CN203826402U - Transparent solar cell backboard and solar cell assembly - Google Patents
Transparent solar cell backboard and solar cell assembly Download PDFInfo
- Publication number
- CN203826402U CN203826402U CN201320877954.1U CN201320877954U CN203826402U CN 203826402 U CN203826402 U CN 203826402U CN 201320877954 U CN201320877954 U CN 201320877954U CN 203826402 U CN203826402 U CN 203826402U
- Authority
- CN
- China
- Prior art keywords
- transparent
- solar cell
- weather
- resisting
- base layer
- 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.)
- Expired - Lifetime
Links
- 239000010410 layer Substances 0.000 claims abstract description 59
- 239000012790 adhesive layer Substances 0.000 claims abstract description 15
- 229920000642 polymer Polymers 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011247 coating layer Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 18
- 230000002745 absorbent Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920006361 Polyflon Polymers 0.000 description 1
- 238000013084 building-integrated photovoltaic technology Methods 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical compound FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229940074869 marquis Drugs 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- VBUNOIXRZNJNAD-UHFFFAOYSA-N ponazuril Chemical compound CC1=CC(N2C(N(C)C(=O)NC2=O)=O)=CC=C1OC1=CC=C(S(=O)(=O)C(F)(F)F)C=C1 VBUNOIXRZNJNAD-UHFFFAOYSA-N 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to a transparent solar cell backboard and a solar cell assembly. The transparent solar cell backboard comprises a transparent base layer and a weather-proof transparent film layer. Particularly, the backboard also comprises a weather-proof transparent coating layer formed on one face of the transparent base layer and a transparent polymer adhesive layer formed between the other face of the transparent base layer and the weather-proof transparent film layer and used for bonding the transparent base layer and the weather-proof transparent film layer. The products of the utility model are high in transparency, good in weather-proof performance, good in heat conducting efficiency, and easy for assembly repair; and at the same time, the products of the utility model are low in production cost and easy for market promotion.
Description
Technical field
The utility model relates generally to a kind of transparent solar cell backboard and solar module.
Background technology
Solar panel is a laminated construction normally, mainly comprises the glassy layer, EVA encapsulated layer, silicon chip, EVA encapsulated layer and the transparent solar cell backboard that set gradually, and wherein silicon chip is by two-layer EVA glued membrane sealed envelope.Transparent solar cell backboard is mainly used in N-type crystal silicon solar energy battery, and it is attractive in appearance that construction integration solar electrification component (BIPV) reaches color, and printing opacity and building are harmonious, reach designing requirement.Ensure the mechanical strength of solar panel simultaneously, prevent that water vapor permeable is in sealant, affect life-span and the generating efficiency of cell piece.Because transparent solar cell backboard is at the outermost of solar panel, require backboard to there is good anti-environmental attack performance, thereby the transparent solar cell backboard of manufacturing must have good wet and heat ageing resistant, high temperature resistant, hydrolysis, low water vapor transmittance, decay resistance, and resist UV-irradiation ability.
In prior art, transparent solar cell backboard is mainly by the thick transparent fluorine-contained film of 0.02 ~ 0.03mm, and the EVA that the PET transparent base layer that 0.18 ~ 0.30mm is thick and 0.025 ~ 0.1mm are thick or polyolefin film or transparent fluorine-contained film trilamellar membrane Material cladding form.This backboard has following shortcoming: the thicker heat transfer efficiency of backboard is poor, assembly is reprocessed difficulty, and EVA or polyolefin film transparent film layer long-term ageing weatherability are poor.Transparent fluorine-contained film is expensive, EVA or polyolefin film transparent film layer transparency (optical fiber transmitance is lower than 85%) not simultaneously, the requirement that does not reach transparency.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, the novel transparent solar cell backboard that provide that a kind of transparency is good, thermal conductivity is high, assembly is reprocessed easily, resisting ageing for long time performance is good, air surface transparent film layer and assembly EVA contact-making surface uses clear coat.
The utility model also provides the solar module that a kind of thermal conductivity is high, assembly is reprocessed easily, resisting ageing for long time performance is good.
For solving above technical problem, the utility model adopts following technical scheme:
A kind of transparent solar cell backboard, comprise transparent base layer, weather-resisting transparent rete, described transparent solar cell backboard also comprise the weather-resisting transparent coating in the one side that is formed on described transparent base layer and be formed on the another side of described transparent base layer and described weather-resisting transparent rete between for by described transparent base layer and the bonding transparent polymer adhesive layer of described weather-resisting transparent rete.
According to further embodiment of the present utility model:
The thickness of described weather-resisting transparent coating is 0.1 ~ 30 micron.Described weather-resisting transparent coating can be by having simultaneously constituting of one or more in the polyflon, daiflon, acrylic resin, polyurethane, epoxy resin, silicon rubber of resistance to UV of UV absorbent properties.
The thickness of described transparent polymer adhesive layer is 1 ~ 30 micron.Described transparent polymer adhesive can be by having the simultaneously adhesive layer constituting of one or more in the adhesive for polyurethane, acrylic resin adhesive, epoxyn of resistance to UV of UV absorbent properties.
Described transparent base layer is PET transparent base layer, and its thickness is 0.01 ~ 10 millimeter, and transparency is 70 ~ 99%.
Described weather-resisting transparent rete can and preferably by the one in transparent polyvinyl fluoride rete, transparent Kynoar rete, the weather-proof PET rete of transparent height, transparent modified polymethyl methacrylate film layer, its thickness is 5 ~ 200 microns.
According to a preferred aspect of the present utility model: the thickness of described transparent base layer is 0.2 ~ 0.3 millimeter, the thickness of described weather-resisting transparent rete is 5 ~ 50 microns, the thickness of described weather-resisting transparent coating is 1 ~ 25 micron, 5 ~ 20 microns of the thickness of described transparent polymer adhesive layer.
Another technical scheme of the present utility model is: a kind of solar module, it includes above-mentioned transparent solar cell backboard.
Due to the enforcement of technique scheme, the utility model compared with prior art tool has the following advantages:
The structure that transparent solar cell backboard of the present utility model is at least four layers, its on transparent base layer, be coated with the weather-proof UV of having absorbent properties simultaneously between the weather-resisting transparent coating of resistance to UV and the another side that is formed on transparent base layer and weather-resisting transparent rete for by transparent base layer and weather-resisting transparent rete bonding there is the UV absorbent properties while transparent polymer of resistance to UV adhesive layer, so setting can reduce the thickness of solar cell backboard, improve heat transfer efficiency and enhance the transparency, assembly is reprocessed and become different, weather resistance is better.
Brief description of the drawings
Fig. 1 is the structural representation of transparent solar cell backboard of the present utility model;
Fig. 2 is the structural representation of solar module of the present utility model;
In figure: 1, transparent base layer; 2, weather-resisting transparent rete; 3, weather-resisting transparent coating; 4, transparent polymer adhesive layer; 5, EVA encapsulated layer; 6, cell piece; 7, glassy layer.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The transparent solar cell backboard that the utility model provides a kind of can make that thermal conductivity is high, transparency is high, easily reprocess, weather resistance is good.
Referring to Fig. 1, transparent solar cell backboard of the present utility model is four-layer structure, comprise the weather-resisting transparent rete 2, transparent polymer adhesive layer 4, transparent base layer 1 and the weather-resisting transparent coating 3 that set gradually from top to bottom, wherein: mutually bonding by transparent polymer adhesive layer 4 between weather-resisting transparent rete 2 and transparent base layer 1,3 of weather-resisting transparent coatings are the clear coats being formed directly on transparent base layer 1.
In this example, transparent base layer 1 is PET transparent base layer, and its thickness can be 0.1 ~ 10 millimeter, and preferred thickness is 0.2 ~ 0.3 millimeter, and concrete thickness can be 0.25 millimeter, 0.3 millimeter etc.
In this example, weather-resisting transparent rete 2 is transparent polyvinylidene difluoride film layer (PVDF), and this transparent film layer also can be selected transparent polyvinyl fluoride thin film layer (ETFE), can be also the weather-proof PET thin layer of transparent height.The thickness of the transparent film layer of resistance to marquis is 5 ~ 200 microns, and preferred thickness is 15 ~ 50 microns, and concrete thickness can be 15 microns, 20 microns, 25 microns, 30 microns, 50 microns etc.
In this example, weather-resisting transparent coating 3 is for having UV absorbent properties resistance to UV polytetrafluoroethylene (PTFE) base transparent film layer simultaneously, and it can also select polytrifluorochloroethylene base transparent film layer, also can be chosen as acrylic resin-based transparent film layer; The thickness of weather-resisting transparent coating 3 can be 0.1 ~ 30 micron, and preferred thickness is 1 ~ 25 micron, and concrete thickness can be 3 microns, 5 microns, 7 microns, 10 microns, 15 microns, 20 microns, 25 microns etc.
In this example, transparent polymer adhesive layer 4 forms by having the UV absorbent properties while adhesive for polyurethane of resistance to UV, and it also can select acrylic resin adhesive.The thickness of transparent polymer adhesive layer 4 is 1 ~ 30 micron, and preferred thickness is 5 ~ 20 microns, and concrete thickness can be 10 microns, 15 microns, 20 microns etc.
Referring to Fig. 2, solar module is assembled and obtained to above-mentioned transparent solar cell backboard and EVA encapsulated layer 5, cell piece 6, glassy layer 7, and this solar module has weather-resisting transparent rete 2, transparent polymer adhesive layer 4, transparent base layer 1, EVA encapsulated layer 5, cell piece 6, EVA encapsulated layer 5, the glassy layer 7 for being combined with each other successively.
Transparent solar cell backboard of the present utility model has high light transmittance (70%-99%) and thermal conductivity (0.322 W/mK), excellent weather resisteant (UV-60kwh, △ b=0.5), reprocesses performance good, noresidue.By contrast, the light transmittance of traditional transparent solar cell backboard is the light transmittance not high enough (light transmittance is 50%-85%) of EVA face particularly, thermal conductivity lower (0.248 W/mK), weatherability poor (UV-60kwh, △ b
>=2.5), reprocess difficulty, polyolefin film transparent film layer has residual while reprocessing.
To sum up, product of the present utility model has good weather resistance, and high transparency is easy to assembly and reprocesses, and heat transfer efficiency well has lower production cost simultaneously, is easy to marketing.
Above the utility model is described in detail; its object is to allow the personage who is familiar with this art can understand content of the present utility model and be implemented; can not limit protection range of the present utility model with this; all equivalences of doing according to Spirit Essence of the present utility model change or modify, and all should be encompassed in protection range of the present utility model.
Claims (8)
1. a transparent solar cell backboard, comprise transparent base layer, weather-resisting transparent rete, it is characterized in that, described transparent solar cell backboard also comprise the weather-resisting transparent coating in the one side that is formed on described transparent base layer and be formed on the another side of described transparent base layer and described weather-resisting transparent rete between for by described transparent base layer and the bonding transparent polymer adhesive layer of described weather-resisting transparent rete.
2. transparent solar cell backboard according to claim 1, is characterized in that, the thickness of described weather-resisting transparent coating is 0.1 ~ 30 micron.
3. transparent solar cell backboard according to claim 1, is characterized in that, the thickness of described transparent polymer adhesive layer is 1 ~ 30 micron.
4. transparent solar cell backboard according to claim 1, is characterized in that, described transparent base layer is PET transparent base layer, and its thickness is 0.01 ~ 10 millimeter.
5. transparent solar cell backboard according to claim 1, it is characterized in that, described weather-resisting transparent rete is the one in the transparent polyvinyl fluoride rete of resistance to UV, transparent Kynoar rete, the weather-proof PET rete of transparent height, transparent modified polymethyl methacrylate film layer.
6. transparent solar cell backboard according to claim 1 or 5, is characterized in that, the thickness of described weather-resisting transparent rete is 5 ~ 200 microns.
7. transparent solar cell backboard according to claim 1, it is characterized in that, the thickness of described transparent base layer is 0.2 ~ 0.3 millimeter, the thickness of described weather-resisting transparent rete is 5 ~ 50 microns, the thickness of described weather-resisting transparent coating is 1 ~ 25 micron, 5 ~ 20 microns of the thickness of described transparent polymer adhesive layer.
8. a solar module, is characterized in that, described solar module includes the transparent solar cell backboard described in any one claim in claim 1 ~ 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877954.1U CN203826402U (en) | 2013-12-30 | 2013-12-30 | Transparent solar cell backboard and solar cell assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877954.1U CN203826402U (en) | 2013-12-30 | 2013-12-30 | Transparent solar cell backboard and solar cell assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826402U true CN203826402U (en) | 2014-09-10 |
Family
ID=51481871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877954.1U Expired - Lifetime CN203826402U (en) | 2013-12-30 | 2013-12-30 | Transparent solar cell backboard and solar cell assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826402U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576064A (en) * | 2016-01-13 | 2016-05-11 | 中天光伏材料有限公司 | Non-adhesive transparent solar cell backing plate |
| CN106784093A (en) * | 2016-12-27 | 2017-05-31 | 苏州赛伍应用技术有限公司 | A kind of solar cell module transparent isolation bar |
| CN106784097A (en) * | 2017-02-22 | 2017-05-31 | 苏州赛伍应用技术有限公司 | A kind of transparent solar components backboard of high water resistant and foreboard |
| CN106876511A (en) * | 2017-02-22 | 2017-06-20 | 苏州赛伍应用技术有限公司 | A kind of solar cell backboard |
-
2013
- 2013-12-30 CN CN201320877954.1U patent/CN203826402U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576064A (en) * | 2016-01-13 | 2016-05-11 | 中天光伏材料有限公司 | Non-adhesive transparent solar cell backing plate |
| CN106784093A (en) * | 2016-12-27 | 2017-05-31 | 苏州赛伍应用技术有限公司 | A kind of solar cell module transparent isolation bar |
| CN106784097A (en) * | 2017-02-22 | 2017-05-31 | 苏州赛伍应用技术有限公司 | A kind of transparent solar components backboard of high water resistant and foreboard |
| CN106876511A (en) * | 2017-02-22 | 2017-06-20 | 苏州赛伍应用技术有限公司 | A kind of solar cell backboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215200, Wujiang economic and Technological Development Zone, Suzhou, Jiangsu Province, No. 369, Hong Kong Road, Tianjin Road Patentee after: CYBRID TECHNOLOGIES Inc. Address before: 215200, Wujiang economic and Technological Development Zone, Suzhou, Jiangsu Province, No. 369, Hong Kong Road, Tianjin Road Patentee before: CYBRID TECHNOLOGIES Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |