CN204632774U - A kind of flexible package composite membrane - Google Patents
A kind of flexible package composite membrane Download PDFInfo
- Publication number
- CN204632774U CN204632774U CN201520173955.7U CN201520173955U CN204632774U CN 204632774 U CN204632774 U CN 204632774U CN 201520173955 U CN201520173955 U CN 201520173955U CN 204632774 U CN204632774 U CN 204632774U
- Authority
- CN
- China
- Prior art keywords
- flexible
- composite membrane
- flexible package
- package composite
- mucigel
- 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.)
- Active
Links
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
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to a kind of flexible package composite membrane, and described flexible package composite membrane comprises the flexible weathering layer, mucigel, the flexible base layer that are combined with each other successively.The utility model, by adopting Graphene modified epoxy as mucigel, under the prerequisite of the performance such as high light transmittance, high water resistance, self-cleaning property ensureing product, effectively simplifies product structure, significantly reduces production cost.
Description
Technical field
This use is novel belongs to encapsulating material field, is specifically related to a kind of flexible package composite membrane.
Background technology
Solar energy is a kind of inexhaustible, nexhaustible energy.Solar energy receives the concern of many countries as desirable regenerative resource.Flexible thin-film solar cell is as new varieties of solar cell, advanced technology, function admirable, of many uses, with low cost, more and more be subject to people's attention, it can be applied to solar energy knapsack, solar energy opens paulin, solar electric torch, solar telephone, solar sailor be even on solar powered aircraft.An important applied field of flexible solar battery is BIPV, and it can be integrated on window or roof, exterior wall or interior wall.Because flexible thin-film solar cell assembly will meet the useful life of outdoor 25 years, therefore certain weatherability, insulating properties, anti-flammability, reelability are required to encapsulating material wherein, simultaneously because some thin-film solar cells is more responsive to moisture, such as CuIn
xga
(1-x)se
2(CIGS) thin-film solar cells, flexible encapsulant material also will have high block-water performance, and water vapor transmittance (WVTR) is less than 5 × 10
-4(g/m
2day).
What the encapsulating material of current flexible thin-film solar cell adopted is a kind of composite membrane, and it comprises ethylene tetrafluoroethylene (ETFE) film, ultraviolet (UV) Obstruct membrane, the film that blocks water, PETG (PET) film etc.; As MIT the model of the producing product that is FDK4A and Minnesota Mining and Manufacturing Company " Ultra barrier films " (" super barrier film ") of producing, the preparation of film of wherein blocking water generally adopts vacuum technology, as sputtered the rete of inorganic oxide aluminium oxide, silica etc. to realize water stop function, steam is stoped to enter solar components inside.Above-mentioned composite membrane is composited by stratified film, and its complicated process of preparation, cost is higher.Above-mentioned composite membrane water vapor transmittance (WVTR) is 3 × 10 simultaneously
-3~ 5 × 10
-4g/(m
2day), block-water performance is general, complicated process of preparation, product comparatively hard (pliability is poor).
A kind of flexible compound film for solar cell package is disclosed in the patent documentation of publication number CN104143609A; its technical scheme adopted is the first inorganic oxide film on flexible substrate; then on the first inorganic oxide film, prepare the second inorganic oxide film, finally on the second inorganic oxide film, prepare diaphragm.In this technique, the first inorganic oxide film uses sputtering or evaporation technology preparation, and the second inorganic oxide film adopts the preparation of CVD technique.Therefore the composite membrane process costs recorded in this patent documentation is high, complex process.
Publication number is disclose a kind of flexible compound film for solar cell package in the patent documentation of CN103764730A, its technical scheme adopted is for making in vapor water barriers film containing non-swellable clays mineral and swellable clays mineral as layer silicate mineral, the content of this layer silicate mineral is more than 30 % by weight relative to the total weight of vapor water barriers film and less than 90 % by weight, and this vapor water barriers film 40 DEG C, moisture-vapor transmission under the environment of 90%RH is 0.5g/(m
2day) below.Can find out that the composite membrane water vapor transmittance described in this patent documentation is too high, and not meet the package requirements of flexible thin-film solar cell.
This area needs that a kind of block-water performance is good, weatherability is strong, and prepares encapsulating material simple, with low cost.
Utility model content
This use novel object to be to provide a kind of block-water performance is good, weatherability is strong, the feature of environmental protection is good, and prepare encapsulating material simple, with low cost.And this composite membrane not only can be applied to the encapsulation of thin-film solar cells, also can be used for the encapsulation of other electronic chips.
This uses novel object to be to provide a kind of function admirable, the simple flexible package composite membrane of structure.
For achieving the above object, this use is by the following technical solutions novel: a kind of flexible package composite membrane, comprises the flexible weathering layer, mucigel and the flexible base layer that stack gradually, and described mucigel is the epoxy resin of Graphene modification.
The epoxy resin of described Graphene modification be Graphene with bisphenol A type epoxy resin with mass ratio (1 ~ 2): 100 mix and are formed.
The thickness of described mucigel is 5 ~ 200 microns, and the thickness of described weathering layer is 12 ~ 100 microns, and the thickness of described base material is 12 ~ 300 microns.
Described flexible weathering layer is ethylene-tetrafluoroethylene copolymer, ethene chlorotrifluoroethylene, polyethylene terephthalate, polyimides, Kynoar, polyvinyl fluoride, the ter-polymers be made up of tetrafluoroethene, hexafluoropropylene and vinylidene, one of the polymer that is made up of tetrafluoroethene, hexafluoropropylene and vinylidene fluoride.
Described flexible base layer is one of PETG, polyimides, PEN, polyethylene.
The manufacture method of the novel described flexible package composite membrane of this use is as follows:
A. prepare Graphene modified epoxy: adopting ultrasonic strippings of native graphite to prepare or obtain diameter by redox graphene is 0.5 ~ 3 micron, add in epoxy resin by Graphene, the mass ratio of Graphene modified epoxy is (1 ~ 2): 100;
B. be added into by curing agent in above-mentioned Graphene modified resin, the mass ratio of curing agent and Graphene modified epoxy is 1:(1 ~ 2), and be uniformly mixed the Graphene modified epoxy obtaining solidifying under vacuum;
C. in flexible base layer, apply the Graphene modified epoxy of above-mentioned solidification, the THICKNESS CONTROL of Graphene modified epoxy layer is at 5 ~ 200 microns;
D. laminated flexible weathering layer on Graphene modified epoxy layer, under the condition of constant temperature and humidity, is heated to 90 DEG C and keeps 10 hours to make the solidification completely of Graphene modified epoxy.
Described in above-mentioned manufacture method, epoxy resin selects bisphenol A type epoxy resin, and described curing agent is selected from least one in phthalic anhydride, tetrabydrophthalic anhydride, hexahydrophthalic anhydride.
The novel middle use Graphene of this use mixes with epoxy resin, by the dispersion of graphene uniform in the epoxy, Graphene effectively can be filled in the space of epoxy resin, thus significantly improve sealing and the barrier of epoxy resin.Adopt Mocon company of U.S. AQUATRAN Model 2 to measure (testing standard: ASTM F-1249) with the flexible package composite membrane manufactured by this use novel manufacturing method, measure its water vapor transmittance (WVTR) and be less than 5 × 10
-4g(g/m
2day).
Accompanying drawing explanation
Fig. 1 is that this uses novel structural representation.
Wherein: 1. flexible weathering layer; 2. mucigel; 3. flexible base layer.
Embodiment
Novel execution mode is used to be further elaborated below in conjunction with accompanying drawing 1 to this.
Step 1, adopting the ultrasonic stripping of native graphite to prepare or obtain diameter by redox graphene is 0.3 ~ 10 μm, and thickness is the Graphene of 0.4 ~ 20nm; The bisphenol A type epoxy resin that adds of described Graphene forms Graphene modified epoxy, and the mass ratio of Graphene and bisphenol A type epoxy resin is 1.5:100; Described Graphene modified epoxy adds mechanical agitation dispersion in vacuum defoamation machine, described more than the 30 minutes churned mechanically duration.
Step 2, added by phthalic anhydride in the Graphene modified epoxy after above-mentioned dispersed with stirring, the mass ratio of phthalic anhydride and Graphene modified epoxy is 1:1.5, adds in vacuum defoamation machine and continue dispersed with stirring more than 3 hours after mixing.
Step 3, chooses PETG as flexible base layer 3, applies the solidification Graphene modified epoxy after above-mentioned dispersed with stirring thereon, and the thickness of coated Graphene modified epoxy layer is 120 μm, thus forms mucigel 2.
Step 4, be depressed in the above-mentioned flexible base layer 3 being coated with solidification Graphene modified resin as flexible weathering layer 1 by ethylene-tetrafluoroethylene copolymer, with under constant temperature and humidity condition, keep temperature 90 DEG C, humidity 60% solidifies 10 hours.
Adopt Mocon company of U.S. AQUATRAN Model 2 to measure (testing standard: ASTM F-1249) with the flexible package composite membrane manufactured by this use novel manufacturing method, measure its water vapor transmittance (WVTR) and be less than 5 × 10
-4g(g/m
2day).
Above embodiment is only for being specifically described this use is novel, and it does not use novel protection range to play any restriction effect to this, and this uses novel protection range to be determined by claim.Technical scheme disclosed in novel with this use according to the known technology of this area, can derive or association goes out many flexible programs, all these flexible programs, also should think that this uses novel protection range.
Claims (3)
1. a flexible package composite membrane, it is characterized in that, this flexible package composite membrane comprises the flexible weathering layer, mucigel and the flexible base layer that stack gradually, the thickness of described mucigel is 5 ~ 200 microns, the thickness of described weathering layer is 12 ~ 100 microns, the thickness of described base material is 12 ~ 300 microns, and described mucigel is the epoxy resin of Graphene modification.
2. flexible package composite membrane according to claim 1, it is characterized in that, described flexible weathering layer is ethylene-tetrafluoroethylene copolymer, ethene chlorotrifluoroethylene, polyethylene terephthalate, polyimides, Kynoar, polyvinyl fluoride, the ter-polymers be made up of tetrafluoroethene, hexafluoropropylene and vinylidene, one of the polymer that is made up of tetrafluoroethene, hexafluoropropylene and vinylidene fluoride.
3. flexible package composite membrane according to claim 1, is characterized in that, described flexible base layer is one of PETG, polyimides, PEN, polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173955.7U CN204632774U (en) | 2015-03-26 | 2015-03-26 | A kind of flexible package composite membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173955.7U CN204632774U (en) | 2015-03-26 | 2015-03-26 | A kind of flexible package composite membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204632774U true CN204632774U (en) | 2015-09-09 |
Family
ID=54051771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520173955.7U Active CN204632774U (en) | 2015-03-26 | 2015-03-26 | A kind of flexible package composite membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204632774U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159009A (en) * | 2015-03-26 | 2016-11-23 | 汉能新材料科技有限公司 | A kind of flexible package composite membrane and manufacture method thereof |
| CN106229367A (en) * | 2016-08-24 | 2016-12-14 | 扬州市喜来太阳能科技有限公司 | Notacoria being applicable to solaode and its preparation method and application |
| CN107452812A (en) * | 2017-06-26 | 2017-12-08 | 南通华隆微电子股份有限公司 | A kind of encapsulating structure of semiconductor diode device |
| CN110890437A (en) * | 2018-08-16 | 2020-03-17 | 汉能移动能源控股集团有限公司 | Front plate manufacturing method, front plate and solar module |
| CN112335099A (en) * | 2018-10-19 | 2021-02-05 | 株式会社Lg化学 | Package for flexible secondary battery and flexible secondary battery including the same |
-
2015
- 2015-03-26 CN CN201520173955.7U patent/CN204632774U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159009A (en) * | 2015-03-26 | 2016-11-23 | 汉能新材料科技有限公司 | A kind of flexible package composite membrane and manufacture method thereof |
| CN106229367A (en) * | 2016-08-24 | 2016-12-14 | 扬州市喜来太阳能科技有限公司 | Notacoria being applicable to solaode and its preparation method and application |
| CN107452812A (en) * | 2017-06-26 | 2017-12-08 | 南通华隆微电子股份有限公司 | A kind of encapsulating structure of semiconductor diode device |
| CN107452812B (en) * | 2017-06-26 | 2021-07-23 | 南通华隆微电子股份有限公司 | Packaging structure of semiconductor diode device |
| CN110890437A (en) * | 2018-08-16 | 2020-03-17 | 汉能移动能源控股集团有限公司 | Front plate manufacturing method, front plate and solar module |
| CN112335099A (en) * | 2018-10-19 | 2021-02-05 | 株式会社Lg化学 | Package for flexible secondary battery and flexible secondary battery including the same |
| CN112335099B (en) * | 2018-10-19 | 2023-04-07 | 株式会社Lg新能源 | Package for flexible secondary battery and flexible secondary battery including the same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204632774U (en) | A kind of flexible package composite membrane | |
| CN104327433B (en) | Preparation method of polyvinylidene fluoride-based thin film | |
| CN102496642B (en) | Back sheet of solar cell and preparation method for back sheet | |
| CN105990459A (en) | Flexible package composite film and manufacturing method thereof | |
| CN102765235B (en) | Novel solar battery backboard | |
| JP5769037B2 (en) | Multilayer film and photovoltaic module including the same | |
| CN103715287A (en) | Humidity-resistant and heat-resistant solar cell panel and manufacturing method thereof | |
| CN108461565A (en) | A kind of Weatherproof solar battery back-sheet and preparation method thereof | |
| CN105633186B (en) | High heat conduction type backboard used for solar batteries and preparation method thereof | |
| CN107204384A (en) | Three layers of integral structure solar cell backboard and preparation method thereof | |
| CN101931012A (en) | Solar cell rear panel, preparation method thereof and solar cell module using rear panel | |
| CN106159009A (en) | A kind of flexible package composite membrane and manufacture method thereof | |
| CN103289636A (en) | Silicone weather-proof sealant and preparation method thereof | |
| CN102690477B (en) | Solar cell back panel material and preparation method and product thereof | |
| CN103938810B (en) | A kind of photovoltaic sun shading system and preparation method thereof | |
| CN103606581A (en) | Solar cell backboard, manufacturing method thereof and solar cell | |
| CN103144390B (en) | A kind of solar cell backboard | |
| CN114103349A (en) | Anti-aging polyolefin composite back plate film and preparation method thereof | |
| CN106129152A (en) | Photovoltaic component encapsulating POE is combined backing material | |
| CN106009024A (en) | Back film for silicon solar panel | |
| CN104877625B (en) | A kind of tackiness agent and preparation method thereof | |
| CN105949607A (en) | Solar cell back plate material | |
| CN102649309A (en) | Polyvinylidene fluoride composite membrane prepared through multilayer coextrusion tape casting method | |
| CN206116421U (en) | High performance weatherability combined material encapsulates photovoltaic module | |
| CN102555377B (en) | EVA (Ethylene vinyl acetate) adhesive integrated solar cell back film and processing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170901 Address after: 100101, No. 14, building 1, 7, 101, 0801, 3, building 8, building No. 2, West Beichen Road, Chaoyang District, Beijing Patentee after: Chinese LIAN mobile energy investment Limited Address before: 100101 Beijing, Beichen West Road, No. 8, Beichen Century Center, block B, floor 10, Patentee before: Hanergy New materials Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190203 Address after: Room 103, Building 2, Office District, Olympic Village, Chaoyang District, Beijing Patentee after: HANNENG PHOTOVOLTAIC TECHNOLOGY CO., LTD. Address before: 100101 Beijing Chaoyang District Beichen West Road No. 8 Courtyard 3 Building 1 to 14 Floor 101, 7 Floor 0801 Patentee before: Chinese LIAN mobile energy investment Limited |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190312 Address after: Room 107, Building 2, Olympic Village Street Comprehensive Office District, Chaoyang District, Beijing Patentee after: Han energy mobile Energy Holding Group Co., Ltd. Address before: Room 103, Building 2, Office District, Olympic Village, Chaoyang District, Beijing Patentee before: HANNENG PHOTOVOLTAIC TECHNOLOGY CO., LTD. |