CN203567286U - Metal perforated rear panel for solar cell - Google Patents
Metal perforated rear panel for solar cell Download PDFInfo
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- CN203567286U CN203567286U CN201320580947.5U CN201320580947U CN203567286U CN 203567286 U CN203567286 U CN 203567286U CN 201320580947 U CN201320580947 U CN 201320580947U CN 203567286 U CN203567286 U CN 203567286U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a metal perforated rear panel for a solar cell. The rear panel comprises a base material layer, wherein a weather-resistant layer is coated on a surface of the base material layer; an adhesive layer is coated on the other surface of the base material layer; a metal layer is attached to the adhesive layer in a hot-pressing mode; a circuit diagram is printed on the metal layer; an insulating layer is subjected to silk-screen printing on the metal layer. A modified fluororesin weather-resistant layer is coated on the rear panel, so that the manufactured metal perforated rear panel for the solar cell has low water vapor permeability and high electric breakdown resistance. Meanwhile, the rear panel has high weather resistance, ultraviolet resistance and damp-heat resistance; according to the use of the modified fluororesin weather-resistant layer, the obtained weather-resistant layer has high adhesiveness, and the adhesiveness cannot be compared by using a non-modified fluororesin weather-resistant layer. According to application of the weather-resistant layer, the effect of protecting a solar component can be greatly improved, and the service life of the solar component is prolonged.
Description
Technical field
The utility model relates to solar energy backboard art, and a kind of metal piercing formula used for solar batteries backboard is particularly provided.
Background technology
In solar components, the effect of solar cell backboard should not be underestimated, and solar cell backboard plays a part the cell piece in protection photovoltaic module.Traditional backboard mode of production be by pre-manufactured fluoropolymer film particularly polyvinyl fluoride (PVDF) film be pasted on poly-vinegar (PET) base material, be typically at PET both sides attaching fluoropolymer film and form " sandwich " structure, its production technology is at base material two sides difference coated heat solidity polyester binder, then hot pressing coating thickness is the PVDF film of 38 μ m, obtains the backboard that traditional approach is manufactured.In prior art, Chinese utility model patent number is 200710069782.4, and the weathering layer film thickness that it adopts is 0.035 ~ 0.045mm.
Although this class backboard has improved the service life of solar components significantly, yet at different moistures, temperature, under oxygen and ultraviolet impact and destruction, to backboard in weatherability, in uvioresistant and heat resistance performance, there is higher requirement, simultaneously in prior art, because the pre-fluoropolymer film of producing must have enough thickness to meet the requirement to its intensity in laminating and post processor process, make the actual (real) thickness ratio of film for providing the required thickness of protective value large, cause the waste of expensive fluorine resin film, improved the cost of product, along with market competition is more and more fierce, the cost that how to reduce product also becomes each researcher and needs one of major issue problem of solution badly.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of metal piercing formula used for solar batteries backboard with good weatherability, uvioresistant and heat resistance performance.
For achieving the above object, the utility model adopts following technical scheme: a kind of metal piercing formula used for solar batteries backboard, include a substrate layer, described substrate layer is coated with a weathering layer on one surface, another surface-coated of this substrate layer has a tack coat, on this tack coat, hot pressing is fitted with a metal level, on this metal level, is printed with circuit diagram, on this metal level according to institute's print circuit pattern serigraphy one insulating barrier.
As a kind of preferred version, described weathering layer is modified fluorin resin composition layer.
As a kind of preferred version, described substrate layer is a kind of in PETG sheet material or polybutylene terephthalate (PBT) sheet material or PEN sheet material.
As a kind of preferred version, described tack coat is a kind of in epoxyn layer, saturated polyester adhesive layer, polyurethane adhesive layer, acrylic resin adhesive layer.
As a kind of preferred version, described metal level is a kind of in Copper Foil or aluminium foil or nickel foil.
As a kind of preferred version, described insulating barrier is that epoxy resin ink or mylar ink or acrylic resin ink are coated on the insulating barrier being solidified on metal level by serigraphy.
As a kind of preferred version, the thickness of described weathering layer is 20 μ m ~ 25 μ m.
The utility model compared with prior art has obvious advantage and beneficial effect, the beneficial effects of the utility model: by apply one deck modified fluorin resin weathering layer on backboard, make the metal piercing formula used for solar batteries backboard making there is lower moisture-vapor transmission and higher anti-electrical breakdown performance; Simultaneously, this backboard has stronger weatherability, uvioresistant and heat resistance performance, wherein, by using modified fluorin resin weathering layer, resulting weathering layer has good tack to substrate layer, and this tack is used non-modified fluoride-containing resin weathering layer not compare.The application of this weathering layer, can improve its protective effect to solar components greatly, thereby improves the service life of solar components.Owing to adopting modified fluorin resin weathering layer and substrate layer to there is stronger adhesive force; the middle adhesive that does not need to add other; make this weathering layer thinner identical protection effect that just can reach that becomes; thereby reduce associated materials and simplified production technology, having reduced product cost, improved the competitiveness of product in market.
Accompanying drawing explanation
Fig. 1 is the simplified schematic diagram of the preferred embodiment of the utility model.
Accompanying drawing identifier declaration
10, insulating barrier
20, metal level
30, tack coat
40, substrate layer
50, weathering layer.
The specific embodiment
Embodiment 1
A kind of metal piercing formula used for solar batteries backboard, include successively insulating barrier, metal level, tack coat, substrate layer and weathering layer, described weathering layer is coated on substrate layer by coating apparatus, this weathering layer is fluororesin composition, and this fluororesin composition includes by quality 100%:
Modified fluorin resin 46%;
Aerosil 4%;
Titanium dioxide 15 %;
Curing agent 5%;
Described modified fluorin resin is for carrying out the vinylidene fluoride copolymers of modification with carboxylic acid group and two groups of hydroxyl.
This curing agent is polyisocyanates.
This substrate layer is PETG.
This tack coat is epoxyn.
This metal level is Copper Foil.
This insulating barrier is that epoxy resin ink is coated on metal level by serigraphy, is then solidified into insulating barrier.
The thickness of this weathering layer is 20 μ m.
The preparation method of this metal piercing formula used for solar batteries backboard, includes following steps:
First prepare fluororesin composition, modified fluorin resin 46%, aerosil 4%, titanium dioxide 15 %, curing agent 5 % and solvent 30% are mixed;
Then by scraper for coating method, a surface of fluororesin composition being coated to substrate layer is upper, after baking oven baking-curing, forms weathering layer;
Then on another surface of substrate layer, be coated with tack coat, then hot pressing laminating metal level on tack coat;
Finally after metal level printed wiring, serigraphy insulating barrier in the above.
Embodiment 2
A kind of metal piercing formula used for solar batteries backboard, include successively insulating barrier, metal level, tack coat, substrate layer and weathering layer, described weathering layer is coated on substrate layer by coating apparatus, this weathering layer is fluororesin composition, and this fluororesin composition includes by quality 100%:
Modified fluorin resin 25%;
Aerosil 2%;
Curing agent 8 %;
Butyl ester 45%.
This modified fluorin resin is for carrying out the hexafluoropropene homopolymers of modification with carboxylic acid group.
This curing agent is hydrogenated diphenyl methane diisocyanate.
This substrate layer is polybutylene terephthalate (PBT).
This tack coat is saturated polyester adhesive.
This metal level is aluminium foil.
This insulating barrier is that mylar ink is coated on metal level by serigraphy, is then solidified into insulating barrier.
The thickness of this weathering layer is 25 μ m.
The preparation method of this metal piercing formula used for solar batteries backboard, comprises the steps:
First prepare fluororesin composition, modified fluorin resin 25%, aerosil 2%, titanium dioxide 20 %, curing agent 8 % and solvent 45 % are mixed;
Then by scraper for coating method, a surface of fluororesin composition being coated to substrate layer is upper, after baking oven baking-curing, forms weathering layer;
Then on another surface of substrate layer, be coated with tack coat, then hot pressing laminating metal level on tack coat;
Finally after metal level printed wiring, serigraphy insulating barrier in the above.
Embodiment 3
A kind of metal piercing formula used for solar batteries backboard, include successively insulating barrier, metal level, tack coat, substrate layer and weathering layer, described weathering layer is coated on substrate layer by coating apparatus, this weathering layer is fluororesin composition, and this fluororesin composition includes by quality 100%:
Modified fluorin resin 35%;
Aerosil 3%;
Titanium dioxide 25%;
Curing agent 5 %;
Butyl ester 32%.
This modified fluorin resin is for using aziridine base proplast.
This curing agent is hexamethylene diisocyanate.
This substrate layer is PEN.
This tack coat is polyurethane adhesive.
This metal level is Copper Foil.
This insulating barrier is that epoxy resin ink, mylar ink or acrylic resin ink are coated on metal level by serigraphy, is then solidified into insulating barrier.
The thickness of this weathering layer is 22 μ m.
The preparation method of this metal piercing formula used for solar batteries backboard, first prepares fluororesin composition, and modified fluorin resin 35%, aerosil 3%, titanium dioxide 25 %, curing agent 5 % and solvent 32 % are mixed;
Then by scraper for coating method, a surface of fluororesin composition being coated to substrate layer is upper, after baking oven baking-curing, forms weathering layer;
Then on another surface of substrate layer, be coated with tack coat, then hot pressing laminating metal level on tack coat;
Finally after metal level printed wiring, serigraphy insulating barrier in the above.
Embodiment 4
A kind of metal piercing formula used for solar batteries backboard, include successively insulating barrier, metal level, tack coat, substrate layer and weathering layer, described weathering layer is coated on substrate layer by coating apparatus, this weathering layer is fluororesin composition, and this fluororesin composition includes by quality 100%:
Modified fluorin resin 45%;
Aerosil 3%;
Titanium dioxide 10 %;
Curing agent 2%;
This modified fluorin resin is for carrying out the copolymer of the tetrafluoroethene of modification with carboxylic acid group and sulfonic group two groups.
This curing agent is IPDI.
This substrate layer is PETG.
This tack coat is acrylic resin adhesive.
This metal level is Copper Foil.
This insulating barrier is that epoxy resin ink is coated on metal level by serigraphy, is then solidified into insulating barrier.
The thickness of this weathering layer is 25 μ m.
The preparation method of this metal piercing formula used for solar batteries backboard, includes following steps:
First prepare fluororesin composition, modified fluorin resin 45%, aerosil 3%, titanium dioxide 10 %, curing agent 2% and solvent 30 % are mixed;
Then by scraper for coating method, a surface of fluororesin composition being coated to substrate layer is upper, after baking oven baking-curing, forms weathering layer;
Then on another surface of substrate layer, be coated with tack coat, then hot pressing laminating metal level on tack coat;
Finally after metal level printed wiring, serigraphy insulating barrier in the above.
Embodiment 5
A kind of metal piercing formula used for solar batteries backboard, include successively insulating barrier, metal level, tack coat, substrate layer and weathering layer, described weathering layer is coated on substrate layer by coating apparatus, this weathering layer is fluororesin composition, and this fluororesin composition includes by quality 100%:
Aerosil 3%;
Titanium dioxide 15%;
Curing agent 10%;
Butyl ester 32 %.
This modified fluorin resin is the homopolymers with aziridine base vinylidene.
This curing agent is hydrogenated diphenyl methane diisocyanate.
This substrate layer is PETG.
This tack coat is polyurethane adhesive.
This metal level is Copper Foil.
This insulating barrier is that mylar ink is coated on metal level by serigraphy, is then solidified into insulating barrier.
The thickness of this weathering layer is 20 μ m.
The preparation method of this metal piercing formula used for solar batteries backboard, includes following steps:
First prepare fluororesin composition, modified fluorin resin 40%, aerosil 3%, titanium dioxide 15 %, curing agent 10 % and solvent 32 % are mixed;
Then by scraper for coating method, a surface of fluororesin composition being coated to substrate layer is upper, after baking oven baking-curing, forms weathering layer;
Then on another surface of substrate layer, be coated with tack coat, then hot pressing laminating metal level on tack coat;
Finally after metal level printed wiring, serigraphy insulating barrier in the above.
Embodiment 6
A kind of metal piercing formula used for solar batteries backboard, include successively insulating barrier, metal level, tack coat, substrate layer and weathering layer, described weathering layer is coated on substrate layer by coating apparatus, this weathering layer is fluororesin composition, and this fluororesin composition includes by quality 100%:
Modified fluorin resin 35%;
Aerosil 1%;
Titanium dioxide 10%;
Curing agent 4%;
Solvent 50 %.
This modified fluorin resin is isocyanate base hexafluoropropene homopolymers.
This curing agent is IPDI.
This substrate layer is PETG.
This tack coat is acrylic resin adhesive.
This metal level is nickel foil.
This insulating barrier is that epoxy resin ink is coated on metal level by serigraphy, is then solidified into insulating barrier.
The thickness of this weathering layer is 23 μ m.
The preparation method of this metal piercing formula used for solar batteries backboard, comprises the steps:
First prepare fluororesin composition, modified fluorin resin 35%, aerosil 1%, titanium dioxide 10 %, curing agent 4 % and solvent 50 % are mixed;
Then by scraper for coating method, a surface of fluororesin composition being coated to substrate layer is upper, after baking oven baking-curing, forms weathering layer;
Then on another surface of substrate layer, be coated with tack coat, then hot pressing laminating metal level on tack coat;
Finally after metal level printed wiring, serigraphy insulating barrier in the above.
Embodiment 7
A kind of metal piercing formula used for solar batteries backboard, include successively insulating barrier, metal level, tack coat, substrate layer and weathering layer, described weathering layer is coated on substrate layer by coating apparatus, this weathering layer is fluororesin composition, and this fluororesin composition includes by quality 100%:
Modified fluorin resin 50%;
Aerosil 2%;
Titanium dioxide 13 %;
Curing agent 5 %;
Solvent 30 %.
This modified fluorin resin is active methylene group vinylidene fluoride homopolymer.
This curing agent is polyisocyanates.
This substrate layer is polybutylene terephthalate (PBT).
This tack coat is epoxyn.
This metal level is aluminium foil.
This insulating barrier is that mylar ink is coated on metal level by serigraphy, is then solidified into insulating barrier.
The thickness of this weathering layer is 25 μ m.
A preparation method for metal piercing formula used for solar batteries backboard, first prepares fluororesin composition, and modified fluorin resin 50%, aerosil 2%, titanium dioxide 13 %, curing agent 5 % and solvent 30 % are mixed;
Then by scraper for coating method, a surface of fluororesin composition being coated to substrate layer is upper, after baking oven baking-curing, forms weathering layer;
Then on another surface of substrate layer, be coated with tack coat, then hot pressing laminating metal level on tack coat;
Finally after metal level printed wiring, serigraphy insulating barrier in the above.
Comparative example
A kind of metal piercing formula used for solar batteries backboard, include successively insulating barrier, metal level, tack coat, substrate layer and weathering layer, described weathering layer is coated on substrate layer by coating apparatus, this weathering layer is fluororesin composition, and this fluororesin composition includes by quality 100%:
Fluorine resin 35%;
Aerosil 1%;
Titanium dioxide 10%;
Curing agent 4%;
Solvent 50 %.
Fluorine resin is vinylidene (PVDF) and copolymer, tetrafluoroethene and the tetrafluoroethene of vinylidene and alkyl vinyl ether (ester) and the copolymer of alkyl vinyl ether (ester).
This curing agent is hexamethylene diisocyanate.
This substrate layer is PETG.
This tack coat is acrylic resin adhesive.
This metal level is nickel foil.
This insulating barrier is that epoxy resin ink is coated on metal level by serigraphy, is then solidified into insulating barrier.
The thickness of this weathering layer is 23 μ m.
The preparation method of this metal piercing formula used for solar batteries backboard, comprises the steps:
First prepare fluororesin composition, modified fluorin resin 35%, aerosil 1%, titanium dioxide 10 %, curing agent 4 % and solvent 50 % are mixed;
Then by scraper for coating method, a surface of fluororesin composition being coated to substrate layer is upper, after baking oven baking-curing, forms weathering layer;
Then on another surface of substrate layer, be coated with tack coat, then hot pressing laminating metal level on tack coat;
Finally after metal level printed wiring, serigraphy insulating barrier in the above.
The test result of above characteristic is as follows:
Above-mentioned performance test is adopted with the following method:
(1) adopt GB1037-1988 method to carry out moisture-vapor transmission test, be shown in Table 2;
(2) adopt the open method of solar cell authentication/solar photovoltaic cell panel IEC61215, embodiment and comparative example are tested, test condition is: 85 ℃ of temperature, and relative humidity 85%RH, more than time 1000hrs, glue face has delamination, foaming defective; Otherwise, qualified;
(3) adopt IEC61730-2/IEC60664-1 and ASTM D149-97a method to carry out respectively shelf depreciation and electrical breakdown test to embodiment and comparative example;
(4) according to IEC61215-2005, GB/T16422.3-1997, embodiment and comparative example are carried out to resistance to ultraviolet test, glue face has xanthochromia defective; Without xanthochromia, qualified;
(5) according to the cross cut test > > of standard GB/T/T 9286-1998 < < paint and varnish paint film, measure:
In sum, by apply one deck modified fluorin resin weathering layer on backboard, make the metal piercing formula used for solar batteries backboard making there is lower moisture-vapor transmission and higher anti-electrical breakdown performance; Simultaneously, this backboard has stronger weatherability, uvioresistant and heat resistance performance, wherein, by using modified fluorin resin weathering layer, resulting weathering layer has good tack to substrate layer, and this tack is used non-modified fluoride-containing resin weathering layer not compare.Owing to adopting modified fluorin resin weathering layer and substrate layer to there is stronger adhesive force; the middle adhesive that does not need to add other; make this weathering layer thinner identical protection effect that just can reach that becomes; thereby reduce associated materials and simplified production technology, having reduced product cost, improved the competitiveness of product in market.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every foundation technical spirit of the present utility model, to any trickle modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solutions of the utility model.
Claims (7)
1. a metal piercing formula used for solar batteries backboard, include a substrate layer, it is characterized in that: described substrate layer is coated with a weathering layer on one surface, another surface-coated of this substrate layer has a tack coat, on this tack coat, hot pressing is fitted with a metal level, on this metal level, be printed with circuit diagram, on this metal level according to institute's print circuit pattern serigraphy one insulating barrier.
2. a kind of metal piercing formula used for solar batteries backboard according to claim 1, is characterized in that: described weathering layer is modified fluorin resin composition layer.
3. a kind of metal piercing formula used for solar batteries backboard according to claim 1, is characterized in that: described substrate layer is a kind of in PETG sheet material or polybutylene terephthalate (PBT) sheet material or PEN sheet material.
4. a kind of metal piercing formula used for solar batteries backboard according to claim 1, is characterized in that: described tack coat is a kind of in epoxyn layer, saturated polyester adhesive layer, polyurethane adhesive layer, acrylic resin adhesive layer.
5. a kind of metal piercing formula used for solar batteries backboard according to claim 1, is characterized in that: described metal level is a kind of in Copper Foil or aluminium foil or nickel foil.
6. a kind of metal piercing formula used for solar batteries backboard according to claim 1, is characterized in that: described insulating barrier is that epoxy resin ink or mylar ink or acrylic resin ink are coated on the insulating barrier being solidified on metal level by serigraphy.
7. a kind of metal piercing formula used for solar batteries backboard according to claim 1, is characterized in that: the thickness of described weathering layer is 20 μ m ~ 25 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320580947.5U CN203567286U (en) | 2013-09-18 | 2013-09-18 | Metal perforated rear panel for solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320580947.5U CN203567286U (en) | 2013-09-18 | 2013-09-18 | Metal perforated rear panel for solar cell |
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| Publication Number | Publication Date |
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| CN203567286U true CN203567286U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320580947.5U Expired - Fee Related CN203567286U (en) | 2013-09-18 | 2013-09-18 | Metal perforated rear panel for solar cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332517A (en) * | 2014-11-17 | 2015-02-04 | 苏州尚善新材料科技有限公司 | Back contact type solar cell electric conduction backboard |
| CN110108397A (en) * | 2019-03-27 | 2019-08-09 | 重庆城市管理职业学院 | It is a kind of can anti-high voltage diaphragm pressure sensor and preparation method thereof |
-
2013
- 2013-09-18 CN CN201320580947.5U patent/CN203567286U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332517A (en) * | 2014-11-17 | 2015-02-04 | 苏州尚善新材料科技有限公司 | Back contact type solar cell electric conduction backboard |
| CN110108397A (en) * | 2019-03-27 | 2019-08-09 | 重庆城市管理职业学院 | It is a kind of can anti-high voltage diaphragm pressure sensor and preparation method thereof |
| CN110108397B (en) * | 2019-03-27 | 2021-05-11 | 重庆城市管理职业学院 | High-voltage-resistant film pressure sensor and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: WUXI QUNYUE ELECTRONICS TECHNOLOGY CO., LTD. ANHUI XINCHEN NEW OPTICAL MATERIAL CO., LTD. Effective date: 20141118 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141118 Address after: Changping Village town of Kau 523000 Guangdong city of Dongguan province by large Bay Industrial Zone lirenmeng Dong F Industrial Park, Dongguan city group Yue electronic Mstar Technology Ltd Patentee after: Dongguan Qunyue Ele-materials & Technology Co.,Ltd. Address before: Changping Village town of Kau 523000 Guangdong city of Dongguan province by large Bay Industrial Zone lirenmeng Dong F Industrial Park, Dongguan city group Yue electronic Mstar Technology Ltd Patentee before: Dongguan Qunyue Ele-materials & Technology Co.,Ltd. Patentee before: Wuxi Qunyue Electronics Technology Co., Ltd. Patentee before: Anhui Xinchen New Optical Material Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20150918 |
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| EXPY | Termination of patent right or utility model |