CN104157711A - Efficient anti-PID double-glass photovoltaic modules - Google Patents
Efficient anti-PID double-glass photovoltaic modules Download PDFInfo
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- CN104157711A CN104157711A CN201410389468.4A CN201410389468A CN104157711A CN 104157711 A CN104157711 A CN 104157711A CN 201410389468 A CN201410389468 A CN 201410389468A CN 104157711 A CN104157711 A CN 104157711A
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- 239000011521 glass Substances 0.000 title claims abstract description 25
- 239000005341 toughened glass Substances 0.000 claims abstract description 22
- 229910021419 crystalline silicon Inorganic materials 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 30
- 238000002834 transmittance Methods 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 10
- 238000004049 embossing Methods 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 239000002390 adhesive tape Substances 0.000 abstract description 2
- 230000032683 aging Effects 0.000 abstract 3
- 238000004079 fireproofing Methods 0.000 abstract 1
- 101100495270 Caenorhabditis elegans cdc-26 gene Proteins 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005693 optoelectronics Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
-
- 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
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- 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 provides efficient anti-PID double-glass photovoltaic modules. The anti-PID double-glass photovoltaic modules are formed by tiering the following layers from top to bottom: an ultra-white embossing toughened glass layer, a high-transparent EVA film layer, a crystalline silicon battery sheet layer, a glass fiber non-woven thin felt layer, a white EVA film layer and an ordinary toughened glass layer; edges of the tiered photovoltaic modules are edge-sealed with silica gel strips through a laminated technology, or the edges of the photovoltaic modules are edge-sealed by sticking 3M non-border protecting adhesive tapes. The efficient anti-PID double-glass photovoltaic modules have benefits as follows: 1) an anti-PID performance is provided; 2) the whole output power of the photovoltaic modules can be improved by 1.5-2.5%; 3) supreme fireproofing grade Class A is provided; the results of a double-85 aging experiment, a damp-heat circulation aging experiment, a damp-freeze circulation aging experiment and a salt fog experiment are all two times higher of a standard performance than a standard; the mechanical load capacity of the double-glass photovoltaic modules is larger than 6500 Pa, so that the double-glass photovoltaic modules are excellent in mechanical load and anti-subfissure performance.
Description
Technical field: the present invention relates to a kind of improved solar photovoltaic assembly, particularly the two glass photovoltaic modulies of a kind of Effective Anti PID.
Background technology: in existing photovoltaic module, as two glass photovoltaic modulies, its structure (from top to bottom stack order) is generally: transparent toughened glass, common EVA (or PVB, as follows) glued membrane, crystalline silicon battery plate, common EVA glued membrane, transparent toughened glass, then carry out encapsulation process by silica gel strip or 3M Rimless protection adhesive tape to assembly edge seal.Although this kind of two glass photovoltaic modulies have mechanical performance, fire prevention, salt fog resistance, the weather resistance such as soda acid and sand and dust is better, cell piece is not easy to occur hiddenly split and be applicable to being arranged on the advantages such as region under some specific severe environmental conditions, but in use also there is certain deficiency: 1, easily there is PID phenomenon, , this assembly is for a long time under the effect of high strength negative voltage, particularly in the wild in the different environment of high temperature humidity or inverter array earthing mode, just there will be component power decay, performance reduces, and then affect the phenomenon of whole system generating capacity and gross output, 2, optoelectronic transformation efficiency is not high, generally below 15%, its reason is mainly that this assembly is to adopt two-layer identical common EVA glued membrane to encapsulate, and the common EVA glued membrane of upper surface light transmittance is lower, be usually less than 91%, and the common EVA glued membrane of lower surface is owing to being the transparent reflective that do not possess, so the photon amount arriving on crystalline silicon battery plate by this glued membrane is blocked minimizing, in addition, be exactly can not be recycled by adhesive film reflection through the part photon of crystalline silicon battery plate, the secondary utilization of also having lost photon, these two aspects make two glass photovoltaic modulies aspect photoelectric conversion, lose larger.
The content of invention: the object of the invention is to, easily there is PID phenomenon in what for existing pair of glass photovoltaic module, in use exist, the deficiency that optoelectronic transformation efficiency is not high, and a kind of two glass photovoltaic modulies of Effective Anti PID that have anti-PID performance and can improve optoelectronic transformation efficiency are proposed.
By following technical proposals, can realize object of the present invention, the two glass photovoltaic modulies of a kind of Effective Anti PID, it is characterized in that, it comprises super white patterned toughened glass, high EVA thoroughly (or PVB, as follows) glued membrane, crystalline silicon battery plate, glass fibre nonwoven mat, white EVA glued membrane, common toughened glass, silica gel strip; Assembly is stacked from top to bottom by following layer: super white patterned toughened glass, high EVA glued membrane, crystalline silicon battery plate, glass fibre nonwoven mat, white EVA glued membrane, common toughened glass thoroughly, assembly edge after stacked carries out edge seal with silica gel strip by laminating technology, or by pasting 3M Rimless protective rubber band, carries out edge seal after lamination.
The high light transmittance > 93% of EVA glued membrane thoroughly, thickness 0.38mm～0.60mm.
Thickness 0.38mm～the 0.60mm of white EVA glued membrane.
The thickness of glass fibre nonwoven mat layer is 0.05～0.20mm.
The thickness of super white patterned toughened glass and common toughened glass is 2～6mm.
Effect of the present invention is: 1, have anti-PID performance, through 85% humidity, 85 ℃ temperature ,-1000 volts system bias voltage, continue 96 hours strict severe experiment condition under test, the power attenuation of this assembly is no more than 2% (referring to test result); This is, in this assembly, be provided with due to glass fibre nonwoven mat, because glass fibre nonwoven mat (Craneglas) has water vapor barrier property, insulating properties and hydrolytic resistance, the ion that it can effectively intercept EVA and glass surface is gathered in battery surface, thereby be suppressed in assembly and produce PID phenomenon, reach the effect of the anti-PID of photovoltaic module; 2, can improve the whole power output of photovoltaic module 1.5～2.5%, this is, the present invention replaces the two-layer common EVA glued membrane in existing photovoltaic module to become high EVA glued membrane and white EVA glued membrane thoroughly, thereby makes the present invention on existing photovoltaic module basis, to improve whole power output; The high EVA glued membrane thoroughly of the first can allow more multi-photon penetrate its body arrival cell piece surface, increased the photon numbers reacting, because the high light transmittance > 93 of EVA adhesive film thoroughly, and the light transmittance < 91% of common EVA glued membrane has the photon numbers more than 2% to arrive cell piece surface; It two is that white EVA has good reflex, and it can again be reflected back the photon through cell piece on cell piece and again utilize, thereby indirectly increases the photon numbers reacting; In addition, the properties of this assembly has substantially exceeded the international standard requirements such as IEC61215 and UL1703, than conventional Crystalline Silicon PV Module, also there is the highest fire-protection rating Class A, two 85 senile experiments, damp and hot circulation senile experiment, wet circulation senile experiment and the salt mist experiment etc. of freezing are all higher than 2 times of standards more than performance, the mechanical load ability that assembly positive and negative bears is greater than 6500Pa, has outstanding mechanical load and the anti-hidden ability of splitting.
Accompanying drawing explanation:
Accompanying drawing 1 is sectional structure schematic diagram of the present invention.
Below in conjunction with drawings and Examples, the present invention is further set forth:
Embodiment:
The two glass photovoltaic modulies of a kind of Effective Anti PID, referring to accompanying drawing 1, it comprises super white patterned toughened glass 1, high EVA glued membrane 2 thoroughly, crystalline silicon battery plate 3, glass fibre nonwoven mat 4, white EVA (or PVB, as follows) glued membrane 5, common toughened glass 6, silica gel strip 7 raw materials; The raw material of getting 10 assemblies carries out assembly and manufactures.Each assembly lamination order is from top to bottom: white embossing toughened glass 1, high EVA glued membrane 2 thoroughly, crystalline silicon battery plate 3, glass fibre nonwoven mat 4, white EVA glued membrane 5, common toughened glass 6, assembly edge after stacked encapsulates by laminating technology with silica gel strip 7, security seal distance is at least more than 10mm, or will after component lamination, with 3M Rimless protective rubber band, carry out edge seal again, component internal photovoltaic circuit adopts and is connected in series output, the positive and negative electrode output end wiring box of assembly is drawn with edge or the mounting means of back side glass punching is outwards powered.The thickness 2.5mm (thickness 2～6mm) of white embossing toughened glass 1 wherein; The high light transmittance > 93% of EVA glued membrane thoroughly, its thickness is 0.5mm (the high thickness of EVA glued membrane is thoroughly 0.38mm-0.60mm); Crystalline silicon battery plate 3 is 156 type polycrystalline silicon battery plates, and cell piece matrix form is arranged, and the sheet spacing of every cell piece is 2～5mm, and the refractive index of cell piece is 2.09 (refractive index is 2.08～2.10), and the efficiency of cell piece is 17.4%; The thickness of white EVA glued membrane is 0.5mm (thickness 0.38mm～0.60mm); Glass fibre nonwoven mat 4 is Craneglas, is material on sale on a kind of market, and its thickness is 0.125mm (thickness 0.05～0.20mm); The thickness 2.5mm of common toughened glass 6 (thickness 2～6mm).
Below test case:
It is 249.80W that 5 two glass photovoltaic modulies of P60 sheet Effective Anti PID are made rear average output power, and the power output of every block assembly is respectively: (power data sees the following form)
| Assembly numbering | Voc | Isc | Pmp | Vmp | Imp | FF |
| RSP66011406B1421 | 37.76 | 8.77 | 249.99 | 30.44 | 8.21 | 75.48 |
| RSP66011406B1422 | 37.59 | 8.78 | 249.70 | 30.26 | 8.25 | 75.63 |
| RSP66011406B1423 | 37.59 | 8.79 | 249.64 | 30.31 | 8.24 | 75.54 |
| RSP66011406B1424 | 37.70 | 8.63 | 249.77 | 30.28 | 8.25 | 76.76 |
| RSP66011406B1425 | 37.69 | 8.64 | 249.89 | 30.23 | 8.27 | 76.70 |
And 5 conventional two glass photovoltaic module average output powers of P60 sheet tradition are 245.22W, the power output of every block assembly is respectively: (power data sees the following form)
| Assembly numbering | Voc | Isc | Pmp | Vmp | Imp | FF |
| RSP66011406B1426 | 37.54 | 8.58 | 245.32 | 30.41 | 8.07 | 76.18 |
| RSP66011406B1427 | 37.50 | 8.69 | 245.34 | 30.07 | 8.16 | 75.29 |
| RSP66011406B1428 | 37.40 | 8.79 | 245.02 | 29.97 | 8.18 | 74.54 |
| RSP66011406B1429 | 37.52 | 8.74 | 245.18 | 30.17 | 8.13 | 74.79 |
| RSP66011406B1430 | 37.52 | 8.70 | 245.25 | 30.13 | 8.14 | 75.11 |
Contrasting traditional its power output of conventional Crystalline Silicon PV Module has 4.58W to promote.
5 two glass photovoltaic modulies of P60 sheet Effective Anti PID are after PID test (85% humidity, the temperature of 85 ℃, the system bias voltage of-1000 volts, the strict severe experiment of lasting 96 hours), its assembly average output power is 245.41W (power data sees the following form), and attenuation rate is 1.76% (decay is in 2%).
| Assembly numbering | Voc | Isc | Pmp | Vmp | Imp | FF |
| RSP66011406B1421 | 37.59 | 8.64 | 245.49 | 29.66 | 8.28 | 75.58 |
| RSP66011406B1422 | 37.60 | 8.73 | 245.38 | 30.00 | 8.18 | 74.75 |
| RSP66011406B1423 | 37.51 | 8.71 | 245.48 | 29.93 | 8.20 | 75.10 |
| RSP66011406B1424 | 37.47 | 8.73 | 245.45 | 29.95 | 8.20 | 75.07 |
| RSP66011406B1425 | 37.61 | 8.67 | 245.26 | 29.96 | 8.19 | 75.21 |
Claims (5)
1. two glass photovoltaic modulies of an Effective Anti PID, it is characterized in that, it comprises super white patterned toughened glass, high EVA thoroughly (or PVB, as follows) glued membrane, crystalline silicon battery plate, glass fibre nonwoven mat, white EVA glued membrane, common toughened glass, silica gel strip; Assembly is stacked from top to bottom by following layer: super white patterned toughened glass, high EVA glued membrane, crystalline silicon battery plate, glass fibre nonwoven mat, white EVA glued membrane, common toughened glass thoroughly, assembly edge after stacked carries out edge seal with silica gel strip by laminating technology, or by pasting 3M Rimless protective rubber band, carries out edge seal after lamination.
2. by the two glass photovoltaic modulies of Effective Anti PID claimed in claim 1, it is characterized in that the high light transmittance > 93% of EVA glued membrane thoroughly, thickness 0.38mm～0.60mm.
3. by the two glass photovoltaic modulies of Effective Anti PID claimed in claim 1, it is characterized in that the thickness 0.38mm～0.60mm of white EVA glued membrane.
4. by the two glass photovoltaic modulies of Effective Anti PID claimed in claim 1, it is characterized in that, the thickness of glass fibre nonwoven mat layer is 0.05～0.20mm.
5. by the two glass photovoltaic modulies of the Effective Anti PID described in claim 1 or 2 or 3 or 4, it is characterized in that, the thickness of super white patterned toughened glass and common toughened glass is 2～6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410389468.4A CN104157711A (en) | 2014-07-31 | 2014-07-31 | Efficient anti-PID double-glass photovoltaic modules |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410389468.4A CN104157711A (en) | 2014-07-31 | 2014-07-31 | Efficient anti-PID double-glass photovoltaic modules |
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| CN104157711A true CN104157711A (en) | 2014-11-19 |
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| CN201410389468.4A Pending CN104157711A (en) | 2014-07-31 | 2014-07-31 | Efficient anti-PID double-glass photovoltaic modules |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332518A (en) * | 2014-11-24 | 2015-02-04 | 中利腾晖光伏科技有限公司 | Frameless crystal silicon cell complete anti-PID light assembly and solar panel |
| CN104576794A (en) * | 2014-12-17 | 2015-04-29 | 山东力诺光伏高科技有限公司 | Production method of invisible-crack-resistant solar component |
| CN106634647A (en) * | 2015-10-28 | 2017-05-10 | 阿特斯(中国)投资有限公司 | Solar photovoltaic flame-retardant type white EVA packaging glue film and flame-retardant type double-glass photovoltaic component |
| CN107634113A (en) * | 2017-09-01 | 2018-01-26 | 常州大学 | The solar double-glass assemblies and preparation method of anti-steam infiltration |
| CN108649086A (en) * | 2018-04-23 | 2018-10-12 | 深圳市拓日新能源科技股份有限公司 | Small-sized solar double-glass assemblies and building curtain wall electricity generation system |
| CN110034209A (en) * | 2019-03-12 | 2019-07-19 | 浙江晶尚新能源科技有限公司 | The processing method for improving photovoltaic module white EVA adhesive film preparation qualification rate |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040182432A1 (en) * | 2003-03-19 | 2004-09-23 | Sharp Kabushiki Kaisha | Photovoltaic module subassembly and photovoltaic module with sealed insulating glass |
| CN202434543U (en) * | 2011-11-11 | 2012-09-12 | 无锡尚德太阳能电力有限公司 | Solar cell double-glass assembly |
-
2014
- 2014-07-31 CN CN201410389468.4A patent/CN104157711A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040182432A1 (en) * | 2003-03-19 | 2004-09-23 | Sharp Kabushiki Kaisha | Photovoltaic module subassembly and photovoltaic module with sealed insulating glass |
| CN202434543U (en) * | 2011-11-11 | 2012-09-12 | 无锡尚德太阳能电力有限公司 | Solar cell double-glass assembly |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332518A (en) * | 2014-11-24 | 2015-02-04 | 中利腾晖光伏科技有限公司 | Frameless crystal silicon cell complete anti-PID light assembly and solar panel |
| WO2016082264A1 (en) * | 2014-11-24 | 2016-06-02 | 中利腾晖光伏科技有限公司 | Frameless crystalline silicon battery completely anti-pid lightweight assembly and battery plate |
| CN104576794A (en) * | 2014-12-17 | 2015-04-29 | 山东力诺光伏高科技有限公司 | Production method of invisible-crack-resistant solar component |
| CN106634647A (en) * | 2015-10-28 | 2017-05-10 | 阿特斯(中国)投资有限公司 | Solar photovoltaic flame-retardant type white EVA packaging glue film and flame-retardant type double-glass photovoltaic component |
| CN107634113A (en) * | 2017-09-01 | 2018-01-26 | 常州大学 | The solar double-glass assemblies and preparation method of anti-steam infiltration |
| CN108649086A (en) * | 2018-04-23 | 2018-10-12 | 深圳市拓日新能源科技股份有限公司 | Small-sized solar double-glass assemblies and building curtain wall electricity generation system |
| CN110034209A (en) * | 2019-03-12 | 2019-07-19 | 浙江晶尚新能源科技有限公司 | The processing method for improving photovoltaic module white EVA adhesive film preparation qualification rate |
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Application publication date: 20141119 |