CN106206823B - It is a kind of to be used to improve reflective membrane of cell piece generated output and preparation method thereof - Google Patents
It is a kind of to be used to improve reflective membrane of cell piece generated output and preparation method thereof Download PDFInfo
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- CN106206823B CN106206823B CN201610741940.5A CN201610741940A CN106206823B CN 106206823 B CN106206823 B CN 106206823B CN 201610741940 A CN201610741940 A CN 201610741940A CN 106206823 B CN106206823 B CN 106206823B
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- 239000012528 membrane Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims description 14
- 239000010410 layer Substances 0.000 claims abstract description 53
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 239000011241 protective layer Substances 0.000 claims abstract description 5
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 22
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 12
- 239000004800 polyvinyl chloride Substances 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 claims description 8
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 238000009713 electroplating Methods 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229920006264 polyurethane film Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 1
- -1 poly- ammonia Ester Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 239000003292 glue Substances 0.000 abstract description 7
- 230000003712 anti-aging effect Effects 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000003365 glass fiber Substances 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000003491 array Methods 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
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010329 laser etching Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
-
- 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
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02167—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/02168—Coatings for devices characterised by at least one potential jump barrier or surface barrier for solar cells the coatings being antireflective or having enhancing optical properties for the 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
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Abstract
A kind of reflective membrane for being used to improve cell piece generated output of the present invention, the reflective membrane is with layer of PVC（1）As base material, in layer of PVC（1）Obverse and reverse be bonded with TPU layer（2）, in layer of PVC（1）Positive TPU layer（2）Adhered thereto has abs layer（3）, the catoptric arrangement of reflected sunlight is hot pressed on the surface of the abs layer（4）, in catoptric arrangement（4）Surface be coated with layer of metal reflective membrane（5）, in reflective metal film（5）Surface even application have the insulating protective layer of layer of transparent（6）.The present invention changes the base materials such as traditional glass fibre and utilizes the glue not environmentally technique such as compound, production cost is made low, not only it is environmentally friendly but also anti-aging, the good reflectorized strip film of corrosion-resistant also insulating properties, not only technique is simple, easy to operate, production line balance efficiency high, equally reduce production cost, and without glue it is compound after, solve environmental pollution and higher cost that solvent-borne type glue water tape comes.
Description
Technical field
The present invention relates to a kind of reflective membrane for being used to improve cell piece generated output and preparation method thereof.Belong to solar energy
Volt field.
Background technology
Current crystal silicon solar photovoltaic cell industrialization has formed scale, and photovoltaic industry is quickly grown, and technology also compares
It is more ripe, according to national latest report data, end in September, 2015, China adds up photovoltaic generation installation and reaches 37.95GW.But,
At this stage because current cost is also higher before solar energy power generating, photovoltaic project must could realize profit, institute by subsidy
To improve solar photovoltaic assembly transformation efficiency, reduce the early investment cost of photovoltaic project, be to realize photovoltaic electric power " par
One of necessary approach of online ".
Reduce early investment cost, improve photovoltaic module conversion efficiency, except silicon chip in itself in addition to, lot of domestic and international producer
Also think hard from manufacturing process.By the innovation to grid line printed design, the innovation to component manufacturing process technology is improved, right
The innovation of raw material manufacture and courageously on probation, it is achieved thereby that the reduction and the raising of efficiency of cost, in recent years in, solar energy
Photovoltaic module transformation efficiency can reduce 12% from 14.1% quantity for bringing up to photovoltaic arrays in 16.2%, 1MW generator units.
Reduce in cost, the application and preparation of crystal-silicon battery slice grid line design and reflecting strips is one of key factor.Solar cell
The grid line design of piece smooth surface is should be thicker, more intensive better in order to collect photoelectric current, i.e. grid line to greatest extent, but this must
The light-receiving area of cell piece is so reduced, the contradiction of high shading is formed.And in the factor of influence photovoltaic module production cost, it is brilliant
The cost of silicon cell positive electrode grid line silver or silver-colored aluminum slurry accounts for about the 20% of totle drilling cost, and influences the effect of solar energy power generating
The problems such as rate is mainly solar radiation quantity, the conversion ratio maximal power tracing of battery component, the welding of conventional photovoltaic assemblies is direct
It is welded on cell piece, and adjacent cell piece is interconnected, welding has certain width in itself, can cover in cell piece
Part light-receiving area, influences the utilization of light, can not also reflect away the light on welding surface, improves light utilization, increases
Plus component efficiency, and the popularization and application of reflecting strips also relate to the performance of its selection of material, cost performance, preparation technology, production effect
Rate, enables reflecting strips to reduce unit cost of electricity-generating indirectly to greatest extent, improves the solar energy power generating rate of exchange.Therefore seek
There is one kind low shading rate, low cost, high transformation efficiency cell piece point-like main gate line to interconnect reflective battery component and its preparation side
Method is particularly important.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of for improving cell piece generating for above-mentioned prior art
Reflective membrane of power and preparation method thereof, not only technique is simple, easy to operate, production line balance efficiency high, while reducing production
Cost and environmental pollution.
The present invention the used technical scheme that solves the above problems is：It is a kind of to be used to improve the reflective of cell piece generated output
Film, the reflective membrane is bonded with thermoplastic polyurethane material's system using layer of PVC as base material in the obverse and reverse of layer of PVC
Into TPU layer, have abs layer in the positive TPU layer adhered thereto of layer of PVC, reflected sunlight be hot pressed on the surface of the abs layer
Catoptric arrangement, be coated with layer of metal reflective membrane on the surface of catoptric arrangement, have one in the surface even application of reflective metal film
The transparent insulating protective layer of layer.
Preferably, there is insulation tank apart from the upper surface of reflective membrane both sides equidistant position from reflective metal film is down-set.
The present invention also provides a kind of method for preparing above-mentioned reflective membrane, the described method comprises the following steps：
Step 1: by ABS plastic, thermoplastic polyurethane TPU, PVC and thermoplastic polyurethane TPU according to top-down side
Formula melts the basic unit's body for being combined into layer structure, and heating roller temperature control is at 145 DEG C -150 DEG C during melting, and linear velocity is every
Minutes 280-300 meters, the after cooling big volume of harvest；
Step 2: preparing minute surface mold pressing roll, ABS surface is hot pressed into the reflection knot of reflected solar energy using minute surface mold pressing roll
Structure, molding roll temperature is 145-150 DEG C, 280-300 ms/min of linear velocity；
Step 3: plating layer of metal reflective membrane in the reflective structured surface of step 2 using electroplating technology；
Step 4: the polyurethane film for the reflective metal film surface even application layer of transparent electroplated in step 3,
Polyurethane liquid temperature is 165-170 DEG C, and spout pressure is 2-2.4kg；
Step 5: hot forming after compound and the again electroplated big cut roll of reflective membrane into the strip of certain size, cutting
Tension force is 0.15-0.40kg, and linear velocity is 380-400 ms/min；
Step 6: the strip reflective membrane both sides equidistant position apart from step 5 from the upper table of reflective metal film downwards,
Respectively one insulation tank of etching, completes the preparation of reflecting strips.
Preferably, the catoptric arrangement in step 2 is the isosceles triangular structure that base angle is 30-45 °, and its density is
In 1-2.8mm2In the range of have 10-12 isosceles triangular structure.
Compared with prior art, the advantage of the invention is that：
1st, using the reflectorized strip film manufacturing process technology of novel and unique, the base materials such as traditional glass fibre and profit are changed
Not environmentally technique is waited with glue is compound, it is low to be made production cost, not only environmentally friendly but also anti-aging, good anti-of corrosion-resistant also insulating properties
Striation film, not only technique is simple, easy to operate, production line balance efficiency high, equally reduces production cost, and multiple without glue
After conjunction, environmental pollution and higher cost that solvent-borne type glue water tape comes are solved.
2nd, open up insulation tank using reflecting strips two ends and avoid the short-circuit conditions that are likely to occur between cell piece well, really
Protect the security performance of battery component.
3rd, transparent insulating layer is sprayed using reflecting strips layer on surface of metal, had both ensured that reflecting strips had good insulating properties,
Protect reflecting strips metal level well again, improve the anti-aging and decay resistance of reflecting strips metal level, its service life can
Up to more than 30 years.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Embodiment
The present invention is described in further detail with reference to embodiments.
Referring to Fig. 1, the present invention relates to a kind of reflective membrane for being used to improve cell piece generated output, the reflective membrane is with PVC
Layer 1 is bonded with the TPU layer 2 that thermoplastic polyurethane material is made, in PVC as base material in the obverse and reverse of layer of PVC 1
The 1 positive adhered thereto of TPU layer 2 of layer has abs layer 3, and the general thickness of four-layer structure is 120 microns, on the surface of the abs layer
It is hot pressed into the catoptric arrangement 4 of reflected sunlight, catoptric arrangement is micro- shape isosceles triangular structure, or other micro-structurals, anti-
The surface for penetrating structure 4 is coated with layer of metal reflective membrane 5, and the thickness of reflective metal film is 0.35 micron, while in reflective metal film 5
Surface even application have layer of transparent polyurethane material insulating protective layer 6, in the both sides of reflective membrane from reflective metal film 5
Upper surface abs layer is provided with insulation tank 7, the width of the insulation tank 7 is 0.1mm, and depth is 0.2mm, the work of insulation tank
With predominantly avoiding adjacent cell piece from being connected by reflective membrance current, short circuit is caused.The TPU layer of the reflective membrane is that instead of glue
Two layers of effect above and below heat fused, and transparent insulation performance is good, and adhesion is very strong, and concavo-convex with micro- shape isosceles triangle sample
Structured metal surface layer is played, plays and the light for projecting its surface is reflexed into preceding glass sheet and then battery is reflexed to again, so as to increase
Plus the components above power of light utilization efficiency 5% and 2.5%.Intermediate layer is synthesized with ABS and PVC material, plays strong basis and barriers function effect,
And form firm reflecting strips, and reduced by the bonding of reflecting strips and welding so as to enhance the toughness and intensity of welding
The welding fracture that aging is formed because of the influence of natural environment, extends photovoltaic module service life.
A kind of preparation method of above-mentioned reflecting strips is additionally provided in the present embodiment, be the described method comprises the following steps：
Step 1: by ABS plastic, thermoplastic polyurethane TPU, PVC and thermoplastic polyurethane TPU according to top-down side
Formula melts the basic unit's body for being combined into layer structure, and the gross thickness of basic unit's body is 120 microns, and heating roller temperature is controlled during melting
At 145 DEG C-150 DEG C, linear velocity is 280-300 meters per minute, after cooling the big volume of harvest, the complex than glass fibre or
The stiffness of other plastics composite beds and tough Soft Bonding, tensile strength are good, and the peel strength of each layer is up to 25kg/cm, resistance to old
Change performance is good, and service life can surpass 30 years；
Step 2: preparing minute surface mold pressing roll, ABS surface is hot pressed into the reflection knot of reflected solar energy using minute surface mold pressing roll
Structure, its surface is micro- shape isosceles triangular structure, and roller die parameter is：Temperature is 145-150 DEG C, 280-300 ms/min of linear velocity
Clock, 1-2.8mm2In the range of to be pressed into 10-12 base angle be 30-45 ° of isosceles triangular structure；
Step 3: plating layer of metal reflective membrane, wherein metal in the reflective structured surface of step 2 using electroplating technology
The thickness of reflective membrane is 0.35 micron；
Step 4: the big volume of basic unit's body electroplated in step 3 is moved into polyurethane coating machine, in reflective metal film table
The polyurethane film of face even application layer of transparent（Insulating protective layer）, reflective metal film insulation is covered, polyurethane spray
Polyurethane liquid temperature is 165-170 DEG C in painting machine charging basket, and spout pressure is 2-2.4kg；
Step 5: using import cutting machine that compound rear hot forming is simultaneously again electroplated according to battery strings welding width specifications
The big cut roll of reflective membrane into the strip of certain size, the cutting tension force of cutting machine is 0.15-0.40kg, linear velocity is 380-
400 ms/min；
Step 6: the strip reflective membrane that will cut formation is downward along reflective metal film top with precise laser etching apparatus,
And apart from respectively one insulation tank of etching, the preparation of completion reflecting strips of strip reflective membrane both lateral sides equidistant position, carve absolutely
The width of edge groove is 0.1mm, and depth is 0.2mm, and the effect of this insulation tank predominantly avoids adjacent cell piece from passing through reflecting strips
Electric current is connected, and causes short circuit.
It is conventional according to test and measuring and calculating project photovoltaic module ratio of the present invention after above-mentioned reflecting strips are applied on battery component
Photovoltaic module not only reduces cost 5%, also reduces shading surface 5%, and also improve light efficiency 5% and add component work(
Rate more than 2.5%, and innovation prepared by reflectorized strip film not only reduces cost more than 15%, also improves the tensile strength of reflectorized strip film
With stripping degree of rising, and other performance index.The generation of welding crack conditions is also reduced simultaneously, extends the use of photovoltaic module
In 5 years life-spans, overall economic efficiency is drastically increased, the application and development of solar energy power generating have been promoted energetically.
In addition to the implementation, present invention additionally comprises have other embodiment, all use equivalents or equivalence replacement
The technical scheme that mode is formed, all should fall within the scope of the hereto appended claims.
Claims (3)
1. a kind of preparation method for being used to improve the reflective membrane of cell piece generated output, the reflective membrane is with layer of PVC（1）It is used as base
Layer material, in layer of PVC（1）Obverse and reverse be bonded with the TPU layer that thermoplastic polyurethane material is made（2）, in layer of PVC（1）
Positive TPU layer（2）Adhered thereto has abs layer（3）, the catoptric arrangement of reflected sunlight is hot pressed on the surface of the abs layer
（4）, in catoptric arrangement（4）Surface be coated with layer of metal reflective membrane（5）, in reflective metal film（5）Surface even application have
The insulating protective layer of layer of transparent（6）, it is characterised in that：It the described method comprises the following steps：
Step 1: ABS plastic, thermoplastic polyurethane TPU, PVC and thermoplastic polyurethane TPU are melted according to top-down mode
Melt the basic unit's body for being combined into layer structure, heating roller temperature control is at 145 DEG C -150 DEG C during melting, and linear velocity is per minute
280-300 meters, the after cooling big volume of harvest；
Step 2: preparing minute surface mold pressing roll, ABS surface is hot pressed into the catoptric arrangement of reflected solar energy using minute surface mold pressing roll,
It is 145-150 DEG C to be molded roll temperature, 280-300 ms/min of linear velocity,
Step 3: plating layer of metal reflective membrane in the reflective structured surface of step 2 using electroplating technology；
Step 4: the polyurethane film for the reflective metal film surface even application layer of transparent electroplated in step 3, poly- ammonia
Ester liquid temperature is 165-170 DEG C, and spout pressure is 2-2.4kg；
Step 5: hot forming after compound and the again electroplated big cut roll of reflective membrane are cut tension force into the strip of certain size
For 0.15-0.40kg, linear velocity is 380-400 ms/min；
Step 6: the strip reflective membrane both sides equidistant position apart from step 5 from the upper table of reflective metal film downwards, it is each to carve
An insulation tank is lost, the preparation of reflecting strips is completed.
2. a kind of preparation method for being used to improve the reflective membrane of cell piece generated output according to claim 1, its feature
It is：Apart from reflective membrane both sides equidistant position from reflective metal film（5）Upper surface down-set have insulation tank（7）.
3. a kind of preparation method for being used to improve the reflective membrane of cell piece generated output according to claim 1, its feature
It is：Catoptric arrangement in step 2 is in 1-2.8mm2In the range of to be pressed into 10-12 base angle be 30-45 ° of isoceles triangle
Shape structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610741940.5A CN106206823B (en) | 2016-08-26 | 2016-08-26 | It is a kind of to be used to improve reflective membrane of cell piece generated output and preparation method thereof |
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| CN201610741940.5A CN106206823B (en) | 2016-08-26 | 2016-08-26 | It is a kind of to be used to improve reflective membrane of cell piece generated output and preparation method thereof |
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| CN106206823B true CN106206823B (en) | 2017-07-14 |
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| CN106653904A (en) * | 2017-01-03 | 2017-05-10 | 浚丰太阳能(江苏)有限公司 | Reflective photovoltaic module |
| CN116682869B (en) * | 2023-05-29 | 2023-12-15 | 浙江夜光明光电科技股份有限公司 | Reflective film for double-glass solar backboard and preparation method thereof |
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| CN103413861A (en) * | 2013-07-18 | 2013-11-27 | 常州大学 | Light reflecting thin film of photovoltaic module and method for fixing light reflecting thin film and soldering strip |
| CN103943708A (en) * | 2014-04-24 | 2014-07-23 | 英利能源（中国）有限公司 | Light reflecting film and photovoltaic module |
| CN204204887U (en) * | 2014-11-28 | 2015-03-11 | 英利能源（中国）有限公司 | A kind of photovoltaic reflective membrane with discontinuity insulation |
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| CN106206823A (en) | 2016-12-07 |
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