CN112366238A - Manufacturing method of front plate of solar power generation assembly and solar cell - Google Patents
Manufacturing method of front plate of solar power generation assembly and solar cell Download PDFInfo
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- CN112366238A CN112366238A CN201910684897.7A CN201910684897A CN112366238A CN 112366238 A CN112366238 A CN 112366238A CN 201910684897 A CN201910684897 A CN 201910684897A CN 112366238 A CN112366238 A CN 112366238A
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Images
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
-
- 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 a manufacturing method of a front plate of a solar power generation assembly and a solar cell, wherein the manufacturing method comprises the following steps: cleaning and drying the toughened glass; manufacturing lines of decorative patterns on one side of the toughened glass, wherein the area surrounded by the lines is a film coating area; and manufacturing a color film layer in the coating area. On the toughened glass after washing and drying, make decorative pattern's lines and colour rete in proper order, the independent preparation of colour rete has avoided light to be absorbed by the battery chip, cause the unobvious and the distortion of colour, the luminousness of the colour rete of independent preparation is high moreover, it sees through the reverberation high-usage that the front bezel reachs the chip, the generating efficiency is high, and with black or blue chip lamination back, the pattern can not become shallow and disappear, make the whole decorative effect of front bezel good.
Description
Technical Field
The invention relates to the technical field of solar cell production equipment, in particular to a method for manufacturing a front plate of a solar power generation assembly and a solar cell.
Background
With the gradual shortage of energy in recent years, the development and utilization of renewable energy are more and more urgent, and the technology in renewable energy is also rapidly developed under the driving of the urgent demand. Among the numerous renewable energy sources, the utilization technology of solar energy is always kept the forefront, and the solar power generation technology is the most prominent utilization mode. The combination of solar power generation technology with buildings has resulted in building-integrated photovoltaics (BIPV) technology, which integrates solar power (photovoltaic) products into buildings. Building integrated photovoltaics can be divided into two main categories: one is the combination of the photovoltaic array and the building, and the other is the integration of the photovoltaic array and the building. In both of these ways, the integration of photovoltaic arrays with buildings is a common form, particularly solar roof tiles in combination with building roofs. The combination of the photovoltaic square matrix and the building does not occupy extra ground space, and the photovoltaic square matrix is the best installation mode for wide application of a photovoltaic power generation system in cities, so the photovoltaic square matrix is concerned. In order to perfectly combine the photovoltaic square matrix with the building roof and simultaneously consider the production cost of the photovoltaic square matrix, patterns need to be manufactured on the photovoltaic square matrix. At present, the simultaneous production of patterns and colors with high saturation is realized by printing, when printing glass with bright colors is laminated with a chip with dark blue or black colors, as light reaching the chip is basically absorbed, few light is reflected, and the laminated colors are very unobvious and seriously distorted. The pattern with bright color has poor light transmittance of the pigment, so that the light transmittance is very low, and the power generation efficiency is seriously influenced.
Therefore, it is desirable to provide a method for manufacturing a front plate of a solar power generation module and a solar cell to solve the disadvantages of the prior art.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for manufacturing a front plate of a solar power generation assembly and a solar cell.
A manufacturing method of a front plate of a solar power generation assembly comprises the following steps:
cleaning and drying the toughened glass;
manufacturing lines of decorative patterns on one side of the toughened glass, wherein the area surrounded by the lines is a film coating area;
and manufacturing a color film layer in the coating area.
Further, the washing and drying the tempered glass includes:
and cleaning the toughened glass by adopting pure water or deionized water, and then standing and drying or heating to dry the toughened glass.
Further, the lines for manufacturing the decorative patterns on one side of the tempered glass comprise:
and putting the dried toughened glass into a printer, and printing lines of the decorative patterns on one side of the toughened glass by using the printer.
Further, the step of manufacturing a color film layer in the coating region includes:
and plating a color film layer in the film coating area of the toughened glass by adopting a magnetron sputtering process.
Furthermore, in the magnetron sputtering process, the cathode target comprises a silicon target, an aluminum target and/or a silicon-aluminum target, and the process temperature comprises 50-70 ℃.
Further, the color film layer comprises alternately arranged high refractive index films and low refractive index films, and the high refractive index films are attached to the tempered glass.
Further, the thickness uniformity of the high refractive index film is less than or equal to ± 2.5%; the low refractive index film has a thickness uniformity of less than or equal to ± 2.5%.
Based on the same invention thought, the invention also provides a solar cell, which comprises the solar power generation assembly front plate; the solar power generation assembly front plate is manufactured by the manufacturing method of the solar power generation assembly front plate.
Further, the solar power generation module comprises a solar power generation chip, a back plate, a first adhesive film layer and a second adhesive film layer;
the solar power generation assembly front plate, the first adhesive film layer, the solar power generation chip, the second adhesive film layer and the back plate are sequentially attached and connected.
Further, the solar power generation assembly front plate, the first adhesive film layer, the solar power generation chip, the second adhesive film layer and the back plate are connected by the following method:
sequentially stacking the solar power generation assembly front plate, the first adhesive film layer, the solar power generation chip, the second adhesive film layer and the back plate and placing the stacked solar power generation assembly front plate, the first adhesive film layer, the solar power generation chip, the second adhesive film layer and the back plate in a laminating mold;
placing the laminating die in laminating equipment, and laminating by adopting a step-by-step laminating process, wherein the temperature of each step of laminating is gradually increased, the pressure of each step of laminating is gradually increased, the temperature of the first step of laminating is not lower than 80 ℃, the temperature of the last step of laminating is not higher than 180 ℃, the laminating time of each step is within the range of 1-5min, and the total laminating time of each step is within 30 min;
and cooling the laminated solar cell.
Compared with the closest prior art, the technical scheme of the invention has the following advantages:
according to the manufacturing method of the front plate of the solar power generation assembly, the lines and the color film layers of the decorative patterns are sequentially manufactured on the tempered glass after being cleaned and dried, the independent manufacture of the color film layers avoids that light rays are absorbed by a battery chip to cause unobvious colors and distortion, the light transmittance of the independently manufactured color film layers is high, the utilization rate of reflected light penetrating through the front plate and reaching the chip is high, the power generation efficiency is high, and the patterns cannot become light or disappear after being laminated with a black or blue chip, so that the integral decorative effect of the front plate is good.
Drawings
FIG. 1 is a flow chart of a method for manufacturing a front plate of a solar power module according to the present invention;
fig. 2 is a schematic structural diagram of a solar cell provided by the present invention.
Wherein, 1-a front plate of a solar power generation assembly; 2-a first glue film layer; 3-a solar power generation chip; 4-a second glue film layer; 5-back plate.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying examples and figures 1-2. FIG. 1 is a flow chart of a method for manufacturing a front plate of a solar power module according to the present invention; and, fig. 2 is a schematic structural view of a solar cell provided by the present invention.
The invention provides a method for manufacturing a front plate of a solar power generation assembly, which comprises the following steps: s1, cleaning and drying the toughened glass; s2, manufacturing lines of decorative patterns on one side of the toughened glass, wherein the area surrounded by the lines is a film coating area; and S3, manufacturing a color film layer in the coating area. On the toughened glass after washing and drying, make decorative pattern's lines and colour rete in proper order, the independent preparation of colour rete has avoided light to be absorbed by the battery chip, cause the unobvious and the distortion of colour, the luminousness of the colour rete of independent preparation is high moreover, it sees through the reverberation high-usage that the front bezel reachs the chip, the generating efficiency is high, and with black or blue chip lamination back, the pattern can not become shallow and disappear, make the whole decorative effect of front bezel good.
In some embodiments of the present invention, the washing and drying the tempered glass comprises: and cleaning the toughened glass by adopting pure water or deionized water, and then standing and drying or heating to dry the toughened glass. The selected toughened glass is super-white toughened glass, the thickness is 3-8mm, the light transmittance is greater than 90%, and the toughened glass can be cleaned to remove dirt or impurities on the surface of the toughened glass, so that the light transmittance and the bonding strength with printing ink and a coating film are increased.
In some embodiments of the present invention, the line for making the decorative pattern on one side of the tempered glass includes: and putting the dried toughened glass into a printer, and printing lines of the decorative patterns on one side of the toughened glass by using the printer.
The design that the pattern that will print needs on the computer, can select the tile shape pattern of traditional building to accomplish the perfect adaptation with the building, the concrete tile shape can select chinese style tile, japanese style tile, roman tile, rhine tile, imitative ancient tile, musical instrument tile, fish scale tile, spanish S tile or dull and stereotyped tile etc. tile shape size designs according to actual size, because super white toughened glass' S size is great, the pattern here is the combination pattern after the overlap joint of a plurality of tiles, in order to guarantee the luminousness and avoid the roofing tile to produce the hot spot effect, select transparent pattern and light grey pattern for use, realize through adjusting the light and shade contrast and the transparency of pattern promptly.
When printing, the dried glass is sent into a printer, preferably a UV flat-panel printer, the ink is better in weather resistance and heat resistance, the printer is provided with at least 6 ink boxes, 2 groups of spray heads, one each of full-color printing (CMYK), one base coat and one gloss oil, the size of the spray head is 0.1-2mm, and if the precision of the pattern is higher, the spray head with smaller ink dots can be selected. After the printer is started, the resolution is adjusted, and the pattern is opened by printing software for printing.
In some embodiments of the present invention, the fabricating the color film layer in the coating region includes: and plating a color film layer in the film coating area of the toughened glass by adopting a magnetron sputtering process. The magnetron sputtering process coating can realize high light transmittance and larger adhesive force, increase the bonding strength and high light transmittance of the color film layer, and improve the utilization rate and the power generation efficiency of solar energy. The magnetron sputtering process is operated by a vacuum coating machine, and the specific operation of the vacuum coating machine and the magnetron sputtering process belongs to the mature operation of the technicians in the field and is not described in detail herein.
In some embodiments of the present invention, in the magnetron sputtering process, the cathode target material includes a silicon target, an aluminum target and/or a silicon aluminum target, and the process temperature includes 50-70 ℃. The target material and the temperature can ensure that the plated color film layer has higher light transmittance and adhesive force, and the specific color can be brick red, blue, gold red, gray or colored glaze color which is common in buildings.
In some embodiments of the present invention, the color film layer includes alternately arranged high refractive index films and low refractive index films, and the high refractive index films are attached to the tempered glass. The high refractive index film can be a silicon nitride film (SiNx film), and the low refractive index film can be an aluminum oxide film (ALOx film). The two film layers enable the reflected light which penetrates through the front plate and reaches the chip to be high in utilization rate and high in power generation efficiency, and after the two film layers are laminated with the black or blue chip, the pattern cannot become shallow and disappear, so that the whole decorative effect of the front plate is good.
In some embodiments of the present invention, the high index film has a thickness uniformity of less than or equal to ± 2.5%; the low refractive index film has a thickness uniformity of less than or equal to ± 2.5%.
Based on the same invention thought, the invention also provides a solar cell, which comprises the solar power generation assembly front plate 1; the solar power generation assembly front plate 1 is manufactured by the manufacturing method of the solar power generation assembly front plate.
In some embodiments of the present invention, the solar power generation module further comprises a solar power generation chip 3, a back sheet 5, a first adhesive film layer 2 and a second adhesive film layer 4; the solar power generation assembly comprises a front plate 1, a first adhesive film layer 2, a solar power generation chip 3, a second adhesive film layer 4 and a back plate 5 which are sequentially attached and connected.
The solar power generation chip 3 comprises a Copper Indium Gallium Selenide (CIGS) solar cell chip, a gallium arsenide (GaAs) solar cell chip, a cadmium telluride (CdTe) solar cell chip, an amorphous/monocrystalline Heterojunction (HIT) solar cell chip, an amorphous silicon thin film chip, a monocrystalline silicon chip and a polycrystalline silicon chip. Preferably a Copper Indium Gallium Selenide (CIGS) solar cell, preferably 1200mm 800mm in size.
The first adhesive film layer 2 and the second adhesive film layer 4 may be polyvinyl butyral film (PVB film), ethylene-vinyl acetate copolymer film (EVA film), high polymer film of ethylene and butylene (POE film), polyurethane film (TPU film), thermoplastic polyolefin (TPO film), or silicone film. In order to ensure adhesion, PVB films commonly used in construction are preferred.
The back sheet 5 may be a tempered glass, an aluminum-plated poly-terephthalic plastic back sheet (aluminum-plated PET back sheet) or a fluorine-containing back sheet, and of course, other photovoltaic back sheets besides the above three back sheets are also applicable to the solar cell of the present invention, but one of the above three back sheets is preferred when selecting, and among them, the tempered glass is most preferred, and the thickness is 3-8 mm.
In some embodiments of the present invention, the solar power module front plate 1, the first adhesive film layer 2, the solar power chips 3, the second adhesive film layer 4 and the back plate 5 are connected by the following method:
sequentially stacking the solar power generation assembly front plate 1, the first adhesive film layer 2, the solar power generation chip 3, the second adhesive film layer 4 and the back plate 5 and placing the stacked solar power generation assembly front plate, the first adhesive film layer, the second adhesive film layer and the back plate in a laminating mold;
placing the laminating die in laminating equipment, and laminating by adopting a step-by-step laminating process, wherein the temperature of each step of laminating is gradually increased, the pressure of each step of laminating is gradually increased, the temperature of the first step of laminating is not lower than 80 ℃, the temperature of the last step of laminating is not higher than 180 ℃, the laminating time of each step is within the range of 1-5min, and the total laminating time of each step is within 30 min;
and cooling the laminated solar cell.
The solar cell is obtained by the solar power generation assembly front plate 1, the solar chip 3 and the back plate 5 through a laminating process, which can adopt a traditional laminating process or a step-by-step laminating process of gradually increasing temperature and pressure step by step. The traditional lamination process is that a front plate 1 of a solar power generation assembly, a first adhesive film layer 2, a solar power generation chip 3, a second adhesive film layer 4 and a back plate 5 are sequentially laid to form a laminated structure, and then a lamination device is used for carrying out primary lamination treatment on the laminated structure. The laminating process can also be a step-by-step laminating process, namely, the laminating temperature and pressure are gradually increased along with the increase of the laminating times through a process means of multiple times of laminating, for example, after a laminated structure is formed, pre-laminating is firstly carried out at a lower temperature and pressure, then secondary laminating is carried out at a relatively higher temperature and pressure, and then tertiary laminating is carried out at a higher temperature and pressure until the laminated structure is firmly laminated, so that bubbles can be removed to the maximum extent, and the yield is improved.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The manufacturing method of the front plate of the solar power generation assembly is characterized by comprising the following steps of:
cleaning and drying the toughened glass;
manufacturing lines of decorative patterns on one side of the toughened glass, wherein the area surrounded by the lines is a film coating area;
and manufacturing a color film layer in the coating area.
2. The method of claim 1, wherein the washing and drying the tempered glass comprises:
and cleaning the toughened glass by adopting pure water or deionized water, and then standing and drying or heating to dry the toughened glass.
3. The method for manufacturing the front plate of the solar power generation assembly according to claim 1, wherein the manufacturing of the lines of the decorative pattern on one side of the tempered glass comprises:
and putting the dried toughened glass into a printer, and printing lines of the decorative patterns on one side of the toughened glass by using the printer.
4. The method of claim 1, wherein the step of forming a color film in the coating region comprises:
and plating a color film layer in the film coating area of the toughened glass by adopting a magnetron sputtering process.
5. The method for manufacturing the front plate of the solar power generation assembly according to claim 4, wherein in the magnetron sputtering process, the cathode target comprises a silicon target, an aluminum target and/or a silicon-aluminum target, and the process temperature comprises 50-70 ℃.
6. The method for manufacturing the front plate of the solar power generation assembly according to claim 4, wherein the color film layer comprises high-refractive-index films and low-refractive-index films which are alternately arranged, and the high-refractive-index films are attached to the tempered glass.
7. The method of claim 6, wherein the high index film has a thickness uniformity of less than or equal to ± 2.5%; the low refractive index film has a thickness uniformity of less than or equal to ± 2.5%.
8. A solar cell, characterized by comprising a solar power module front sheet (1); the solar power generation module front plate is manufactured by the manufacturing method of the solar power generation module front plate as claimed in any one of claims 1 to 7.
9. The solar cell according to claim 8, further comprising a solar power generation chip (3), a back sheet (5), a first adhesive film layer (2), and a second adhesive film layer (4);
the solar power generation assembly comprises a solar power generation assembly front plate (1), a first adhesive film layer (2), a solar power generation chip (3), a second adhesive film layer (4) and a back plate (5) which are sequentially attached and connected.
10. The solar cell according to claim 9, wherein the solar power module front sheet (1), the first adhesive film layer (2), the solar power chips (3), the second adhesive film layer (4) and the back sheet (5) are connected by:
sequentially stacking the solar power generation assembly front plate (1), the first adhesive film layer (2), the solar power generation chip (3), the second adhesive film layer (4) and the back plate (5) and placing the solar power generation assembly front plate, the first adhesive film layer, the second adhesive film layer and the back plate in a laminating mold;
placing the laminating die in laminating equipment, and laminating by adopting a step-by-step laminating process, wherein the temperature of each step of laminating is gradually increased, the pressure of each step of laminating is gradually increased, the temperature of the first step of laminating is not lower than 80 ℃, the temperature of the last step of laminating is not higher than 180 ℃, the laminating time of each step is within the range of 1-5min, and the total laminating time of each step is within 30 min;
and cooling the laminated solar cell.
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| CN114262162A (en) * | 2021-12-21 | 2022-04-01 | 夏能科技(北京)有限公司 | Design method of long-acting photovoltaic glass with decoration function |
| CN114597284A (en) * | 2021-03-18 | 2022-06-07 | 北京劲吾新能源科技有限公司 | Method for improving weather resistance of color layer on surface of photovoltaic module |
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