CN106469762A - A kind of solar module of anti-PID effect - Google Patents
A kind of solar module of anti-PID effect Download PDFInfo
- Publication number
- CN106469762A CN106469762A CN201611100175.5A CN201611100175A CN106469762A CN 106469762 A CN106469762 A CN 106469762A CN 201611100175 A CN201611100175 A CN 201611100175A CN 106469762 A CN106469762 A CN 106469762A
- Authority
- CN
- China
- Prior art keywords
- layer
- cell piece
- solar
- barrier layer
- encapsulated layer
- 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.)
- Pending
Links
- 230000000694 effects Effects 0.000 title claims abstract description 17
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 239000000565 sealant Substances 0.000 claims abstract description 11
- 229920000098 polyolefin Polymers 0.000 claims abstract description 7
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 5
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 5
- 238000003475 lamination Methods 0.000 claims abstract description 4
- 239000004711 α-olefin Substances 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 12
- 238000005538 encapsulation Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 abstract description 9
- 229910001415 sodium ion Inorganic materials 0.000 abstract description 9
- 230000006698 induction Effects 0.000 abstract description 4
- 230000005012 migration Effects 0.000 abstract description 3
- 238000013508 migration Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 44
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940008099 dimethicone Drugs 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006557 surface reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01L31/04—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
- H01L31/04—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
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
- Sealing Material Composition (AREA)
Abstract
The present invention relates to a kind of solar module of anti-PID effect, including module frame, it is arranged in the mounting groove of module frame the glass used for solar batteries of lamination, cell piece and backboard successively, setting fluid sealant in mounting groove, it is provided with the first encapsulated layer between glass used for solar batteries and cell piece, it is provided with the second encapsulated layer, the material of described first encapsulated layer and the second encapsulated layer is identical between described cell piece and backboard；Described encapsulated layer includes the first tack coat and second tack coat of barrier layer and barrier layer both sides, described barrier layer is the polyolefin barrier layer containing ethylene-alpha-olefin polymer, described tack coat is ethylene-vinyl acetate copolymer, and described cell piece is back contact solar cell.The barrier layer of the present invention can stop aqueous vapor from entering into inside solar module by backboard；This structure can also slow down the migration velocity of sodium ion；Efficiently solve the potential induction attenuation phenomenon that assembly occurs under hygrothermal environment in terms of two, improve the service life of solar module simultaneously.
Description
Technical field
The present invention relates to technical field of solar batteries, the solar module of more particularly, to a kind of anti-PID effect.
Background technology
All there is " potential inducing decay " PID problem in photovoltaic plant both domestic and external at present, becomes assembly factory and meets with complaint very
Technical barrier to reparation of returning goods.Some power station actual motions show：Photovoltaic module uses for a long time under high pressure hygrothermal environment, water
Gas is entered in assembly by backboard, leads to the alkali that now widely used EVA hydrolysis is produced acetic acid and separated out with glass surface
Reaction produces the sodium ion that can move freely, then a large amount of sodium ion move to battery surface in the presence of electric field so that
Cell piece surface passivation effect deteriorates, and can form loop electric leakage between glass, encapsulating material, cell piece, backboard and module frame
Electric current, leads to the power of photovoltaic module significantly to be decayed, i.e. PID phenomenon.
Content of the invention
The technical problem to be solved is the defect overcoming prior art, provides a kind of sun of anti-PID effect
Energy battery component, the barrier layer in the particularly first and second encapsulating materials can stop aqueous vapor from entering into solar energy by backboard
Inside battery component；This structure can also slow down the migration velocity of sodium ion；Efficiently solve assembly in damp and hot ring in terms of two
The potential induction attenuation phenomenon occurring under border, improves the service life of photovoltaic module simultaneously.
In order to solve the above problems, the technical solution used in the present invention is：A kind of solar battery group of anti-PID effect
Part, including module frame, is arranged in the mounting groove of module frame the glass used for solar batteries of lamination, cell piece and the back of the body successively
Plate, in described mounting groove, setting fluid sealant, is provided with the first encapsulated layer between described glass used for solar batteries and cell piece, described
It is provided with the second encapsulated layer, the material of described first encapsulated layer and the second encapsulated layer is identical between cell piece and backboard；Described encapsulation
First tack coat of layer inclusion barrier layer and barrier layer both sides and the second tack coat, described barrier layer is containing ethene-alpha-olefin
The polyolefin barrier layer of polymer, described tack coat is ethylene-vinyl acetate copolymer, and described cell piece is back contact solar
Battery, described back contact solar cell includes substrate, is disposed adjacent p-type doped layer and n-type doping layer in the shady face of substrate,
At least one first electrical contact, connects described p-type doped layer, and keeps spacing with described n-type doping layer；And at least one second
Electrical contact, connects described n-type doping layer, and keeps spacing with described p-type doped layer；And at least one insulation adhesive band, tool
There is at least one perforation, described insulation adhesive band is attached at described p-type doped layer, and wear described in described insulation adhesive band
Hole manifests described first electrical contact, or is attached at described n-type doping layer, and wears described in described insulation adhesive band
Hole manifests described second electrical contact.
Above-mentioned fluid sealant is filled full in mounting groove internal clearance, described fluid sealant specifically Dimethicone Copolyol
Thing.
Said modules frame is aluminum alloy frame.
In a heated condition, encapsulation layer material reaches certain temperature and can melt above-mentioned encapsulated layer, and this temperature is usually
140 DEG C～150 DEG C, then etc. make photovoltaic glass and cell piece, cell piece together with bonding firm between backboard after solidification.
The assembly encapsulation structure that the present invention provides, the structure of the particularly first and second encapsulated layers, the resistance in encapsulating material
Interlayer can stop aqueous vapor from entering into inside photovoltaic module by backboard.Also have sub-fraction aqueous vapor can enter into by frame
In assembly, chemical reaction is then occurred to make sodium ion gather cell piece surface, this structure can also slow down moving of sodium ion
Move speed.So the potential induction attenuation phenomenon that assembly occurs under hygrothermal environment can be efficiently solved in terms of two, simultaneously
Improve the service life of photovoltaic module.
Brief description
Fig. 1 is the solar module structural representation of the anti-PID effect of the present invention；
Fig. 2 is the encapsulated layer schematic diagram of the solar module of anti-PID effect of the present invention.
Specific embodiment
With reference to specific embodiments and the drawings, the present invention is described in further detail.
Referring to Fig. 1 and Fig. 2, a kind of photovoltaic module of anti-PID effect, including module frame 1, it is arranged at module frame 1
The photovoltaic glass 3 of lamination, cell piece 5 and backboard 7 successively in mounting groove, setting fluid sealant 2, described photovoltaic in described mounting groove
With being provided with the first encapsulated layer 4 between glass 3 and cell piece 5, between described cell piece 5 and backboard 7, it is provided with the second encapsulated layer 6, institute
State the first encapsulated layer 4 identical with the material of the second encapsulated layer 6；Described encapsulated layer includes the first of barrier layer 9 and barrier layer 9 both sides
Tack coat 8 and the second tack coat 10, described barrier layer 9 is the polyolefin barrier layer containing ethylene-alpha-olefin polymers, described viscous
Knot layer is ethylene-vinyl acetate copolymer, and described cell piece is back contact solar cell, described back contact solar cell bag
Include substrate, be disposed adjacent p-type doped layer and n-type doping layer, at least one first electrical contact in the shady face of substrate, connect described
P-type doped layer, and keep spacing with described n-type doping layer；And at least one second electrical contact, connect described n-type doping layer,
And keep spacing with described p-type doped layer；And at least one insulation adhesive band, there is at least one perforation, described insulation adhesive band
It is attached at one side of described p-type doped layer, and the described perforation of described insulation adhesive band manifests described first electrical contact, or
It is attached at one side of described n-type doping layer, and the described perforation of described insulation adhesive band manifests described second electrical contact.
Fluid sealant 2 is filled full in mounting groove internal clearance, described fluid sealant 2 specifically polydimethylsiloxanecopolymer copolymer.
Module frame 1 is aluminum alloy frame.
In a heated condition, encapsulation layer material reaches certain temperature and can melt encapsulated layer, then wait solidify after make photovoltaic
With glass 3 and cell piece 5, cell piece 5 together with bonding firm between backboard 7.
The assembly encapsulation structure that the present invention provides, the structure of the particularly first and second encapsulating materials, in encapsulating material
Barrier layer can stop aqueous vapor from entering into inside photovoltaic module by backboard.Also have sub-fraction aqueous vapor can enter by frame
To in assembly, chemical reaction is then occurred to make sodium ion gather cell piece surface, this structure can also slow down sodium ion
Migration velocity.So can efficiently solve, in terms of two, the potential induction attenuation phenomenon that assembly occurs under hygrothermal environment, with
When improve the service life of photovoltaic module.
Fluid sealant 2 described in structure uses polydimethylsiloxanecopolymer copolymer, and its effect is exactly to prevent aqueous vapor
Enter into component internal by around frame.The effect of described encapsulated layer is in a heated condition, and encapsulating material reaches necessarily
Temperature can melt, usually 140 DEG C～150 DEG C, after waiting solidification, make photovoltaic glass 3 and cell piece 5, cell piece 5 and the back of the body
Between plate 7, firmly bonding is got up, and improves the service life of battery component.It is packaged in the levels all 5 of cell piece 5, one
It is component internal can be entered into by backboard with barrier assembly bottom aqueous vapor, play the role of anti-PID effect；Two be can slow down by
The sodium ion obtaining after there is chemical reaction moves to the speed on cell piece surface.
The above is the preferred embodiment of the present invention it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (4)
1. a kind of solar module of anti-PID effect, including module frame, is arranged in the mounting groove of module frame successively
The glass used for solar batteries of lamination, cell piece and backboard, setting fluid sealant in described mounting groove it is characterised in that：Described too
Sun can be provided with the first encapsulated layer between battery glass and cell piece, is provided with the second encapsulated layer between described cell piece and backboard,
The material of described first encapsulated layer and the second encapsulated layer is identical；Described encapsulated layer includes barrier layer and the first of barrier layer both sides and glues
Knot layer and the second tack coat, described barrier layer is the polyolefin barrier layer containing ethylene-alpha-olefin polymers, and described tack coat is
Ethylene-vinyl acetate copolymer, described cell piece is back contact solar cell, and described back contact solar cell includes base
Plate, is disposed adjacent p-type doped layer and n-type doping layer, at least one first electrical contact in the shady face of substrate, connects described p-type
Doped layer, and keep spacing with described n-type doping layer；And at least one second electrical contact, connect described n-type doping layer, and
Keep spacing with described p-type doped layer；And at least one insulation adhesive band, there is at least one perforation, described insulation adhesive band patch
Invest one side of described p-type doped layer, and the described perforation of described insulation adhesive band manifests described first electrical contact, or patch
Invest one side of described n-type doping layer, and the described perforation of described insulation adhesive band manifests described second electrical contact.
2. according to claim 1 anti-PID effect solar module it is characterised in that：Described fluid sealant is filled
Completely in mounting groove internal clearance, described fluid sealant specifically polydimethylsiloxanecopolymer copolymer.
3. anti-PID effect according to claim 1 or claim 2 solar module it is characterised in that：Described module frame is
Aluminum alloy frame.
4. according to claim 3 anti-PID effect solar module it is characterised in that：Described encapsulated layer is in heating
Under the conditions of, encapsulation layer material reaches certain temperature and can melt, then make after waiting solidification glass used for solar batteries and cell piece,
Together with firm bonding between cell piece and backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611100175.5A CN106469762A (en) | 2016-12-01 | 2016-12-01 | A kind of solar module of anti-PID effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611100175.5A CN106469762A (en) | 2016-12-01 | 2016-12-01 | A kind of solar module of anti-PID effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106469762A true CN106469762A (en) | 2017-03-01 |
Family
ID=58230897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611100175.5A Pending CN106469762A (en) | 2016-12-01 | 2016-12-01 | A kind of solar module of anti-PID effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106469762A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301012A (en) * | 2018-10-09 | 2019-02-01 | 黄石金能光伏有限公司 | Anti- PID photovoltaic module and its preparation process |
| WO2019222949A1 (en) * | 2018-05-24 | 2019-11-28 | Covestro Deutschland Ag | Solar module with reduced PID effect |
| CN114584059A (en) * | 2022-05-07 | 2022-06-03 | 深圳市华宝新能源股份有限公司 | Solar module packaged by frame and packaging method |
| US11866519B2 (en) | 2018-09-18 | 2024-01-09 | Wool Research Organisation Of New Zealand Incorporated | Cellulose-containing materials |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646978A (en) * | 2013-12-09 | 2014-03-19 | 英利集团有限公司 | Solar cell module |
| CN204067387U (en) * | 2014-09-04 | 2014-12-31 | 西安普瑞新特能源有限公司 | A kind of photovoltaic module of anti-PID effect |
| CN104716210A (en) * | 2015-01-07 | 2015-06-17 | 友达光电股份有限公司 | Solar cell module and solar cell module |
-
2016
- 2016-12-01 CN CN201611100175.5A patent/CN106469762A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646978A (en) * | 2013-12-09 | 2014-03-19 | 英利集团有限公司 | Solar cell module |
| CN204067387U (en) * | 2014-09-04 | 2014-12-31 | 西安普瑞新特能源有限公司 | A kind of photovoltaic module of anti-PID effect |
| CN104716210A (en) * | 2015-01-07 | 2015-06-17 | 友达光电股份有限公司 | Solar cell module and solar cell module |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019222949A1 (en) * | 2018-05-24 | 2019-11-28 | Covestro Deutschland Ag | Solar module with reduced PID effect |
| US11866519B2 (en) | 2018-09-18 | 2024-01-09 | Wool Research Organisation Of New Zealand Incorporated | Cellulose-containing materials |
| CN109301012A (en) * | 2018-10-09 | 2019-02-01 | 黄石金能光伏有限公司 | Anti- PID photovoltaic module and its preparation process |
| CN114584059A (en) * | 2022-05-07 | 2022-06-03 | 深圳市华宝新能源股份有限公司 | Solar module packaged by frame and packaging method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170301 |