CN107742658A - A kind of solar-energy photo-voltaic cell - Google Patents
A kind of solar-energy photo-voltaic cell Download PDFInfo
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- CN107742658A CN107742658A CN201711106652.3A CN201711106652A CN107742658A CN 107742658 A CN107742658 A CN 107742658A CN 201711106652 A CN201711106652 A CN 201711106652A CN 107742658 A CN107742658 A CN 107742658A
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- 239000011521 glass Substances 0.000 claims abstract description 100
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000000428 dust Substances 0.000 claims abstract description 45
- 229910052709 silver Inorganic materials 0.000 claims abstract description 39
- 239000004332 silver Substances 0.000 claims abstract description 39
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 15
- 239000011256 inorganic filler Substances 0.000 claims abstract description 14
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 14
- 239000002002 slurry Substances 0.000 claims description 36
- 239000000843 powder Substances 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 23
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 20
- 238000000498 ball milling Methods 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 239000003960 organic solvent Substances 0.000 claims description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 10
- 229910021542 Vanadium(IV) oxide Inorganic materials 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 10
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 10
- GRUMUEUJTSXQOI-UHFFFAOYSA-N vanadium dioxide Chemical compound O=[V]=O GRUMUEUJTSXQOI-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 235000011187 glycerol Nutrition 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000003208 petroleum Substances 0.000 claims description 7
- 239000004014 plasticizer Substances 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- 239000000292 calcium oxide Substances 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- 229920000178 Acrylic resin Polymers 0.000 claims description 5
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- XOLBLPGZBRYERU-UHFFFAOYSA-N SnO2 Inorganic materials O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 5
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052593 corundum Inorganic materials 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 239000011780 sodium chloride Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 229910052682 stishovite Inorganic materials 0.000 claims description 5
- 229910052905 tridymite Inorganic materials 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000005336 safety glass Substances 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 2
- GDSOZVZXVXTJMI-SNAWJCMRSA-N (e)-1-methylbut-1-ene-1,2,4-tricarboxylic acid Chemical compound OC(=O)C(/C)=C(C(O)=O)\CCC(O)=O GDSOZVZXVXTJMI-SNAWJCMRSA-N 0.000 claims 1
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 230000009466 transformation Effects 0.000 abstract description 10
- 230000007613 environmental effect Effects 0.000 abstract description 7
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- 230000008901 benefit Effects 0.000 abstract description 5
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052753 mercury Inorganic materials 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 3
- 239000005357 flat glass Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 16
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 8
- 239000003292 glue Substances 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 4
- UDSFAEKRVUSQDD-UHFFFAOYSA-N Dimethyl adipate Chemical compound COC(=O)CCCCC(=O)OC UDSFAEKRVUSQDD-UHFFFAOYSA-N 0.000 description 4
- 229960005070 ascorbic acid Drugs 0.000 description 4
- 235000010323 ascorbic acid Nutrition 0.000 description 4
- 239000011668 ascorbic acid Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 4
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- CGKQZIULZRXRRJ-UHFFFAOYSA-N Butylone Chemical compound CCC(NC)C(=O)C1=CC=C2OCOC2=C1 CGKQZIULZRXRRJ-UHFFFAOYSA-N 0.000 description 1
- 229910006217 ZrO27 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
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- 239000002210 silicon-based material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Classifications
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- 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
- H01L31/0543—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 refractive type, e.g. lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- 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
-
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of solar-energy photo-voltaic cell, including：Front electrode and glass panel, the glass panel are arranged on the front of front electrode.The glass panel surface of the solar-energy photo-voltaic cell of the present invention is no longer traditional plate glass, but section is the condenser lens of arc, so as to improve the light-gathering to sunshine；More importantly it is, a pair of speculums are symmetrically installed with the two of which long side of frame, and storage light coating is coated with speculum, so as to add the exposure intensity in solar-energy photo-voltaic cell unit area, so as to improve the utilization rate of sunshine, and then photoelectric transformation efficiency is improved, greatly promoted the generated energy of solar-energy photo-voltaic cell.The front electrode that the present invention is prepared simultaneously is a kind of environment-friendly materials with environmentally friendly silver paste, wherein the heavy metal material such as not leaded, mercury, small to human body and environmental hazard；Moreover, in the case of total silver content identical, electrical property can be significantly improved by adding appropriate silver-colored bag glass dust and inorganic filler, so as to obtain better economic benefit.
Description
Technical field
The present invention relates to a kind of solar-energy photo-voltaic cell；Belong to solar-energy photo-voltaic cell technical field.
Background technology
Solar-energy photo-voltaic cell be it is a kind of have to light respond and can convert light energy into the device of electric power, when light irradiation too
During positive electricity pool surface, a part of photon is absorbed by silicon materials；The energy transmission of photon has given silicon atom, is got over electronics
Move, turn into free electron and gather in P-N junction both sides and form potential difference, when circuit is connected in outside, in the presence of the voltage,
Electric current will be had and flow through the certain power output of external circuit generation.The essence of this process is：Photon energy is converted into electricity
The process of energy.
It can be seen that solar-energy photo-voltaic cell, which is one kind, takes full advantage of renewable resource --- the new device of solar energy, it is many
Well known, sun energy content is very big, but the electric energy of human use's solar energy hair manufacture accounts for global energy wastage in bulk or weight now
Ratio is also fairly small, and only about 0.16%.To find out its cause, mainly there is the following aspects：(1), solar-energy photo-voltaic cell is ground
Hair input is big, technical threshold is high；(2), the photoelectric transformation efficiency of solar-energy photo-voltaic cell is relatively low, causes cost of electricity-generating height.
In view of the foregoing, actively develop the solar panel panel of lower price high efficiency, improve photoelectric conversion rate, will be favourable
In solving world energy sources and environmental crisis, there is very big use value and realistic meaning.
Conductive silver paste used for solar batteries of the prior art is by originals such as silver powder, glass glue, organic solvents mostly
Material is prepared by different ratio, and wherein silver powder is as conducting medium；Glass glue melts in high temperature sintering, in silver powder
Ohmic contact is formed between silicon base；Organic solvent mainly plays a part of scattered and wrapped up, and silver powder particles are uniformly wrapped up
Get up so that the silver powder in conductive silver paste is not allowed to be also easy to produce precipitation and oxidation.
Conductive silver paste is most important for the performance of solar-energy photo-voltaic cell, is mostly in the prior art to lead to its Research Emphasis
Electrical property and opto-electronic conversion performance, and its feature of environmental protection is paid close attention to seldom.Lead proportion is higher in existing conductive silver paste, to environment
Pollute larger, do not meet environmental requirement.In the case where solar cell becomes increasingly popular, leaded solar cell conductive silver paste
Using will necessarily be phased out, it is necessary to develop the environment-friendlyconductive conductive silver paste of high conduction performance, while to be also directed to reducing silver paste
Cost, to meet large solar battery production demand.
The content of the invention
To solve the deficiencies in the prior art, can utilize it is an object of the invention to provide a kind of environmental protection and substantially efficiently too
The solar-energy photo-voltaic cell of positive energy.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of solar-energy photo-voltaic cell, including：Front electrode and glass panel, the glass panel are arranged on front electrode
Front, the glass panel includes：Substrate, the panel body being layed on substrate and the side for being packaged in panel body surrounding
Frame, the panel body include：The solar battery sheet arranged with multiple arrays of substrate bonding and by solar cell
Several strip condenser lenses that piece is completely covered, a pair of speculums are symmetrically installed with the two of which long side of the frame,
Storage light coating is coated with the speculum；The front electrode includes environmentally friendly silver paste, and the environmentally friendly silver paste is by tri- kinds of slurries of A, B, C
The quality ball millings such as material are mixed, wherein, A slurries include each component of following parts by weight：Ball shape silver powder 20-30 parts, sheet silver
Powder 15-20 parts, A glass dust 5-12 parts, nanometer aluminium powder 5-8 parts and glycerine 15-40 parts；B slurries include each group of following parts by weight
Point：Silver-colored bag glass dust 10-25 parts, petroleum ether 5-10 parts and acrylic resin 2-5 parts；C slurries include each group of following parts by weight
Point：Organic solvent 10-30 parts, inorganic filler 5-15 parts and plasticizer 8-15 parts.
More preferably, the average grain diameter of foregoing ball shape silver powder is 100-800nm.
It is highly preferred that the average grain diameter of foregoing flake silver powder is 2-6 μm, tap density 4.0-4.5g/cm3。
It is further preferred that foregoing A glass dust includes each component of following parts by weight：SnO215-30 parts, Bi2O310-40
Part, TiO23-9 parts, Al2O310-20 parts, SiO28-12 parts, CaO1-5 parts, ZrO22-7 parts.
Preferably, the preparation method of foregoing A glass dust is as follows：Each raw material is weighed by aforementioned component proportioning, is put into vibrations ball
Grinding machine ball milling 1-2h, the mixture of ball milling are placed in sintering 0.5-1h in 800-900 DEG C of high temperature sintering furnace, ground after natural cooling
Mill, 200-300 mesh sieves are crossed, obtain A glass dust.
More preferably, the average grain diameter of foregoing nanometer aluminium powder is 50-80nm.
It is highly preferred that the preparation method of foregoing silver-colored bag glass dust is：A glass dust is cleaned under ultrasonic environment,
Upper strata cleaning solution is poured off, obtains glass frit suspension；Glass frit suspension is placed in sodium chloride solution after ultrasonic wave cleaning,
Stand to powder and settle, separation of solid and liquid, obtain modified glass powder；Modified glass powder is added in silver nitrate solution, is in temperature
After stirring simultaneously adds ascorbic acid solution as reducing agent reaction into silver nitrate solution simultaneously at 40-60 DEG C, precipitate and centrifuge
Washing and filtering, drying obtain silver-colored bag glass dust.
It is further preferred that aforementioned organic solvents are included in dimethyl adipate, butyl glycol ether and butyl
One or more.
Yet further, aforementioned inorganic filler is made up of mass mixings such as calcium oxide, titanium dioxide and montmorillonites.
In addition, the invention also discloses the preparation side of the foregoing environmentally friendly silver paste of solar-energy photo-voltaic cell front electrode
Method：The mass mixings such as tri- kinds of slurries of A, B, C are placed in ball mill, are ground to slurry fineness less than 10 μm, produce solar energy
Lie prostrate battery silver paste.
Preferably, it is Nian Jie by the realization of EVA glue between aforesaid base plate and solar battery sheet.
It is highly preferred that foregoing frame is made up of aluminium, and seam crossing is coated with fluid sealant, so as to effectively prevent seam crossing
Generation leak, influence the normal use of solar-energy photo-voltaic cell.
More preferably, foregoing solar battery sheet is hull cell piece or amorphous silicon battery piece.
It is highly preferred that the width of foregoing condenser lens is consistent with the width of solar battery sheet.
Further, foregoing speculum is arc curve mirror, a pair of arc mirrors made of the silver-plated ultrawhite safety glass in the back side
Extend bending facing to direction away from each other, the utilization rate of sunshine can be improved by speculum.
Yet further, the silicon nitride coating that foregoing storage light coating has nano vanadium dioxide by inner dispersion is made, described
The average grain diameter of nano vanadium dioxide is 50-80nm, and the thickness of the storage light coating is 15-40 μm, so as to further improve light
Photoelectric transformation efficiency.
In addition, the invention also discloses a kind of foregoing side of concentrating solar photovoltaic cell glass panel of manufacture
Method, comprise the following steps：
S1, one layer of EVA glue-line is laid on substrate, solar battery sheet is layed on substrate and is laminated, then again too
Positive energy cell piece surface bonding covering strip condenser lens；
S2, frame is packaged in panel body surrounding, the seam crossing of frame is coated with fluid sealant；
S3, a pair of speculums are installed on two long margin frames, and are coated with a strata light coating on the mirror simultaneously in advance
Drying.
Preferably, aforementioned seal glue is epoxide-resin glue or polyurethane adhesive.
The present invention is advantageous in that：The glass panel surface of the solar-energy photo-voltaic cell of the present invention is no longer traditional
Plate glass, but section is the condenser lens of arc, so as to improve the light-gathering to sunshine；More importantly it is,
A pair of speculums are symmetrically installed with the two of which long side of frame, and storage light coating is coated with speculum, so as to increase
Exposure intensity in solar-energy photo-voltaic cell unit area, so as to improve the utilization rate of sunshine, and then improves photoelectricity
Conversion efficiency, greatly promoted the generated energy of solar-energy photo-voltaic cell.The front electrode that the present invention is prepared simultaneously
It is a kind of environment-friendly materials with environmentally friendly silver paste, wherein the heavy metal material such as not leaded, mercury, small to human body and environmental hazard；Moreover,
In the case of total silver content identical, electrical property can be significantly improved by adding appropriate silver-colored bag glass dust and inorganic filler, so as to obtain
Obtain better economic benefit.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the glass panel of the solar-energy photo-voltaic cell of the present invention.
The implication of reference in figure：1st, substrate, 2, frame, 3, solar battery sheet, 4, condenser lens, 5, speculum.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
The solar-energy photo-voltaic cell of the present invention, including：Front electrode and glass panel, glass panel are arranged on front electrode
Front.
Glass panel embodiment 1
The concentrating solar photovoltaic cell glass panel of the present embodiment as shown in figure 1, including：Substrate 1, it is layed in substrate
Panel body on 1 and the frame 2 for being packaged in panel body surrounding, wherein, panel body includes：Nian Jie with substrate 1 is multiple
The solar battery sheet 3 and several strip condenser lenses 4 that solar battery sheet 3 is completely covered of array arrangement are (such as
In Fig. 1 shown in arcuate structure), improve the condenser performance to sunshine, the width of condenser lens 4 and the width of solar battery sheet 3
Degree is consistent.Wherein, solar battery sheet 3 is hull cell piece or amorphous silicon battery piece, substrate 1 and solar battery sheet 3 it
Between pass through EVA glue realize bonding；Frame 2 is made up of aluminium, and seam crossing is coated with fluid sealant, so as to effectively prevent seam crossing
Generation leak, influence the normal use of solar-energy photo-voltaic cell.
More importantly it is：A pair of speculums 5 are symmetrically installed with the two of which long side of frame 2, on speculum 5 also
It is coated with storage light coating.Specifically, speculum 5 is arc curve mirror, a pair of arcs made of the silver-plated ultrawhite safety glass in the back side
Minute surface direction extension bending remote toward each other, the utilization rate of sunshine can be improved by speculum 5.Storage light coating is by interior
The silicon nitride coating that portion is dispersed with nano vanadium dioxide is made, wherein, the average grain diameter of nano vanadium dioxide is 50nm, the storage
The thickness of light coating is 15 μm, so as to further improve photoelectric transformation efficiency.
The manufacture method of the glass panel is：
S1, one layer of EVA glue-line is laid on substrate 1, solar battery sheet 3 is layed on substrate 1 and is laminated, Ran Houzai
The surface of solar battery sheet 3 bonding covering strip condenser lens 4；
S2, frame 2 is packaged in panel body surrounding, the seam crossing of frame 2 is coated with fluid sealant, and (epoxide-resin glue is poly-
Urethane glue)；
S3, a pair of speculums 5 are installed on two long margin frames 2, and are coated with a strata light coating on speculum 5 in advance
And dry.
Glass panel embodiment 2
Its structure of the concentrating solar photovoltaic cell glass panel of the present embodiment is similar to Example 1, and difference is：Store
The silicon nitride coating that light coating has nano vanadium dioxide by inner dispersion is made, wherein, the average grain diameter of nano vanadium dioxide is
65nm, the thickness of the storage light coating is 30 μm, so as to further improve photoelectric transformation efficiency.
Manufacture method is identical with glass panel embodiment 1, repeats no more.
Glass panel embodiment 3
Its structure of the concentrating solar photovoltaic cell glass panel of the present embodiment is similar to Example 1, and difference is：Store
The silicon nitride coating that light coating has nano vanadium dioxide by inner dispersion is made, wherein, the average grain diameter of nano vanadium dioxide is
80nm, the thickness of the storage light coating is 40 μm, so as to further improve photoelectric transformation efficiency.
Manufacture method is identical with glass panel embodiment 1, repeats no more.
Glass panel comparative example 1
The solar-energy photo-voltaic cell glass panel of this comparative example includes：Substrate 1, the panel body being layed on substrate 1 and
The frame 2 of panel body surrounding is packaged in, wherein, panel body includes：The sun of the multiple arrays arrangement Nian Jie with substrate 1
Can cell piece 3 and several strip condenser lenses 4 that solar battery sheet 3 is completely covered, the width of condenser lens 4 with
The width of solar battery sheet 3 is consistent.
It is with the main distinction of glass panel embodiment 1：Speculum 5 is not installed in the two of which long side of frame 2.
Glass panel comparative example 2
The solar-energy photo-voltaic cell glass panel of this comparative example includes：Substrate 1, the panel body being layed on substrate 1 and
The frame 2 of panel body surrounding is packaged in, wherein, panel body includes：The sun of the multiple arrays arrangement Nian Jie with substrate 1
Can cell piece 3 and several strip condenser lenses 4 that solar battery sheet 3 is completely covered, the width of condenser lens 4 with
The width of solar battery sheet 3 is consistent.A pair of speculums 5 are symmetrically installed with the two of which long side of frame 2.
It is with the main distinction of glass panel embodiment 1：On speculum 5 and uncoated storage light coating.
After testing, when embodiment 1-3 solar-energy photo-voltaic cell glass panel is applied into solar cell module respectively,
Photoelectric transformation efficiency can be promoted to 65%, 70% and 62% respectively；And glass panel comparative example 1 and glass panel comparative example
2 photoelectric transformation efficiency is only respectively 47% and 41%.
Therefore solar-energy photo-voltaic cell glass panel of the invention is symmetrically pacified in the two of which long side of frame 2
Equipped with a pair of speculums 5, and storage light coating is coated with speculum 5, so as to add solar-energy photo-voltaic cell unit area
On exposure intensity, so as to improve the utilization rate of sunshine, and then improve photoelectric transformation efficiency to more than 65%, make the sun
The generated energy of energy photovoltaic cell is greatly promoted.
Environmentally friendly silver paste embodiment 1
The environmentally friendly silver paste of solar-energy photo-voltaic cell front electrode, it is mixed by quality ball millings such as tri- kinds of slurries of A, B, C, its
In, A slurries include each component of following parts by weight：25 parts of ball shape silver powder, 18 parts of flake silver powder, 10 parts of A glass dust, nanometer aluminium powder
6 parts and 30 parts of glycerine；B slurries include each component of following parts by weight：Silver-colored 20 parts of bag glass dust, 7 parts of petroleum ether and acrylic acid tree
4 parts of fat；C slurries include each component of following parts by weight：10 parts of 20 parts of organic solvent, 10 parts of inorganic filler and plasticizer.
Wherein, the average grain diameter of ball shape silver powder is 500nm；The average grain diameter of flake silver powder is 4 μm, and tap density is
4.2g/cm3, the average grain diameter of nanometer aluminium powder is 60nm；Organic solvent includes dimethyl adipate, butyl glycol ether and diethyl two
One or more in alcohol butyl ether；Inorganic filler is made up of mass mixings such as calcium oxide, titanium dioxide and montmorillonites.
In order to preferably implement the present invention, the A glass dust in the present embodiment includes each component of following parts by weight：SnO225
Part, Bi2O330 parts, TiO26 parts, Al2O315 parts, SiO210 parts, CaO3 parts, ZrO25 parts, preparation method is as follows：By aforementioned component
Proportioning weighs each raw material, is put into vibrations ball mill ball milling 1.5h, and the mixture of ball milling, which is placed in 800 DEG C of high temperature sintering furnaces, to be burnt
1h is tied, is ground after natural cooling, 300 mesh sieves is crossed, obtains A glass dust.
In addition, the preparation method of silver-colored bag glass dust is：A glass dust is cleaned under ultrasonic environment, is poured off
Layer cleaning solution, obtains glass frit suspension；Glass frit suspension is placed in sodium chloride solution after ultrasonic wave cleaning, stood to powder
Body settles, and separation of solid and liquid, obtains modified glass powder；Modified glass powder is added in silver nitrate solution, stirred at being 50 DEG C in temperature
After mixing and adding ascorbic acid solution into silver nitrate solution simultaneously as reducing agent reaction, precipitation and centrifuge washing filtering, dry
It is dry to obtain silver-colored bag glass dust.
In addition, the solar-energy photo-voltaic cell front electrode of the present embodiment is with the preparation method of environmentally friendly silver paste：By A, B, C tri-
The mass mixings such as kind slurry, are placed in ball mill, are ground to slurry fineness less than 10 μm, produce the photovoltaic of the present embodiment
Battery silver paste.
Environmentally friendly silver paste embodiment 2
The environmentally friendly silver paste of solar-energy photo-voltaic cell front electrode, it is mixed by quality ball millings such as tri- kinds of slurries of A, B, C, its
In, A slurries include each component of following parts by weight：20 parts of ball shape silver powder, 15 parts of flake silver powder, 5 parts of A glass dust, nanometer aluminium powder 5
15 parts of part and glycerine；B slurries include each component of following parts by weight：Silver-colored 10 parts of bag glass dust, 5 parts of petroleum ether and acrylic resin
2 parts；C slurries include each component of following parts by weight：10 parts of organic solvent, 5 parts of inorganic filler and plasticizer 8-15 parts.
Wherein, the average grain diameter of ball shape silver powder is 100nm；The average grain diameter of flake silver powder is 2 μm, and tap density is
4.0g/cm3, the average grain diameter of nanometer aluminium powder is 50nm；Organic solvent includes dimethyl adipate, butyl glycol ether and diethyl two
One or more in alcohol butyl ether；Inorganic filler is made up of mass mixings such as calcium oxide, titanium dioxide and montmorillonites.
In order to preferably implement the present invention, the A glass dust in the present embodiment includes each component of following parts by weight：SnO215
Part, Bi2O310 parts, TiO23 parts, Al2O310 parts, SiO28 parts, CaO1 parts, ZrO22 parts, preparation method is as follows：Match somebody with somebody by aforementioned component
Than weighing each raw material, vibrations ball mill ball milling 1h is put into, the mixture of ball milling, which is placed in 800 DEG C of high temperature sintering furnaces, to be sintered
0.5h, grind after natural cooling, cross 200 mesh sieves, obtain A glass dust.
In addition, the preparation method of silver-colored bag glass dust is：A glass dust is cleaned under ultrasonic environment, is poured off
Layer cleaning solution, obtains glass frit suspension；Glass frit suspension is placed in sodium chloride solution after ultrasonic wave cleaning, stood to powder
Body settles, and separation of solid and liquid, obtains modified glass powder；Modified glass powder is added in silver nitrate solution, stirred at being 40 DEG C in temperature
After mixing and adding ascorbic acid solution into silver nitrate solution simultaneously as reducing agent reaction, precipitation and centrifuge washing filtering, dry
It is dry to obtain silver-colored bag glass dust.
Preparation method is identical with environmentally friendly silver paste embodiment 1, is not repeated in the present embodiment.
Environmentally friendly silver paste embodiment 3
The environmentally friendly silver paste of solar-energy photo-voltaic cell front electrode, it is mixed by quality ball millings such as tri- kinds of slurries of A, B, C, its
In, A slurries include each component of following parts by weight：30 parts of ball shape silver powder, 20 parts of flake silver powder, 12 parts of A glass dust, nanometer aluminium powder
8 parts and 40 parts of glycerine；B slurries include each component of following parts by weight：Silver-colored 25 parts of bag glass dust, 10 parts of petroleum ether and acrylic acid tree
5 parts of fat；C slurries include each component of following parts by weight：15 parts of 30 parts of organic solvent, 15 parts of inorganic filler and plasticizer.
Wherein, the average grain diameter of ball shape silver powder is 800nm；The average grain diameter of flake silver powder is 6 μm, and tap density is
4.5g/cm3, the average grain diameter of nanometer aluminium powder is 80nm；Organic solvent includes dimethyl adipate, butyl glycol ether and diethyl two
One or more in alcohol butyl ether；Inorganic filler is made up of mass mixings such as calcium oxide, titanium dioxide and montmorillonites.
In order to preferably implement the present invention, the A glass dust in the present embodiment includes each component of following parts by weight：SnO230
Part, Bi2O340 parts, TiO29 parts, Al2O320 parts, SiO212 parts, CaO5 parts, ZrO27 parts, preparation method is as follows：By aforementioned component
Proportioning weighs each raw material, is put into vibrations ball mill ball milling 2h, and the mixture of ball milling, which is placed in 900 DEG C of high temperature sintering furnaces, to be sintered
1h, grind after natural cooling, cross 300 mesh sieves, obtain A glass dust.
In addition, the preparation method of silver-colored bag glass dust is：A glass dust is cleaned under ultrasonic environment, is poured off
Layer cleaning solution, obtains glass frit suspension；Glass frit suspension is placed in sodium chloride solution after ultrasonic wave cleaning, stood to powder
Body settles, and separation of solid and liquid, obtains modified glass powder；Modified glass powder is added in silver nitrate solution, stirred at being 60 DEG C in temperature
After mixing and adding ascorbic acid solution into silver nitrate solution simultaneously as reducing agent reaction, precipitation and centrifuge washing filtering, dry
It is dry to obtain silver-colored bag glass dust.
Preparation method is identical with environmentally friendly silver paste embodiment 1, is not repeated in the present embodiment.
Environmentally friendly silver paste comparative example 1
The difference of this comparative example and embodiment 1 is, specific as follows without silver-colored bag glass dust in B slurries：
The environmentally friendly silver paste of the solar-energy photo-voltaic cell front electrode of this comparative example, by quality ball millings such as tri- kinds of slurries of A, B, C
It is mixed, wherein, A slurries include each component of following parts by weight：25 parts of ball shape silver powder, 18 parts of flake silver powder, A glass dust 10
30 parts of part, 6 parts of nanometer aluminium powder and glycerine；B slurries include each component of following parts by weight：7 parts of petroleum ether and acrylic resin 4
Part；C slurries include each component of following parts by weight：10 parts of 20 parts of organic solvent, 10 parts of inorganic filler and plasticizer.
Remaining is identical with environmentally friendly silver paste embodiment 1, and here is omitted.
Environmentally friendly silver paste comparative example 2
The difference of this comparative example and embodiment 1 is, specific as follows without inorganic filler in C slurries：
The environmentally friendly silver paste of the solar-energy photo-voltaic cell front electrode of this comparative example, by quality ball millings such as tri- kinds of slurries of A, B, C
It is mixed, wherein, A slurries include each component of following parts by weight：25 parts of ball shape silver powder, 18 parts of flake silver powder, A glass dust 10
30 parts of part, 6 parts of nanometer aluminium powder and glycerine；B slurries include each component of following parts by weight：Silver-colored 20 parts of bag glass dust, 7 parts of petroleum ether
And 4 parts of acrylic resin；C slurries include each component of following parts by weight：10 parts of 20 parts of organic solvent and plasticizer.
Remaining is identical with environmentally friendly silver paste embodiment 1, and here is omitted.
Performance detection
Silicon solar cell front side silver paste prepared by above-mentioned environmentally friendly silver paste embodiment 1-3 and environmentally friendly silver paste comparative example 1-2
The test of electrical property is carried out, method of testing is this area conventional method.Test result is listed in the table below in 1.
| NCell | Isc | FF | |
| Environmentally friendly silver paste embodiment 1 | 0.19 | 148.3 | 79.8 |
| Environmentally friendly silver paste embodiment 2 | 0.185 | 145.7 | 78.7 |
| Environmentally friendly silver paste embodiment 3 | 0.192 | 132.6 | 78.5 |
| Environmentally friendly silver paste comparative example 1 | 0.173 | 98.4 | 72.1 |
| Environmentally friendly silver paste comparative example 2 | 0.162 | 90.8 | 73.8 |
The embodiment 1-3 of table 1 and the contrast of comparative example 1-2 electric performance tests
Therefore the silver paste that the present invention is prepared is a kind of environment-friendly materials, wherein the heavy metal material such as not leaded, mercury
Material is small to human body and environmental hazard；Moreover, in the case of total silver content identical, appropriate silver-colored bag glass dust and inorganic is added
Filler can significantly improve electrical property, so as to obtain better economic benefit.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical scheme, all fall within protection scope of the present invention.
Claims (10)
- A kind of 1. solar-energy photo-voltaic cell, it is characterised in that including：Front electrode and glass panel, the glass panel are set In the front of front electrode, the glass panel includes：Substrate, the panel body being layed on substrate and it is packaged in panel body The frame of surrounding, the panel body include：The solar battery sheet arranged with multiple arrays of substrate bonding and will too It is positive can several strip condenser lenses for being completely covered of cell piece, be symmetrically installed with a pair in the two of which long side of the frame Speculum, storage light coating is coated with the speculum；The front electrode includes environmentally friendly silver paste, the environmentally friendly silver paste by A, B, The quality ball millings such as tri- kinds of slurries of C are mixed, wherein, A slurries include each component of following parts by weight：Ball shape silver powder 20-30 parts, Flake silver powder 15-20 parts, A glass dust 5-12 parts, nanometer aluminium powder 5-8 parts and glycerine 15-40 parts；B slurries include following parts by weight Each component：Silver-colored bag glass dust 10-25 parts, petroleum ether 5-10 parts and acrylic resin 2-5 parts；C slurries include following parts by weight Each component：Organic solvent 10-30 parts, inorganic filler 5-15 parts and plasticizer 8-15 parts.
- 2. solar-energy photo-voltaic cell according to claim 1, it is characterised in that the A glass dust includes following parts by weight Each component：SnO215-30 parts, Bi2O310-40 parts, TiO23-9 parts, Al2O310-20 parts, SiO28-12 parts, CaO 1-5 Part, ZrO22-7 parts.
- 3. solar-energy photo-voltaic cell according to claim 2, it is characterised in that the preparation method of the A glass dust is as follows： Each raw material is weighed by aforementioned component proportioning, is put into vibrations ball mill ball milling 1-2h, the mixture of ball milling is placed in 800-900 DEG C 0.5-1h is sintered in high temperature sintering furnace, is ground after natural cooling, 200-300 mesh sieves is crossed, obtains A glass dust.
- 4. solar-energy photo-voltaic cell according to claim 1, it is characterised in that the preparation method of the silver-colored bag glass dust For：A glass dust is cleaned under ultrasonic environment, upper strata cleaning solution is poured off, obtains glass frit suspension；By glass dust Suspension is placed in sodium chloride solution after ultrasonic wave cleaning, is stood to powder and is settled, separation of solid and liquid, obtains modified glass powder；Will Modified glass powder is added in silver nitrate solution, is stirred and is added simultaneously into silver nitrate solution anti-bad at being 40-60 DEG C in temperature After hematic acid solution reacts as reducing agent, precipitate and centrifuge washing filtering, drying obtain silver-colored bag glass dust.
- 5. solar-energy photo-voltaic cell according to claim 1, it is characterised in that the inorganic filler is by calcium oxide, dioxy Change the mass mixing such as titanium and montmorillonite composition.
- 6. the solar-energy photo-voltaic cell as described in claim any one of 1-5, it is characterised in that：The preparation side of the environmentally friendly silver paste Method comprises the following steps：The mass mixings such as tri- kinds of slurries of A, B, C are placed in ball mill, are ground to slurry fineness less than 10 μm, Produce solar-energy photo-voltaic cell silver paste.
- 7. solar-energy photo-voltaic cell according to claim 1, it is characterised in that the solar battery sheet is hull cell Piece or amorphous silicon battery piece.
- 8. solar-energy photo-voltaic cell according to claim 1, it is characterised in that the speculum is the silver-plated ultrawhite in the back side Arc curve mirror made of safety glass, the direction extension bending remote toward each other of a pair of arc curve mirrors.
- 9. according to the solar-energy photo-voltaic cell described in claim any one of 7-8, it is characterised in that the storage light coating is by inside The silicon nitride coating for being dispersed with nano vanadium dioxide is made, and the average grain diameter of the nano vanadium dioxide is 50-80nm, the storage The thickness of light coating is 15-40 μm.
- 10. manufacture solar-energy photo-voltaic cell as claimed in claim 1, it is characterised in that the preparation method of the glass panel Comprise the following steps：S1, one layer of EVA glue-line is laid on substrate, solar battery sheet is layed on substrate and is laminated, then solar energy again Cell piece surface bonding covering strip condenser lens；S2, frame is packaged in panel body surrounding, the seam crossing of frame is coated with fluid sealant；S3, a pair of speculums are installed on two long margin frames, and are coated with a strata light coating on the mirror in advance and dry.
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| CN113630084A (en) * | 2021-10-12 | 2021-11-09 | 南通睿博电器有限公司 | Photovoltaic module |
| CN116682869A (en) * | 2023-05-29 | 2023-09-01 | 浙江夜光明光电科技股份有限公司 | High-energy-efficiency reflective film for double-glass solar backboard and preparation method thereof |
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