CN109148630A - A kind of two-sided double glass photovoltaic modulies - Google Patents
A kind of two-sided double glass photovoltaic modulies Download PDFInfo
- Publication number
- CN109148630A CN109148630A CN201811105869.7A CN201811105869A CN109148630A CN 109148630 A CN109148630 A CN 109148630A CN 201811105869 A CN201811105869 A CN 201811105869A CN 109148630 A CN109148630 A CN 109148630A
- Authority
- CN
- China
- Prior art keywords
- sided
- light
- double
- solar battery
- transmissive film
- 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
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- 239000011521 glass Substances 0.000 title claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 241000446313 Lamella Species 0.000 claims abstract description 12
- 239000002313 adhesive film Substances 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims abstract description 8
- 229920002799 BoPET Polymers 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000009466 transformation Effects 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
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- 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
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- 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
- Y02E10/52—PV systems with concentrators
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)
Abstract
The invention discloses a kind of two-sided double glass photovoltaic modulies, including the preceding glass sheet stacked gradually from top to bottom, first packaging adhesive film, battery lamella, second packaging adhesive film and back-panel glass, the battery lamella includes multiple double-sided solar battery pieces of tiling setting, the battery lamella further includes the light-transmissive film being set between the adjacent double-sided solar battery piece, there is interval between adjacent double-sided solar battery piece, the light-transmissive film has the ontology of the marginal portion for being fixedly connected on the adjacent double-sided solar battery piece and the corresponding interval, the ontology of the light-transmissive film is respectively formed with reflective metal layer on the front and back, increase the utilization rate of incident light, lifting assembly power, and cell piece will not be blocked.
Description
Technical field
The invention belongs to area of solar cell, and in particular to a kind of two-sided double glass photovoltaic modulies.
Background technique
Increase again as the continuous innovation of photovoltaic technology, photovoltaic industry circle and research institution promote photovoltaic module power in the recent period
Strong attention rate.With double-side cell technology maturation and solar double-glass assemblies long-life, low cost the features such as, the city of two-sided double glass
Field demand is increasing.Due to two-sided double glass generating electricity on two sides, the design of demand component is unobstructed to cell backside, for conventional double glass
Synergisting method, as back side white EVA method has been not suitable for.The conventional method for increasing two-sided double glass power in the industry at present is: back
Face applies the high anti-glass of glaze using part white, while meeting high reflecting rate, reduces to the greatest extent and blocks to cell backside, but should
Method accounts for about 40% or so to the shielded area of cell backside, still has a certain impact to the power generation of the double-side assembly back side.
Summary of the invention
In view of the above technical problems, the present invention is intended to provide a kind of two-sided double glass photovoltaic modulies, increase the utilization of incident light
Rate, lifting assembly power, and cell piece will not be blocked.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
A kind of two-sided double glass photovoltaic modulies, including preceding glass sheet, the first packaging adhesive film, cell piece stacked gradually from top to bottom
Layer, the second packaging adhesive film and back-panel glass, the battery lamella includes multiple double-sided solar battery pieces of tiling setting, described
Battery lamella further includes the light-transmissive film being set between the adjacent double-sided solar battery piece, adjacent double-sided solar battery piece
Between there is interval, the light-transmissive film, which has, is fixedly connected on the marginal portion of the adjacent double-sided solar battery piece and right
The ontology at the interval is answered, the ontology of the light-transmissive film is respectively formed with reflective metal layer on the front and back.
Further, the reflective metal layer includes multiple protrusions.
Further, the protrusion is triangular pyramid or triangular prism shaped.
Further, the reflective metal layer is silver metal layer or copper metal layer.
Further, the light-transmissive film is transparent PET film.
Further, the marginal portion of the light-transmissive film is fixedly connected on the back side of the double-sided solar battery piece.
Further, the marginal portion of the light-transmissive film is bonded in the double-sided solar battery piece by pressure sensitive
The back side.
Further, the interval is all had between the arbitrary neighborhood two double-sided solar battery pieces, it is each described
Interval is equipped with the light-transmissive film.
The present invention uses above scheme, has the advantages that compared with prior art
Light-transmissive film, and the front and back of the light transmission membrane body in corresponding gap are fixedly connected between double-sided solar battery piece
Be arranged reflective metal layer, make full use of cell piece gap, to be incident on component light realize total reflection, secondary reflect to it is two-sided too
Positive energy cell piece on the front and back, increases the utilization rate of incident light, thus lifting assembly power.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of technical solution of the present invention
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic cross-section of photovoltaic module in the prior art；
Fig. 2 is the schematic cross-section of the two-sided double glass photovoltaic modulies of one kind according to the present invention；
Fig. 3 is the cross-sectional view of light-transmissive film in Fig. 2, reflective metal layer and pressure sensitive.
Wherein, 1, preceding glass sheet；2, the first encapsulated layer；3, battery lamella；31, double-sided solar battery piece；32, it is spaced；
33, light-transmissive film；34, reflective metal layer；35, pressure sensitive；4, the second encapsulated layer；5, back-panel glass.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be understood by the person skilled in the art.It should be noted that the explanation for these embodiments is used to help
Understand the present invention, but and does not constitute a limitation of the invention.In addition, involved in the various embodiments of the present invention described below
And to technical characteristic can be combined with each other as long as they do not conflict with each other.
Fig. 1 show a kind of photovoltaic module in the prior art, which includes before stacking gradually from top to bottom
Glass sheet 1, the first encapsulated layer 2, battery lamella 3, the second encapsulated layer 4 and back-panel glass 5.Arrow show the road of light in Fig. 1
Diameter, the light injected between cell piece are directly pierced by component, light utilization after the second encapsulated layer 4 and back-panel glass 5 reflect
It is not high.
Fig. 2 show the two-sided double glass photovoltaic modulies of one kind according to the present invention, which includes from upper
Preceding glass sheet 1, the first encapsulated layer 2, battery lamella 3, the second encapsulated layer 4 and the back-panel glass 5 stacked gradually under, wherein first
Encapsulated layer 2 is specially the first packaging adhesive film, and the second encapsulated layer 4 is specially the second packaging adhesive film.Battery lamella 3 includes tiling setting
Multiple double-sided solar battery pieces 31, battery lamella 3 further include be set to it is saturating between adjacent double-sided solar battery piece 31
Light film 33.As shown in Fig. 2, having interval 32 between adjacent double-sided solar battery piece 31, light-transmissive film 33, which has, to be fixedly connected on
The ontology of the marginal portion of adjacent double-sided solar battery piece 31 and corresponding interval 32, the front of the ontology of light-transmissive film 33 and back
It is as shown in Figure 3 that reflective metal layer 34(is respectively formed on face).Arrow show the path of light in Fig. 2, injects cell piece
Interval 32 in light through the positive reflective metal layer 34 of light-transmissive film 33 and the reflective metal layer 34 at the back side reflection after, then respectively by
On preceding glass sheet 1, back-panel glass 5 secondary reflection to double-sided solar battery piece 31, the utilization rate of light is improved.
As shown in figure 3, light-transmissive film 33 is transparent PET film.The marginal portion of light-transmissive film 33 is fixedly connected on double-sided solar
The back side of cell piece 31 is bonded in the back side of double-sided solar battery piece 31 especially by high temperature pressure sensitive 35.Light-transmissive film 33
The reflective metal layer 34 of front and back includes multiple protrusions, and multiple array of protrusions formula distributions, the section of each protrusion is respectively
Triangle, protrusion is triangular pyramid or triangular prism shaped, and the one side for the triangular pyramid or triangular prism for being in is fitted in light-transmissive film 33
On.Wherein, the protrusion on 33 front of light-transmissive film upwardly extends, and the protrusion on 33 back side of light-transmissive film extends downwardly.
Reflective metal layer 34 is high reflecting metal film, preferably silver metal layer or copper metal layer, itself has preferable antioxygen
Change performance.Reflective metal layer 34 is formed on light-transmissive film 33 especially by vacuum coating.
It should be noted that: interval 32 is all had between two double-sided solar battery pieces 31 of arbitrary neighborhood, between each
Light-transmissive film 33 is equipped at 32.
Two-sided double glass photovoltaic modulies of the invention, in the special reflectorized material of the gap filling of double-sided solar battery piece 31,
Cell piece gap is made full use of, total reflection is realized to the light for being incident on component, secondary reflects on cell piece, increases incident light
Utilization rate, thus lifting assembly power.The working principle of above-mentioned special reflectorized material are as follows: in the front of transparent PET light-transmissive film 33
It is respectively formed the microcosmic catoptric arrangement of triangle with the back side, high reflecting metal film is specifically plated using vacuum coating technology, realization is all-trans
It penetrates；Positive back side triangle total reflection design, not only plays the role of multiple reflections to component front incident light, also enters to module backside
It penetrates light and plays the role of multiple reflections, promote double-side assembly to the utilization rate of incident light and reflected light, to promote two-sided double glass light
Lie prostrate the positive back side power output of component.The utilization rate that two-sided double glass photovoltaic modulies front incident light can not only be promoted, can also be promoted
The utilization rate of two-sided double glass photovoltaic module back reflected lights, to promote the power about 3% or so of two-sided double glass photovoltaic modulies.
The above embodiments merely illustrate the technical concept and features of the present invention, is a kind of preferred embodiment, and purpose exists
It cans understand the content of the present invention and implement it accordingly in person skilled in the art, protection of the invention can not be limited with this
Range.Equivalent transformation or modification made by all principles according to the present invention, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of two-sided double glass photovoltaic modulies, including preceding glass sheet, the first packaging adhesive film, cell piece stacked gradually from top to bottom
Layer, the second packaging adhesive film and back-panel glass, the battery lamella includes multiple double-sided solar battery pieces of tiling setting, special
Sign is: the battery lamella further includes the light-transmissive film being set between the adjacent double-sided solar battery piece, adjacent two-sided
There is interval, the light-transmissive film, which has, is fixedly connected on the adjacent double-sided solar battery piece between solar battery sheet
The ontology of marginal portion and the corresponding interval, the ontology of the light-transmissive film are respectively formed with reflecting metal on the front and back
Layer.
2. two-sided double glass photovoltaic modulies according to claim 1, it is characterised in that: the reflective metal layer includes multiple convex
It rises.
3. two-sided double glass photovoltaic modulies according to claim 2, it is characterised in that: the protrusion is triangular pyramid or trigone
Cylindricality.
4. two-sided double glass photovoltaic modulies according to claim 1, it is characterised in that: the reflective metal layer is silver metal layer
Or copper metal layer.
5. two-sided double glass photovoltaic modulies according to claim 1, it is characterised in that: the light-transmissive film is transparent PET film.
6. two-sided double glass photovoltaic modulies according to claim 1, it is characterised in that: the marginal portion of the light-transmissive film is fixed
It is connected to the back side of the double-sided solar battery piece.
7. two-sided double glass photovoltaic modulies according to claim 6, it is characterised in that: the marginal portion of the light-transmissive film passes through
Pressure sensitive is bonded in the back side of the double-sided solar battery piece.
8. two-sided double glass photovoltaic modulies according to claim 1, it is characterised in that: the arbitrary neighborhood two two-sided sun
The interval can be all had between cell piece, each interval is equipped with the light-transmissive film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811105869.7A CN109148630A (en) | 2018-09-21 | 2018-09-21 | A kind of two-sided double glass photovoltaic modulies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811105869.7A CN109148630A (en) | 2018-09-21 | 2018-09-21 | A kind of two-sided double glass photovoltaic modulies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109148630A true CN109148630A (en) | 2019-01-04 |
Family
ID=64822981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811105869.7A Pending CN109148630A (en) | 2018-09-21 | 2018-09-21 | A kind of two-sided double glass photovoltaic modulies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109148630A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021072298A (en) * | 2019-10-29 | 2021-05-06 | 京セラ株式会社 | Solar cell module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006286789A (en) * | 2005-03-31 | 2006-10-19 | Sanyo Electric Co Ltd | Solar battery module |
| US20090223554A1 (en) * | 2008-03-05 | 2009-09-10 | Emcore Corporation | Dual Sided Photovoltaic Package |
| CN204538042U (en) * | 2015-03-04 | 2015-08-05 | 南通美能得太阳能电力科技有限公司 | A kind of double-sided solar battery assembly |
| CN104868001A (en) * | 2015-06-17 | 2015-08-26 | 河海大学常州校区 | Novel two-sided photovoltaic solar cell module |
| CN205069654U (en) * | 2015-11-09 | 2016-03-02 | 阿特斯(中国)投资有限公司 | Solar module and backplate glass thereof |
| CN106129159A (en) * | 2016-07-26 | 2016-11-16 | 无锡中洁能源技术有限公司 | The solar cell backboard that a kind of reflecting properties is good |
-
2018
- 2018-09-21 CN CN201811105869.7A patent/CN109148630A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006286789A (en) * | 2005-03-31 | 2006-10-19 | Sanyo Electric Co Ltd | Solar battery module |
| US20090223554A1 (en) * | 2008-03-05 | 2009-09-10 | Emcore Corporation | Dual Sided Photovoltaic Package |
| CN204538042U (en) * | 2015-03-04 | 2015-08-05 | 南通美能得太阳能电力科技有限公司 | A kind of double-sided solar battery assembly |
| CN104868001A (en) * | 2015-06-17 | 2015-08-26 | 河海大学常州校区 | Novel two-sided photovoltaic solar cell module |
| CN205069654U (en) * | 2015-11-09 | 2016-03-02 | 阿特斯(中国)投资有限公司 | Solar module and backplate glass thereof |
| CN106129159A (en) * | 2016-07-26 | 2016-11-16 | 无锡中洁能源技术有限公司 | The solar cell backboard that a kind of reflecting properties is good |
Non-Patent Citations (3)
| Title |
|---|
| 丁浩主编: "《塑料应用技术》", 31 January 1999, 化学工业出版社, pages: 812 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021072298A (en) * | 2019-10-29 | 2021-05-06 | 京セラ株式会社 | Solar cell module |
| JP7274398B2 (en) | 2019-10-29 | 2023-05-16 | 京セラ株式会社 | solar module |
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