EVA resin be internally formed spatial network without that can melt again.After lamination, the degree of cross linking of EVA adhesive film 75% to
Between 95%.Glued membrane can also use POE resin, and it is Ethylene/Butylene or ethylene-octene copolymer.Similar with EVA, POE has
The fairly good transparency and flexibility.The fusing point of POE resin is generally between 50 DEG C -70 DEG C.
The content of the invention
The purpose of the present invention is to overcome above-mentioned shortcoming of the prior art, there is provided be difficult mutually to ooze between a kind of glued membrane
Thoroughly, the photovoltaic module structure of interface is clear, simple structure.
To realize above-mentioned purpose, photovoltaic module structure of the invention uses following technical scheme：
The photovoltaic module structure, it is mainly characterized by, and described structure includes preceding glass sheet and polymer composite back plate, institute
Be provided with two-layer glued membrane between the preceding glass sheet and polymer composite back plate stated, and in described two-layer glued membrane at least one layer be
Low melting point glued membrane, the low melting point glued membrane fusing point is less than 85 DEG C, and cell piece, the two-layer glued membrane are set between described two-layer glued membrane
In mix light-conversion nano particle and microbubble, the particle size range of the particle between 10-100nm, the gas
The particle size range of bubble is between 0.1~200 μm.
Further, described glued membrane is EVA adhesive film or POE glued membranes.
Further, one layer is EVA adhesive film in described two-layer glued membrane, and another layer is low melting point EVA adhesive film, and institute
The low melting point EVA adhesive film stated is arranged on described polymer composite back plate.
Further, described two-layer glued membrane is two-layer low melting point EVA adhesive film.
Further, described glued membrane is transparent adhesive film or coloured glued membrane.
Double glass photovoltaic structures of the structure are employed, wherein introducing low melting point glued membrane, its mobility is relatively low, in double glass too
It is positive can construction packages when, cell piece or convergent belt displacement, structure corners bubble, the excessive glue fault of construction such as seriously can be substantially reduced,
When one layer of glued membrane in two-layer glued membrane has color simultaneously, the interface of two-layer glued membrane can be avoided smudgy after laminating, it is coloured
The problems such as excessive glue blocks cell piece and welding, low cost is simple to operate, has wide range of applications, and light-conversion nano particle can be by
The light in infrared wavelength range that solar cell cannot be changed is changed to visible-range, so as to improve light utilization efficiency.Its
In introduce low melting point glued membrane, because its melt temperature is low, make its mobility there is certain substrate to increase, make due to introducing bubble
Light distance in glued membrane is elongated, and coordinating with light conversion particles makes the conversion ratio of light close to 100%, is applied in photovoltaic module knot
In structure, light utilization efficiency can be improved.
Brief description of the drawings
In order that above and other objects of the present invention, feature, advantage and embodiment can become apparent, there is provided accompanying drawing,
Wherein：
Fig. 1 is the schematic diagram of one embodiment of the present invention.
Specific embodiment
In order that the narration of present disclosure it is more detailed with it is complete, below for implementation of the invention aspect and specific reality
Apply example and propose illustrative description；But this is implemented or with the unique forms of the specific embodiment of the invention.Following institute
Disclosed each embodiment, can be mutually combined or replace in the case of beneficial, also can in one embodiment add other implementations
Example, and need not further record or explanation.
In the following description, many specific details be will be described in detail so that reader can fully understand following embodiment.
However, embodiments of the invention can be put into practice in the case of without such specific detail.In other cases, for simplification is attached
Figure, well known structure is only symbolically illustrated in figure with device.
In order to be able to be more clearly understood that technology contents of the invention, described in detail especially exemplified by following examples.
Refering to Fig. 1, the photovoltaic module structure, described structure includes preceding glass sheet 1 and polymer composite back plate 4, described
Preceding glass sheet 1 and polymer composite back plate 4 between be provided with two-layer glued membrane, and in described two-layer glued membrane at least one layer be
Low melting point glued membrane, the low melting point glued membrane fusing point is less than 85 DEG C, and light-conversion nano particle and micro- is mixed in the two-layer glued membrane
Meter level bubble, between 10-100nm, the particle size range of the bubble is between 0.1~200 μm for the particle size range of the particle.
Low melting point glued membrane is compared with conventional glued membrane, and its mobility is relatively low, in photovoltaic component encapsulating, can substantially reduce battery
The fault of construction such as piece or convergent belt displacement, structure corners bubble, excessive glue be serious, while described glued membrane is transparent adhesive film or has face
The glued membrane of color, more specifically, when one layer of glued membrane in described two-layer glued membrane has color, two-layer glued membrane can be avoided after laminating
Interface it is smudgy, the problems such as coloured excessive glue blocks cell piece and welding.
Crystal-silicon battery slice 2 or CIGS cell pieces (solar film battery piece) are provided between two-layer glued membrane.
In a preferred embodiment, described glued membrane is EVA adhesive film or POE glued membranes.More specifically, described
One layer is EVA adhesive film in two-layer glued membrane, and another layer is low melting point EVA adhesive film, and described low melting point EVA adhesive film is arranged at institute
On the polymer composite back plate stated.Or, described two-layer glued membrane is two-layer low melting point EVA adhesive film.
The first implementation method of the invention is specially：
Photovoltaic module structure is successively from front to back：(70 DEG C of fusing point, VA contents are for preceding glass sheet 1, transparent EVA glued membrane 3
28%), crystal-silicon battery slice 2, white low melting point EVA adhesive film 5 (80 DEG C of fusing point, reflectivity 88%), polymer composite back plate 4.Will
After this structure is laminated at 145 DEG C, the degree of cross linking of transparent EVA glued membrane 3 and white low melting point EVA adhesive film 5 is all higher than 80%.It is transparent
EVA adhesive film 3 and the white interface of low melting point EVA adhesive film 5 understand, the white low melting point EVA adhesive film 5 of lower floor does not penetrate into transparent
In EVA adhesive film 3 or layer is turned over to crystal-silicon battery slice 2, light-conversion nano particle and micro- is mixed in the two-layer glued membrane
Meter level bubble, between 10-100nm, the particle size range of the bubble is between 0.1~200 μm for the particle size range of the particle.
Second implementation method of the invention is specially：
Photovoltaic module structure is successively from front to back：Preceding glass sheet 1, transparent low melting point POE glued membranes 6 (90 DEG C of fusing point), silicon
Brilliant cell piece 2, transparent low melting point POE glued membranes 6 (90 DEG C of fusing point), rear glass sheet 4.It is transparent low after this structure is laminated at 150 DEG C
The good stability of the dimension of fusing point POE glued membranes 6, the glued membrane of the spilling after lamination from glass surrounding is little, in the two-layer glued membrane
Mixing light-conversion nano particle and microbubble, the particle size range of the particle between 10-100nm, the bubble
Particle size range is between 0.1~200 μm.
The third implementation method of the invention is specially：
Photovoltaic module structure is successively from front to back：Preceding glass sheet 1, transparent EVA glued membrane 3, silicon wafer cell piece 2, black are low
Fusing point EVA adhesive film 7 (110 DEG C of fusing point), rear glass sheet 4.After this structure is laminated at 150 DEG C, transparent EVA glued membrane 3 and black eutectic
Point EVA adhesive film 7 interface understands.The black low melting point EVA adhesive film 7 of lower floor does not penetrate into transparent EVA glued membrane 3 or turns over layer
Onto silicon wafer cell piece 2, light-conversion nano particle and microbubble, the grain of the particle are mixed in the two-layer glued membrane
Between 10-100nm, the particle size range of the bubble is between 0.1~200 μm for footpath scope.
4th kind of implementation method of the invention is specially：
Photovoltaic module structure is successively from front to back：(70 DEG C of fusing point, VA contents are for preceding glass sheet 1, transparent POE glued membranes 8
28%), crystal-silicon battery slice 2, white low melting point POE glued membranes 6 (80 DEG C of fusing point, reflectivity 88%), polymer composite back plate 4.Will
After this structure is laminated at 145 DEG C, the degree of cross linking of transparent POE glued membranes 8 and white low melting point POE glued membranes 6 is all higher than 80%.It is transparent
POE glued membranes 8 and the interface of white low melting point POE glued membranes 6 understand, the white low melting point POE glued membranes 6 of lower floor do not penetrate into transparent
In POE glued membranes 8 or layer is turned over to crystal-silicon battery slice 2, light-conversion nano particle and micro- is mixed in the two-layer glued membrane
Meter level bubble, between 10-100nm, the particle size range of the bubble is between 0.1~200 μm for the particle size range of the particle.
The photovoltaic module structure of the structure is employed, wherein introducing low melting point glued membrane, its mobility is relatively low, in double glass too
It is positive can construction packages when, cell piece or convergent belt displacement, structure corners bubble, the excessive glue fault of construction such as seriously can be substantially reduced,
When one layer of glued membrane in two-layer glued membrane has color simultaneously, the interface of two-layer glued membrane can be avoided smudgy after laminating, it is coloured
The problems such as excessive glue blocks cell piece and welding, low cost is simple to operate, has wide range of applications, wherein low melting point glued membrane is introduced,
Because its melt temperature is low, its mobility is had certain substrate increase, make light distance in glued membrane elongated due to introducing bubble,
Coordinating with light conversion particles makes the conversion ratio of light close to 100%, is applied in photovoltaic module structure, can improve light utilization
Rate.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings are considered as illustrative
And it is nonrestrictive.
Claims (5)
1. a kind of photovoltaic module structure, it is characterised in that described structure includes preceding glass sheet and polymer composite back plate, described
Preceding glass sheet and polymer composite back plate between be provided with two-layer glued membrane, and in described two-layer glued membrane at least one layer be low
Fusing point glued membrane, the low melting point glued membrane fusing point is less than 85 DEG C, cell piece is set between described two-layer glued membrane, in the two-layer glued membrane
Mix light-conversion nano particle and microbubble, the particle size range of the particle between 10-100nm, the bubble
Particle size range between 0.1~200 μm.
2. photovoltaic module structure according to claim 1, it is characterised in that described glued membrane is EVA adhesive film or POE glue
Film.
3. photovoltaic module structure according to claim 2, it is characterised in that a layer is EVA glue in described two-layer glued membrane
Film, and another layer is low melting point EVA adhesive film, and described low melting point EVA adhesive film is arranged on described polymer composite back plate.
4. photovoltaic module structure according to claim 2, it is characterised in that described two-layer glued membrane is two-layer low melting point
EVA adhesive film.
5. photovoltaic module structure according to claim 1, it is characterised in that described glued membrane is transparent adhesive film or has color
Glued membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073830.2A CN106784083A (en) | 2016-11-29 | 2016-11-29 | Photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073830.2A CN106784083A (en) | 2016-11-29 | 2016-11-29 | Photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106784083A true CN106784083A (en) | 2017-05-31 |
Family
ID=58898488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611073830.2A Pending CN106784083A (en) | 2016-11-29 | 2016-11-29 | Photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106784083A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738268A (en) * | 2011-04-13 | 2012-10-17 | 三星电子株式会社 | Solar cell using polymer-dispersed liquid crystals |
| CN204155943U (en) * | 2014-09-24 | 2015-02-11 | 东莞南玻光伏科技有限公司 | Novel glass layer and the crystal silicon solar photovoltaic module with this glassy layer |
| CN204464299U (en) * | 2015-04-01 | 2015-07-08 | 上海海优威光伏材料有限公司 | Two glass photovoltaic module structure |
-
2016
- 2016-11-29 CN CN201611073830.2A patent/CN106784083A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738268A (en) * | 2011-04-13 | 2012-10-17 | 三星电子株式会社 | Solar cell using polymer-dispersed liquid crystals |
| CN204155943U (en) * | 2014-09-24 | 2015-02-11 | 东莞南玻光伏科技有限公司 | Novel glass layer and the crystal silicon solar photovoltaic module with this glassy layer |
| CN204464299U (en) * | 2015-04-01 | 2015-07-08 | 上海海优威光伏材料有限公司 | Two glass photovoltaic module structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170531 |