CN115732588A - Photovoltaic module with fluorescence and preparation method and application thereof - Google Patents
Photovoltaic module with fluorescence and preparation method and application thereof Download PDFInfo
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- CN115732588A CN115732588A CN202211426168.XA CN202211426168A CN115732588A CN 115732588 A CN115732588 A CN 115732588A CN 202211426168 A CN202211426168 A CN 202211426168A CN 115732588 A CN115732588 A CN 115732588A
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
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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
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- Y02E10/52—PV systems with concentrators
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Abstract
The present application relates to a photovoltaic module with fluorescence, the photovoltaic module with fluorescence includes: a photovoltaic cell panel; the photovoltaic cell panel comprises a photovoltaic cell panel and a color layer arranged on the photovoltaic cell panel, wherein the color layer comprises dark color blocks and light color blocks, and the dark color blocks are made of dark color pigments and fluorescent materials which absorb ultraviolet rays and emit visible light. According to the photovoltaic module with the fluorescence provided by the embodiment of the application, the fluorescent material is added into the material with the dark color block, the fluorescent material can absorb ultraviolet rays and emit visible light, and a part of the visible light can irradiate the area of the photovoltaic cell panel covered by the dark color block, so that the photovoltage of the area is improved, and the hot spot effect is relieved; the fluorescent material can be matched with an ultraviolet lamp at night, color is developed under the irradiation of ultraviolet light, and a part of patterns on the photovoltaic cell panel can be seen at night.
Description
Technical Field
The application relates to the field of photovoltaics, in particular to a photovoltaic module with fluorescence and a preparation method and application thereof.
Background
With the development of the photovoltaic industry, the cost of photovoltaic panels is decreasing day by day, and the combination of photovoltaic technology and urbanization is becoming more mature, photovoltaic panels begin to show a trend of large-scale application in urban construction. One important aspect of the application of photovoltaic panels in urban construction is the application to the exterior of buildings. Because photovoltaic cell board itself is mainly black or blue, when photovoltaic cell board laid the building outside, can cause the influence to the pleasing to the eye of building. In order to increase the aesthetic feeling of the photovoltaic cell panel, the photovoltaic cell panel is colored and patterned by pigment when being laid outside a building. This can reduce photovoltaic cell panel's generated power to a certain extent, but can promote its aesthetic measure greatly.
However, because the colors of the pigments are different, the light-colored pigment absorbs less visible light, and the dark-colored pigment absorbs more visible light, so that the light transmittance at the dark-colored pigment is low, and the visible light irradiated on the portion, covered by the dark-colored pigment, of the photovoltaic cell panel is less, thereby generating a hot spot effect, affecting the working efficiency of the photovoltaic cell panel, and even causing damage to the photovoltaic cell panel.
Disclosure of Invention
The embodiment of the application provides a photovoltaic module with fluorescence and a preparation method thereof, and aims to solve the technical problems that visible light irradiating on a part, covered with a dark pigment, of a photovoltaic cell panel is less and a hot spot effect is generated.
In a first aspect, embodiments of the present application provide a fluorescent photovoltaic module, which includes:
a photovoltaic cell panel, a color layer disposed on the photovoltaic cell panel,
the photovoltaic cell panel comprises a cell panel frame, a back panel, a photovoltaic cell and a transparent front panel, wherein the back panel, the photovoltaic cell and the transparent front panel are sequentially stacked in the cell panel frame;
the color layer comprises dark color blocks and light color blocks, the dark color blocks are made of dark color pigments and fluorescent materials which absorb ultraviolet rays and emit visible light, and the low-light-transmission raw materials are pigments with the light transmittance of not higher than 50% under the thickness of 20 microns.
In some embodiments of the present application, the dark pigment is a UV light curable ink; and/or the presence of a gas in the gas,
the fluorescent material is UV fluorescent ink.
In some embodiments of the present application, the material of the dark color block is a mixture of the dark color pigment and the fluorescent material.
In some embodiments of the present application, the dark color block has a thickness of 10-20 μm.
In a second aspect, based on one general inventive concept, embodiments of the present application further provide a method for manufacturing a photovoltaic module with fluorescence, the method for manufacturing a photovoltaic module with fluorescence includes the following steps:
providing a photovoltaic cell panel;
and forming a dark color block on the photovoltaic cell panel by taking the fluorescent material and the dark color pigment as materials, and forming a light color block on the photovoltaic cell panel by taking the light color pigment as a material.
In some embodiments of the present application, the forming of the dark color blocks on the photovoltaic cell panel by using the fluorescent material and the dark color pigment as the materials and the forming of the light color blocks on the photovoltaic cell panel by using the light color pigment as the materials includes the following steps:
preparing a white pigment layer on the photovoltaic cell panel;
and mixing the fluorescent material and the dark pigment, arranging the mixture on a white pigment layer to form dark color blocks, and arranging the light pigment on the white pigment layer to form light color blocks.
In some embodiments of the present application, the dark pigment is a UV light curable ink; and/or the presence of a gas in the gas,
the light-colored pigment is UV light-cured printing ink; and/or the presence of a gas in the atmosphere,
the fluorescent material is UV fluorescent ink.
In a third aspect, an embodiment of the present application provides a building, where the photovoltaic module with fluorescence described in any one of the first aspect or the photovoltaic module with fluorescence prepared by the method for preparing a photovoltaic module with fluorescence described in any one of the second aspect is disposed on the building.
In a fourth aspect, an embodiment of the present application provides an urban public facility, where the photovoltaic module with fluorescence described in any embodiment of the first aspect or the photovoltaic module with fluorescence prepared by the method for preparing the photovoltaic module with fluorescence described in any embodiment of the second aspect is disposed on the urban public facility.
In a fifth aspect, embodiments of the present application provide an individual electricity utilization or storage facility, where the photovoltaic module with fluorescence described in any embodiment of the first aspect or the photovoltaic module with fluorescence prepared by the method for preparing the photovoltaic module with fluorescence described in any embodiment of the second aspect is disposed on the individual electricity utilization or storage facility.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
according to the photovoltaic module with the fluorescence provided by the embodiment of the application, the fluorescent material is added into the material with the dark color block, the fluorescent material can absorb ultraviolet rays and emit visible light, and a part of the visible light can irradiate the area of the photovoltaic cell panel covered by the dark color block, so that the photovoltage of the area is improved, and the hot spot effect is relieved; the fluorescent material can absorb the surrounding ultraviolet light to form visible light, so that the dark color block can also increase the visible light, and the color development is more obvious; the fluorescent material can be matched with an ultraviolet lamp at night, color is developed under the irradiation of ultraviolet light, and a part of patterns on the photovoltaic cell panel can be seen at night.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and, together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a photovoltaic cell panel provided in an embodiment of the present application.
FIG. 2 is a schematic flow chart of a method for manufacturing a photovoltaic module with fluorescence according to an embodiment of the present disclosure;
fig. 3 is a schematic flow chart of step S2 in the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some 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.
Unless otherwise specifically noted, terms used herein are to be understood as meaning as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. If there is a conflict, the present specification will control.
Unless otherwise specifically indicated, various raw materials, reagents, instruments, equipment and the like used in the present application are either commercially available or can be prepared by existing methods.
The existing photovoltaic module has the technical problems that visible light irradiating on a photovoltaic cell panel and covering a dark pigment part is less, and a hot spot effect is generated.
In order to solve the technical problems, the general idea of the technical scheme provided by the embodiment of the application is as follows:
in a first aspect, embodiments of the present application provide a fluorescent photovoltaic module, which includes:
a photovoltaic cell panel, a color layer disposed on the photovoltaic cell panel,
referring to fig. 1, the photovoltaic cell panel includes a cell panel frame 1, a back panel 2, a photovoltaic cell 3, and a transparent front panel 4, which are sequentially stacked in the cell panel frame 1, adhesive films 5 are disposed on both sides of the photovoltaic cell 3 and are respectively bonded to the back panel 2 and the transparent front panel 4 through the adhesive films 5, and a junction box electrically connected to the photovoltaic cell 3 is disposed on the back panel 2;
the color layer comprises dark color blocks and light color blocks, the dark color blocks are made of dark color pigments and fluorescent materials which absorb ultraviolet rays and emit visible light, and the low-light-transmission raw materials are pigments with the light transmittance of not higher than 50% under the thickness of 20 microns.
The panel frame is used to hold other plate-like members of the photovoltaic panel, including a back plate, photovoltaic cells, and a transparent front plate, as will be appreciated by those skilled in the art. The material of the cell plate frame can adopt the conventional material in the field, such as a high molecular material and a metal material.
It will be understood by those skilled in the art that the backsheet is a product commercialized in the art. The back sheet is mainly used for protecting the photovoltaic cell and providing support for the photovoltaic cell.
It will be understood by those skilled in the art that the transparent front plate is a product commercialized in the art, and the transparent front plate commonly used in the art is made of ultra-white glass. The transparent front plate can also be made of transparent polymers.
As will be appreciated by those skilled in the art, the junction box is used to output the photocurrent generated by the photovoltaic cell.
As will be understood by those skilled in the art, pigment refers to a substance that can be applied and take on color and hue. In practical applications, UV light curable inks are often used as pigments.
It is understood by those skilled in the art that dark pigments are all pigments of black, brown, dark blue, etc. color.
As will be appreciated by those skilled in the art, the color layer may present a picture in the sun to improve the aesthetic appearance of the photovoltaic panel.
As will be understood by those skilled in the art, a fluorescent material refers to a material having a fluorescence phenomenon, and fluorescence refers to a fluorescent material absorbing incident light with a short wavelength and then converting a part of the absorbed energy into internal energy directly or indirectly, and emitting the other part of the absorbed energy in the form of emergent light with a long wavelength, wherein the emergent light is visible light, and the emergent light appears to emit fluorescence. The electrons of the fluorescent material transition to an excited state after absorbing incident light of a short wavelength, and are excited and radiate emergent light with receding. The time interval from the absorption of a photon into an excited state to the de-excitation of the released photon is very short, generally not higher than 20ms, and macroscopically, it is shown that once the incident light disappears, the fluorescence disappears.
As will be understood by those skilled in the art, the hot spot effect refers to: under certain conditions, part of the cells in the photovoltaic system are shielded by other surrounding objects, so that local shadow is caused, and the shielded part generates heat. The specific conditions here may be, for example, the shade of leaves, bird droppings, and dark color blocks as described in the present application. The specific principle is that the light voltage of a part which is less illuminated is low, the light voltage of a part which is more illuminated is high, and the current flows from the part with high light voltage to the part with low light voltage, so that the electric heating is caused.
As will be appreciated by those skilled in the art, existing commercial photovoltaic panels typically absorb visible light to convert the light energy into electrical energy, typically in the wavelength range of 360-760nm. The wavelength range of the ultraviolet light is defined as 200-400nm, that is, most of the ultraviolet light cannot be absorbed by the commercial photovoltaic cell panels. The fluorescent material can absorb ultraviolet light and then radiate visible light, and the fluorescent material is located at a dark color block of the color layer, so that the visible light which is irradiated on the photovoltaic cell panel and covers a dark color pigment part is increased, and the hot spot effect is relieved.
In the present application, the pigment and the fluorescent material may be mixed with each other, or may be formed as two different layers, respectively.
It should be noted that the color layer usually includes a white pigment layer and a color pigment layer, and the color of the color block is embodied by the color pigment. The white pigment layer serves as a substrate for the color pigment layer. The photovoltaic panel itself is mainly black or blue, and if colored pigments are added directly, the colors are not obvious, so that two pigment layers are often arranged in the field.
According to the photovoltaic cell panel, the fluorescent material is added into the material of the dark color block, the fluorescent material can absorb ultraviolet rays and emit visible light, and a part of the visible light can irradiate an area of the photovoltaic cell panel covered by the dark color block, so that the photovoltage of the area is improved, and the hot spot effect is relieved; the fluorescent material can absorb the surrounding ultraviolet light to form visible light, so that the dark color block can also increase the visible light, and the color development is more obvious; the fluorescent material can be matched with an ultraviolet lamp at night, color is developed under the irradiation of ultraviolet light, and a part of patterns on the photovoltaic cell panel can be seen at night.
In some embodiments of the present application, the dark pigment is a UV light curable ink; and/or the presence of a gas in the gas,
the fluorescent material is UV fluorescent ink.
As can be understood by those skilled in the art, the UV light-cured ink and the UV fluorescent ink are common products in the field, and are good in compatibility and easy to mix with each other due to the fact that the UV light-cured ink and the UV fluorescent ink belong to the ink, and when different film layers are formed, the combination between the film layers is good.
In some embodiments of the present application, the material of the dark color block is a mixture of the dark color pigment and the fluorescent material.
In the application, after the fluorescent material is mixed with the dark color pigment, the dark color block can not only show the color of the dark color pigment but also show the color of fluorescence in the daytime, and the color of the fluorescence can be the combination of various colors, so that the aesthetic feeling is improved.
It will be understood by those skilled in the art that the mixing ratio of the dark color pigment and the fluorescent material should be determined according to the kind of the dark color pigment and the fluorescent material, and the application is not limited thereto.
In some embodiments of the present application, the dark color block has a thickness of 10-20 μm.
As can be understood by those skilled in the art, if the thickness of the dark color block is too thick, the transmittance of visible light can be significantly reduced, and the power generation power of the photovoltaic module is further affected; the color is not apparent if the thickness of the dark color block is too thin.
In a second aspect, based on a general inventive concept, embodiments of the present application further provide a method for manufacturing a photovoltaic module with fluorescence, please refer to fig. 2, the method for manufacturing the photovoltaic module with fluorescence includes the following steps:
s1: providing a photovoltaic cell panel;
s2: and forming a dark color block on the photovoltaic cell panel by taking the fluorescent material and the dark color pigment as materials, and forming a light color block on the photovoltaic cell panel by taking the light color pigment as a material.
In the application, the fluorescent material and the dark pigment can be mixed to form a dark color block, and also can form mutually laminated film layers to form the dark color block.
It will be appreciated by those skilled in the art that the method of forming the phosphor layer may be any method known in the art including, but not limited to, spraying, brushing.
As will be understood by those skilled in the art, forming a phosphor layer from the phosphor material refers to forming a phosphor layer by disposing a raw material containing a phosphor material that is easy to form a film on a photovoltaic cell panel or a pigment layer, and the raw material containing a phosphor material that is easy to form a film includes, but is not limited to, a phosphor solution, a phosphor suspension, and a phosphor slurry.
It will be understood by those skilled in the art that the method of forming the pigment layer can be any method known in the art including, but not limited to, spraying, brushing.
As will be understood by those skilled in the art, forming a pigment layer from the pigment refers to forming a fluorescent layer by disposing a raw material containing a pigment that is easy to form a film on a photovoltaic cell panel or a pigment layer, and the raw material containing a fluorescent material that is easy to form a film includes, but is not limited to, a pigment solution, a pigment suspension, a pigment slurry, a pigment polymer monomer, and a crosslinkable pigment polymer.
In some embodiments of the present application, in step S2, the forming of the dark color blocks on the photovoltaic cell panel by using the fluorescent material and the dark color pigment as materials and the forming of the light color blocks on the photovoltaic cell panel by using the light color pigment as materials please refer to fig. 3, which includes the following steps:
s21: preparing a white pigment layer on the photovoltaic cell panel;
s22: and mixing the fluorescent material and the dark pigment, arranging the mixture on a white pigment layer to form dark color blocks, and arranging the light pigment on the white pigment layer to form light color blocks.
In the application, after the fluorescent material is mixed with the dark color pigment, the dark color block can not only show the color of the dark color pigment but also show the color of fluorescence in the daytime, and the color of the fluorescence can be the combination of various colors, thereby enhancing the aesthetic feeling
In some embodiments of the present application, the dark pigment is a UV light curable ink; and/or the presence of a gas in the gas,
the light-colored pigment is UV light-cured printing ink; and/or the presence of a gas in the atmosphere,
the fluorescent material is UV fluorescent ink.
As can be understood by those skilled in the art, the UV light-cured ink and the UV fluorescent ink are common products in the field, and as the UV light-cured ink and the UV fluorescent ink both belong to ink, the UV light-cured ink and the UV fluorescent ink have good compatibility and are easy to mix with each other, and when different film layers are formed, the combination between the film layers is good.
In a third aspect, an embodiment of the present application provides a building, where the photovoltaic module with fluorescence described in any one of the first aspect or the photovoltaic module with fluorescence prepared by the method for preparing a photovoltaic module with fluorescence described in any one of the second aspect is disposed on the building. The building may be any form of building including, but not limited to, a building, a bridge, a greening facility, a factory building, and the like. The building is implemented based on the embodiment of the first aspect or the second aspect, and the specific implementation of the building may refer to the embodiment of the first aspect or the second aspect, and because the building adopts part or all of the technical solutions of the above embodiments, at least all of the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
In a fourth aspect, an embodiment of the present application provides an urban public facility, where the photovoltaic module with fluorescence described in any embodiment of the first aspect or the photovoltaic module with fluorescence prepared by the method for preparing the photovoltaic module with fluorescence described in any embodiment of the second aspect is disposed on the urban public facility. The urban public facility may be any form of urban public facility including, but not limited to, billboards, buses, bus stops, street lights, and the like. The urban public facility is implemented based on the embodiment of the first aspect or the second aspect, and the specific implementation of the urban public facility may refer to the embodiment of the first aspect or the second aspect, and since the urban public facility adopts part or all of the technical solutions of the above embodiments, the urban public facility at least has all the beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated here.
In a fifth aspect, embodiments of the present application provide an individual electricity utilization or storage facility, where the photovoltaic module with fluorescence described in any embodiment of the first aspect or the photovoltaic module with fluorescence prepared by the method for preparing the photovoltaic module with fluorescence described in any embodiment of the second aspect is disposed on the individual electricity utilization or storage facility. The personal electricity or electricity storage facility may be any facility capable of realizing electricity storage or utilization, including but not limited to a charger, a storage battery, an electric or hybrid vehicle, a drone, a mobile phone, a computer, and the like. The personal electricity utilization or storage facility is realized based on the embodiment of the first aspect or the second aspect, and the specific implementation of the personal electricity utilization or storage facility may refer to the embodiment of the first aspect or the second aspect.
The present application is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present application. The experimental methods of the following examples, which are not specified under specific conditions, are generally determined according to national standards. If there is no corresponding national standard, it is carried out according to the usual international standards, to the conventional conditions or to the conditions recommended by the manufacturer.
Example 1
The present embodiment provides a photovoltaic module with fluorescence, including:
the photovoltaic cell panel is 120cm long and 60cm wide;
the photovoltaic cell panel is covered with a white pigment layer, the white pigment layer is covered with deep color blocks and light color blocks, the deep color blocks and the light color blocks are rectangles with the length of 10cm and the width of 10cm, and each deep color block is adjacent to each light color block
Wherein, the material of the dark color block is black UV ink and UV fluorescent ink, and the ratio of 1:1, and the material of a light color block is yellow ink; the thickness of the dark color blocks and the light color blocks is 10 μm.
The embodiment also provides a preparation method of the photovoltaic module with fluorescence, which comprises the following steps:
sa: providing a photovoltaic cell panel;
sb: spraying white UV ink on the noctilucent layer to form a white pigment layer;
and (C) Sc: mixing black UV ink and UV fluorescent ink in a ratio of 1:1 to obtain mixed ink;
sd: the yellow ink was sprayed onto the white pigment layer to form a light color patch 10 μm thick, and the mixed ink was sprayed onto the white pigment layer to form a dark color patch 10 μm thick.
Wherein, dark color blocks and light color blocks are rectangles with the length of 10cm and the width of 10cm, and each dark color block is arranged adjacent to the light color block.
Example 2
This example only differs from example 1 in that:
the thickness of the dark color blocks and the light color blocks is 13 mu m; in step Sd, the thickness of both dark color blocks and light color blocks is 13 μm, as follows:
the present embodiment provides a photovoltaic module with fluorescence, including:
a photovoltaic cell panel with a length of 120cm and a width of 60 cm;
the photovoltaic cell panel is covered with a white pigment layer, the white pigment layer is covered with deep color blocks and light color blocks, the deep color blocks and the light color blocks are rectangles with the length of 10cm and the width of 10cm, and each deep color block is adjacent to each light color block
Wherein, the material of the dark color block is black UV ink and UV fluorescent ink, and the ratio of 1:1, the material of the light color block is yellow ink; the thickness of the dark color blocks and the light color blocks was 13 μm.
The embodiment also provides a preparation method of the photovoltaic module with fluorescence, which comprises the following steps:
sa: providing a photovoltaic cell panel;
sb: spraying white UV ink on the noctilucent layer to form a white pigment layer;
and (C) Sc: mixing black UV ink and UV fluorescent ink in a ratio of 1:1 to obtain mixed ink;
sd: the yellow ink was sprayed onto the white pigment layer to form a light color patch 13 μm thick, and the mixed ink was sprayed onto the white pigment layer to form a dark color patch 13 μm thick.
Wherein, dark color blocks and light color blocks are rectangles with the length of 10cm and the width of 10cm, and each dark color block is arranged adjacent to the light color block.
Example 3
This example differs from example 1 only in that:
the thickness of the dark color blocks and the light color blocks is 15 mu m; in the step Sd, the thickness of the dark color blocks and the light color blocks is 15 μm, which is as follows:
the present embodiment provides a photovoltaic module with fluorescence, including:
a photovoltaic cell panel with a length of 120cm and a width of 60 cm;
the photovoltaic cell panel is covered with a white pigment layer, the white pigment layer is covered with deep color blocks and light color blocks, the deep color blocks and the light color blocks are rectangles with the length of 10cm and the width of 10cm, and each deep color block is adjacent to each light color block
Wherein, the materials of the dark color blocks are black UV ink and UV fluorescent ink, and the ratio of 1:1, the material of the light color block is yellow ink; the thickness of the dark color blocks and the light color blocks was 15 μm.
The embodiment also provides a preparation method of the photovoltaic module with fluorescence, which comprises the following steps:
sa: providing a photovoltaic cell panel;
sb: spraying white UV ink on the noctilucent layer to form a white pigment layer;
and (C) Sc: mixing black UV ink and UV fluorescent ink in a ratio of 1:1 to obtain mixed ink;
sd: the yellow ink was sprayed onto the white pigment layer to form 15 μm thick light color patches, and the mixed ink was sprayed onto the white pigment layer to form 15 μm thick dark color patches.
Wherein, dark color blocks and light color blocks are rectangles with the length of 10cm and the width of 10cm, and each dark color block is arranged adjacent to the light color block.
Example 4
This example differs from example 1 only in that:
the thickness of the dark color blocks and the light color blocks is 18 mu m; in the step Sd, the thickness of the dark color blocks and the light color blocks are both 18 μm, which is as follows:
the present embodiments provide a fluorescent photovoltaic module, comprising:
a photovoltaic cell panel with a length of 120cm and a width of 60 cm;
the photovoltaic cell panel is covered with a white pigment layer, the white pigment layer is covered with deep color blocks and light color blocks, the deep color blocks and the light color blocks are rectangles with the length of 10cm and the width of 10cm, and each deep color block is adjacent to each light color block
Wherein, the material of the dark color block is black UV ink and UV fluorescent ink, and the ratio of 1:1, and the material of a light color block is yellow ink; the thickness of the dark color patches and the light color patches were 18 μm.
The embodiment also provides a preparation method of the photovoltaic module with fluorescence, which comprises the following steps:
sa: providing a photovoltaic cell panel;
sb: spraying white UV ink on the noctilucent layer to form a white pigment layer;
and (C) Sc: mixing black UV ink and UV fluorescent ink in a ratio of 1:1 to obtain mixed ink;
sd: the yellow ink was sprayed onto the white pigment layer to form light color patches 18 μm thick, and the mixed ink was sprayed onto the white pigment layer to form dark color patches 18 μm thick.
Wherein, dark color blocks and light color blocks are rectangles with the length of 10cm and the width of 10cm, and each dark color block is arranged adjacent to the light color block.
Example 5
This example differs from example 1 only in that:
the thickness of the dark color block and the light color block is 20 μm; in the step Sd, the thickness of the dark color blocks and the light color blocks is 20 μm, which is as follows:
the present embodiment provides a photovoltaic module with fluorescence, including:
a photovoltaic cell panel with a length of 120cm and a width of 60 cm;
the photovoltaic cell panel is covered with a white pigment layer, the white pigment layer is covered with deep color blocks and light color blocks, the deep color blocks and the light color blocks are rectangles with the length of 10cm and the width of 10cm, and each deep color block is adjacent to each light color block
Wherein, the material of the dark color block is black UV ink and UV fluorescent ink, and the ratio of 1:1, the material of the light color block is yellow ink; the thickness of the dark color blocks and the light color blocks were both 20 μm.
The embodiment also provides a preparation method of the photovoltaic module with fluorescence, which comprises the following steps:
sa: providing a photovoltaic cell panel;
sb: spraying white UV ink on the noctilucent layer to form a white pigment layer;
and (C) Sc: mixing black UV ink and UV fluorescent ink in a ratio of 1:1 to obtain mixed ink;
sd: the yellow ink was sprayed onto the white pigment layer to form a light color patch 20 μm thick, and the mixed ink was sprayed onto the white pigment layer to form a dark color patch 20 μm thick.
Wherein, the dark color blocks and the light color blocks are rectangles with the length of 10cm and the width of 10cm, and each dark color block is arranged adjacent to the light color block.
Comparative example
This comparative example differs from example 1 only in that:
the material of the dark color block is black UV ink; step Sc is not executed; in step Sd, the black ink is sprayed onto the white pigment layer to form a dark color patch of 10 μm, as follows:
the present comparative example provides a fluorescent photovoltaic module comprising:
a photovoltaic cell panel with a length of 120cm and a width of 60 cm;
the photovoltaic cell panel is covered with a white pigment layer, the white pigment layer is covered with deep color blocks and light color blocks, the deep color blocks and the light color blocks are rectangles with the length of 10cm and the width of 10cm, and each deep color block is adjacent to each light color block
Wherein, the material of the dark color block is black UV ink, and the material of the light color block is yellow ink; the thickness of the dark color blocks and the light color blocks are both 10 μm.
The embodiment also provides a preparation method of the photovoltaic module with fluorescence, which comprises the following steps:
sa: providing a photovoltaic cell panel;
sb: spraying white UV ink on the noctilucent layer to form a white pigment layer;
sd: the yellow ink was sprayed onto the white pigment layer to form a light color patch 10 μm thick, and the mixed ink was sprayed onto the white pigment layer to form a dark color patch 10 μm thick.
Wherein, dark color blocks and light color blocks are rectangles with the length of 10cm and the width of 10cm, and each dark color block is arranged adjacent to the light color block.
Relevant experimental and effect data:
the photovoltaic modules with fluorescence in the embodiments 1 to 5 and the comparative example were subjected to hot spot effect detection, specifically, the temperatures of the center points of the dark color blocks and the light color blocks were detected by a temperature measuring gun, and the temperature difference between the temperature of the center point of the dark color block and the temperature of the center point of the light color block was calculated after calculating the average value.
The test results are as follows:
| temperature difference (. Degree. C.) | |
| Example 1 | 4.52 |
| Example 2 | 4.61 |
| Example 3 | 4.63 |
| Example 4 | 4.66 |
| Example 5 | 4.68 |
| Comparative example | 5.2 |
The temperature difference in the table refers to the temperature difference between the center point of the dark color block and the center point of the light color block.
The increasing temperature difference of examples 1-5 is probably due to the fact that as the dark color patches are thickened, the visible light converted from the fluorescent material is more difficult to penetrate the dark color patches to reach the photovoltaic panel. The temperature differences in examples 1-5 were all significantly lower than in the comparative examples, which illustrates that examples 1-5 mitigate the hot spot effect by adding fluorescent material to the dark color patches.
Various embodiments of the present application may exist in a range of forms; it should be understood that the description in range format is merely for convenience and brevity and should not be construed as an inflexible limitation on the scope of the application; accordingly, the described range descriptions should be considered to have specifically disclosed all the possible sub-ranges as well as individual numerical values within that range. For example, it is contemplated that the description of a range from 1 to 6 has specifically disclosed sub-ranges, such as from 1 to 3, from 1 to 4, from 1 to 5, from 2 to 4, from 2 to 6, from 3 to 6, etc., as well as single numbers within the stated range, such as 1, 2, 3, 4, 5, and 6, as applicable regardless of the range. In addition, whenever a numerical range is indicated herein, it is meant to include any number (fractional or integer) recited within the range so indicated.
In the present application, unless otherwise specified, the use of directional words such as "upper" and "lower" specifically refer to the orientation of the figures in the drawings. In addition, in the description of the present specification, the terms "include", "includes" and the like mean "including but not limited to". Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. 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. Herein, "and/or" describes an association relationship of associated objects, meaning that there may be three relationships, e.g., a and/or B, may mean: a is present alone, A and B are present simultaneously, and B is present alone. For the association relationship of more than three associated objects described by "and/or", it means that any one of the three associated objects may exist alone, or any at least two of the three associated objects may exist simultaneously, for example, for a, and/or B, and/or C, it may mean that any one of A, B, C exists alone, or any two of the three associated objects exist simultaneously, or three of the three associated objects exist simultaneously. As used herein, "at least one" means one or more, "a plurality" means two or more. "at least one," "at least one of the following," or similar expressions, refer to any combination of these items, including any combination of the singular or plural items. For example, "at least one (a), b, or c", or "at least one (a), b, and c", may each represent: a, b, c, a-b (i.e., a and b), a-c, b-c, or a-b-c, wherein a, b, and c may be single or plural, respectively.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A fluorescent photovoltaic module, comprising:
a photovoltaic cell panel; a color layer disposed on the photovoltaic panel,
the photovoltaic cell panel comprises a cell panel frame, a back panel, a photovoltaic cell and a transparent front panel, wherein the back panel, the photovoltaic cell and the transparent front panel are sequentially stacked in the cell panel frame;
the color layer comprises dark color blocks and light color blocks, the material of the dark color blocks comprises dark color pigment and fluorescent material which absorbs ultraviolet rays and emits visible light, and the transmittance of the dark color pigment is not higher than 50% under the thickness of 20 micrometers.
2. The fluorescent photovoltaic module of claim 1, wherein the dark pigment is a UV light curable ink; and/or the presence of a gas in the gas,
the fluorescent material is UV fluorescent ink.
3. The fluorescent photovoltaic module of claim 1, wherein the dark color block material is a mixture of the dark color pigment and the fluorescent material.
4. The fluorescent photovoltaic module of claim 1, wherein the dark color patch is 10-20 μ ι η thick.
5. A preparation method of a photovoltaic module with fluorescence is characterized by comprising the following steps:
providing a photovoltaic cell panel;
and forming a dark color block on the photovoltaic cell panel by taking the fluorescent material and the dark color pigment as materials, and forming a light color block on the photovoltaic cell panel by taking the light color pigment as a material.
6. The method for preparing the photovoltaic module with the fluorescence according to claim 5, wherein the method for forming the dark color blocks on the photovoltaic cell panel by taking the fluorescent materials and the dark color pigments as materials and the light color blocks on the photovoltaic cell panel by taking the light color pigments as materials comprises the following steps:
preparing a white pigment layer on the photovoltaic cell panel;
and mixing the fluorescent material and the dark pigment, arranging the mixture on a white pigment layer to form dark color blocks, and arranging the light pigment on the white pigment layer to form light color blocks.
7. Method for manufacturing a fluorescent photovoltaic module according to claim 5, characterized in that said dark pigment is a UV light curing ink; and/or the presence of a gas in the atmosphere,
the light-colored pigment is UV light-cured printing ink; and/or the presence of a gas in the atmosphere,
the fluorescent material is UV fluorescent ink.
8. A building provided with a fluorescent photovoltaic module according to any one of claims 1 to 4 or a fluorescent photovoltaic module produced by the method of producing a fluorescent photovoltaic module according to any one of claims 5 to 7.
9. An urban public facility, characterized in that the fluorescent photovoltaic module according to any one of claims 1 to 4 or the fluorescent photovoltaic module prepared by the method for preparing a fluorescent photovoltaic module according to any one of claims 5 to 7 is disposed on the individual electricity utilization or storage facility.
10. An individual electricity or electricity storage facility, characterized in that the individual electricity or electricity storage facility is provided with the fluorescent photovoltaic module of any one of claims 1 to 4 or the fluorescent photovoltaic module prepared by the method for preparing a fluorescent photovoltaic module of any one of claims 5 to 7.
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