CN104851933A - Solar cell - Google Patents
Solar cell Download PDFInfo
- Publication number
- CN104851933A CN104851933A CN201510246632.0A CN201510246632A CN104851933A CN 104851933 A CN104851933 A CN 104851933A CN 201510246632 A CN201510246632 A CN 201510246632A CN 104851933 A CN104851933 A CN 104851933A
- Authority
- CN
- China
- Prior art keywords
- film layer
- solar cell
- rete
- silica gel
- pet 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
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229920002799 BoPET Polymers 0.000 claims abstract description 19
- 239000000741 silica gel Substances 0.000 claims abstract description 17
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 4
- 230000005693 optoelectronics Effects 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 239000004611 light stabiliser Substances 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical group C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000002834 transmittance 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
- H01L31/04—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)
Abstract
Provided in the invention is a solar cell comprising a junction box, a plasma layer, a silica gel unit, and a back panel. The plasma layer is arranged between the junction box and the silica gel unit; and the junction box is connected with the back panel by the silica gel. The back panel consists of a transparent weather-resistant PC film layer, PET film layer, a bonding layer, and an enhancement film layer for absorbing ultraviolet light of 10 to 400 nm, wherein the components are successively arranged from top to bottom; the transparent weather-resistant PC film layer coats the PET film layer; and the two sides of the bonding layer are in contact with the PET film layer and the enhancement film layer. According to the invention, the junction box and the back panel are combined firmly; the photoelectric conversion efficiency is high; and the cost is low.
Description
Technical field
The present invention relates to technical field of solar, particularly a kind of solar cell.
Background technology
In recent years, environmental pollution has caused global concern, and the greenhouse effect caused by the carbon dioxide especially discharged by mineral matter fuel combustion are a serious problem especially.Therefore, people wish to develop non-polluting energy sources strongly.As novel energy, can there is inexhaustible, nexhaustible, pollution-free, non-harmful feature and enjoy global concern, and realizing the industrialization of energy conversion very much.At present, one of people's Main Means utilizing solar energy is, utilizes solar cell to carry out photoelectric conversion to solar energy, solar energy is changed into electric energy.
Existingly can generally comprise terminal box and backboard by battery very much, silica gel is adopted to be connected between terminal box with backboard, in process of production, inevitably the surface that contacts with silica gel of terminal box is unclean, and because terminal box is that plastics material is made, the face that terminal box contacts with silica gel is comparatively level and smooth, causes the caking ability of terminal box and silica gel inadequate, thus it is firm not to make terminal box be combined with backboard, terminal box easily comes off.
In addition, current commercialization crystal silicon solar energy battery dominant absorption utilizes the visible ray of 400-700nm, light for the ultra-violet bands lower than 400nm does not absorb substantially, the energy of part sunlight is caused not to be used effectively, this have impact on the efficiency of solar cell to a certain extent, make the efficiency of Current commercial crystal silicon solar energy battery substantially be in 14%-17%, under the level of production of existing commercialization crystalline silicon, difficulty has and improves greatly.Therefore, the optoelectronic transformation efficiency of solar cell of the prior art is low.
Further, the weathering layer of the backboard of solar cell of the prior art is made up of fluorine resin, expensive, thus causes the cost of solar cell higher.
Summary of the invention
In view of this, the object of this invention is to provide that a kind of terminal box is combined with backboard more firmly, optoelectronic transformation efficiency is high and the solar cell that cost is low.
The invention provides a kind of solar cell, comprise terminal box, plasmasphere, silica gel and backboard, wherein, described plasmasphere is arranged between described terminal box and described silica gel, and described terminal box is connected with described backboard by described silica gel; Described backboard comprises the transparent weatherability PC rete, PET film layer, tack coat and the synergy rete for the ultraviolet light that absorbs 10-400nm that set gradually from top to bottom, described transparent weatherability PC rete is coated on PET film layer, and the two sides of described tack coat is closed with described PET film layer and described synergistic film laminating respectively.
Further, the thickness of described transparent weatherability PC rete is 30-50um.
Further, the thickness of described PET film layer is 100-400um.
Further, the thickness of described tack coat is 5-30um.
Further, the thickness of described synergy rete is 15-150um.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The terminal box of solar cell of the present invention is combined with backboard more firmly, optoelectronic transformation efficiency is high and cost is low.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention too can the structural representation of battery.
Fig. 2 is the structural representation of the backboard in Fig. 1.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment also with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
Please refer to Fig. 1 and Fig. 2, the solar cell that the embodiment of the present invention provides, comprise terminal box 1, plasmasphere 2, silica gel 3 and backboard 4.Wherein, plasmasphere 2 is arranged between terminal box 1 and silica gel 3, and terminal box 1 is connected with backboard 4 by silica gel 3.Backboard 4 comprises the transparent weatherability PC rete 41, PET film layer 42, tack coat 43 and the synergy rete 44 that set gradually from top to bottom.It should be noted that, the face that terminal box 1 contacts with silica gel 3 adopts conventional plasma spraying to reach setting-up time (such as 3 seconds), add the frictional property of terminal box 1 and silica gel 3 joint face, thus strengthen the caking ability of terminal box 1 and silica gel 3, make terminal box 1 more firm with the combination of backboard 4, terminal box 1 difficult drop-off.In addition, transparent weatherability PC rete 41 is coated on PET film layer 42, namely transparent weatherability PC rete 41 by transparent weatherability PC applying coating in PET film layer 42, film forming after drying solidification, enhance the caking property between transparent weatherability PC rete 41 and PET film layer 42, weatherability and the barrier property to steam and oxygen, ensure that the useful life of backboard 4, and the thickness of backboard 4 can be reduced.Fit with PET film layer 42 and synergy rete 44 respectively in the two sides of tack coat 43.Synergy rete 44 is for absorbing the ultraviolet light of 10-400nm, and the light wave that the existing cell piece of energy conversion cannot transform, widens solar spectral sorption enhanced scope, the electricity conversion of solar cell of the present invention is improved.Meanwhile, the transparent weatherability PC rete 41 utilizing price lower replaces expensive fluorine-containing rete, reduces the cost of backboard 4, thus reduces the cost of solar cell of the present invention.
Transparent weatherability PC film 1 of the present invention, by weight portion be the Merlon of 90-110 part, the ultraviolet absorber of 0.1-10 part, 0.1-10 part ultraviolet light screener, the light stabilizer of 0.1-1 part, the modify polymeric resins of 1-10 part form; Wherein, ultraviolet absorber is benzophenone class and BTA, is selected from the one in UV-234, UV-326 or UV-1577; Ultraviolet light screener is inorganic nano ultraviolet light screener, is selected from TiO2 or ZnO; Light stabilizer is hindered amine as light stabilizer, is selected from the one in 944,977 or 622.Select the PC wearing layer 1 of above formula; ensure that solar cell is had good weatherability, ageing-resistant, resistance to rainwater, UV resistant, high-low temperature resistant, the corrosion of resistance to solute and insulating properties etc. by rear panel compound film; various excellent performance, has long-acting lasting defencive function to solar module.
Particularly, in the present embodiment, the film that synergy rete 44 is is matrix resin with vistanex and adhesion resin, and synergy rete 44 also adds fluorescer, can absorb the ultraviolet light of 10-400nm.
In other embodiments, the film that synergy rete 44 is is matrix resin with LLDPE and ethylene-vinyl acetate copolymer, and synergy rete 44 also adds fluorescer, can absorb the ultraviolet light of 10-400nm.
In other embodiments, the film that synergy rete 44 is is matrix resin with high density polyethylene (HDPE), ethylene-propylene copolymer and ethylene-vinyl acetate copolymer, and synergy rete 44 also adds fluorescer, can absorb the ultraviolet light of 10-400nm.
In other embodiments, the film that synergy rete 44 is is matrix resin with low density polyethylene (LDPE), polypropylene and ethylene-vinyl acetate copolymer, and synergy rete 44 also adds fluorescer, can absorb the ultraviolet light of 10-400nm.
In the present embodiment, the thickness of transparent weatherability PC rete 41 is 30-50um, and the light transmittance of the transparent weatherability PC rete 41 in this thickness range is good, makes the photoelectric conversion rate of solar cell of the present invention high.For making the present invention reach best result of use, the thickness of transparent weatherability PC rete 41 is 40um.
In the present embodiment, the thickness of PET film layer 42 is 100-400um, and PET film layer 42 light transmission efficiency in this thickness range is good, makes the photoelectric conversion efficiency of solar cell of the present invention high.For making the present invention reach best result of use, the thickness of PET film layer 42 is 250um.
In the present embodiment, the thickness of tack coat 43 is 5-30um, and tack coat 43 translucent effect in this thickness range is good, and the photoelectric conversion efficiency of the solar cell of making is high.For making the present invention reach best result of use, the thickness of tack coat 43 is 20um.
In the present embodiment, the thickness of synergy rete 44 is 15-150um, and synergy rete 44 light transmission efficiency in this thickness range is good, makes the photoelectric conversion efficiency of solar cell of the present invention high.For making the present invention reach best result of use, the thickness of synergy rete 44 is 75um.
The invention has the beneficial effects as follows: the terminal box of solar cell of the present invention is combined with backboard more firmly, optoelectronic transformation efficiency is high and cost is low.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should comprise within the scope of the present invention.
Claims (5)
1. a solar cell, it is characterized in that, comprise terminal box (1), plasmasphere (2), silica gel (3) and backboard (4), wherein, described plasmasphere (2) is arranged between described terminal box (1) and described silica gel (3), and described terminal box (1) is connected with described backboard (4) by described silica gel (3); Described backboard (4) comprise set gradually from top to bottom transparent weatherability PC rete (41), PET film layer (42), tack coat (43) and the synergy rete (44) for the ultraviolet light that absorbs 10-400nm, described transparent weatherability PC rete (41) is coated on PET film layer (42), fits with described PET film layer (42) and described synergy rete (44) respectively in the two sides of described tack coat (43).
2. solar cell according to claim 1, is characterized in that: the thickness of described transparent weatherability PC rete (41) is 30-50um.
3. solar cell according to claim 1, is characterized in that: the thickness of described PET film layer (42) is 100-400um.
4. solar cell according to claim 1, is characterized in that: the thickness of described tack coat (43) is 5-30um.
5. solar cell according to claim 1, is characterized in that: the thickness of described synergy rete (44) is 15-150um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246632.0A CN104851933A (en) | 2015-05-15 | 2015-05-15 | Solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246632.0A CN104851933A (en) | 2015-05-15 | 2015-05-15 | Solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104851933A true CN104851933A (en) | 2015-08-19 |
Family
ID=53851432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510246632.0A Pending CN104851933A (en) | 2015-05-15 | 2015-05-15 | Solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104851933A (en) |
-
2015
- 2015-05-15 CN CN201510246632.0A patent/CN104851933A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cui Dezhu Inventor before: Xu Weiming |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161010 Address after: Zhujiang Road Wuzhong District Mudu town of Suzhou city in Jiangsu province 215000 No. 368 Applicant after: The Suzhou Coude Instrument Ltd. that traces to the source Address before: East bank in the town of Suzhou high tech Development Zone in Jiangsu Province under a bridge 215000 Applicant before: Gensheng Painting Engineering Co., Ltd., Suzhou City |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |