CN217377760U - Packaging film and solar cell module applying same - Google Patents
Packaging film and solar cell module applying same Download PDFInfo
- Publication number
- CN217377760U CN217377760U CN202221044783.XU CN202221044783U CN217377760U CN 217377760 U CN217377760 U CN 217377760U CN 202221044783 U CN202221044783 U CN 202221044783U CN 217377760 U CN217377760 U CN 217377760U
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- CN
- China
- Prior art keywords
- layer
- poe
- solar cell
- poe layer
- cell 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.)
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Links
- 229920006280 packaging film Polymers 0.000 title abstract description 10
- 239000012785 packaging film Substances 0.000 title abstract description 10
- 238000004132 cross linking Methods 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims abstract description 14
- 230000001070 adhesive effect Effects 0.000 claims abstract description 14
- 238000005538 encapsulation Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 abstract description 11
- 239000011521 glass Substances 0.000 abstract description 10
- 239000012752 auxiliary agent Substances 0.000 abstract description 7
- 230000005012 migration Effects 0.000 abstract description 4
- 238000013508 migration Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 39
- 239000012790 adhesive layer Substances 0.000 description 9
- 239000005022 packaging material Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- -1 tert-butyl peroxy carbonic acid-2-ethylhexyl ester Chemical compound 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000012803 melt mixture Substances 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229940116351 sebacate Drugs 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The application relates to the technical field of solar cell modules, and particularly discloses an encapsulation film and a solar cell module applying the same. Wherein the packaging film includes the POE layer, be provided with the adhesive linkage on the POE layer, the POE layer is through cross-linking processing in advance and the degree of cross-linking is 0.1~30% layer in advance. Set up the adhesive linkage on the POE layer in this application, and carry out the cross-linking processing in advance to the POE layer, when the degree of cross-linking in advance on POE layer is 0.1~30%, the auxiliary agent has reduced the migration in to the adhesive linkage in the POE layer to the influence of auxiliary agent to adhesive linkage viscosity in the POE layer has been reduced, consequently improved encapsulating material and glass's joint strength.
Description
Technical Field
The application relates to the technical field of solar cell modules, in particular to an encapsulation film and a solar cell module applying the encapsulation film.
Background
The solar cell module consists of a solar cell, low-iron ultra-white suede toughened glass, a packaging material, a functional back plate, an interconnection bar, a bus bar, a junction box and an aluminum alloy frame, can convert solar energy into electric energy, and has high photoelectric conversion rate.
The common packaging material is a POE film which has low water vapor permeability and high volume resistivity, so that the safety and the aging resistance of the solar cell module in operation in a high-temperature and high-humidity environment are ensured, but the bonding strength of the POE film is not high, and the connection strength of the packaging material and the glass is influenced.
SUMMERY OF THE UTILITY MODEL
In order to improve the connection strength between the packaging material and the glass, the application provides a packaging film and a solar cell module applying the packaging film.
In a first aspect, the present application provides an encapsulation film, which adopts the following technical scheme:
the utility model provides an encapsulation film, includes the POE layer, be provided with the adhesive linkage on the POE layer, the POE layer is through the pre-crosslinking processing and the degree of pre-crosslinking is 0.1~30% layer.
Through adopting above-mentioned technical scheme, set up the adhesive linkage on the POE layer, and carry out the cross-linking processing in advance to the POE layer, when the degree of cross-linking in advance on POE layer is 0.1~30%, reduced the auxiliary agent in the POE layer to the migration in the adhesive linkage to the influence of auxiliary agent to adhesive linkage viscosity in the POE layer has been reduced, consequently improved encapsulating material and glass's joint strength.
In a specific possible embodiment, the number of the adhesive layers is one, and the adhesive layers are disposed on one side of the POE layer.
By adopting the technical scheme, the adhesive layer is arranged on one side of the POE layer, so that the adhesive strength of the packaging film is improved, and the migration amount of the auxiliary agent in the POE layer to the adhesive layer is reduced.
In a specific possible embodiment, the number of the adhesive layers is two, and the POE layer is disposed between the two adhesive layers.
Through adopting above-mentioned technical scheme, all set up the adhesive linkage in the both sides on POE layer, improved the adhesive strength of packaging film.
In a specific embodiment, the adhesive layer is an EVA layer.
By adopting the technical scheme, the EVA layer has higher adhesive force and also has higher aging resistance and transparency.
In a second aspect, the present application provides a solar cell module, which adopts the following technical solution:
a solar cell module applies the packaging film.
By adopting the technical scheme, the packaging film in the application is used as a packaging material, and the strength of the whole solar cell module is high.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the application, the bonding layer is arranged on the POE layer, and the POE layer is subjected to pre-crosslinking treatment, so that when the pre-crosslinking degree of the POE layer is 0.1-30%, the migration of the auxiliary agent in the POE layer to the bonding layer is reduced, the influence of the auxiliary agent in the POE layer on the viscosity of the bonding layer is reduced, and the connection strength of the packaging material and the glass is improved;
2. the EVA layer has high adhesive force, and has high aging resistance and transparency;
3. the solar cell module in this application uses the encapsulation membrane in this application, has improved the holistic intensity of solar cell module.
Drawings
Fig. 1 is an exploded view schematically showing the whole solar cell module in example 1.
Fig. 2 is a schematic cross-sectional view for embodying an encapsulating film in example 1.
Fig. 3 is a schematic cross-sectional view for embodying an encapsulating film in example 2.
Description of reference numerals: 1. a solar panel; 2. a first encapsulant material; 3. a second encapsulant material; 31. packaging film: 311. a POE layer; 312. an adhesive layer; 4. a base plate; 5. a junction box; 6. glass; 7. a frame.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Example 1
Referring to fig. 1, a solar module, including solar cell panel 1, it has first encapsulating material 2 to bond on one lateral wall of solar cell panel 1, it has second encapsulating material 3 to bond on another lateral wall of solar cell panel 1, first encapsulating material 2 and second encapsulating material 3 are encapsulating film 31, it has bottom plate 4 to bond on the lateral wall that first encapsulating material 2 deviates from solar cell panel 1, install terminal box 5 on bottom plate 4 deviates from the lateral wall of first encapsulating material 2, it has glass 6 to bond on the lateral wall that second encapsulating material 3 deviates from solar cell panel 1, install frame 7 on glass 6, and frame 7 encloses to close on battery module.
Referring to fig. 2, the encapsulation film 31 includes a POE layer 311, a bonding layer 312 is provided on a side wall of the POE layer 311 away from the solar cell panel 1, the bonding layer 312 is an EVA layer, and the encapsulation film 31 is manufactured by the following steps:
uniformly mixing POE resin, a mixture consisting of di-tert-butylperoxyisopropyl benzene and tert-butyl peroxy carbonic acid-2-ethylhexyl ester in a weight ratio of 1:1, triallyl isocyanurate, vinyl trimethoxy silane, hindered phenol anti-aging agent and olefin polymer EPDM to obtain a mixture A.
Uniformly mixing EVA resin, 1-ditert-amyl peroxy cyclohexane, triallyl isocyanurate, n-octadecyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, bis-2, 2,6, 6-tetramethyl piperidinol sebacate and 2-hydroxy-4-n-octyloxy benzophenone to obtain a mixture B;
melt mixture A and mixture B and crowd under 80 ℃, the curtain coating, the cooling film forming, carry out electron beam irradiation to the membrane that forms again for POE layer takes place the pre-crosslinking, obtains encapsulation membrane 31, and the pre-crosslinking degree of POE layer can be 0.1~30%, and the pre-crosslinking degree of POE layer is 15% in this embodiment.
The implementation principle of the embodiment 1 is as follows: set up the EVA layer on the lateral wall that POE layer 311 deviates from solar cell panel 1 for bottom plate 4 and glass 6 bond better on solar cell panel 1.
Example 2
Referring to fig. 3, the present embodiment is different from embodiment 1 in that: the two sidewalls of the POE layer 311 are both provided with adhesive layers 312.
The implementation principle of embodiment 2 differs from that of embodiment 1 in that: the two side walls of the POE layer 311 are both provided with the bonding layers 312, so that the base plate 4 and the glass 6 are better bonded to the solar panel 1, and the packaging material is better bonded to the solar panel 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. An encapsulation film comprising a POE layer (311), characterized in that: be provided with adhesive linkage (312) on POE layer (311), POE layer (311) are through cross-linking processing in advance and the degree of cross-linking is 0.1~30% layer in advance.
2. The encapsulation film according to claim 1, wherein: the number of the bonding layers (312) is one, and the bonding layers (312) are arranged on one side of the POE layer (311).
3. The encapsulation film according to claim 1, wherein: the number of the bonding layers (312) is two, and the POE layer (311) is arranged between the two bonding layers (312).
4. The encapsulation film according to claim 1, wherein: the bonding layer (312) is an EVA layer.
5. A solar cell module, characterized in that: use of an encapsulation film (31) according to any of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221044783.XU CN217377760U (en) | 2022-04-24 | 2022-04-24 | Packaging film and solar cell module applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221044783.XU CN217377760U (en) | 2022-04-24 | 2022-04-24 | Packaging film and solar cell module applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217377760U true CN217377760U (en) | 2022-09-06 |
Family
ID=83110036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221044783.XU Ceased CN217377760U (en) | 2022-04-24 | 2022-04-24 | Packaging film and solar cell module applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217377760U (en) |
-
2022
- 2022-04-24 CN CN202221044783.XU patent/CN217377760U/en not_active Ceased
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20231130 Decision number of declaring invalidation: 563582 Granted publication date: 20220906 |
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| IW01 | Full invalidation of patent right |