CN105470328A - Independent light trap type photovoltaic glass - Google Patents
Independent light trap type photovoltaic glass Download PDFInfo
- Publication number
- CN105470328A CN105470328A CN201410450495.8A CN201410450495A CN105470328A CN 105470328 A CN105470328 A CN 105470328A CN 201410450495 A CN201410450495 A CN 201410450495A CN 105470328 A CN105470328 A CN 105470328A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic glass
- light
- trap
- independent
- glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 76
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000003491 array Methods 0.000 claims description 6
- 230000001413 cellular effect Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000002834 transmittance Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000002310 reflectometry Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000005693 optoelectronics Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances 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
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- 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
- H01L31/0236—Special surface textures
-
- 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
-
- 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
Abstract
The invention relates to photovoltaic glass used for a solar cell. A surface of the photovoltaic glass is provided with independent round annular structures which are independent light trap structures. The external diameter of a ring ranges from 0.1 mm to 5 mm, an included angle formed by an inner ring and an outer ring is smaller than or equal to 90 degrees, and therefore multiple reflections and refractions of light rays can be finished in the independent round annular structures. Through adoption of the photovoltaic glass, 99.8% of incident light which enters a glass interface for the first time can be captured, that is, 96% of reflected light which is generated for the first time can be captured and reutilized, and an existing photovoltaic glass product can roughly capture 30% to 40% of reflected light which enters the glass interface for the first time, such that by adopting the photovoltaic glass provided by the invention, more light transmitted through the photovoltaic glass can participate in photoelectric conversion, and the electricity generation rate of the solar cell can be greatly improved.
Description
Technical field
The present invention relates to the photovoltaic glass being applied to solar-energy photo-voltaic cell, particularly a kind of high-transmittance photovoltaic glass of independent light trap type.
Background technology
At present, the key problem having become the development of puzzlement countries in the world in short supply of the energy, solar energy, as a kind of not only abundant but also can not cause the green energy resource of sustainable use of environmental pollution, is considered from long-range strategy, develops and utilizes solar energy to be the important ring of various countries' sustainable development.At present, in global range, the utilization of solar energy mainly contains two kinds of modes: one is, by heat collector, solar radiant energy is converted into heat energy, such as solar water heater etc.; Another kind is converted solar energy into electrical energy by solar cell, i.e. photovoltaic generation, such as solar cell etc.And the device of no matter to be light energy conversion be heat energy, or be the device of electric energy by light energy conversion, solar energy package assembling is all one of its requisite assembly, and solar energy package assembling must possess: light transmission rate is high, and (transmitance is more than or equal to 91%, containing Fe
2o
3be less than or equal to 150ppm), waterproof, to be chronically exposed under natural environment performance without serious degradation, have higher mechanical strength to external force and thermal stress, there is certain decay resistance, the coefficient of expansion is little.At present, what can meet above-mentioned condition only has solar energy photovoltaic glass and transparent plastic sheet, but it is well-known, due to transparent plastic sheet easily aging, softening point is low, thermal coefficient of expansion greatly and be not easily used as cover plate, and solar energy photovoltaic glass is owing to having stable chemical performance, there is the advantage such as aging hardly and extensively become the preferred of solar energy package assembling material.
Solar cell is also called " solar chip " or " photocell ", is a kind of optoelectronic semiconductor thin slice utilizing the sunlight direct generation of electricity.As long as it is arrived by illumination, moment just exportable voltage and when there being loop generation current.Physically be called photovoltaic (being abbreviated as PV), be called for short photovoltaic.And solar cell comprises photovoltaic glass, solar battery sheet etc., wherein photovoltaic glass is for the protection of generating main body (such as solar battery sheet), and light transmittance high (as mentioned above, light transmittance is generally more than 91%) and the process of ultrawhite tempering must be met; And solar battery sheet is mainly used in generating.The conversion efficiency of this wherein solar battery sheet 2 is the key indexs affecting solar cell properties.The factor affecting conversion efficiency of solar cell known is at present a lot, the for example factor such as solar energy light intensity, battery material, manufacturing technology level, above-mentioned various factors causes at present in the conversion efficiency research of solar battery sheet, and the conversion efficiency being intended to raising 1% has been very difficult concerning industrial circle.
And according to the structure of solar cell, the light transmittance of photovoltaic glass directly affects the conversion efficiency of solar cell, if therefore the light transmittance of photovoltaic glass can be improved, will the photoelectric conversion efficiency of solar cell be improved.
In order to realize the antiradar reflectivity of light, low absorptivity and high light transmission rate, patent documentation 1 discloses the optical element that a kind of control surface pattern changes mirror-reflection, employing can weaken electromagnetic wave along object macro surface generation mirror-reflection and can reduce its total reflectivity and play the optics of optical trap effect, and this optics has reflection and absorbability, the surperficial taper embossment by several cones arrangement straggly just differed; The height of surface relief is between 0.1 micron to 2 millimeters, and the shape of the basic repetitive of this surface relief is pyramid or triangular pyramidal or polygonal vertebra shape, and the floor space of each repetitive is 0.04 square micron to 8 square millimeter.
Non-patent literature 2 discloses the application of light trapping in crystal silicon solar batteries, it discloses and adopt light trapping to reduce reflection, wherein common light trapping comprises pyramid matte, the drift angle of its square pyramid matte each cube is 70 ° 23 ', reflectivity can be down to 1/3 of light face by matte, known by carrying out calculating further to the optical property of matte, the secondary reflection light also with 11% may carry out third time reflection and refraction, and the reflectivity that can calculate matte is thus 9.04%.
Patent documentation 3 discloses a kind of glass marble-aperture array light trap technology, array of orifices produced by the thin plate of certain material, thin plate two sides comprises aperture sidewall and plate the various materials needed for hull cell successively at upper surface after metallized reflective layer, glass marble is placed with at each aperture top of thin plate upper surface, these closely interdependent glass marbles composition watch crystal ball array, its strong beam array that can yardstick be become small solar ray collecting, these light beams can pass thin plate aperture, be trapped between thin plate and the ultra-thin photovoltaic battery panel below thin plate, converted to luminous energy by re-absorption effect, form light trapping.
It is protruding as light trapping structure that above-mentioned patent documentation 1 and non-patent literature 2 have employed taper/pyramid, patent documentation 3 have employed aperture array light trap structure, but according to the record of above-mentioned patent documentation and non-patent literature, it is minimum can reduce to 1% by the reflectivity after secondary reflection.That is, adopting above-mentioned technology, there is not significantly raising beyong contemplation in the transmitance of light.
Patent documentation 1:CN1157929A
Non-patent literature 2: the application of light trapping in crystal silicon solar batteries (laser and optoelectronics be in progress, 2004,41 volumes, the 5th phase, 56-58,44 pages)
Patent documentation 3:CN102623578A.
Summary of the invention
The present invention is in view of the technical problem existed in above-mentioned prior art, its object is to provide a kind of independent light trap type photovoltaic glass being applied to solar cell, it adopts special independent light structure of trap, reduce light reflectivity, increase substantially the transmitance of light thus, thus further increase the photoelectric conversion efficiency of solar battery sheet.
According to a technical scheme of the present invention, a kind of photovoltaic glass for solar cell is provided, the surface of this photovoltaic glass has independently cirque structure, i.e. independent light structure of trap, wherein the external diameter of ring is within the scope of 0.1 ~ 5mm, the angle of inner and outer ring is less than or equal to 90 °, makes the multiple reflections of light and refraction complete in this independently cirque structure thus.
Preferably, in photovoltaic glass involved in the present invention, be provided with less light trapping to improve light transmission rate at the blank position of independent light trap.
Preferably, in photovoltaic glass involved in the present invention, less light trapping is spill point cone shape.
Preferably, in photovoltaic glass involved in the present invention, independent light trap is cellular close-packed arrays.
Preferably, in photovoltaic glass involved in the present invention, independent light trap is square arrangement.
According to another technical scheme of the present invention, provide a kind of method for the manufacture of photovoltaic glass of the present invention, it comprises the steps:
The female wheel adopting special processing unit (plant) to process " independent light structure of trap " to combine;
Adopt described female wheel to remove rolling roller, this roll is installed on calender;
Described photovoltaic glass is suppressed by calender.
Independent light trap type photovoltaic glass of the present invention, owing to have employed distinctive ring-shaped light structure of trap, can be caught enter into the incident light of glass interface first 99.8%, that is: be used after making in the reverberation produced first 96% to be captured again.And existing photovoltaic glass product is approximately merely able to capture 30% ~ 40% of the reverberation entering into glass interface first, therefore adopt photovoltaic glass of the present invention, more light transmission photovoltaic glass can be made to participate in opto-electronic conversion, which enhance the Generation Rate of solar cell.
According to statistics, the Chinese solar cell having produced about 3,000 ten thousand kilowatts by 2011, this output accounts for the half of whole world total output, and correspondingly needs the photovoltaic glass of 300,000,000 square metres.If associated solar battery component manufacturer is to buy photovoltaic glass of the present invention (photovoltaic glass only accounts for 8% of total cost) higher than the purchasing price of existing market valency 2% ~ 3%, then known through adjusting, relevant photovoltaic glass manufacturers man can net income increase 2% ~ 3%, associated solar battery component manufacturer then can net income increase 1.8% ~ 2.7%, therefore commercial value of the present invention, market development prospect are considerable.
Accompanying drawing explanation
Fig. 1 is the structure chart of solar cell.
Fig. 2 is the light transmission schematic diagram of photovoltaic glass of the present invention.
Fig. 3 is the figure of the independent light structure of trap representing photovoltaic glass of the present invention.
Fig. 4 is the figure of the planar alignment of the independent light structure of trap representing photovoltaic glass of the present invention.
Fig. 5 is the figure of the surface texture representing photovoltaic glass of the present invention.
Fig. 6 is the stereogram of the little trap produced at the blank position of each light trapping.
Description of reference numerals
1 photovoltaic glass
2 solar battery sheets
3 substrates
4 binding agents
5 fluid sealants
6 frameworks
10 independent light traps
12 little traps.
Embodiment
Some term is used to refer to particular elements from start to finish in present specification.As skilled in the art will recognize, usually can indicate identical parts by different titles, thus present specification is not intended to distinguish those just at parts different instead of functionally different nominally.In present specification, use that term " comprises (comprise) " with open form, " comprising (include) " and " having (have) ", and therefore should be interpreted as mean " including but not limited to ... "In addition, the term " approximately " that may use in this article, " in fact " or " approx " relate to the tolerance to corresponding term that industry accepts.
In the following description, for illustrative purposes, many specific detail are set forth to provide thorough understanding of the present invention.But, it is evident that for a person skilled in the art, device of the present invention, method and apparatus can be implemented when there is no these specific detail.Mean to be included at least in that embodiment or example in conjunction with special characteristic, structure or the characteristic described by this embodiment or example to " embodiment ", mentioning of " example " or similar language in this manual, but in the embodiment that not necessarily can be included in other or example.
Below, the invention will be further described with Figure of description in conjunction with the preferred embodiments.
Fig. 1 is the structure chart of solar cell, and it comprises: for the photovoltaic glass 1 of the packaging protection of solar cell, as solar energy being directly converted to the solar battery sheet 2 of semiconductor device of electric energy, substrate 3, binding agent 4, fluid sealant 5 and framework 6 etc.As above; the structure of solar cell of 1 is known with reference to the accompanying drawings; photovoltaic glass 1 is one of significant components of solar cell; not only be responsible for the effects such as protection, printing opacity and battery electrode; also there is increase light utilization; improve the key property of battery efficiency, the light transmittance of photovoltaic glass 1 directly has influence on the photoelectric conversion efficiency of solar cell itself, therefore the light transmittance that the present invention is conceived to improve photovoltaic glass 1 is studied.
At present, have already been proposed a lot of effective ways to improve the photoelectric conversion efficiency of battery, as quantum-dot structure, Wavelength transformational structure and light trapping structure etc.The invention provides a kind of novelty for existing photovoltaic glass light trapping structure (light trapping structure is also referred to as " light trapping ", refer to when light irradiate enter this structure after, whole or most of light all can not be reflected back.Different surfaces can produce different sunken light effects, and then Different Effects is produced to photovoltaic cell), namely ring-type mirror design, make the multiple reflections of light and refraction can complete in one independently cirque structure, in this application by this independently cirque structure be referred to as " independent light trap ".In addition, light trapping structure is also the important indicator judging light trapping structure quality to the scattering power of incident light, good light trapping structure not only can a lot of light of scattering, and scattered light also should be distributed in larger angular range, more light can be made like this to increase and to absorb light path, also the incident light of different angles can be made all to enter in the absorption region of solar cell, and favourable battery makes full use of oblique fire sunlight in actual use, improves generating capacity.Existing photovoltaic glass is protruding at the massif shape of its surface compacting in irregular distribution, but this structure can only catch a small amount of reverberation.In order to fully catch reverberation, improve light transmission rate, the present invention adopts multiple above-mentioned independent light trap unit and makes it be covered with the surface of photovoltaic glass 1, thus light can after multiple reflections and refraction, reverberation is almost all brought in solar battery sheet 2, greatly increase light transmission rate thus, and improve the photoelectric conversion efficiency of solar cell itself thus, achieve outstanding practical application effect.
Fig. 5 is the figure of the surface texture representing photovoltaic glass of the present invention, as shown in this accompanying drawing 5, the bottom surface of photovoltaic glass 1 maintains existing reticulate patterned surface, its end face (i.e. upper surface) has the flower pattern suppressed through special emebosser, this flower pattern is independently cirque structure, i.e. independent light trap 10, each independent light trap 10 is in cellular close-packed arrays, and this independent light trap 10 distributes on end face uniformly continous.
Fig. 3 shows the planar structure of this independent light trap, wherein the angle <90 ° of the inner and outer ring of this cirque structure, and the external diameter of ring is decided by the thickness of photovoltaic glass, and in the present invention, the external diameter of this ring is defined as 0.1 ~ 5mm.
Fig. 4 shows the planar alignment of the independent light trap of photovoltaic glass of the present invention.As shown in Figure 4, each independent light trap 10, in cellular close-packed arrays, can maximally utilise surface area thus.Meanwhile, in order to improve light transmission rate, some little traps 12 can be produced at each ring of independent light trap 10 and the junction of ring.
Fig. 6 is the stereogram of the little trap produced at the blank position of each independent light trap.As shown in Figure 6, little trap 12 is that spill point is coniform, improves light transmission rate with this.
In the present embodiment, each independent light trap 10 is in cellular close-packed arrays, but the arrangement of each independent light trap 10 is not limited to honeycomb fashion close-packed arrays, also such as square arrangement etc. can be adopted, but although the spread patterns such as square arrangement are processed easy, but less efficient, it is not first-selection of the present invention.
In the present invention, the ring-shaped light structure of trap adopting this special is to make other transparent material of photovoltaic glass and solar cell.Because photovoltaic glass of the present invention has above-mentioned special independent light structure of trap, the overwhelming majority (about 99.8%) can be made to enter into, and light in glass produces secondary reflection, triple reflection, four secondary reflections reflect even more frequently, therefore be reflected back toward atmospheric light and greatly reduce, thus enhance the transmitance of light.
The following detailed description of the light transmission principle of photovoltaic glass of the present invention.According to physics principle, when light enters into another kind of medium from a kind of medium, as long as the density of medium is different, just by generation reflection and refraction.After incident light produces primary event and unirefringence on the inclined-plane of the light trapping structure of photovoltaic glass, a part of reverberation incides again adjacent inclined-plane, again produces secondary incident, makes incident light increase like this.Meanwhile, in repeatedly incident process, create the incident light of different angles, serve the effect of light scattering.
Fig. 2 is the light transmission schematic diagram of photovoltaic glass of the present invention, as shown in Figure 2, when light S incides the A-B inclined-plane of independent light trap 10 of the present invention, by generation reflection and refraction, produce reflection ray S1 and refracted ray S2, and when reflection ray S1 proceeds to the adjacent bevel surfaces of this independent light trap 10, namely during B-C inclined-plane, again there is reflection and refraction in this reflection ray S1, produce reflection ray S3 and refracted ray S4 (not shown), reflection and refraction is again there is in this reflection ray S3 at another interface, generation reflection ray S5 and refracted ray S6...... the like, due to this surface of independent light trap 10 dense distribution at photovoltaic glass 1 and the structure of its uniqueness, finally, overwhelming majority light is repeatedly reflected, and be reflected back toward atmospheric light and greatly reduce.
In the present invention, as shown in Figure 2, when there is first reflection and refraction, about 96% of incident ray reflects on the inclined-plane of independent light structure of trap, and the light of nearly 4% reflects on this inclined-plane, this light that there occurs about 4% of reflection continues reflection and refraction occur at the adjacent bevel surfaces of above-mentioned independent light structure of trap, after multiple reflections and refraction, finally, about 3.64%(in the reflection ray of about 4% is namely: 4% × 96%=3.64%) captured, and only has the light of about 0.16% to be returned to atmosphere.
In addition, in order to process the colored shape of independent light structure of trap, present inventor develops corresponding special equipment and dedicated tool, can produce female wheel relatively easily, and adopting female wheel to go rolling roller is then traditional technology.For this reason, inventor once carried out test of many times, the roll that to achieve at diameter be 300mm rolls out the taper decorative pattern of 0.15mm, roll of the present invention next only need be adopted to replace roll on existing photovoltaic production line, can produce the independent light trap type photovoltaic glass made new advances.
Brief description is carried out to the course of processing of the photovoltaic glass of independent light structure of trap of the present invention below.
Present inventor adopts above-mentioned special equipment and dedicated tool to process female wheel with independent light structure of trap, then, adopts this female wheel to remove rolling roller, is finally installed to by this roll on calender and suppresses the transparent plate such as glass, PMMA, PET.
From technological layer, existing roll adopts etch to process, and its course of processing is complicated, and cost is higher.And the present invention adopts above-mentioned rolling depression method, can either to reduce costs and simple and reliable.
By the description of above execution mode, those skilled in the art can understand, and when without departing from the spirit and scope of the present invention, can also make various change and replacement to the specific embodiment of the present invention.These change and replace and all drop in claims limited range of the present invention.
Claims (8)
1. the photovoltaic glass for solar cell, it is characterized in that, the surface of this photovoltaic glass has independently cirque structure, i.e. independent light structure of trap, wherein the external diameter of ring is within the scope of 0.1 ~ 5mm, the angle of inner and outer ring is less than or equal to 90 °, makes the multiple reflections of light and refraction complete in this independently cirque structure thus.
2. photovoltaic glass according to claim 1, is characterized in that, is provided with less light trapping to improve light transmission rate at the blank position of described independent light trap.
3. according to the photovoltaic glass that claim 2 is stated, it is characterized in that, described less light trapping is spill point cone shape.
4. according to the photovoltaic glass in claims 1 to 3 described in any one, it is characterized in that, described independent light trap is cellular close-packed arrays.
5. according to the photovoltaic glass in claims 1 to 3 described in any one, it is characterized in that, described independent light trap is square arrangement.
6. a solar cell, its have for packaging protection, photovoltaic glass described in Claims 1 to 5.
7. for processing a device for photovoltaic glass flower shape, it is characterized in that, described colored shape is in independently cirque structure, i.e. independent ring-type light trapping structure, and wherein the external diameter of ring is within the scope of 0.1 ~ 5mm, and the angle of inner and outer ring is less than or equal to 90 °.
8. for the manufacture of a method for the photovoltaic glass described in Claims 1 to 5, it is characterized in that, comprise the steps:
The female wheel adopting processing unit (plant) according to claim 7 to process " independent light structure of trap " to combine;
Adopt described female wheel to remove rolling roller, this roll is installed on calender;
Photovoltaic glass is suppressed by described calender.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450495.8A CN105470328B (en) | 2014-09-05 | 2014-09-05 | Independent light trap type photovoltaic glass |
| DE102015216994.4A DE102015216994A1 (en) | 2014-09-05 | 2015-09-04 | Photovoltaic glass with independent light traps |
| HK16107975.6A HK1220038A1 (en) | 2014-09-05 | 2016-07-08 | Photovoltaic glass with independent light traps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410450495.8A CN105470328B (en) | 2014-09-05 | 2014-09-05 | Independent light trap type photovoltaic glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105470328A true CN105470328A (en) | 2016-04-06 |
| CN105470328B CN105470328B (en) | 2018-01-09 |
Family
ID=55358701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410450495.8A Active CN105470328B (en) | 2014-09-05 | 2014-09-05 | Independent light trap type photovoltaic glass |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN105470328B (en) |
| DE (1) | DE102015216994A1 (en) |
| HK (1) | HK1220038A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452287A (en) * | 2016-12-05 | 2017-02-22 | 中国地质大学（武汉） | Micro-nano light trap honeycomb energy storage composite power generation device |
| CN106533326A (en) * | 2016-11-03 | 2017-03-22 | 中国地质大学（武汉） | Micro-nano multi-light trap type solar composite generating integrated device |
| CN107340555A (en) * | 2017-08-16 | 2017-11-10 | 西安应用光学研究所 | Big angle of divergence light absorbs trap |
| CN111807690A (en) * | 2020-07-23 | 2020-10-23 | 暨南大学 | Preparation method of photovoltaic glass |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224978A (en) * | 1990-12-21 | 1993-07-06 | Saint-Gobain Vitrage International | Method for making hot rolled diffusing glazings |
| US20040095650A1 (en) * | 2002-08-02 | 2004-05-20 | Tracy Richard J. | Reduced visibility surface |
| CN1596374A (en) * | 2001-11-28 | 2005-03-16 | 法国圣戈班玻璃厂 | Textured transparent panel having a high light transmission |
| CN102854553A (en) * | 2011-06-29 | 2013-01-02 | 财团法人工业技术研究院 | Multiple reflection structure and photoelectric element |
| CN204167330U (en) * | 2014-09-05 | 2015-02-18 | 严世杰 | Independent light trap type photovoltaic glass |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1157929A (en) | 1996-10-31 | 1997-08-27 | 汪凌志 | Optical element for controling surface image changing mirror surface reflection and its manufacturing method |
| CN102623578A (en) | 2012-02-15 | 2012-08-01 | 潘慧英 | Aperture array light trap technology applied to thin-film solar cell |
-
2014
- 2014-09-05 CN CN201410450495.8A patent/CN105470328B/en active Active
-
2015
- 2015-09-04 DE DE102015216994.4A patent/DE102015216994A1/en active Pending
-
2016
- 2016-07-08 HK HK16107975.6A patent/HK1220038A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5224978A (en) * | 1990-12-21 | 1993-07-06 | Saint-Gobain Vitrage International | Method for making hot rolled diffusing glazings |
| CN1596374A (en) * | 2001-11-28 | 2005-03-16 | 法国圣戈班玻璃厂 | Textured transparent panel having a high light transmission |
| US20040095650A1 (en) * | 2002-08-02 | 2004-05-20 | Tracy Richard J. | Reduced visibility surface |
| CN102854553A (en) * | 2011-06-29 | 2013-01-02 | 财团法人工业技术研究院 | Multiple reflection structure and photoelectric element |
| CN204167330U (en) * | 2014-09-05 | 2015-02-18 | 严世杰 | Independent light trap type photovoltaic glass |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533326A (en) * | 2016-11-03 | 2017-03-22 | 中国地质大学（武汉） | Micro-nano multi-light trap type solar composite generating integrated device |
| CN106452287A (en) * | 2016-12-05 | 2017-02-22 | 中国地质大学（武汉） | Micro-nano light trap honeycomb energy storage composite power generation device |
| CN106452287B (en) * | 2016-12-05 | 2018-06-08 | 中国地质大学（武汉） | Micro-nano light trapping honeycomb energy storage combined generating device |
| CN107340555A (en) * | 2017-08-16 | 2017-11-10 | 西安应用光学研究所 | Big angle of divergence light absorbs trap |
| CN107340555B (en) * | 2017-08-16 | 2019-07-02 | 西安应用光学研究所 | Big angle of divergence light absorption trap |
| CN111807690A (en) * | 2020-07-23 | 2020-10-23 | 暨南大学 | Preparation method of photovoltaic glass |
| CN111807690B (en) * | 2020-07-23 | 2022-08-05 | 麦耀华 | Preparation method of photovoltaic glass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105470328B (en) | 2018-01-09 |
| DE102015216994A1 (en) | 2016-03-10 |
| HK1220038A1 (en) | 2017-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101455448B1 (en) | Substrate en verre transparent glass substrate and method for producing such a substrate | |
| McIntosh et al. | OPAL 2: Rapid optical simulation of silicon solar cells | |
| WO2017107783A1 (en) | Self-cleaning reflection reduction film and method of preparing same | |
| US8338693B2 (en) | Solar arrays and other photovoltaic (PV) devices using PV enhancement films for trapping light | |
| KR101443423B1 (en) | Photovoltaic device | |
| CN105470328B (en) | Independent light trap type photovoltaic glass | |
| TWI479669B (en) | Anti-reflective and light-trapping solar module package structure | |
| Soldera et al. | Potential of Photocurrent Improvement in μc‐Si: H Solar Cells with TCO Substrates Structured by Direct Laser Interference Patterning | |
| Lee et al. | RGB-colored Cu (In, Ga)(S, Se) 2 thin-film solar cells with minimal efficiency loss using narrow-bandwidth stopband nano-multilayered filters | |
| CN103633193B (en) | A kind of micro structure for silicon-based thin film solar cell falls into light method | |
| CN209947851U (en) | Light-gathering glass plate with micro-nano composite suede, photovoltaic chemical toughened glass and photovoltaic module | |
| CN204167330U (en) | Independent light trap type photovoltaic glass | |
| Barugkin et al. | Diffuse reflectors for improving light management in solar cells: a review and outlook | |
| CN207009445U (en) | A kind of solar cell module cover-plate glass | |
| CN101872795B (en) | Solar module encapsulation structure | |
| CN105355697A (en) | A light trapping structure and a manufacturing method thereof and a thin-film solar cell having the structure | |
| CN111640810B (en) | Embossed glass with tapered suede and solar cell module | |
| Li et al. | Long-term photovoltaic performance of thin-film solar cells with diffractive microlens arrays on glass substrates | |
| Seifert et al. | Light management in solar modules | |
| CN112103369A (en) | Light-gathering glass plate with micro-nano composite suede and preparation process and application thereof | |
| Kumar et al. | Converging photo-absorption limit in periodically textured ultra-thin silicon foils and wafers | |
| Isabella et al. | Front/rear decoupled texturing in refractive and diffractive regimes for ultra-thin silicon-based solar cells | |
| CN204375768U (en) | Based on the solar cell of silicon nanowires three-dimensional structure | |
| CN220569689U (en) | Component packaging glass capable of enhancing light trapping capacity | |
| CN207705212U (en) | Photovoltaic glass and its photovoltaic module of application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1220038 Country of ref document: HK |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1220038 Country of ref document: HK |