CN102054878A - High barrier ultraviolet ray aging resistant solar cell back film and processing technique thereof - Google Patents
High barrier ultraviolet ray aging resistant solar cell back film and processing technique thereof Download PDFInfo
- Publication number
- CN102054878A CN102054878A CN200910180618XA CN200910180618A CN102054878A CN 102054878 A CN102054878 A CN 102054878A CN 200910180618X A CN200910180618X A CN 200910180618XA CN 200910180618 A CN200910180618 A CN 200910180618A CN 102054878 A CN102054878 A CN 102054878A
- Authority
- CN
- China
- Prior art keywords
- solar cell
- type solar
- aging resistance
- resistance type
- 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.)
- Granted
Links
Images
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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a high barrier ultraviolet ray aging resistant solar cell back film, which comprises a high-transparency thin film basic layer, an aluminum film layer coated on the outside surface of the basic layer, and anti-aging and protective surface layers positioned on the inside surface of the basic layer and the outside surface of the aluminum film layer. In the invention, nano aluminum powder and resin are blended and coated on the basic layer, so that a back plate has high barrier performance, in particular high barrier performance against vapor, and has high moistureproof performance and weather resistance. The invention also relates to a processing technique of the back film.
Description
Technical field:
The present invention relates to a kind of encapsulating material that is used for solar module, relate in particular to a kind of high-barrier ultraviolet aging resistance type solar cell notacoria, relate to a kind of technology of processing this notacoria simultaneously.
Background technology:
Solar panel is a laminated construction normally, mainly comprises surface layer of glass, EVA sealant, solar cell piece, EVA sealant and solar cell notacoria, and wherein solar cell piece is by two-layer EVA sealant sealed envelope.The main effect of solar cell notacoria is the overall mechanical strength that improves solar panel, can prevent that in addition water vapor permeable from sealant, influencing the useful life of battery sheet.In order to improve the overall performance of notacoria, occurred in the prior art carrying out improved plan at notacoria in a large number.For example, Japanese patent application publication No. is the patent of JP2008085294 (A), open day is on April 10th, 2008, a kind of solar battery back film and preparation method thereof is disclosed, this notacoria comprises the resin molding on top layer, the resin molding at one deck Obstruct membrane and one deck back side, the main component of surface tree adipose membrane is a polyethylene.Between surface tree adipose membrane and Obstruct membrane, also has one deck dielectric film.Aluminium foil layer or organic oxidation layer are as barrier layer, and its back side resin molding main component is PEN and PET.The production cost of such scheme is low, function admirable, and its peel strength height, block-water performance is good, good weatherability.But compound need the bonding in the such scheme between aluminium foil and other retes by glue, but adhesion strength is not ideal enough, and glue is aging at first in long-term use, causes the layering of notacoria itself.
Summary of the invention:
Technical problem to be solved by this invention is to overcome the deficiency of above-mentioned prior art, and a kind of have high water proofing property, uviolresistance, high-adhesion solar cell notacoria are provided.
Another technical problem to be solved by this invention is to overcome the deficiency of above-mentioned prior art, provide a kind of can process have high barrier, the processing technology of solar cell notacoria that overall performance is good.
Contain aluminium solar cell notacoria according to a kind of high-barrier type provided by the invention; comprise high light transmission film basic unit; be coated in the aluminum membranous layer of the outer surface of described basic unit, and be positioned at ageing-resistant and top layer defencive function of having of described base layer interior surface and described aluminum membranous layer outer surface.
Also have following attached technical characterictic according to a kind of high-barrier ultraviolet aging resistance type solar cell notacoria provided by the invention:
Described aluminum membranous layer is the rete that nanoscale aluminium powder and mixed with resin evenly apply formation.
The aluminium content of described aluminum membranous layer is 10～90% by weight percentage.
The aluminium content of described aluminum membranous layer is 40～80% by weight percentage.
Resin content in the described aluminum membranous layer is 10～90% by weight percentage.
Resin content in the described aluminum membranous layer is 20～60% by weight percentage.
The thickness of described base layer exterior surface aluminum membranous layer is 1nm～30nm.
The thickness of described base layer exterior surface aluminum membranous layer is 1nm～15nm.
The fluorosilicone that surface, described inboard top layer has through irradiation or plasma grafting modification changes into rete.
It is that make through irradiation or plasma-activated interpolation modifier on surface, described inboard top layer that described fluorosilicone changes into rete.
Described modifier is selected from one or more mixtures of silane coupler, fluorosilicone or polysiloxanes.
Described top layer is tetrafluoro base resin or the acrylate copolymer coating with ultraviolet radiation absorption function.
Processing technology according to a kind of high-barrier ultraviolet aging resistance type solar cell notacoria provided by the invention mainly may further comprise the steps:
(1) with the nanoscale aluminium powder with have polymolecularity and become coating with low-molecular-weight mixed with resin, and stir;
(2) by roller coat, showering, spraying or typography the coating uniform deposition is formed aluminum membranous layer in base layer exterior surface;
(3) UV absorption resin or the fluororesin at the high printing opacity of basic unit's coating on both sides with aluminum membranous layer forms the protection top layer.
Can also adopt following steps:
(4) high-energy irradiation or plasma treatment are carried out in surface, inboard top layer, activate the surface, top layer;
(5) top layer spraying or roller coat or showering or the dipping modifier to activating through 20～70 degrees centigrade of heating, makes the surface, top layer form fluorosilicone and changes into rete.
Described modifier is selected from one or more mixtures of silane coupler, fluorosilicone or polysiloxanes.
Compared with prior art has following advantage according to a kind of high-barrier ultraviolet aging resistance type solar cell notacoria provided by the invention: at first, the present invention adopts the nanoscale aluminium powder to become coating with mixed with resin, be coated in then and form aluminum membranous layer in the basic unit, not only have good block-water performance, have excellent adhesive force simultaneously; Secondly, the fluorosilicone that is formed with on top layer changes into rete, makes it have higher caking property, all has good compatibility with different EVA and silica gel.
Processing technology according to a kind of high-barrier ultraviolet aging resistance type solar cell notacoria provided by the invention has following advantage: have higher overall performance by the produced battery back-sheet of processing technology of the present invention, the barrier excellence, rete is closely knit, and this processing technology can realize serialization production, has improved production efficiency.
Description of drawings:
Fig. 1 is the structural representation of a kind of embodiment of the present invention.
Embodiment:
As shown in Figure 1, according to a kind of high-barrier ultraviolet aging resistance type solar cell notacoria provided by the invention, comprise high light transmission film basic unit 1 and be coated in aluminum membranous layer 3 in the basic unit 1.Aluminum membranous layer 3 of the present invention evenly applies the rete of formation for nanoscale aluminium powder and mixed with resin.The content of nano aluminum is 10～90%, preferred 40～80% by weight.Concrete numerical value can select 10%, 20%, 40%, 50%, 60%, 70%, 80%, 90% for use.Be uniformly coated in the basic unit 1 by the resin that will be mixed with nano aluminum, make the present invention have very outstanding barrier, whole humidity resistance and weather resistance.On the complex of the basic unit 1 that is coated with aluminum membranous layer 3, have ageing-resistant and top layer 2 defencive function at coating on both sides one deck again, make top layer 2 be positioned at the inner surface and aluminum membranous layer 3 outer surfaces of described basic unit 1.
Described top layer 2 is top layers that one deck has protective effect, and described top layer is tetrafluoro base resin or the acrylate copolymer coating with ultraviolet radiation absorption function.Tetrafluoro base resin is the fluorine rete, and this film can be selected the FFC coating of JOLYWOOD for use, also can be polytetrafluoroethylene (PTFE) homopolymers rete, and the thickness of this rete is 10 microns～200 microns, preferred 20 microns～100 microns.Concrete numerical value can be selected 10 microns, 20 microns, 30 microns, 40 microns, 50 microns, 60 microns, 70 microns, 80 microns, 100 microns, 120 microns, 150 microns, 180 microns, 200 microns for use.Protective film also can be the protective layer with absorption action of ultraviolet radiation of the high printing opacity of high rigidity simultaneously; promptly adopt the acrylate copolymer coating; as be added with the acrylic acid polymer resin of UV stabilizer and absorbent; described UV stabilizer is the hindered amines polymer, and described ultraviolet absorber is nanoscale SiO
2, TiO
xOne or more mixture, the thickness of this rete is 1 micron～10 microns, preferred 3 microns～5 microns.Concrete numerical value can be selected 1 micron, 3 microns, 4 microns, 5 microns, 6 microns, 8 microns, 10 microns for use.Select above-mentioned numerical value for use, can fully satisfy the defencive function and the ageing-resistant performance on top layer.
In the foregoing description that the present invention provides, the thickness of described basic unit 1 is 0.05mm～0.35mm, wherein, is preferably 0.15mm～0.2mm.Concrete numerical value is 0.05mm, 0.10mm, 0.15mm, 0.20mm, 0.25mm.Select the basic unit 1 of above-mentioned thickness can make backboard have higher intensity, simultaneously, also be beneficial to the raising of processing and overall performance.
The thickness of the described aluminum membranous layer 3 among the present invention is at 1nm～30nm, preferred 1nm～15nm.Specifically can select 1nm, 5nm, 10nm, 12nm, 15nm, 18nm, 21nm, 28nm for use.Select the aluminum membranous layer 3 of above-mentioned thickness to have effect preferably, can satisfy demand of the present invention, have high cost performance.
Resin in the aluminum membranous layer 3 of the present invention is to have high dispersion and low-molecular-weight resin, has high adhesion force simultaneously, and as Hydroxylated acrylic resin, its content is by weight percentage: 10～90%, preferred 20～60%.Concrete numerical value can select 10%, 20%, 40%, 50%, 60%, 70%, 90% for use.The selection coadaptation mutually of this resin choice and aluminium powder.The aluminum membranous layer 3 that adopts resin and aluminium powder to mix not only has higher adhesive force, can closely be combined with each other with basic unit 1.And have a very outstanding barrier, whole humidity resistance and weather resistance.
In order to improve the adhesion strength of adhesives such as notacoria and EVA, silica gel, the fluorosilicone that the surface on inboard top layer 2 of the present invention forms through irradiation or plasma grafting modification changes into rete 4.It is that make through irradiation or plasma-activated interpolation modifier on surface, described inboard top layer that described fluorosilicone changes into rete, and described modifier is selected from one or more mixtures of silane coupler, fluorosilicone or polysiloxanes.
In the foregoing description that the present invention provides, the thickness that described fluorosilicone changes into rete is 0.01 micron to 5 microns, preferred scheme is between 0.1 micron to 2 microns, and concrete numerical value can be elected 0.01 micron, 0.05 micron, 0.1 micron, 0.2 micron, 0.5 micron, 0.8 micron, 1 micron, 1.5 microns, 2 microns as.
The processing technology of a kind of high-barrier ultraviolet aging resistance type solar cell notacoria provided by the invention mainly may further comprise the steps:
(1) with the nanoscale aluminium powder with have polymolecularity and become coating with low-molecular-weight mixed with resin, and stir;
(2) by roller coat, showering, spraying or typography the coating uniform deposition is formed aluminum membranous layer in base layer exterior surface, thickness is 10nm;
(3) UV absorption resin or the fluororesin at the high printing opacity of basic unit's coating on both sides with aluminum membranous layer forms protective layer.
Further step can also include:
(4) high-energy irradiation is carried out on surface, inboard top layer and handle, activate the surface, top layer; This step can also adopt plasma treatment.
(5) basic unit's spraying or roller coat or showering or the dipping modifier to activating through 20～70 degrees centigrade of heating, makes the surface, top layer form fluorosilicone and changes into rete.
Described modifier is selected from one or more mixtures of silane coupler, fluorosilicone or polysiloxanes.
All material of the present invention all is commercially available prod, aluminum membranous layer of the present invention adopts the aluminum membranous layer that makes of coating deposition to be compounded in the basic unit, not only improved the block-water performance of notacoria greatly, guaranteed in long-term use can be because of the adhesive of aluminum membranous layer and basic unit agingly and cause the notacoria layering simultaneously, guaranteed the useful life of assembly more than 25 years.
Product of the present invention is compared with external like product, and every data are as follows:
By above contrast as can be seen, the present invention obviously is better than external like product on every index.
Claims (15)
1. high-barrier ultraviolet aging resistance type solar cell notacoria; it is characterized in that: comprise high light transmission film basic unit; be coated in the aluminum membranous layer of the outer surface of described basic unit, and be positioned at ageing-resistant and top layer defencive function of having of described base layer interior surface and described aluminum membranous layer outer surface.
2. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 1, it is characterized in that: described aluminum membranous layer is the rete that nanoscale aluminium powder and mixed with resin evenly apply formation.
3. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 2, it is characterized in that: the aluminium content of described aluminum membranous layer is 10～90% by weight percentage.
4. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 3, it is characterized in that: the aluminium content of described aluminum membranous layer is 40～80% by weight percentage.
5. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 2, it is characterized in that: the resin content in the described aluminum membranous layer is 10～90% by weight percentage.
6. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 5, it is characterized in that: the resin content in the described aluminum membranous layer is 20～60% by weight percentage.
7. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 1, it is characterized in that: the thickness of described base layer exterior surface aluminum membranous layer is 1nm～30nm.
8. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 7, it is characterized in that: the thickness of described base layer exterior surface aluminum membranous layer is 1nm～15nm.
9. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 1, it is characterized in that: the fluorosilicone that surface, described inboard top layer has through irradiation or plasma grafting modification changes into rete.
10. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 9 is characterized in that: it is that make through irradiation or plasma-activated interpolation modifier on surface, described inboard top layer that described fluorosilicone changes into rete.
11. a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 10, it is characterized in that: described modifier is selected from one or more mixtures of silane coupler, fluorosilicone or polysiloxanes.
12. as claim 1 or 9 described a kind of high-barrier ultraviolet aging resistance type solar cell notacorias, it is characterized in that: described top layer is tetrafluoro base resin or the acrylate copolymer coating with ultraviolet radiation absorption function.
13. the processing technology of a high-barrier ultraviolet aging resistance type solar cell notacoria is characterized in that: mainly may further comprise the steps:
(1) with the nanoscale aluminium powder with have polymolecularity and become coating with low-molecular-weight mixed with resin, and stir;
(2) by roller coat, showering, spraying or typography the coating uniform deposition is formed aluminum membranous layer in base layer exterior surface;
(3) UV absorption resin or the fluororesin at the high printing opacity of basic unit's coating on both sides with aluminum membranous layer forms the protection top layer.
14. the processing technology of a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 13 is characterized in that: also comprise the steps:
(4) high-energy irradiation or plasma treatment are carried out in surface, inboard top layer, activate the surface, top layer;
(5) top layer spraying or roller coat or showering or the dipping modifier to activating through 20～70 degrees centigrade of heating, makes the surface, top layer form fluorosilicone and changes into rete.
15. the processing technology of a kind of high-barrier ultraviolet aging resistance type solar cell notacoria as claimed in claim 14, it is characterized in that: described modifier is selected from one or more mixtures of silane coupler, fluorosilicone or polysiloxanes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180618XA CN102054878B (en) | 2009-10-27 | 2009-10-27 | High barrier ultraviolet ray aging resistant solar cell back film and processing technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180618XA CN102054878B (en) | 2009-10-27 | 2009-10-27 | High barrier ultraviolet ray aging resistant solar cell back film and processing technique thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102054878A true CN102054878A (en) | 2011-05-11 |
| CN102054878B CN102054878B (en) | 2013-02-06 |
Family
ID=43959031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910180618XA Active CN102054878B (en) | 2009-10-27 | 2009-10-27 | High barrier ultraviolet ray aging resistant solar cell back film and processing technique thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102054878B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103897316A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Fluorine modified epoxy resin-base film for flexible or thin-film solar cells and preparation method thereof |
| CN103897552A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Epoxy resin-base paint for flexible or thin-paint solar cells and preparation method thereof |
| CN103897352A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Polyester film for flexible or thin-film solar cells and preparation method thereof |
| CN103897541A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Fluorine modified epoxy resin-base paint for thin-film solar cells and preparation method thereof |
| CN103897340A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Epoxy resin-base film for flexible or thin-film solar cells and preparation method thereof |
| CN103897250A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | EVA (ethylene-vinyl acetate) film for flexible or thin-film solar cells and preparation method thereof |
| CN104465836A (en) * | 2014-11-21 | 2015-03-25 | 苏州中来光伏新材股份有限公司 | Solar cell insulation back material, solar cell module and production process of solar cell |
| CN105103304A (en) * | 2013-03-29 | 2015-11-25 | 共同印刷株式会社 | Back sheet for solar battery having moisture absorption layer and solar battery using same |
| CN114395342A (en) * | 2022-01-27 | 2022-04-26 | 浙江合特光电有限公司 | Water vapor barrier fireproof flexible back plate and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359695A (en) * | 2008-09-02 | 2009-02-04 | 中国乐凯胶片集团公司 | Back plate of solar cell |
| CN201590418U (en) * | 2009-10-27 | 2010-09-22 | 苏州中来太阳能材料技术有限公司 | High barrier UV aging resistant solar cell back film |
-
2009
- 2009-10-27 CN CN200910180618XA patent/CN102054878B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103897316B (en) * | 2012-12-31 | 2016-08-17 | 中原工学院 | Flexibility or thin-film solar cells fluorine richness epoxy resin basement membrane and preparation method thereof |
| CN103897552A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Epoxy resin-base paint for flexible or thin-paint solar cells and preparation method thereof |
| CN103897352A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Polyester film for flexible or thin-film solar cells and preparation method thereof |
| CN103897541A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Fluorine modified epoxy resin-base paint for thin-film solar cells and preparation method thereof |
| CN103897340A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Epoxy resin-base film for flexible or thin-film solar cells and preparation method thereof |
| CN103897250A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | EVA (ethylene-vinyl acetate) film for flexible or thin-film solar cells and preparation method thereof |
| CN103897541B (en) * | 2012-12-31 | 2016-08-03 | 中原工学院 | Thin-film solar cells fluorine richness epoxy resin-matrix coating and preparation method thereof |
| CN103897316A (en) * | 2012-12-31 | 2014-07-02 | 中原工学院 | Fluorine modified epoxy resin-base film for flexible or thin-film solar cells and preparation method thereof |
| CN103897552B (en) * | 2012-12-31 | 2017-02-01 | 中原工学院 | Epoxy resin-base paint for flexible or thin-paint solar cells and preparation method thereof |
| CN105103304A (en) * | 2013-03-29 | 2015-11-25 | 共同印刷株式会社 | Back sheet for solar battery having moisture absorption layer and solar battery using same |
| CN105103304B (en) * | 2013-03-29 | 2017-08-08 | 共同印刷株式会社 | Backboard used for solar batteries with moisture absorption layer and use its solar cell |
| CN104465836A (en) * | 2014-11-21 | 2015-03-25 | 苏州中来光伏新材股份有限公司 | Solar cell insulation back material, solar cell module and production process of solar cell |
| CN114395342A (en) * | 2022-01-27 | 2022-04-26 | 浙江合特光电有限公司 | Water vapor barrier fireproof flexible back plate and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102054878B (en) | 2013-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102054878B (en) | High barrier ultraviolet ray aging resistant solar cell back film and processing technique thereof | |
| JP5414426B2 (en) | Composite film | |
| CN101811384B (en) | Medium surface energy teflon backing plate and processing technique thereof | |
| US7678297B2 (en) | Transparent conductive material and transparent conductor | |
| CN102632668B (en) | Solar battery encapsulating film and preparation method thereof | |
| CN109456710B (en) | Packaging back plate integrated material and preparation method thereof | |
| JP2011142179A (en) | Solar cell module | |
| WO2013099478A1 (en) | Composite material | |
| CN106684186A (en) | Packaging glue film without flanging and with good bonding | |
| CN202282356U (en) | High-barrier solar battery back film | |
| CN201590418U (en) | High barrier UV aging resistant solar cell back film | |
| CN201540896U (en) | High light-transmission solar panel back membrane | |
| CN201590419U (en) | High barrier reflective solar cell back film | |
| CN202275849U (en) | Flexible transparent high-obstruction packaging film | |
| CN103187468B (en) | A kind of high-cooling property solar cell notacoria and processing technology | |
| CN201979775U (en) | Transparent coating back plate | |
| CN112490314A (en) | Fluorocarbon coating liquid and transparent solar backboard | |
| CN102446996A (en) | Flexible transparent high-barrier packaging membrane | |
| CN102555377B (en) | EVA (Ethylene vinyl acetate) adhesive integrated solar cell back film and processing technology | |
| JP2005197553A (en) | Back sheet for solar battery | |
| CN208835076U (en) | A kind of solar energy photovoltaic component | |
| CN203481257U (en) | High-reflection solar cell back film | |
| CN205666242U (en) | Transparent type solar backplane | |
| CN111430500A (en) | Preparation process of solar composite packaging plate | |
| JP2010021167A (en) | Solar cell back sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |