CN207765457U - The three-layer co-extruded glued membrane of the diffusion particle containing light - Google Patents

The three-layer co-extruded glued membrane of the diffusion particle containing light Download PDF

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Publication number
CN207765457U
CN207765457U CN201721703123.7U CN201721703123U CN207765457U CN 207765457 U CN207765457 U CN 207765457U CN 201721703123 U CN201721703123 U CN 201721703123U CN 207765457 U CN207765457 U CN 207765457U
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CN
China
Prior art keywords
layer
diffusion particle
extruded
eva
glued membrane
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Active
Application number
CN201721703123.7U
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Chinese (zh)
Inventor
苗鲁滨
刘平磊
吴新星
汪裕超
罗丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai HIUV New Materials Co Ltd
Original Assignee
Akcome Film & Applied New Materials (suzhou) Co Ltd
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Priority to CN201721703123.7U priority Critical patent/CN207765457U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

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Abstract

The utility model is related to a kind of three-layer co-extruded glued membranes of diffusion particle containing light, it uses three-layer co-extruded structure, middle layer that white EVA, both sides is used to be bonded transparent EVA;There is light diffusion particle in transparent EVA layer.The smooth diffusion particle is round, ellipse and/or polygon.The hyaline layer of three-layer co-extruded glued membrane is added light diffusion particle by the utility model so that the reflected sunlight of white layer greatly promotes photoelectric conversion efficiency again by scattered reflection.

Description

The three-layer co-extruded glued membrane of the diffusion particle containing light
Technical field
The utility model is related to a kind of three-layer co-extruded glued membranes of diffusion particle containing light, are mainly used in solar photovoltaic assembly Encapsulation field.
Background technology
Due to the price rapid decrease of photovoltaic Related product in recent years, the photoelectric conversion efficiency of solar cell is improved to drop The overall cost in low power station becomes the only way that each producer's solar panel producer researches and develops selection.Traditional EVA encapsulating materials, have Adhesive property is high, and processability is good, it is cheap the advantages that.But itself contains faintly acid, cell piece is easily corroded during use; Water vapor barrier property is poor, and facile hydrolysis, ion permeability is strong, and the problem of PID decaying easily occurs in downstream product.It only plays encapsulation and protects Shield acts on, and achievement is had no in terms of raising efficiency.
The pure white EVA of part of the manufacturer's production, to improve the reflection of light thus promote electricity conversion;But downstream It when reusing, is susceptible to white portion and turns over edge in cell piece or welding, appearance is poor, while influencing the bonding with glass Power, toner are also easy to migrate.Because addition titanium dioxide itself physical property easily caused by cell piece it is hidden split and cohesive force it is relatively low, Excessive glue to cell piece front causes entire component to reprocess or scrap, thus fails to quote extensively always.
Convention transparent EVA adhesive film is to light areflexia, to the power gains of solar components without help, and simply by EVA Film makes pure white, and will produce bad order, toner migration, the problems such as cohesive force is relatively low.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of diffusion particle containing light for the above-mentioned prior art Three-layer co-extruded glued membrane, it can improve the electricity conversion of component, while bad without flange, peeling force decaying etc.;And layer with Be not in mutual migration or delamination between layer.
The technical scheme in the invention for solving the above technical problem is:A kind of three-layer co-extruded glue of the diffusion particle containing light Film, it uses three-layer co-extruded structure, middle layer that white EVA, both sides is used to be bonded transparent EVA;There is light to spread grain in transparent EVA layer Son.
Preferably, the smooth diffusion particle is round, ellipse and/or polygon.
Further, the smooth diffusion particle is triangle and/or diamond shape.
Further, there is a diameter of 1-4 μm of light diffusion particle in the upper surface transparent EVA layer, the lower surface is transparent There is a diameter of 5-8 μm of light diffusion particle in EVA layer.
Compared with prior art, the utility model has the advantage of:
For the glued membrane of the utility model using three-layer co-extruded, both sides are transparent, and intermediate one layer is made white, the transparent adhesive film of both sides With this, to avoid simple white EVA from easily causing, cell piece is hidden to be split, the lower defect of cohesive force.And simple three-layer co-extruded EVA is because white The thickness reduction of chromatograph is limited to promoting the effect of light reflection efficiency, thus we are added to light diffusion particle in outer layer hyaline layer, Sunlight reflection efficiency is greatly promoted, electricity conversion is further promoted.
The utility model be by co-extrusion transparent adhesive film before and after white EVA, and in transparent adhesive film add light diffusion particle, both The drawbacks of avoiding conventional white glued membrane, upper and lower surface use the light diffusion particle of different-grain diameter, further promote the light of reflection Line is by solar cell double absorption utilization rate.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the three-layer co-extruded glued membrane of diffusion particle containing light of the utility model.
Wherein:
1:Hyaline layer 2:White layer 3:Light diffusion particle.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
A kind of three-layer co-extruded glued membrane of diffusion particle containing light of the utility model, it uses three-layer co-extruded structure, middle layer to adopt With white EVA, both sides are bonded transparent EVA;There is light diffusion particle in transparent EVA layer.
The smooth diffusion particle is round, oval, triangle and/or diamond shape.
There is a diameter of 1-4 μm of light diffusion particle in the upper surface transparent EVA layer, has in the lower surface transparent EVA layer A diameter of 5-8 μm of light diffusion particle.
The hyaline layer of three-layer co-extruded glued membrane is added light diffusion particle by the utility model so that white layer is reflected too Sunlight by scattered reflection, greatly promotes photoelectric conversion efficiency again.
Upper and lower surface uses different-grain diameter smooth diffusion particle of different shapes, further promotes the light of reflection by the sun It can battery double absorption utilization rate.
In addition to the implementation, the utility model further includes having other embodiment, all to use equivalents or equivalent The technical solution that alternative is formed, should all fall within the protection domain of the utility model claims.

Claims (4)

1. a kind of three-layer co-extruded glued membrane of diffusion particle containing light, it is characterised in that:It uses three-layer co-extruded structure, middle layer to use White EVA, both sides are bonded transparent EVA;There is light diffusion particle in transparent EVA layer;Transparent EVA positioned at upper surface is that upper surface is saturating Bright EVA layer, the transparent EVA for being located at lower surface are lower surface transparent EVA layer.
2. a kind of three-layer co-extruded glued membrane of diffusion particle containing light according to claim 1, it is characterised in that:The light diffusion Particle is one or more of round, ellipse and polygon.
3. a kind of three-layer co-extruded glued membrane of diffusion particle containing light according to claim 2, it is characterised in that:The light diffusion Particle is triangle and/or diamond shape.
4. a kind of three-layer co-extruded glued membrane of diffusion particle containing light according to claim 1, it is characterised in that:The upper surface There is a diameter of 1-4 μm of light diffusion particle in transparent EVA layer, there is a diameter of 5-8 of light diffusion particle in the lower surface transparent EVA layer μm。
CN201721703123.7U 2017-12-10 2017-12-10 The three-layer co-extruded glued membrane of the diffusion particle containing light Active CN207765457U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721703123.7U CN207765457U (en) 2017-12-10 2017-12-10 The three-layer co-extruded glued membrane of the diffusion particle containing light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721703123.7U CN207765457U (en) 2017-12-10 2017-12-10 The three-layer co-extruded glued membrane of the diffusion particle containing light

Publications (1)

Publication Number Publication Date
CN207765457U true CN207765457U (en) 2018-08-24

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110423562A (en) * 2019-09-09 2019-11-08 常州斯威克光伏新材料有限公司 A kind of EVA white glue film containing light diffusion particle
CN110527441A (en) * 2019-10-17 2019-12-03 常州斯威克光伏新材料有限公司 A kind of POE compound cutan
CN110643298A (en) * 2019-10-10 2020-01-03 常州斯威克光伏新材料有限公司 Multilayer fluorescent packaging adhesive film
CN110682647A (en) * 2019-10-21 2020-01-14 常州斯威克光伏新材料有限公司 Photovoltaic module packaging adhesive film with high photoelectric conversion efficiency
CN111087940A (en) * 2019-12-11 2020-05-01 苏州赛伍应用技术股份有限公司 Light guide composite packaging adhesive film and preparation method and application thereof
CN114574115A (en) * 2022-03-08 2022-06-03 苏州赛伍应用技术股份有限公司 Packaging adhesive film with high light transmittance and high haze as well as preparation method and application thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110423562A (en) * 2019-09-09 2019-11-08 常州斯威克光伏新材料有限公司 A kind of EVA white glue film containing light diffusion particle
CN110643298A (en) * 2019-10-10 2020-01-03 常州斯威克光伏新材料有限公司 Multilayer fluorescent packaging adhesive film
CN110527441A (en) * 2019-10-17 2019-12-03 常州斯威克光伏新材料有限公司 A kind of POE compound cutan
CN110682647A (en) * 2019-10-21 2020-01-14 常州斯威克光伏新材料有限公司 Photovoltaic module packaging adhesive film with high photoelectric conversion efficiency
CN111087940A (en) * 2019-12-11 2020-05-01 苏州赛伍应用技术股份有限公司 Light guide composite packaging adhesive film and preparation method and application thereof
CN114574115A (en) * 2022-03-08 2022-06-03 苏州赛伍应用技术股份有限公司 Packaging adhesive film with high light transmittance and high haze as well as preparation method and application thereof
CN114574115B (en) * 2022-03-08 2024-06-11 苏州赛伍应用技术股份有限公司 Packaging adhesive film with high light transmittance and high haze as well as preparation method and application thereof

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20200415

Address after: 201201 room 909a, building a, No. 3000, Longdong Avenue, Pudong New Area, Shanghai

Patentee after: SHANGHAI HIUV NEW MATERIALS Co.,Ltd.

Address before: 215600 Zhangjiagang North Economic Development Zone, Suzhou, Jiangsu

Patentee before: AKCOME FILM & APPLIED NEW MATERIALS (SUZHOU) Co.,Ltd.