CN102832280A - Laminated packaging film for solar batteries - Google Patents
Laminated packaging film for solar batteries Download PDFInfo
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- CN102832280A CN102832280A CN2012102481011A CN201210248101A CN102832280A CN 102832280 A CN102832280 A CN 102832280A CN 2012102481011 A CN2012102481011 A CN 2012102481011A CN 201210248101 A CN201210248101 A CN 201210248101A CN 102832280 A CN102832280 A CN 102832280A
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- solar batteries
- encapsulating film
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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 invention discloses a laminated packaging film for solar batteries. A solar battery rear panel using the packaging film and a solar battery module are used. The laminated packaging film for the solar batteries is characterized by comprising a transparent layer (1) and a functional layer (2) and has one or more of following functions: a light reflection function or/and a water-vapor blocking function or/and a radiating function. The laminated packaging film has good packaging function, enables the packaging material to have functions such as high reflectance, high barrier, high heat conduction and high insulating performance, and is capable of improving the photoelectric conversion efficiency of the solar battery.
Description
Technical field
the invention belongs to field of photovoltaic power generation, are specifically related to a kind of used for solar batteries laminated-type encapsulating film.
Background technology
It is human current problems that press for solution that
searching can substitute oil-fired new forms of energy.Solar energy is a kind of inexhaustible non-polluting energy sources, and the utilization of solar energy at present mainly is converted into electric energy through solar cell with luminous energy.With promptly becoming solar modules after the interconnected encapsulation of a plurality of solar cells; Its common structure is: cover as the surface of top protective material with solar light irradiation one side with transparent material (glass commonly used/light transmission solar battery sheet); The encapsulating material embedding gap of processing with thermoplastics (like ethylene-vinyl acetate copolymer), and use back side case chip (backboard) to protect its back side as the bottom protective material.Solar modules is mainly used out of doors, and the encapsulation material in the module need possess following function: can encapsulate and protect the thermal endurance of flexibility and resistance to impact, the solar module adstante febre of solar cell device, the high-transmission rate that solar energy is penetrated effectively reach solar cell device, durability, dimensional stability, anti-flammability, water vapor barrier property etc.What can be used as that the encapsulating material of solar module uses comprises polyolefin (TPO), ethylene-vinyl vinyl acetate co-polymer (EVA), polyvinyl butyral resin (PVB), ionomer, polyurethane, silica gel, epoxy resin etc.Performances such as the reflecting rate of cell backside material in the solar cell module (encapsulating material and back-protective material), thermal conductivity, water vapor rejection rate all can influence generating efficiency.The reflecting rate that improves backing material helps passing through reflection again by the utilization of battery sheet through the light in battery sheet and battery sheet gap, thereby improves generating efficiency; The thermal conductivity that improves backing material helps reducing the temperature of battery sheet, thereby improves generating efficiency; Improve the water vapor rejection rate of backing material, help reducing the destruction of steam, thereby and prevent that steam from getting into the insulating properties that module reduces assembly, improves the fail safe of assembly the battery sheet.Though present solar cell module has good encapsulation function with encapsulating material; But as solar cell back face encapsulating material areflexia function; Thermal conductivity and steam transmitance are all higher, are unfavorable for improving generating efficiency, and can't be painted according to instructions for use; If the employing individual layer contains the rear surface of solar cell encapsulating material of functional stuffing, in lamination process, often contain the excessive bad phenomenon of blocking sunlight of encapsulation material of functional stuffing to solar battery front side.As the defective that the rear surface of solar cell encapsulating material uses, need have multi-functional, as not have the glue that overflows used for solar batteries laminated-type encapsulating film to current encapsulating material.
Summary of the invention
the present invention seeks to: a kind of one or more functions such as encapsulating material high reflectance, high barrier, high heat conduction, high-insulativity, pigmentable of giving are provided, can effectively prevent to contain the excessive used for solar batteries laminated-type encapsulating film that blocks sunlight to battery front side of functional layer of filler again.
technical scheme of the present invention is: a kind of used for solar batteries laminated-type encapsulating film is characterized in that said used for solar batteries laminated-type encapsulating film comprises hyaline layer and functional layer.
are further, and the thickness of said used for solar batteries laminated-type encapsulating film is 150 ~ 1000um.
are further, and the thickness of said hyaline layer is 50-600um.
are further, and the thickness of said functional layer is 100-400um.
Further, it is characterized in that, the hyaline layer of described used for solar batteries laminated-type encapsulating film perhaps/and functional layer in the specific insulation of employed electric insulating quality resin greater than 10
12
Ω/cm
3
, the heat fusing point range is 40-180 ℃.Hyaline layer and functional layer comprise one or more materials in silane coupler, antioxidant, ultra-violet absorber, UV stabilizer and the crosslinking agent.
are preferred, and said electric insulating quality resin is at least a material in polyolefin, ethylene-vinyl acetate copolymer, polyvinyl butyral resin, polyacrylic resin, ionomer, polyurethane, silica gel, the epoxy resin.
are further; Contain one or more the mixture in 3% ~ 20% parts by weight of titanium oxide, ceramic fine bead, glass microballoon, zinc oxide, the pearl essence in the functional layer, make the average light reflectivity of described used for solar batteries laminated-type encapsulating film in the 280-1100nm wave-length coverage reach 75 ~ 100%.
Further, contain one or more the mixture in the mica, lamellar clay, imvite, sheet hydrotalcite of 3% ~ 10% weight portion in the functional layer, make the water vapour permeability of described used for solar batteries laminated-type encapsulating film reach 0.01 ~ 8g/ (m
2
Day).
are further; Contain one or more the mixture in the aluminium oxide, silicon dioxide, aluminium nitride, boron nitride, magnesia of 3% ~ 10% weight portion in the functional layer, making described used for solar batteries laminated-type encapsulating film get pyroconductivity is 0.2 ~ 10Wg/ (mK).
are for preventing the adhesion between the encapsulating film; And make solar cell device in packaging process easy operating with vacuumize, can carry out embossing processing on the surface of hyaline layer 1 and functional layer 2 or carry out various concavo-convex processing (circular cone, pyramid, hemispherical etc.).
are further, and described used for solar batteries laminated-type encapsulating film is arranged in the non-sensitive side of battery sheet of solar cell module.
a kind of solar cell backboard or solar module can use above-mentioned used for solar batteries laminated-type encapsulating film.
Advantage of the present invention is:
have good encapsulation function, can give functions such as encapsulating material high reflectance, high barrier, high heat conduction, high-insulativity simultaneously, improve the solar cell photoelectric conversion efficiency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is a used for solar batteries laminated-type encapsulating film structure chart of the present invention.
wherein: 1 hyaline layer; 2 functional layers.
Embodiment
used for solar batteries laminated-type encapsulating film as shown in Figure 1 comprises hyaline layer 1 and functional layer 2, and hyaline layer 1 is the photovoltaic encapsulating material, and functional layer 2 is for having the encapsulated layer of high reflection, high-barrier, high heat radiation or high insulation function.The thickness of used for solar batteries laminated-type encapsulating film is 150 ~ 1000um, and the thickness of hyaline layer is 50-600um, and the thickness of functional layer is 100-400um.The hyaline layer of used for solar batteries laminated-type encapsulating film perhaps/and functional layer in the specific insulation of employed electric insulating quality resin greater than 10
12
Ω/cm
3
, the heat fusing point range is 40-180 ℃.Hyaline layer and functional layer comprise one or more materials in silane coupler, antioxidant, ultra-violet absorber, UV stabilizer and the crosslinking agent.The electric insulating quality resin is at least a material in polyolefin, ethylene-vinyl acetate copolymer, polyvinyl butyral resin, polyacrylic resin, ionomer, polyurethane, silica gel, the epoxy resin.Contain one or more the mixture in 3% ~ 20% parts by weight of titanium oxide, ceramic fine bead, glass microballoon, zinc oxide, the pearl essence in the functional layer, make the average light reflectivity of described used for solar batteries laminated-type encapsulating film in the 280-1100nm wave-length coverage reach 75 ~ 100%.Contain one or more the mixture in the mica, lamellar clay, imvite, sheet hydrotalcite of 3% ~ 10% weight portion in the functional layer, make the water vapour permeability of described used for solar batteries laminated-type encapsulating film reach 0.01 ~ 8g/ (m
2
Day).Contain one or more the mixture in the aluminium oxide, silicon dioxide, aluminium nitride, boron nitride, magnesia of 3% ~ 10% weight portion in the functional layer, making described used for solar batteries laminated-type encapsulating film get pyroconductivity is 0.2 ~ 10Wg/ (mK).
High reflecting material among
the present invention can be an any high reflecting material commonly used in this area.In the preferred embodiment in the present invention, said high reflecting material can be that the diameter available from 3M is the ceramic fine bead of 50um.The not concrete restriction of high-barrier material of the present invention, it can be any high-barrier material commonly used in this area.In the preferred embodiment in the present invention, said high-barrier material can be available from the Wuxi spirit technical grade mica of the 20um of pearl mica factory too.The not concrete restriction of high heat radiation material of the present invention, it can be an any high heat radiation material commonly used in this area.In the preferred embodiment in the present invention, high heat radiation material can be the boron nitride AC6028 available from the 100um of U.S. Momentive.The not concrete restriction of high megohmite insulant among the present invention, it can be an any high megohmite insulant commonly used in this area.In the preferred embodiment in the present invention, high megohmite insulant can be the mica powder that suddenly shakes chemical industry Co., Ltd available from the Foshan City.Pigment among the present invention is according to using color to require to select.In the preferred embodiment that black in the present invention requires, said mineral black can be to be that the titanium of 50um is black available from the particle diameter that inorganic pigment Co., Ltd is reined in by section.The not concrete restriction of silane coupler of the present invention, it can be any silane coupler commonly used in this area.In the preferred embodiment in the present invention, silane coupler is the KH570 available from DOW CORNING.The not concrete restriction of antioxidant among the present invention, it can be any antioxidant commonly used in this area.In the preferred embodiment in the present invention, antioxidant is the Irganox1010 available from BASF.The not concrete restriction of ultraviolet absorber of the present invention, it can be any ultraviolet absorber commonly used in this area.In the preferred embodiment in the present invention, ultraviolet absorber is the C81 available from BASF.The not concrete restriction of UV stabilizer among the present invention, it can be any UV stabilizer commonly used in this area.In the preferred embodiment in the present invention, UV stabilizer is available from 770 of BASF.In the present invention, to the not concrete restriction of crosslinking agent, it can be any crosslinking agent commonly used in this area.In the preferred embodiment in the present invention, said crosslinking agent can be the DC40P-SP2 available from the Acker agate.In the present invention, to the not concrete restriction of the consumption of various additives, those of ordinary skill in the art combines its professional knowledge can know the consumption of said additive according to description of the invention again.
can adopt known method to process hyaline layer 1 respectively, and range upon range of or hot pressing is combined into and is made into integration used for solar batteries laminated-type encapsulating film with functional layer 2 backs.Also can hyaline layer 1 and functional layer 2 materials be extruded, hyaline layer 1 or functional layer 2 material extruding and hot meltings are coated on the first-class processing method preparation of another layer material.The thickness of hyaline layer of the present invention is best results when 50-200um, and the thickness of functional layer is best results when 200-400um.For preventing the adhesion between the encapsulating film, and make solar cell device in packaging process easy operating with vacuumize, can carry out embossing processing on the surface of hyaline layer 1 and functional layer 2 or carry out various concavo-convex processing (circular cone, pyramid, hemispherical etc.).
following table is that filler in the functional layer is to the influence of functional layer reflecting rate, steam transmitance and pyroconductivity, and finally to the influence of generating efficiency.
embodiment 1: hyaline layer 1 is EVA resin (available from du pont company, the trade mark 150, VA content are 33%), and thickness is 100 microns.Functional layer 2 is for to have added 5% titanium white powder (available from du pont company, TS-6200) on the basis of hyaline layer 1 resin.Prepare the double-decker film that contains hyaline layer 1 material and functional layer 2 materials through the coextrusion casting technique, wherein hyaline layer 1 thickness is 100um, and functional layer 2 thickness are 400um.(Asahi Glass Co., Ltd makes with upper strata protective material Glass whiteboard; Trade name Solyte), EVA glued membrane (Mitsui Chemicals, Inc), solar battery cell, double-deck packaging adhesive film of the present invention, lower floor's protective material Glass whiteboard (Asahi Glass Co., Ltd makes, trade name Solyte) stack gradually pressing and process solar module.
will change to PVB at hyaline layer among the embodiment 11 and functional layer 2 resins, and will be in addition, identical with embodiment 1.
Embodiment 3
will change to polyolefin POE (Mitsui Chemicals DF740) at 1 resin of the hyaline layer among the embodiment 1; Functional layer 2 resins are black on the basis of A layer resin, having added 3% titanium; Lower floor's protective material in the solar module changes to photovoltaic back (Suzhou Saiwu Application Technology Co., Ltd; Cynagard121), in addition, identical with embodiment 1.
Embodiment 4
will change at the coextrusion casting technique among the embodiment 1 through the individual layer casting technique and prepare functional layer 2 resin moldings that hyaline layer 1 resin molding that thickness is 150um and thickness are 350um respectively; Double-deck encapsulating film in the solar module changes near hyaline layer 1 resin molding of battery sheet with near functional layer 2 resin moldings of lower floor's protective material Glass whiteboard; In addition, identical with embodiment 1.
Embodiment 5
will change to polyolefin POE (LG chemistry LC170) at hyaline layer among the embodiment 11 and functional layer 2 resins, and functional layer 2 resins are for to have added 3% mica on the basis of hyaline layer 1 resin, in addition, identical with embodiment 1.
Embodiment 6
will change to polymethyl methacrylate (Degussa, 5mm is thick) at the upper strata protective material in the solar module among the embodiment 1 and lower floor's protective material.
Comparative example
two-layer encapsulating film adopts the present EVA packaging adhesive film (F406 that the upper strata encapsulating film adopts Hangzhou Foster photovoltaic material limited company to make; The F806 that back side encapsulating film adopts Hangzhou Foster photovoltaic material limited company to make); (Asahi Glass Co., Ltd makes with photovoltaic glass; Trade name Solyte), (Suzhou Saiwu Application Technology Co., Ltd Cynagard121) stacks gradually pressing and processes the solar module that generally uses at present for encapsulating film, solar battery cell, photovoltaic back.
Following table is the experimental data that embodiment and comparative example are compared:
, can find out that the present invention has good encapsulation function according to above comparative result, can give functions such as encapsulating material high reflectance, high barrier, high heat conduction, high-insulativity simultaneously, improve the solar cell photoelectric conversion efficiency.
above embodiment is merely the present invention's a kind of execution mode wherein, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with accompanying claims.
Claims (12)
1. a used for solar batteries laminated-type encapsulating film is characterized in that, said used for solar batteries laminated-type encapsulating film comprises hyaline layer (1) and functional layer (2).
2. used for solar batteries laminated-type encapsulating film according to claim 1 is characterized in that the thickness of said used for solar batteries laminated-type encapsulating film is 150 ~ 1000um.
3. used for solar batteries laminated-type encapsulating film according to claim 2 is characterized in that the thickness of said hyaline layer is 50-600um.
4. used for solar batteries laminated-type encapsulating film according to claim 2 is characterized in that the thickness of said functional layer is 100-400um.
5. used for solar batteries laminated-type encapsulating film according to claim 2 is characterized in that, the hyaline layer (1) of described used for solar batteries laminated-type encapsulating film perhaps/and functional layer (2) in the specific insulation of employed electric insulating quality resin greater than 10
12Ω/cm
3, the heat fusing point range is 40-180 ℃.
6. used for solar batteries laminated-type encapsulating film according to claim 6; It is characterized in that said electric insulating quality resin is at least a material in polyolefin, ethylene-vinyl acetate copolymer, polyvinyl butyral resin, polyacrylic resin, ionomer, polyurethane, silica gel, the epoxy resin.
7. used for solar batteries laminated-type encapsulating film according to claim 1; It is characterized in that; Contain one or more the mixture in 3% ~ 20% parts by weight of titanium oxide, ceramic fine bead, glass microballoon, zinc oxide, the pearl essence in the said functional layer, make the average light reflectivity of described used for solar batteries laminated-type encapsulating film in the 280-1100nm wave-length coverage reach 75 ~ 100%.
8. used for solar batteries laminated-type encapsulating film according to claim 1; It is characterized in that; Contain one or more the mixture in the mica, lamellar clay, imvite, sheet hydrotalcite of 3% ~ 10% weight portion in the said functional layer, make the water vapour permeability of described used for solar batteries laminated-type encapsulating film reach 0.01 ~ 8g/ (m
2Day).
9. used for solar batteries laminated-type encapsulating film according to claim 1; It is characterized in that; Contain one or more the mixture in the aluminium oxide, silicon dioxide, aluminium nitride, boron nitride, magnesia of 3% ~ 10% weight portion in the said functional layer, making described used for solar batteries laminated-type encapsulating film get pyroconductivity is 0.2 ~ 10Wg/ (mK).
10. used for solar batteries laminated-type encapsulating film according to claim 1 is characterized in that, the surface of said hyaline layer 1 and functional layer 2 is carried out embossing processing or carried out various concavo-convex processed, and it is concavo-convex to make the surface have.
11. used for solar batteries laminated-type encapsulating film according to claim 1 is characterized in that, described used for solar batteries laminated-type encapsulating film is arranged in the non-sensitive side of battery sheet of solar cell module.
12. solar cell backboard or solar module, it has each described used for solar batteries laminated-type encapsulating film of claim 1 ~ 11.
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|---|---|---|---|
| CN2012102481011A CN102832280A (en) | 2012-07-18 | 2012-07-18 | Laminated packaging film for solar batteries |
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|---|---|---|---|
| CN2012102481011A CN102832280A (en) | 2012-07-18 | 2012-07-18 | Laminated packaging film for solar batteries |
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| CN102832280A true CN102832280A (en) | 2012-12-19 |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280476A (en) * | 2013-05-07 | 2013-09-04 | 友达光电股份有限公司 | Solar module |
| CN103579391A (en) * | 2013-11-07 | 2014-02-12 | 英利集团有限公司 | Solar cell backboard and solar cell assembly with same |
| CN103762260A (en) * | 2014-01-28 | 2014-04-30 | 常州安迪新材料有限公司 | Packaging adhesive film for solar cell module |
| CN105619986A (en) * | 2016-03-11 | 2016-06-01 | 苏州赛伍应用技术有限公司 | Laminated packaging film for solar cell and solar cell module with packaging film |
| CN105647406A (en) * | 2016-01-25 | 2016-06-08 | 中天光伏材料有限公司 | EVA adhesive film with high water vapor barrier property |
| CN106079773A (en) * | 2016-06-16 | 2016-11-09 | 杭州福斯特光伏材料股份有限公司 | A kind of power gain type solar energy back veneer material |
| CN106206790A (en) * | 2016-08-17 | 2016-12-07 | 浙江正欣光电科技有限公司 | Photovoltaic component encapsulating POE composite membrane |
| CN106531908A (en) * | 2016-11-30 | 2017-03-22 | 四川赛尔雷新能源科技有限公司 | Double-film soft-packing lithium battery |
| CN106684186A (en) * | 2016-11-22 | 2017-05-17 | 苏州赛伍应用技术有限公司 | Packaging glue film without flanging and with good bonding |
| CN107556931A (en) * | 2017-09-04 | 2018-01-09 | 常州斯威克光伏新材料有限公司 | Eutectic refers to the compound white photovoltaic glued membranes of EVA |
| CN109360864A (en) * | 2018-12-03 | 2019-02-19 | 江苏中宇光伏科技有限公司 | A kind of packaging technology of solar panel |
| WO2019128962A1 (en) * | 2017-12-27 | 2019-07-04 | 苏州赛伍应用技术股份有限公司 | Adhesive encapsulation film for solar cell and preparation method therefor and application thereof |
| CN110066609A (en) * | 2019-04-09 | 2019-07-30 | 常州亚玛顿股份有限公司 | A kind of cooling encapsulation glue film used for solar batteries and preparation method thereof |
| CN112736152A (en) * | 2020-12-31 | 2021-04-30 | 浙江中聚材料有限公司 | Long-life solar photovoltaic back plate and preparation process thereof |
| CN114085342A (en) * | 2021-12-10 | 2022-02-25 | 安徽陶博士环保科技有限公司 | Photocuring fiber reinforced double electric layer nano ceramic coiled material and preparation method thereof |
| CN114196336A (en) * | 2022-01-07 | 2022-03-18 | 山东中科泰阳光电科技有限公司 | Colored photovoltaic packaging adhesive film |
| CN114716809A (en) * | 2022-05-23 | 2022-07-08 | 中国科学院长春应用化学研究所 | High-resistance heat insulation control film and preparation method thereof |
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| WO2014180019A1 (en) * | 2013-05-07 | 2014-11-13 | 友达光电股份有限公司 | Solar module |
| CN103280476A (en) * | 2013-05-07 | 2013-09-04 | 友达光电股份有限公司 | Solar module |
| CN103579391A (en) * | 2013-11-07 | 2014-02-12 | 英利集团有限公司 | Solar cell backboard and solar cell assembly with same |
| CN103579391B (en) * | 2013-11-07 | 2017-02-15 | 英利集团有限公司 | Solar cell backboard and solar cell assembly with same |
| EP3076439A4 (en) * | 2014-01-28 | 2016-12-14 | Changzhou Andy New Mat Co Ltd | Encapsulation film for solar cell module |
| CN103762260A (en) * | 2014-01-28 | 2014-04-30 | 常州安迪新材料有限公司 | Packaging adhesive film for solar cell module |
| CN105647406A (en) * | 2016-01-25 | 2016-06-08 | 中天光伏材料有限公司 | EVA adhesive film with high water vapor barrier property |
| CN105619986B (en) * | 2016-03-11 | 2019-06-04 | 苏州赛伍应用技术股份有限公司 | Laminated-type encapsulating film used for solar batteries and the solar cell module for using the encapsulating film |
| CN105619986A (en) * | 2016-03-11 | 2016-06-01 | 苏州赛伍应用技术有限公司 | Laminated packaging film for solar cell and solar cell module with packaging film |
| CN106079773A (en) * | 2016-06-16 | 2016-11-09 | 杭州福斯特光伏材料股份有限公司 | A kind of power gain type solar energy back veneer material |
| CN106206790B (en) * | 2016-08-17 | 2018-05-11 | 浙江正欣光电科技有限公司 | Photovoltaic component encapsulating POE composite membranes |
| CN106206790A (en) * | 2016-08-17 | 2016-12-07 | 浙江正欣光电科技有限公司 | Photovoltaic component encapsulating POE composite membrane |
| CN106684186A (en) * | 2016-11-22 | 2017-05-17 | 苏州赛伍应用技术有限公司 | Packaging glue film without flanging and with good bonding |
| CN106531908A (en) * | 2016-11-30 | 2017-03-22 | 四川赛尔雷新能源科技有限公司 | Double-film soft-packing lithium battery |
| CN107556931A (en) * | 2017-09-04 | 2018-01-09 | 常州斯威克光伏新材料有限公司 | Eutectic refers to the compound white photovoltaic glued membranes of EVA |
| WO2019128962A1 (en) * | 2017-12-27 | 2019-07-04 | 苏州赛伍应用技术股份有限公司 | Adhesive encapsulation film for solar cell and preparation method therefor and application thereof |
| CN109360864A (en) * | 2018-12-03 | 2019-02-19 | 江苏中宇光伏科技有限公司 | A kind of packaging technology of solar panel |
| CN110066609A (en) * | 2019-04-09 | 2019-07-30 | 常州亚玛顿股份有限公司 | A kind of cooling encapsulation glue film used for solar batteries and preparation method thereof |
| CN112736152A (en) * | 2020-12-31 | 2021-04-30 | 浙江中聚材料有限公司 | Long-life solar photovoltaic back plate and preparation process thereof |
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Application publication date: 20121219 |