CN212323012U - Photovoltaic module containing multilayer packaging adhesive film - Google Patents
Photovoltaic module containing multilayer packaging adhesive film Download PDFInfo
- Publication number
- CN212323012U CN212323012U CN202021772460.3U CN202021772460U CN212323012U CN 212323012 U CN212323012 U CN 212323012U CN 202021772460 U CN202021772460 U CN 202021772460U CN 212323012 U CN212323012 U CN 212323012U
- Authority
- CN
- China
- Prior art keywords
- layer
- adhesive film
- ethylene
- film
- photovoltaic module
- 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
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
Abstract
The utility model provides a photovoltaic module who contains multilayer encapsulation glued membrane. The utility model discloses a photovoltaic module who contains multilayer encapsulation glued membrane is including front bezel, upper rubber membrane, battery piece, lower floor's glued membrane and the back plate that from top to bottom sets gradually, the upper rubber membrane with the lower floor's glued membrane has at least the one deck to be multilayer encapsulation glued membrane, multilayer encapsulation glued membrane contains at least two-layer encapsulation glued membrane. The utility model discloses a photovoltaic module who contains multilayer encapsulation glued membrane has excellent anti PID performance, can satisfy the demand to the encapsulation glued membrane of different functions.
Description
Technical Field
The utility model belongs to the technical field of photovoltaic module, a photovoltaic module who contains multilayer encapsulation glued membrane is related to.
Background
The packaging material plays roles of bonding protection and the like in the assembly, more and more battery pieces are used in the photovoltaic assembly, the performances of various battery pieces are different, and the requirements on packaging adhesive films are different; for example, the P-type cell needs a glue film with high PID resistance; the heterojunction cell with the circular welding strip needs an adhesive film with a non-slip surface, and the CIGS cell is not sensitive to heat and needs low-temperature lamination. The requirement on the packaging adhesive film is higher and higher, and the single-layer adhesive film or single material is difficult to meet the packaging requirement. The demand for adhesive films with multilayer structures and adhesive films prepared by blending various materials is increasing. At present, there are many materials that can be used as the packaging adhesive film, such as ethylene-vinyl acetate copolymer (EVA), ethylene- α -olefin copolymer (POE), ethylene-methyl methacrylate copolymer (EMMA), ethyl-methacrylate copolymer (EMA), ethylene-acrylic acid copolymer (EAA), polyvinyl butyral (PVB), ionomer, etc., and the performances of various materials are different; the POE has the functions of high water resistance and PID resistance; EVA has the advantages of high light transmittance, high crosslinking speed and the like; PVB has large cohesive force and is suitable for BIPV building and the like. However, POE also has certain disadvantages, and with the MBB multi-master-grid technology, POE surface friction coefficient is small, polarity is low, and it is easy to cause cell pieces to slide, because POE polarity is small, it is easy to precipitate the auxiliary agent, resulting in short storage life, and POE crosslinking speed is slower than ethylene-vinyl acetate copolymer (EVA), which affects production efficiency. Meanwhile, the price of POE is much higher than that of EVA, which causes pressure on the cost of photovoltaic power generation. The reliability of the conventional packaging material EVA adhesive film can be increased to a certain extent, but the reliability problem cannot be ignored for the high-efficiency novel battery and the conventional packaging material EVA adhesive film, and the more severe requirement is provided for the packaging material.
CN104538471A discloses a multilayer packaging material for a solar module, which sequentially comprises a POE surface layer A, EVA core layer B and a POE surface layer C, wherein the POE surface layer A is a glue film and is made of ethylene and octene block copolymer (POE) colloidal particles, and the surface of the POE surface layer A is contacted with a solar cell piece; the EVA core layer B is prepared from an ethylene-vinyl acetate (EVA) polymer and a modification auxiliary agent; the POE surface layer C is a glue film and is made of ethylene and octene block copolymer (POE) colloidal particles, the surface of the POE surface layer A is in contact with a back plate in the solar module, and the material is high in ageing resistance. However, this utility model is middle to replace POE with cheaper EVA part, only reduce the cost of POE glued membrane, and the shortcoming of POE glued membrane itself has not been improved, for example the shortcoming that POE glued membrane surface auxiliary agent easily appeared.
In addition, in the prior art, the matrix (except the auxiliary agent) used for each layer of the multi-layer adhesive film is a single material. In the actual production process of the product, the yield is low, and leftover materials cannot be recycled.
Therefore, it is necessary to develop a photovoltaic module with excellent PID resistance and a method for preparing the same to meet the demands for encapsulant films with different functions.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model aims to provide a photovoltaic module who contains multilayer encapsulation glued membrane, the photovoltaic module who contains multilayer encapsulation glued membrane that makes has excellent anti PID performance.
An object of the utility model is to provide a photovoltaic module who contains multilayer encapsulation glued membrane, for reaching this purpose, the utility model discloses a following technical scheme:
the utility model provides a photovoltaic module who contains multilayer encapsulation glued membrane, photovoltaic module includes front bezel, upper rubber membrane, battery piece, lower floor's glued membrane and the back plate that from top to bottom sets gradually, the upper rubber membrane with lower floor's glued membrane has at least one deck to be multilayer encapsulation glued membrane, multilayer encapsulation glued membrane contains at least two-layer encapsulation glued membrane.
The utility model discloses a photovoltaic module who contains multilayer encapsulation glued membrane has excellent anti PID performance through reasonable structure setting.
The utility model discloses a multilayer encapsulation glued membrane has improved the production yield of product.
It should be noted that at least one of the upper adhesive film and the lower adhesive film is a multi-layer packaging adhesive film, which means that the upper adhesive film is a single-layer adhesive film and the lower adhesive film is a multi-layer adhesive film; or the upper adhesive film is a multi-layer adhesive film, and the lower adhesive film is a single-layer adhesive film; or the upper-layer adhesive film and the lower-layer adhesive film are both multilayer adhesive films; the multi-layer adhesive film can integrate the advantages of various materials, so that the multi-layer adhesive film has more excellent performance of a single-layer adhesive film.
The multilayer packaging adhesive film comprises an upper surface layer and a lower surface layer which are sequentially arranged from top to bottom.
The upper surface layer and the lower surface layer are independently selected from any one of an ethylene-alpha-olefin copolymer layer, an ethylene-acrylic acid copolymer layer, an ethylene-ethyl acrylate copolymer layer, an ethylene-methyl methacrylate copolymer layer, an ethyl-methacrylate copolymer layer, an ethylene-butyl acrylate copolymer layer, a polyvinyl butyral layer, an ionomer layer and a polyurethane layer.
The multilayer packaging adhesive film further comprises an intermediate layer.
The intermediate layer is selected from any one of an ethylene-vinyl acetate copolymer layer, an ethylene-alpha-olefin copolymer layer, an ethylene-acrylic acid copolymer layer, an ethylene-ethyl acrylate copolymer layer, an ethylene-methyl methacrylate copolymer layer, an ethyl-methacrylate copolymer layer, an ethylene-butyl acrylate copolymer layer, a polyvinyl butyral layer, an ionomer layer and a polyurethane layer.
The upper adhesive film and the lower adhesive film are single-layer films; the single-layer film is any one of an ethylene-vinyl acetate copolymer single-layer film, an ethylene-alpha-olefin copolymer single-layer film, an ethylene-acrylic acid copolymer single-layer film, an ethylene-ethyl acrylate copolymer single-layer film, an ethylene-methyl methacrylate copolymer single-layer film, an ethyl-methacrylate copolymer single-layer film, an ethylene-butyl acrylate copolymer single-layer film, a polyvinyl butyral single-layer film, an ionomer single-layer film and a polyurethane single-layer film. The upper adhesive film and the lower adhesive film both contain an auxiliary agent.
It should be noted that the materials of the above layers are known materials, that is, the present invention does not relate to the improvement of the materials.
In order to ensure the reliability of the module, the adhesive film is preferably of a cross-linking type, and the module lamination process is thermal cross-linking lamination or photo-curing cross-linking lamination. Most of the existing adhesive film products need thermal crosslinking. The needs of subassembly factory can reduce the energy consumption or shorten the encapsulation glued membrane of lamination time, and the hot curing glued membrane is difficult to satisfy this requirement, the utility model provides a product of photocuring cross-linking or light/hot mixed solidification glued membrane can shorten the lamination time, reduces the energy consumption. Some adhesive films such as conventional POE have small surface friction coefficient, so that the distance between the battery pieces is uneven, and a polar layer needs to be co-extruded on the surface. The utility model discloses a photocuring, light/hot mix solidification cross-linking can realize that the lamination does not have auxiliary facilities such as frock.
Preferably, the assistant is a thermal crosslinking assistant or a photocuring crosslinking-thermal crosslinking assistant, wherein the photocuring crosslinking-thermal crosslinking refers to hybrid crosslinking of photocuring crosslinking and thermal crosslinking.
Preferably, the number of layers of the multi-layer packaging adhesive film is 2-5, for example, the number of layers of the multi-layer packaging adhesive film is 2, 3, 4 or 5.
The photovoltaic module is a single-glass assembly or a double-glass assembly.
Preferably, the front plate is a glass plate or a transparent front plate, and can be made of other transparent materials.
Preferably, the cell piece is any one of a P-type cell piece, an N-type cell piece, a heterojunction cell piece, an IBC cell piece, a TOPCon cell piece, an MWT cell or an amorphous silicon cell piece. The battery sheet includes a wide variety of types, but is not limited to the above.
Preferably, the back plate is a glass plate or other transparent back plate, and can also be a common opaque back plate.
The preparation method of the photovoltaic module containing the multilayer packaging adhesive film comprises the following steps: and sequentially laminating the front plate, the upper adhesive film, the battery piece, the lower adhesive film and the rear plate together, laminating the laminated assembly, and curing to obtain the photovoltaic assembly containing the multilayer packaging adhesive film.
According to the difference of the selected adhesive film, thermal curing, light curing or light/heat mixed curing can be selected, the utility model discloses provide photocuring lamination process or light/heat mixed curing lamination process, can realize not having frock lamination (or not having lamination auxiliary assembly lamination), improved assembly factory lamination efficiency.
Preferably, the preparation method of the multilayer packaging adhesive film is coextrusion molding, and comprises the following steps: and mixing the raw materials of each layer according to a ratio, respectively extruding the raw materials in respective extruders with set temperature, distributing the raw materials by a distributor, shaping by a die head, and embossing by a roller to obtain the multilayer packaging adhesive film.
Preferably, the preparation method of the multilayer packaging adhesive film is laminating molding, and comprises the following steps: mixing the raw materials of each layer according to a ratio, extruding the middle layer in an extruder, wherein the surface of the middle layer is a smooth surface, sequentially spraying the film on the upper surface and the lower surface of the middle layer for the rest layers, and performing roller embossing to obtain the multilayer packaging adhesive film.
Preferably, the preparation method of the multilayer packaging adhesive film is composite molding, and comprises the following steps: mixing raw materials of each layer according to a ratio, extruding each layer into a single-layer film with a set thickness in an extruder, laminating each layer of film once according to a set structure, and compounding and roller embossing on a compound roller to obtain the multilayer packaging adhesive film.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses photovoltaic module who contains multilayer encapsulation glued membrane, and the photovoltaic module who contains multilayer encapsulation glued membrane that makes has excellent anti PID performance, and the positive power decay of photovoltaic module is 2-2.9% behind the PID192h, and back power decay is 1.8-3.3%.
The utility model discloses a photovoltaic module's that contains multilayer encapsulation glued membrane preparation method, photocuring cross-linking shaping or heat/light dual cure cross-linking shaping have reduced the production energy consumption and have shortened the lamination time, adopt photocuring lamination technology or light/heat hybrid curing lamination technology, can realize not having the frock lamination, perhaps do not have lamination auxiliary assembly lamination, improved assembly factory lamination efficiency, have production operation feasibility, can recycle leftover bits, the yield of production has been increased substantially.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic module including a multilayer packaging adhesive film according to the present invention;
the reference numbers are as follows:
1-a front plate; 2-upper glue film; 3-a battery piece; 4-lower layer glue film; 5-back plate.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to fig. 1.
Unless otherwise specified, various starting materials of the present invention are commercially available or prepared according to conventional methods in the art.
The utility model discloses a photovoltaic module's that contains multilayer encapsulation glued membrane structural schematic is shown as attached figure 1, including front bezel 1, upper rubber membrane 2, battery piece 3, lower floor's glued membrane 4 and the back plate 5 that from top to bottom sets gradually, upper rubber membrane 2 with lower floor's glued membrane 4 has at least the one deck to be multilayer encapsulation glued membrane, multilayer encapsulation glued membrane contains at least two-layer encapsulation glued membrane.
Example 1
The photovoltaic module with the multilayer packaging adhesive film of the embodiment comprises a front plate, an upper adhesive film, a battery piece, a lower adhesive film and a rear plate which are sequentially arranged from top to bottom, wherein the front plate and the rear plate are glass plates, the upper adhesive film is a single-layer EVA (ethylene vinyl acetate) adhesive film, the battery piece is a P-type battery piece, and the lower adhesive film is an adhesive film with a three-layer structure of EVA + POE/POE/EVA + POE;
wherein, according to the mass percent, the upper surface EVA + POE glued membrane of lower floor's glued membrane specifically constitutes:
wherein, the EVA + POE adhesive film of the lower surface layer comprises the following components in percentage by mass:
wherein, according to the mass percent, the middle layer POE glue film comprises the following components:
the preparation method of the photovoltaic module with the multilayer packaging adhesive film comprises the following steps of sequentially laminating a front plate, an upper layer adhesive film, a battery piece, a lower layer adhesive film and a rear plate together, laminating the laminated modules, and curing to obtain the photovoltaic module with the multilayer packaging adhesive film.
The preparation method of the multilayer packaging adhesive film comprises the following steps: the preparation method comprises the following steps: after the raw materials of each layer are mixed according to the formula, the raw materials are extruded by respective extruders with set temperature (50-80 ℃ in a screw area and 100 ℃ in a die head area), and the multi-layer packaging adhesive film is obtained by distribution through a distributor, die head shaping and roller embossing.
Example 2
The photovoltaic module with the multilayer packaging adhesive film of the embodiment comprises a front plate, an upper adhesive film, a battery piece, a lower adhesive film and a rear plate which are sequentially arranged from top to bottom, wherein the front plate and the rear plate are glass plates, the upper adhesive film is a single-layer EVA (ethylene vinyl acetate) adhesive film, the battery piece is a P-type battery piece, and the lower adhesive film is an adhesive film with a three-layer structure of EVA + POE/POE/EVA + POE;
wherein, according to the mass percent, the upper surface EVA + POE glued membrane of lower floor's glued membrane specifically constitutes:
wherein, the EVA + POE adhesive film of the lower surface layer comprises the following components in percentage by mass:
the middle layer POE adhesive film comprises the following components in percentage by mass:
the preparation method of the photovoltaic module with the multilayer packaging adhesive film comprises the following steps of sequentially laminating a front plate, an upper layer adhesive film, a battery piece, a lower layer adhesive film and a rear plate together, laminating the laminated modules, and curing to obtain the photovoltaic module with the multilayer packaging adhesive film.
The preparation method of the multilayer packaging adhesive film comprises the following steps: the material is prepared by a coextrusion molding method: mixing the raw materials of each layer according to the formula, extruding the mixture by respective extruders at set temperature (50-80 ℃ in a screw area and 100 ℃ in a die head area), distributing the mixture by a distributor, shaping the die head, and embossing by a roller to obtain the multilayer packaging adhesive film.
Example 3
The photovoltaic module with the multilayer packaging adhesive film of the embodiment comprises a front plate, an upper adhesive film, a battery piece, a lower adhesive film and a rear plate which are sequentially arranged from top to bottom, wherein the front plate and the rear plate are both glass plates, the battery piece is a P-type battery piece, and the upper adhesive film and the lower adhesive film are adhesive films with three-layer structures of EVA + POE/POE/EVA + POE;
wherein, according to the mass percent, the concrete composition of upper surface EVA + POE glued membrane of upper rubber membrane and lower floor's glued membrane is:
wherein, the lower surface EVA + POE adhesive film of the upper adhesive film and the lower adhesive film comprises the following specific components in percentage by mass:
the POE glue film comprises the following specific components in percentage by mass:
the preparation method of the photovoltaic module with the multilayer packaging adhesive film comprises the following steps of sequentially laminating a front plate, an upper layer adhesive film, a battery piece, a lower layer adhesive film and a rear plate together, laminating the laminated modules, and curing to obtain the photovoltaic module with the multilayer packaging adhesive film.
The preparation method of the multilayer packaging adhesive film comprises the following steps: the coating is prepared by laminating and molding: after the raw materials of each layer are mixed according to the formula, the middle layer is extruded into a film by an extruder with set temperature (50-80 ℃ in a screw region and 100 ℃ in a die head region), the upper surface layer and the lower surface layer are sequentially extruded and laminated on the middle layer, and the multilayer packaging adhesive film is obtained by roller embossing.
Example 4
The photovoltaic module with the multilayer packaging adhesive film of the embodiment comprises a front plate, an upper adhesive film, a battery piece, a lower adhesive film and a rear plate which are sequentially arranged from top to bottom, wherein the front plate and the rear plate are both glass plates, the battery piece is an N-type battery piece, and the upper adhesive film is an adhesive film with a three-layer structure of EVA + POE/POE/EVA + POE; the lower adhesive film is a single-layer EVA + POE adhesive film and specifically comprises the following components:
wherein, according to the mass percent, the concrete composition of the upper surface EVA + POE glued membrane of upper rubber membrane is:
wherein, the molecular structure of the used silane oligomer is as follows:
wherein, the lower surface EVA + POE adhesive film of the upper adhesive film comprises the following specific components in percentage by mass:
wherein, the molecular structure of the used silane oligomer is as follows:
the middle adhesive film of the upper adhesive film comprises the following specific components in percentage by mass:
the preparation method of the photovoltaic module with the multilayer packaging adhesive film comprises the following steps of sequentially laminating a front plate, an upper layer adhesive film, a battery piece, a lower layer adhesive film and a rear plate together, laminating the laminated modules, and curing to obtain the photovoltaic module with the multilayer packaging adhesive film.
The preparation method of the multilayer packaging adhesive film comprises the following steps: the preparation method comprises the following steps: after the three layers are extruded respectively, the three layers are laminated according to the structural sequence and compounded through a hot-pressing roller to form the adhesive film with the embossing structure.
Example 5
The photovoltaic module with the multilayer packaging adhesive film of the embodiment comprises a front plate, an upper adhesive film, a battery piece, a lower adhesive film and a rear plate which are sequentially arranged from top to bottom, wherein the front plate and the rear plate are glass plates, the upper adhesive film is a single-layer POE + EVA adhesive film, the battery piece is a heterojunction battery piece, and the lower adhesive film is an adhesive film with a POE + EVA/EVA + ionomer/POE + EVA three-layer structure;
wherein, according to the mass percent, the specific composition of the upper surface layer of lower floor's glued membrane POE + EVA glued membrane is:
wherein, according to the mass percent, the specific composition of the lower surface layer of lower adhesive film POE + EVA adhesive film is as follows:
the middle layer of the lower adhesive film EVA + ionic polymer adhesive film comprises the following components in percentage by mass:
ionic Polymer AMPLIFYTMIO 99％
Wherein, according to the mass percent, the upper glue film POE + EVA glue film specifically comprises:
the preparation method of the photovoltaic module containing the multilayer packaging adhesive film of the embodiment is as follows: and sequentially laminating the front plate, the upper adhesive film, the battery piece, the lower adhesive film and the rear plate together, laminating the laminated assembly, and curing to obtain the photovoltaic assembly containing the multilayer packaging adhesive film.
The preparation method of the multilayer packaging adhesive film comprises the following steps: mixing the raw materials of each layer according to a formula, extruding in respective extruders with set temperature (50-80 ℃ in a screw area and 100 ℃ in a die head area), distributing by a distributor, shaping by a die head, and embossing by a roller to obtain the multilayer packaging adhesive film.
Wherein, cross-linking agent LUPEROX TBEC is that the company of Akema produced, helps cross-linking agent TAIC to be that the compound chemical industry of Hunan Min produced, silane coupling agent OFS-6030 is that DOW CORNING company produced, anti-oxidant 1010 and light stabilizer 770 are that the company of the joint prosperity produces, and the ion catcher is the pentavalent metal oxide that has cation exchange characteristic, the utility model discloses an ion catcher for master batch EVAM 1SG038NAT produce for the company of eastern printing ink, D113 ion exchange resin is that the company of the positive source of Tianjingdan produces.
Comparative example 1
The photovoltaic module of this comparative example, front bezel, upper rubber membrane, battery piece, lower floor's glued membrane and back plate that from top to bottom set gradually, wherein, upper rubber membrane and lower floor's glued membrane are the individual layer EVA glued membrane, specifically constitute as follows:
the preparation method of the photovoltaic module of this comparative example was as follows:
and (3) stacking the components once according to the component structure, and then putting the components into a laminating machine for laminating, wherein the laminating condition is 145 ℃, and vacuumizing for 5min and maintaining the pressure for 10 min.
Comparative example 2
The photovoltaic module of this comparative example, front bezel, upper rubber membrane, battery piece, lower floor's glued membrane and back plate that from top to bottom set gradually, wherein, upper rubber membrane and lower floor's glued membrane are the individual layer POE glued membrane, specifically constitute as follows:
the preparation method of the photovoltaic module of this comparative example was as follows:
and (3) stacking the components once according to the component structure, and then putting the components into a laminating machine for laminating, wherein the laminating condition is 145 ℃, and vacuumizing for 5min and maintaining the pressure for 10 min.
The photovoltaic modules prepared in examples 1-5 and comparative examples 1-2 were subjected to the PID resistance test, the test results are shown in table 1, and the corresponding lamination conditions are shown in table 1.
Wherein the testing standard of the PID resistance is carried out according to the standard IEC 62804.
TABLE 1
Taking example 1 as an example, after the photovoltaic module passes through PID192h, the front power is attenuated by 2.2%, and the back power is attenuated by 3.3%.
Compared with the single-layer EVA adhesive film as the upper and lower adhesive films in the comparative example 1, the PID resistance effect of the examples 1-5 is better, but the lamination process conditions are not changed greatly, and particularly the lamination time is similar to that of the comparative example 1.
For the upper and lower layer glued membrane of comparative example 2 be individual layer POE glued membrane, the utility model discloses an anti PID effect of embodiment 1-5 is almost, but lamination process has but optimized by a wide margin, the utility model discloses a lamination process has shortened the lamination time by a wide margin.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The photovoltaic module is characterized by comprising a front plate, an upper-layer adhesive film, a battery piece, a lower-layer adhesive film and a rear plate which are sequentially arranged from top to bottom, wherein at least one layer of the upper-layer adhesive film and the lower-layer adhesive film is a multi-layer packaging adhesive film, and the multi-layer packaging adhesive film comprises at least two layers of packaging adhesive films.
2. The photovoltaic module of claim 1, wherein the multi-layer encapsulant film comprises an upper layer and a lower layer sequentially arranged from top to bottom.
3. The photovoltaic module of claim 2, wherein the upper skin layer and the lower skin layer are independently selected from any one of an ethylene- α -olefin copolymer layer, an ethylene-acrylic acid copolymer layer, an ethylene-ethyl acrylate copolymer layer, an ethylene-methyl methacrylate copolymer layer, an ethyl-methacrylate copolymer layer, an ethylene-butyl acrylate copolymer layer, a polyvinyl butyral layer, an ionomer layer, and a polyurethane layer.
4. The photovoltaic module of claim 2 or 3, wherein the multilayer encapsulant film further comprises an intermediate layer.
5. The photovoltaic module of claim 4, wherein the intermediate layer is selected from any one of an ethylene-vinyl acetate copolymer layer, an ethylene- α -olefin copolymer layer, an ethylene-acrylic acid copolymer layer, an ethylene-ethyl acrylate copolymer layer, an ethylene-methyl methacrylate copolymer layer, an ethyl-methacrylate copolymer layer, an ethylene-butyl acrylate copolymer layer, a polyvinyl butyral layer, an ionomer layer, and a polyurethane layer.
6. The photovoltaic module of claim 1, wherein the upper adhesive film and the lower adhesive film are single-layer films;
the single-layer film is any one of an ethylene-vinyl acetate copolymer single-layer film, an ethylene-alpha-olefin copolymer single-layer film, an ethylene-acrylic acid copolymer single-layer film, an ethylene-ethyl acrylate copolymer single-layer film, an ethylene-methyl methacrylate copolymer single-layer film, an ethyl-methacrylate copolymer single-layer film, an ethylene-butyl acrylate copolymer single-layer film, a polyvinyl butyral single-layer film, an ionomer single-layer film and a polyurethane single-layer film.
7. The photovoltaic module according to claim 1, wherein the number of the layers of the multilayer packaging adhesive film is 2-5.
8. The photovoltaic assembly of claim 1, wherein the photovoltaic assembly is a single glass assembly or a dual glass assembly.
9. The photovoltaic module of claim 1, wherein the front sheet is a glass sheet.
10. The photovoltaic module according to claim 1, wherein the cell sheet is any one of a P-type cell sheet, an N-type cell sheet, a heterojunction cell sheet, an IBC cell sheet, a TOPCon cell sheet, an MWT cell or an amorphous silicon cell sheet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020215087314 | 2020-07-27 | ||
| CN202021508731 | 2020-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323012U true CN212323012U (en) | 2021-01-08 |
Family
ID=74035371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021772460.3U Active CN212323012U (en) | 2020-07-27 | 2020-08-21 | Photovoltaic module containing multilayer packaging adhesive film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114015367A (en) * | 2021-10-22 | 2022-02-08 | 上海润势科技有限公司 | Photovoltaic cell packaging adhesive film with high interlayer bonding force |
-
2020
- 2020-08-21 CN CN202021772460.3U patent/CN212323012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114015367A (en) * | 2021-10-22 | 2022-02-08 | 上海润势科技有限公司 | Photovoltaic cell packaging adhesive film with high interlayer bonding force |
| CN114015367B (en) * | 2021-10-22 | 2023-12-08 | 上海润势科技有限公司 | Packaging adhesive film for photovoltaic cell with high interlayer bonding force |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022021770A1 (en) | Multifunctional packaging adhesive film and preparation method therefor | |
| JP4774050B2 (en) | Multilayer ionomer film for use as a sealing material layer for photovoltaic modules | |
| CN103158312B (en) | A kind of solar cell module back veneer and manufacture method thereof | |
| CN111863996A (en) | Photovoltaic module containing multilayer packaging adhesive film and preparation method thereof | |
| CN113013297B (en) | Preparation method of grid-line-free heterojunction battery assembly | |
| CN101735744B (en) | EVA hot melt adhesive sheet for solar battery | |
| TW201034216A (en) | Mechanically reliable solar cell modules | |
| EP3076439A1 (en) | Encapsulation film for solar cell module | |
| CN214313226U (en) | Impact-resistant back plate of composite packaging adhesive film and photovoltaic module using back plate | |
| CN112812703A (en) | Photovoltaic adhesive film resisting mechanical impact, preparation process and photovoltaic module | |
| CN212323012U (en) | Photovoltaic module containing multilayer packaging adhesive film | |
| CN111718670A (en) | White packaging adhesive film for photovoltaic module and preparation method thereof | |
| KR20110119134A (en) | Hot melt film for solar cell module | |
| CN116376469A (en) | Multifunctional composite adhesive film, preparation method and application thereof | |
| CN111253876A (en) | Packaging adhesive film for photovoltaic module and preparation method thereof | |
| US11810777B2 (en) | Composite encapsulating material and photovoltaic module including the same | |
| CN212610405U (en) | White packaging adhesive film for photovoltaic module | |
| CN218665863U (en) | Composite packaging adhesive film and photovoltaic module | |
| CN101979247A (en) | Packaging back sheet for solar photovoltaic cell | |
| CN207503988U (en) | A kind of multilayer solar packaging adhesive film | |
| CN108155259B (en) | Isolation film technology for stacking glass for photovoltaic module | |
| CN114774023A (en) | EPE photovoltaic adhesive film, preparation method thereof and photovoltaic module | |
| CN111087940B (en) | Light guide composite packaging adhesive film and preparation method and application thereof | |
| CN114750496A (en) | Solar fireproof composite back plate and preparation method thereof | |
| CN113881356A (en) | High-peel-strength ultraviolet aging resistant EAA packaging adhesive film for photovoltaic cell and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221125 Address after: 828 Hengchang Avenue, Xianhua Street, Pujiang County, Jinhua, Zhejiang 322200 Patentee after: Zhejiang Saiwu Application Technology Co.,Ltd. Address before: 215200 no.369, Yegang Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: CYBRID TECHNOLOGIES Inc. |
|
| TR01 | Transfer of patent right |