CN203733821U - Black solar cell back board and solar cell assembly - Google Patents

Black solar cell back board and solar cell assembly Download PDF

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Publication number
CN203733821U
CN203733821U CN201320878104.3U CN201320878104U CN203733821U CN 203733821 U CN203733821 U CN 203733821U CN 201320878104 U CN201320878104 U CN 201320878104U CN 203733821 U CN203733821 U CN 203733821U
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CN
China
Prior art keywords
black
solar cell
weather
rete
proof
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.)
Expired - Lifetime
Application number
CN201320878104.3U
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Chinese (zh)
Inventor
陈洪野
夏修旸
宇野敬一
吴小平
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Cybrid Technologies Inc
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Cybrid Technologies Inc
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Publication date
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Priority to CN201320878104.3U priority Critical patent/CN203733821U/en
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Publication of CN203733821U publication Critical patent/CN203733821U/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

Abstract

The utility model relates to a black solar cell back board and a solar cell assembly. The black solar cell back board comprises a substrate layer and a weather-resistant black film layer. Particularly, the black solar cell back board further comprises the components of: a weather-resistant black coating which is formed on one surface of the substrate layer, and a high-polymer adhesive layer which is formed between the other surface of the substrate layer and the weather-resistant black film layer for bonding the substrate layer with the weather-resistant black film layer. The black solar cell back board provided by the utility model has advantages of: good weather resistance, easy assembly maintenance, good heat conductive efficiency, lower production cost and easy popularization on market.

Description

A kind of black solar cell backboard and solar module
Technical field
The utility model relates generally to a kind of black solar cell backboard and solar module.
Background technology
On existing market, a normally laminated construction of black solar panel, mainly comprises the glassy layer, EVA encapsulated layer, silicon chip, EVA encapsulated layer and the black solar cell backboard that set gradually, and wherein silicon chip is by two-layer EVA glued membrane sealed envelope.Black solar cell backboard Main Function is that to reach color for distributed power station attractive in appearance, harmonious with building, reaches designing requirement.Ensure the mechanical strength of solar panel simultaneously, prevent that water vapor permeable is in sealant, affect life-span and the generating efficiency of cell piece.Because black solar cell backboard is at the outermost of solar panel, require backboard to there is good anti-environmental attack performance, thereby the black solar cell backboard of manufacturing must have good wet and heat ageing resistant, high temperature resistant, hydrolysis, decay resistance, and resist irradiation ability.
In prior art, black solar cell backboard is mainly by the thick fluorine-contained film of 0.02 ~ 0.03mm, and the EVA that the PET basic unit that 0.18 ~ 0.30mm is thick and 0.025 ~ 0.1mm are thick or polyolefin film trilamellar membrane Material cladding form.This backboard has following shortcoming: the thicker heat transfer efficiency of backboard is poor, assembly is reprocessed difficulty, and EVA or polyolefin film black rete long-term ageing weatherability are poor.EVA or polyolefin film black rete blackness are inadequate simultaneously, do not reach the effect of black.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, the novel black solar cell backboard that provide that a kind of thermal conductivity is high, assembly is reprocessed easily, resisting ageing for long time performance is good, air surface black rete and EVA face black coating reaches ater.
The utility model also provides the solar module that a kind of thermal conductivity is high, assembly is reprocessed easily, resisting ageing for long time performance is good.
For solving above technical problem, the utility model adopts following technical scheme:
A kind of black solar cell backboard, comprise basic unit, weather-proof black rete, described black solar cell backboard also comprise the weather-proof black coating in the one side that is formed on described basic unit and be formed on the another side of described basic unit and described weather-proof black rete between for by described basic unit and the bonding macromolecule glue adhensive layer of described weather-proof black rete.
According to further embodiment of the present utility model:
The thickness of described weather-proof black coating is 0.1 ~ 30 micron.Described weather-proof black coating can be made up of polymer, silicon rubber carbon black, black pearl essence, black dyes, wherein, described polymer is one or more the combination in polyflon, daiflon, acrylic resin, polyurethane, epoxy resin.
The thickness of described macromolecule glue adhensive layer is 1 ~ 30 micron.Described macromolecule glue adhensive layer can be one or more the adhesive layer constituting in adhesive for polyurethane, acrylic resin adhesive, epoxyn.
Described basic unit is pet layer, and its thickness is 0.01 ~ 10 millimeter.
Described weather-proof black rete is the one in polyvinyl fluoride rete, Kynoar rete, high weather-proof PET rete, and its thickness is 5 ~ 200 microns.
According to a preferred aspect of the present utility model, the thickness of described basic unit is 0.1 ~ 0.3 millimeter; The thickness of described weather-proof black rete is 5 ~ 50 microns; The thickness of described weather-proof black coating is 1 ~ 10 micron; 5 ~ 15 microns of the thickness of described macromolecule glue adhensive layer.
Another technical scheme of the present utility model is: a kind of solar module, it includes above-mentioned black solar cell backboard.
Due to the enforcement of technique scheme, the utility model compared with prior art tool has the following advantages:
The structure that black solar cell backboard of the present utility model is at least four layers, it is coated with fire-resistant black coating in basic unit, can reduce the thickness of black solar cell backboard, improves heat transfer efficiency and black color depth and reaches black effect, assembly is reprocessed and become different, weather resistance is better.
Brief description of the drawings
Fig. 1 is the structural representation of black solar cell backboard of the present utility model;
Fig. 2 is the structural representation of solar module of the present utility model;
In figure: 1, basic unit; 2, weather-proof black rete; 3, weather-proof black coating; 4, macromolecule glue adhensive layer; 5, EVA encapsulated layer; 6, cell piece; 7, glassy layer.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The black solar cell backboard that the utility model provides a kind of and has that thermal conductivity is high, reflecting rate is high, easily reprocessed, weather resistance is good.
Referring to Fig. 1, black solar cell backboard of the present utility model is four-layer structure, comprise the weather-proof black rete 2, macromolecule glue adhensive layer 4, basic unit 1 and the weather-proof black coating 3 that set gradually from top to bottom, wherein, mutually bonding by macromolecule glue adhensive layer 4 between weather-proof black rete 2 and basic unit 1,3 of weather-proof black coatings are the black coatings being formed directly in basic unit 1.
In this example, basic unit 1 is PET basic unit, and its thickness can be 0.1 ~ 10 millimeter, and preferred thickness is 0.1 ~ 0.3 millimeter, and concrete thickness can be 0.188 millimeter, 0.25 millimeter, 0.30 millimeter etc.
In this example, weather-proof black rete 2 is polyvinylidene difluoride film, and this black rete also can be selected polyvinyl fluoride thin film, can be also high weather-proof PET film.The thickness of the black of resistance to marquis rete is 5 ~ 200 microns, and preferred thickness is 15 ~ 50 microns, and concrete thickness can be 20 microns, 25 microns, 30 microns etc.
In this example, weather-proof black coating 3 is made up of polymer, silicon rubber carbon black, black pearl essence, black dyes, and wherein, polymer can be polyflon, can be also daiflon, can be also acrylic resin; The thickness of weather-proof black coating 3 can be 0.1 ~ 30 micron, and preferred thickness is 1 ~ 10 micron, and concrete thickness can be 3 microns, 5 microns, 7 microns etc.;
In this example, macromolecule glue adhensive layer 4 is formed by adhesive for polyurethane, and it also can select the agent of acrylic acid gluing.The thickness of macromolecule glue adhensive layer 4 is 1 ~ 30 micron, and preferred thickness is 5 ~ 15 microns, and concrete thickness can be 5 microns, 10 microns, 15 microns etc.
Referring to Fig. 2, solar module is assembled and obtained to above-mentioned black solar cell backboard and EVA encapsulated layer 5, cell piece 6, glassy layer 7, and this solar module has weather-proof black rete 2, macromolecule glue adhensive layer 4, basic unit 1, EVA encapsulated layer 5, cell piece 6, EVA encapsulated layer 5, the glassy layer 7 for being combined with each other successively.
Black solar cell backboard of the present utility model has the black of the degree of depth and higher thermal conductivity (0.322 W/mK), excellent weather resisteant (UV-60kwh, △ b=0.5), reprocesses performance good, noresidue.By contrast, the black of the traditional black solar cell backboard particularly black of EVA face is dark not, thermal conductivity lower (0.248 W/mK), weatherability poor (UV-60kwh, △ b >=2.5), reprocess difficulty, polyolefin film black rete has residual.
To sum up, product of the present utility model has good weather resistance, and the black of the degree of depth is easy to assembly and reprocesses, and heat transfer efficiency well has lower production cost simultaneously, is easy to marketing.
Above the utility model is described in detail; its object is to allow the personage who is familiar with this art can understand content of the present utility model and be implemented; can not limit protection range of the present utility model with this; all equivalences of doing according to Spirit Essence of the present utility model change or modify, and all should be encompassed in protection range of the present utility model.

Claims (8)

1. a black solar cell backboard, comprise basic unit, weather-proof black rete, it is characterized in that, described black solar cell backboard also comprise the weather-proof black coating in the one side that is formed on described basic unit and be formed on the another side of described basic unit and described weather-proof black rete between for by described basic unit and the bonding macromolecule glue adhensive layer of described weather-proof black rete.
2. black solar cell backboard according to claim 1, is characterized in that, the thickness of described weather-proof black coating is 0.1 ~ 30 micron.
3. black solar cell backboard according to claim 1, is characterized in that, the thickness of described macromolecule glue adhensive layer is 1 ~ 30 micron.
4. black solar cell backboard according to claim 1, is characterized in that, described basic unit is pet layer, and its thickness is 0.01 ~ 10 millimeter.
5. black solar cell backboard according to claim 1, is characterized in that, described weather-proof black rete is the one in polyvinyl fluoride rete, Kynoar rete, high weather-proof PET rete.
6. black solar cell backboard according to claim 1 or 5, is characterized in that, the thickness of described weather-proof black rete is 5 ~ 200 microns.
7. black solar cell backboard according to claim 1, is characterized in that, the thickness of described basic unit is 0.1 ~ 0.3 millimeter; The thickness of described weather-proof black rete is 5 ~ 50 microns; The thickness of described weather-proof black coating is 1 ~ 10 micron; 5 ~ 15 microns of the thickness of described macromolecule glue adhensive layer.
8. a solar module, is characterized in that, described solar module includes the black solar cell backboard described in any one claim in claim 1 ~ 7.
CN201320878104.3U 2013-12-30 2013-12-30 Black solar cell back board and solar cell assembly Expired - Lifetime CN203733821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320878104.3U CN203733821U (en) 2013-12-30 2013-12-30 Black solar cell back board and solar cell assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320878104.3U CN203733821U (en) 2013-12-30 2013-12-30 Black solar cell back board and solar cell assembly

Publications (1)

Publication Number Publication Date
CN203733821U true CN203733821U (en) 2014-07-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104409549A (en) * 2014-11-18 2015-03-11 苏州福斯特新材料有限公司 High-efficiency black solar cell backplane and preparation method thereof
JP2017112246A (en) * 2015-12-17 2017-06-22 大日本印刷株式会社 Sealant built-in rear surface protective sheet for solar cell module, and solar cell module using the same
JP2019110172A (en) * 2017-12-15 2019-07-04 大日本印刷株式会社 Solar cell module and method for manufacturing the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104409549A (en) * 2014-11-18 2015-03-11 苏州福斯特新材料有限公司 High-efficiency black solar cell backplane and preparation method thereof
CN104409549B (en) * 2014-11-18 2017-05-10 苏州福斯特光伏材料有限公司 High-efficiency black solar cell backplane and preparation method thereof
JP2017112246A (en) * 2015-12-17 2017-06-22 大日本印刷株式会社 Sealant built-in rear surface protective sheet for solar cell module, and solar cell module using the same
JP2019110172A (en) * 2017-12-15 2019-07-04 大日本印刷株式会社 Solar cell module and method for manufacturing the same

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GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 215200, Wujiang economic and Technological Development Zone, Suzhou, Jiangsu Province, No. 369, Hong Kong Road, Tianjin Road

Patentee after: CYBRID TECHNOLOGIES Inc.

Address before: 215200, Wujiang economic and Technological Development Zone, Suzhou, Jiangsu Province, No. 369, Hong Kong Road, Tianjin Road

Patentee before: CYBRID TECHNOLOGIES Inc.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140723