CN110416330A - A kind of production method of back contact solar cell component - Google Patents
A kind of production method of back contact solar cell component Download PDFInfo
- Publication number
- CN110416330A CN110416330A CN201910593213.2A CN201910593213A CN110416330A CN 110416330 A CN110416330 A CN 110416330A CN 201910593213 A CN201910593213 A CN 201910593213A CN 110416330 A CN110416330 A CN 110416330A
- Authority
- CN
- China
- Prior art keywords
- layer
- back contact
- conducting resinl
- solar cell
- solar battery
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 210000003850 cellular structure Anatomy 0.000 title claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000003475 lamination Methods 0.000 claims abstract description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 abstract description 15
- 238000007639 printing Methods 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 description 10
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 10
- 210000004027 cell Anatomy 0.000 description 8
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000004831 Hot glue Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022441—Electrode arrangements specially adapted for back-contact solar cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of production methods of back contact solar cell component, including following preparation step: A) setting positioning conveying carrier plate；B electrode interconnection layer) is set on positioning conveying carrier plate；C insulating layer) is set on electrode interconnection layer；D it) puts on the insulating layer and is provided with the solar battery sheet with conducting resinl, and solar battery on piece is provided with adhesive dots；E film layer) is set in solar battery on piece；F) light transmission rigid support layer is set in film layer；G heating precuring, overturning, lamination step) are then successively carried out again；H) finally positioning conveying carrier plate is returned, completes the production of entire battery component.The present invention is printing conductive glue process in the prior art, the printing area of conducting resinl is larger, quality, glue shape and the glue of printing the technical problems such as are difficult to control again and improve, and when production can be very good to guarantee that conducting resinl printing quality, glue shape, glue are effectively controlled again.
Description
Technical field
The present invention relates to the manufacture of solar panel more particularly to a kind of production sides of back contact solar cell component
Method.
Background technique
Photovoltaic industry have passed through the continuous development of decades, the generating efficiency base of traditional series welding formula component at present
The limit is had reached on this, how further to promote the generating efficiency of photovoltaic module is the basic orientation of industry development.Mesh
The preceding research direction for improving component generating efficiency in the market mainly includes promoting solar battery transformation efficiency itself and optimization group
Part packing forms both direction, the high efficiency of back contact battery itself is with it without main grid, the component package form of solderless band structure
So that back contact battery component has comparable advantage compared to traditional components in generating efficiency.
Back contact battery component is packaged by the way of glass+EVA+ cell piece+insulating layer+conduction core plate, existing
Have in technology, the process route of production back contact battery component is printing as shown in Figure 1, having the disadvantage that in this way
The printing area of conductive glue process, conducting resinl is larger, and quality, glue shape and the glue of printing are difficult to control again.To solve the production work
Technological deficiency existing for skill, the production method that the present invention devises a kind of new back contact solar cell component, institute of the present invention
The method of proposition can be very good to avoid the defects of prior art, advanced improvement with higher.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of systems of back contact solar cell component
Make method, in the prior art in the conductive glue process of printing to solve, the printing area of conducting resinl is larger, the quality of printing, glue
Shape and glue such as are difficult to control at the technical problems again；
In order to solve the above technical problems, the invention discloses a kind of production method of back contact solar cell component, packets
Include following preparation step:
A) setting positioning conveying carrier plate；
B electrode interconnection layer) is set on positioning conveying carrier plate；
C insulating layer) is set on electrode interconnection layer；
D it) puts on the insulating layer and is provided with the solar battery sheet with conducting resinl, and solar battery on piece is arranged
There are adhesive dots；
E film layer) is set in solar battery on piece；
F) light transmission rigid support layer is set in film layer；
G heating precuring, overturning, lamination step) are then successively carried out again；
H) finally positioning conveying carrier plate is returned, completes the production of entire battery component.
Further, step C) in be additionally provided with through-hole on insulating layer, through-hole is overlapped with the adhesive dots.
Further, step D) in conducting resinl be overlapped with the electrode points of solar battery sheet, and conducting resinl can pass through
Through-hole fixes electrode interconnection layer and electrode points adhesion.Before putting solar battery sheet on the insulating layer, in advance too
Positive to be printed with conducting resinl in the electrode points of cell piece, the conducting resinl of printing can be interconnected through the through-hole on insulating layer with electrode
Layer contact, so that cell piece electrode points and electrode interconnection layer are realized and be connected.
Further, film layer is EVA material layer；Wherein EVA is ethylene-vinyl acetate copolymer, vinyl acetate (VA)
Content generally in 5%-40%, EVA in strand due to introducing vinyl acetate monomer, to reduce high-crystallinity, mentions
High toughness, impact resistance, filler intermiscibility and heat sealing performance, are widely used in foaming shoe material, functional greenhouse film, packaging
The fields such as mould, hot melt adhesive, wire and cable and toy.
Further, insulating layer is PET material layer, and is wrapped with EVA material layer in PET material layer.PET is poly- pair
Ethylene terephthalate has excellent physical mechanical property in wider temperature range, and long-term use temperature is up to 120
DEG C, electrical insulating property is excellent, or even under high-temperature high-frequency, electrical property is still preferable, but corona resistance is poor, and creep resistance is resistance to tired
Lao Xing, rub resistance, dimensional stability are all fine.
The invention discloses a kind of production method of back contact solar cell component, first conducting resinl is printed in the present invention
On cell piece, then cell piece is put on the insulating layer again, conducting resinl is printed on cell piece can continue to use solar-electricity
Silk-screen printing technique in the manufacturing process of pond, technology maturation, conducting resinl printing quality, glue shape, the control of glue weight are available very
Good guarantee.To sum up, method proposed by the invention can be very good in the prior art for avoiding mentioning in background technique
Defect, have biggish advance.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of the production method of back contact battery photovoltaic module in the prior art；
Fig. 2 is the flow chart of the production method of the back contact battery photovoltaic module in the embodiment of the present invention.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, following embodiment be explanation of the invention and
The invention is not limited to following embodiments.
Embodiment 1:
Embodiment 1 discloses a kind of production method of back contact solar cell component, as shown in Fig. 2, including following system
Standby step:
A) setting positioning conveying carrier plate；
B electrode interconnection layer) is set on positioning conveying carrier plate；It completes to place conductive core plate step；
C insulating layer) is set on electrode interconnection layer；
D it) puts on the insulating layer and is provided with the solar battery sheet with conducting resinl, and solar battery on piece is arranged
There are adhesive dots；Conducting resinl is overlapped with the electrode points of solar battery sheet, and conducting resinl can be interconnected electrode by through-hole
Layer is fixed with electrode points adhesion.Before putting solar battery sheet on the insulating layer, in advance in the electricity of solar battery sheet
Conducting resinl is printed in pole, the conducting resinl of printing can be contacted through the through-hole on insulating layer with electrode interconnection layer, so that electric
Pond plate electrode point and electrode interconnection layer, which are realized, to be connected.
E film layer) is set in solar battery on piece；Film layer is EVA material layer；Wherein EVA is ethene-vinyl acetate
Copolymer, the content of vinyl acetate (VA) generally in 5%-40%, EVA due to introducing vinyl acetate monomer in strand, from
And high-crystallinity is reduced, toughness, impact resistance, filler intermiscibility and heat sealing performance are improved, foaming shoe is widely used in
The fields such as material, functional greenhouse film, packaging mould, hot melt adhesive, wire and cable and toy.
F) light transmission rigid support layer, i.e. glassy layer are set in film layer；
G heating precuring, overturning, lamination step) are then successively carried out again；
H) finally positioning conveying carrier plate is returned, completes the production of entire battery component.
Step C) in be additionally provided with through-hole on insulating layer, through-hole is overlapped with adhesive dots.Insulating layer is PET material layer, and
And EVA material layer is wrapped in PET material layer.
First conducting resinl is printed on cell piece in the present embodiment, is then again put cell piece on the insulating layer, in electricity
On piece printing conducting resinl in pond can continue to use the silk-screen printing technique in solar battery manufacturing process, technology maturation, conductive offset printing
The available good guarantee of control of brush quality, glue shape, glue weight.
Claims (5)
1. a kind of production method of back contact solar cell component, which is characterized in that including following preparation step:
A) setting positioning conveying carrier plate；
B) electrode interconnection layer is set on the positioning conveying carrier plate；
C insulating layer) is set on the electrode interconnection layer；
D it) is put on the insulating layer and is provided with the solar battery sheet with conducting resinl, and the solar battery on piece
It is provided with adhesive dots；
E film layer) is set in the solar battery on piece；
F) light transmission rigid support layer is set in the film layer；
G heating precuring, overturning, lamination step) are then successively carried out again；
H) finally the positioning conveying carrier plate is returned, completes the production of entire battery component.
2. the production method of back contact solar cell component as described in claim 1, which is characterized in that step C) described in
Through-hole is additionally provided on insulating layer, the through-hole is overlapped with the adhesive dots.
3. the production method of back contact solar cell component as claimed in claim 2, which is characterized in that step D) described in
Conducting resinl is overlapped with the electrode points of the solar battery sheet, and the conducting resinl can be by the through-hole by the electrode
Interconnection layer is fixed with the electrode points adhesion.
4. the production method of back contact solar cell component as described in claim 1, which is characterized in that the film layer is
EVA material layer.
5. the production method of back contact solar cell component as described in claim 1, which is characterized in that the insulating layer is
PET material layer, and EVA material layer is wrapped in the PET material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910593213.2A CN110416330A (en) | 2019-07-03 | 2019-07-03 | A kind of production method of back contact solar cell component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910593213.2A CN110416330A (en) | 2019-07-03 | 2019-07-03 | A kind of production method of back contact solar cell component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110416330A true CN110416330A (en) | 2019-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910593213.2A Pending CN110416330A (en) | 2019-07-03 | 2019-07-03 | A kind of production method of back contact solar cell component |
Country Status (1)
| Country | Link |
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| CN (1) | CN110416330A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725323A (en) * | 2021-11-02 | 2021-11-30 | 南京日托光伏新能源有限公司 | Back contact photovoltaic module and high-precision packaging method thereof |
| CN113823580A (en) * | 2021-11-24 | 2021-12-21 | 南京日托光伏新能源有限公司 | Method for detecting printing of MWT photovoltaic module conductive adhesive |
Citations (5)
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|---|---|---|---|---|
| CN103236448A (en) * | 2013-05-02 | 2013-08-07 | 英利能源（中国）有限公司 | Back contact battery photovoltaic assembly and production method thereof |
| CN103258911A (en) * | 2013-05-06 | 2013-08-21 | 天威新能源控股有限公司 | Back contact type solar battery locating plate and application method thereof |
| CN204204885U (en) * | 2014-09-28 | 2015-03-11 | 苏州中来光伏新材股份有限公司 | Without main grid high efficiency back contact solar cell backboard |
| CN105489704A (en) * | 2015-12-23 | 2016-04-13 | 英利集团有限公司 | Preparation method of back-contact photovoltaic module |
| CN107342340A (en) * | 2017-06-29 | 2017-11-10 | 南京日托光伏科技股份有限公司 | Double glass assemblies of back contact solar cell and preparation method thereof |
-
2019
- 2019-07-03 CN CN201910593213.2A patent/CN110416330A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236448A (en) * | 2013-05-02 | 2013-08-07 | 英利能源（中国）有限公司 | Back contact battery photovoltaic assembly and production method thereof |
| CN103258911A (en) * | 2013-05-06 | 2013-08-21 | 天威新能源控股有限公司 | Back contact type solar battery locating plate and application method thereof |
| CN204204885U (en) * | 2014-09-28 | 2015-03-11 | 苏州中来光伏新材股份有限公司 | Without main grid high efficiency back contact solar cell backboard |
| CN105489704A (en) * | 2015-12-23 | 2016-04-13 | 英利集团有限公司 | Preparation method of back-contact photovoltaic module |
| CN107342340A (en) * | 2017-06-29 | 2017-11-10 | 南京日托光伏科技股份有限公司 | Double glass assemblies of back contact solar cell and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725323A (en) * | 2021-11-02 | 2021-11-30 | 南京日托光伏新能源有限公司 | Back contact photovoltaic module and high-precision packaging method thereof |
| CN113725323B (en) * | 2021-11-02 | 2022-06-28 | 南京日托光伏新能源有限公司 | Back contact photovoltaic module and high-precision packaging method thereof |
| CN113823580A (en) * | 2021-11-24 | 2021-12-21 | 南京日托光伏新能源有限公司 | Method for detecting printing of MWT photovoltaic module conductive adhesive |
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Application publication date: 20191105 |