CN112635595A - Photovoltaic module - Google Patents
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/40—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules comprising photovoltaic cells in a mechanically stacked configuration
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
- H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
本发明提供了一种光伏组件。该光伏组件包括第一基板、第二基板以及位于第一基板与第二基板之间的多个层叠的电池片层，相邻各电池片层之间通过第一胶层连接，第一基板和第二基板中的至少一个为透光基板，当第一基板和第二基板中的任意一个为透光基板时，在远离透光基板的方向上，各电池片层的禁带宽度递减；或当第一基板和第二基板均为透光基板时，在远离第一基板的方向上，各电池片层的禁带宽度递增或递减。上述光伏组件能够充分利用入射光，提高了光伏组件的光转换效率；上述光伏组件中通过将多个电池片层通过胶层连接，与现有技术中在基板上顺序沉积生长多个电池片层相比，工艺更为简单，避免了沉积工艺导致的材料成本和制作成本较高的问题。
The present invention provides a photovoltaic module. The photovoltaic module includes a first substrate, a second substrate, and a plurality of stacked cell layers located between the first substrate and the second substrate, adjacent cell layers are connected by a first adhesive layer, the first substrate and the At least one of the second substrates is a light-transmitting substrate, and when any one of the first substrate and the second substrate is a light-transmitting substrate, the forbidden band width of each cell layer decreases in a direction away from the light-transmitting substrate; or When both the first substrate and the second substrate are light-transmitting substrates, the forbidden band width of each cell layer increases or decreases in the direction away from the first substrate. The above photovoltaic modules can make full use of incident light and improve the light conversion efficiency of the photovoltaic modules; in the above photovoltaic modules, multiple cell layers are sequentially deposited and grown on a substrate by connecting a plurality of cell layers through an adhesive layer, as in the prior art. In comparison, the process is simpler, and the problems of high material cost and fabrication cost caused by the deposition process are avoided.
Description
Technical Field
The invention relates to the technical field of solar cells, in particular to a photovoltaic module.
Background
Solar technology is one of the most popular and leading researches at present, but to replace traditional energy, clean and renewable energy economy is really realized, the price of the solar technology needs to be further reduced, and one of the most effective ways to reduce the cost is to improve the photoelectric conversion efficiency of the cell.
Crystalline silicon solar cell technology is the most mature commercial photovoltaic power generation technology at present, and other types of solar cells such as thin film cells, compound cells and the like are difficult to replace crystalline silicon cells in a short time due to the advantages of the crystalline silicon solar cell technology in terms of comprehensive cost and conversion efficiency. Therefore, the method has important significance for continuously improving the performance of the crystalline silicon battery and continuously optimizing the process to reduce the cost. The theoretical limit efficiency of the crystalline silicon battery is only about 29%, and the aim of greatly improving the efficiency of the crystalline silicon battery is difficult.
Disclosure of Invention
The invention mainly aims to provide a photovoltaic module to solve the problem that the photovoltaic module in the prior art is low in light conversion efficiency.
In order to achieve the above object, according to one aspect of the present invention, there is provided a photovoltaic module, including a first substrate, a second substrate, and a plurality of stacked cell layers located between the first substrate and the second substrate, adjacent cell layers are connected by a first adhesive layer, at least one of the first substrate and the second substrate is a light-transmitting substrate, and when any one of the first substrate and the second substrate is a light-transmitting substrate, a forbidden bandwidth of each cell layer decreases in a direction away from the light-transmitting substrate; or when the first substrate and the second substrate are both transparent substrates, the forbidden bandwidth of each cell sheet layer is increased or decreased in the direction far away from the first substrate.
Furthermore, the plurality of cell layers comprise a first cell layer and a second cell layer, the first substrate is a light-transmitting substrate, and the light absorption wavelength of the first cell layer is smaller than that of the second cell layer.
Further, the light absorption wavelength of the first cell sheet layer is less than 800nm, and the light absorption wavelength of the second cell sheet layer is less than 1100 nm.
Further, the first cell sheet layer comprises any one or more of an amorphous silicon cell, a dye-sensitized cell, a perovskite cell, a gallium arsenide cell, a cadmium telluride cell and a copper indium gallium selenide cell, and preferably the first cell sheet layer is a perovskite cell sheet layer.
Further, the second cell slice layer comprises a crystalline silicon cell.
Furthermore, the photovoltaic module also comprises a second adhesive layer positioned between the first substrate and the first cell sheet layer, and the second adhesive layer is a transparent adhesive film.
Further, the photovoltaic module further comprises a third adhesive layer located between the second cell sheet layer and the second substrate, and preferably, the third adhesive layer comprises any one of a transparent adhesive film, a white reflective adhesive film, a black adhesive film and a color decorative adhesive film.
Further, the battery sheet layer comprises a plurality of battery sheets, and the battery sheets are arranged in a grid or lamination mode.
Further, the projections of the cell layers on the first substrate are overlapped.
Further, the cell sheet layer close to the first substrate in the plurality of cell sheet layers is a thin film cell grown on the first substrate.
The photovoltaic module is characterized in that any one of the first photovoltaic module substrate and the second photovoltaic module substrate is a transparent substrate, the forbidden bandwidth of each photovoltaic module cell layer is decreased in the direction far from the transparent substrate of the photovoltaic module, or the first photovoltaic module substrate and the second photovoltaic module substrate are both transparent substrates, and the forbidden bandwidth of each photovoltaic module cell layer is increased or decreased in the direction far from the transparent substrate of the photovoltaic module. The forbidden bandwidth of each cell in the photovoltaic module can be decreased progressively along the incident light direction of the light, so that the light with different wavelength ranges in the incident light can enter each cell in sequence for photoelectric conversion, the incident light can be fully utilized, and the light conversion efficiency of the photovoltaic module is improved; in addition, the plurality of cell sheets are connected through the glue layer in the photovoltaic module, and compared with the photovoltaic module in which the plurality of cell sheets are deposited and grown on the substrate in sequence in the prior art, the process is simpler, the problems of higher material cost and manufacturing cost caused by the deposition process are solved, and the photovoltaic module is suitable for large-scale production.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a partial cross-sectional structure of a photovoltaic module according to an embodiment of the present invention;
fig. 2 is a schematic partial cross-sectional view of a photovoltaic module according to example 1 of the present invention;
FIG. 3 is a schematic diagram showing a partial cross-sectional structure of a photovoltaic module in example 2 according to the present invention;
fig. 4 shows a schematic partial cross-sectional structure of a photovoltaic module in example 3 according to the present invention.
Wherein the figures include the following reference numerals:
110. a first substrate; 120. a second substrate; 20. a cell sheet layer; 210. a first cell sheet layer; 220. a second cell sheet layer; 310. a first glue layer; 320. a second adhesive layer; 330. and a third adhesive layer.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention 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 is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. 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.
As described in the background art, the theoretical limit efficiency of the crystalline silicon cell is only about 29%, and it is difficult to greatly improve the efficiency of the crystalline silicon cell. In order to solve the above technical problem, the applicant of the present invention provides a photovoltaic module, as shown in fig. 1, including a first substrate 110, a second substrate 120, and a plurality of stacked cell layers 20 located between the first substrate 110 and the second substrate 120, where adjacent cell layers 20 are connected by a first adhesive layer 310, where at least one of the first substrate 110 and the second substrate 120 is a light-transmitting substrate, and when any one of the first substrate 110 and the second substrate 120 is a light-transmitting substrate, the forbidden bandwidth of each cell layer 20 decreases in a direction away from the light-transmitting substrate; or when the first substrate 110 and the second substrate 120 are both transparent substrates, the forbidden bandwidth of each cell layer 20 increases or decreases in the direction away from the first substrate 110.
The forbidden bandwidth of each cell in the photovoltaic module can be decreased progressively along the incident light direction of the light, so that the light with different wavelength ranges in the incident light can enter each cell in sequence for photoelectric conversion, the incident light can be fully utilized, and the light conversion efficiency of the photovoltaic module is improved; in addition, the plurality of cell sheets are connected through the glue layer in the photovoltaic module, and compared with the photovoltaic module in which the plurality of cell sheets are deposited and grown on the substrate in sequence in the prior art, the process is simpler, the problems of higher material cost and manufacturing cost caused by the deposition process are solved, and the photovoltaic module is suitable for large-scale production.
In the photovoltaic module of the present invention, a plurality of cell sheets 20 are stacked in the incident direction of light, and different types of cell sheets 20 are stacked in the order of increasing forbidden band width, so that the light with short wavelength is absorbed by the outermost wide band gap cell sheet 20, and the light with longer wavelength can be transmitted into the cell sheets with narrow band gap 20 to be absorbed, thereby maximally converting the light energy into electric energy, and greatly improving the utilization rate of solar spectrum, the performance of the cell, and the stability.
In the photovoltaic module of the present invention, the adjacent cell sheets 20 are connected by the first adhesive layer 310, and the first adhesive layer 310 may be a conventional transparent adhesive film in the prior art, such as EVA or POE.
When the first substrate 110 is a transparent substrate, incident light enters the photovoltaic module from the first substrate 110, the forbidden bandwidth of each cell layer 20 decreases in the direction away from the first substrate 110, in order to enable light to sequentially enter each cell layer 20 for photoelectric conversion, the cell layer 20 near one side of the first substrate 110 may be connected to the first substrate 110 through a transparent adhesive film, and the cell layer 20 may also be a thin film cell, such as a perovskite cell, a gallium arsenide cell, a cadmium telluride cell, a copper indium gallium selenide cell, and the like, grown on the first substrate 110; the battery sheet layer 20 adjacent to the second substrate 120 may be connected to the second substrate 120 through a glue film, which may be selected from any one of a transparent glue film, a white reflective glue film, a black glue film, and a color decoration glue film. The second substrate 120 may also be a transparent substrate, and in this case, the adhesive film connecting the second substrate 120 and the battery sheet layer 20 on one side thereof is a transparent adhesive film.
When the second substrate 120 is a transparent substrate, incident light enters the photovoltaic module from the second substrate 120, the forbidden bandwidth of each cell layer 20 decreases in the direction away from the second substrate 120, in order to enable light to sequentially enter each cell layer 20 for photoelectric conversion, the cell layer 20 near one side of the second substrate 120 may be connected to the second substrate 120 through a transparent adhesive film, and the cell layer 20 may also be a thin film battery, such as a perovskite battery, a gallium arsenide battery, a cadmium telluride battery, a copper indium gallium selenide battery, and the like, grown on the second substrate 120; the battery sheet layer 20 adjacent to the first substrate 110 may be connected to the first substrate 110 through a glue film, which may be selected from any one of a transparent glue film, a white reflective glue film, a black glue film, and a color decoration glue film. The first substrate 110 may also be a transparent substrate, and in this case, the adhesive film connecting the first substrate 110 and the battery sheet layer 20 on one side thereof is a transparent adhesive film.
In some preferred embodiments, the plurality of cell sheets 20 includes a first cell sheet 210 and a second cell sheet 220, the first substrate 110 is a light-transmissive substrate, and the light absorption wavelength of the first cell sheet 210 is smaller than the light absorption wavelength of the second cell sheet 220. With a two-layer battery sheet layer 20 as shown in fig. 2-4. Light is incident into the photovoltaic module from the first substrate 110, light with a smaller light absorption wavelength in the incident light is subjected to photoelectric conversion in the first cell layer 210, and the remaining incident light with a larger wavelength enters the second cell layer 220 to be subjected to photoelectric conversion, so that more bands in the incident light can be utilized, and the utilization efficiency of the photovoltaic module is improved.
In order to further improve the light conversion efficiency of the photovoltaic module, it is more preferable that the first cell sheet layer 210 and the second cell sheet layer 220 overlap in the projection direction, the first cell sheet layer 210 and the second cell sheet layer 220 respectively include a plurality of independent cell sheets, and the arrangement of the cell sheets in the first cell sheet layer 210 and the second cell sheet layer 220 may be independently selected from a grid arrangement or a lamination arrangement.
In order to further improve the light conversion efficiency of the photovoltaic module, it is more preferable that the light absorption wavelength of the first cell layer 210 is less than 800nm, and the light absorption wavelength of the second cell layer 220 is less than 1100 nm. The first cell sheet layer 210 selectively absorbs the shorter wavelength light of the incident light, i.e., the incident light with the wavelength λ smaller than 800nm, and the longer wavelength part of the incident light is not absorbed by the first cell sheet layer 210 and directly passes through the first cell sheet layer 210; the second cell sheet layer 220 absorbs the light with longer wavelength, i.e. the incident light with wavelength λ less than 1100nm, at this time, the incident light with wavelength greater than 800nm, which cannot be absorbed by the first cell sheet layer 210, and the light with wavelength less than 800nm, which is not absorbed by the second cell sheet or directly transmitted, are absorbed by the second cell sheet layer 220.
In order to satisfy the condition that the light absorption wavelength of the first cell sheet layer 210 is less than that of the second cell sheet layer 220, the first cell sheet layer 210 may include any one or more of an amorphous silicon cell, a dye-sensitized cell, a perovskite cell, a gallium arsenide cell, a cadmium telluride cell and a copper indium gallium selenide cell; the second cell sheet layer 220 may include a crystalline silicon cell. The thickness of the crystalline silicon battery can be 160-180 mu m.
In the above photovoltaic module of the present invention, the crystalline silicon cell may be a PERC cell or a heterojunction cell.
In some embodiments, the first cell sheet layer 210 is a thin film battery, such as a perovskite battery, a gallium arsenide battery, a cadmium telluride battery, a copper indium gallium selenide battery, or the like, and the second cell sheet layer 220 is a PERC battery.
In other embodiments, the first cell sheet layer 210 is a thin film cell, such as a perovskite cell, a gallium arsenide cell, a cadmium telluride cell, a copper indium gallium selenide cell, or the like, and the second cell sheet layer 220 is a heterojunction cell.
Illustratively, the first cell layer 210 is a perovskite cell layer, and the second cell layer 220 is a crystalline silicon cell layer. The perovskite has the forbidden band width of 1.55eV, can absorb photons with the wavelength of less than 800nm, the crystalline silicon cell with the band gap of 1.12eV can absorb photons with the wavelength of less than 1100nm, and the absorption spectra of the two can be complemented by forming a laminated photovoltaic component, so that the utilization rate of incident light is greatly improved, and the material has lower preparation cost.
In a preferred embodiment, the first cell sheet layer 210 is disposed on the first substrate 110 through a second adhesive layer 320, and in order to allow incident light to sequentially enter the first cell sheet layer 210 and the second cell sheet layer 220 through the first substrate 110, the second adhesive layer 320 is a transparent adhesive film, as shown in fig. 2. The transparent adhesive film may be of the type conventionally used in the art, such as ethylene-vinyl acetate copolymer (EVA), polyolefin elastomer (POE), ethylene-methyl methacrylate copolymer, polyvinyl butyral, and the like.
In another preferred embodiment, the first cell sheet layer 210 is a thin film battery, such as a perovskite battery, a gallium arsenide battery, a cadmium telluride battery, a copper indium gallium selenide battery, and the like, grown on the first substrate 110, as shown in fig. 3. At this time, the first substrate 110 and the first cell sheet layer 210 do not need to be connected through an adhesive film, so that the photovoltaic module can be thinner and thinner. The thickness of the thin film battery may be 600nm to 50 μm.
In a preferred embodiment, the second cell sheet layer 220 is disposed on the second substrate 120 through a third adhesive layer 330, and the third adhesive layer 330 may include any one of a transparent adhesive film, a white reflective adhesive film, a black adhesive film, and a color decorative adhesive film, as shown in fig. 2 and 3.
In a preferred embodiment, the second cell sheet layer 220 is a thin film battery, such as a perovskite battery, a gallium arsenide battery, a cadmium telluride battery, a copper indium gallium selenide battery, and the like, grown on the second substrate 120, as shown in fig. 4. At this time, the second substrate 120 and the second cell sheet layer 220 do not need to be connected through an adhesive film, so that the photovoltaic module can be thinner and thinner. The thickness of the thin film battery may be 600nm to 50 μm. However, it should be noted that, in order to enable the forbidden bandwidth of each cell in the photovoltaic module to decrease along the incident light direction of the light, the second cell layer 220 and the first cell layer 210 cannot be of the same kind.
The thicknesses of the first adhesive layer 310, the second adhesive layer 320, and the third adhesive layer 330 may be 100 to 800 μm.
The photovoltaic module provided by the present invention will be further described with reference to examples and comparative examples.
Example 1
As shown in fig. 2, the photovoltaic module provided in this embodiment sequentially includes, from bottom to top:
the second substrate 120 is a transparent glass layer, the third adhesive layer 330 is located above the second substrate 120, the third adhesive layer 330 is transparent EVA, the second cell sheet layer 220 is placed above the third adhesive layer 330, the second cell sheet layer 220 is a crystalline silicon cell, the first adhesive layer 310 is laid above the second cell sheet layer 220, the first adhesive layer 310 is transparent EVA, the integrated cell sheet layer is placed above the first adhesive layer 310, the integrated cell sheet layer comprises the first cell sheet layer 210 and the first substrate 110, the integrated cell sheet layer uses the first substrate 110 as a substrate of the thin film cell, the first substrate 110 is a transparent glass layer, the thin film cell sheet layer is grown on the first substrate 110, namely the first cell sheet layer 210, and the first cell sheet layer 210 is a perovskite cell.
The thickness of the first glue layer 310 and the third glue layer 330 is 400 μm; the thickness of the second cell sheet layer 220 is 160 μm; the thickness of the first cell sheet layer 210 is 1 μm.
The first cell sheet layer 210 and the second cell sheet layer 220 may be independently led out, or may be led out after being connected in series and parallel.
The integrated cell sheet layer is adopted, so that the substrate for growing the first cell sheet layer 210 is combined with the first substrate 110, and only one layer of substrate is adopted.
Example 2
As shown in fig. 3, the photovoltaic module provided in this embodiment sequentially includes, from bottom to top:
The thicknesses of the first adhesive layer 310, the second adhesive layer 320 and the third adhesive layer 330 are 400 μm; the thickness of the second cell sheet layer 220 is 160 μm; the thickness of the first cell sheet layer 210 is 1 μm.
The first cell sheet layer 210 and the second cell sheet layer 220 can be led out independently, or can be led out after being connected in series and parallel.
Example 3
As shown in fig. 4, the photovoltaic module provided in this embodiment sequentially includes, from bottom to top:
the first integrated battery sheet layer comprises a second battery sheet layer 220 and a second substrate 120, the second substrate 120 is used as a substrate of the thin film battery for the first integrated battery sheet layer, the thin film battery sheet layer is grown on the second substrate 120 of the first integrated battery sheet layer, namely the second battery sheet layer 220, and the second battery sheet layer 220 is a gallium arsenide thin film battery;
the first adhesive layer 310 is laid on the second cell sheet layer 220, and the first adhesive layer 310 is transparent EVA;
and a second integrated cell sheet layer laid on the first adhesive layer 310, wherein the integrated cell sheet layer comprises a first cell sheet layer 210 and a first substrate 110, the first substrate 110 of the integrated cell sheet layer is used as a substrate of the thin film cell, a thin film cell sheet layer is grown on the first substrate 110 of the integrated cell sheet layer, namely the first cell sheet layer 210, and the first cell sheet layer 210 is a perovskite thin film cell.
The thickness of the first glue layer 310 is 400 μm; the thickness of the second cell sheet layer 220 is 1 μm; the thickness of the first cell sheet layer 210 is 1 μm.
The first cell sheet layer 210 and the second cell sheet layer 220 may be independently led out, or may be led out after being connected in series and parallel.
The substrate on which the first cell sheet layer 210 is grown and the first substrate 110 are merged using the integrated cell sheet layer, while the substrate on which the second cell sheet layer 220 is grown and the second substrate 120 are merged using the integrated cell sheet layer.
Comparative example 1
The photovoltaic module that this comparative example provided includes from bottom to top in proper order:
the photovoltaic module comprises a second substrate, a second adhesive film layer, a cell slice layer, a first adhesive film layer and a first substrate in sequence from bottom to top, wherein the first substrate and the second substrate are transparent glass layers, the first adhesive film layer and the second adhesive film layer are transparent EVA (ethylene vinyl acetate), and the cell slice layer is a crystalline silicon cell slice layer.
The power of the photovoltaic modules in the above examples 1-3 and comparative example 1 was tested according to the IEC 61215-10.2 standard, and the results are shown in the following table.
| / | Example 1 | Example 2 | Example 3 | Comparative example 1 |
| Component power | 320W | 325W | 395W | 300W |
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the forbidden bandwidth of each cell in the photovoltaic module can be decreased progressively along the incident light direction of the light, so that the light with different wavelength ranges in the incident light can enter each cell in sequence for photoelectric conversion, the incident light can be fully utilized, and the light conversion efficiency of the photovoltaic module is improved; in addition, the plurality of cell sheets are connected through the glue layer in the photovoltaic module, and compared with the photovoltaic module in which the plurality of cell sheets are deposited and grown on the substrate in sequence in the prior art, the process is simpler, the problems of higher material cost and manufacturing cost caused by the deposition process are solved, and the photovoltaic module is suitable for large-scale production.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114497287A (en) * | 2022-04-15 | 2022-05-13 | 浙江爱旭太阳能科技有限公司 | Solar cell composite assembly, preparation method thereof and photovoltaic system |
| CN115763607A (en) * | 2021-09-01 | 2023-03-07 | 隆基绿能科技股份有限公司 | Color laminated photovoltaic device |
| WO2024071284A1 (en) * | 2022-09-28 | 2024-04-04 | 株式会社カネカ | Solar cell module production method and solar cell module |
| CN119325284A (en) * | 2024-12-17 | 2025-01-17 | 远东幕墙(珠海)有限公司 | Photovoltaic module, control method of photovoltaic module and related device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005135987A (en) * | 2003-10-28 | 2005-05-26 | Kaneka Corp | Stacked photoelectric conversion device and its manufacturing method |
| EP1724838A1 (en) * | 2005-05-17 | 2006-11-22 | Ecole Polytechnique Federale De Lausanne | Tandem photovoltaic conversion device |
| CN103872160A (en) * | 2014-03-14 | 2014-06-18 | 惠州市易晖太阳能科技有限公司 | Mixed stacked type solar component and manufacturing method thereof |
| CN105047823A (en) * | 2015-06-24 | 2015-11-11 | 华南师范大学 | Semitransparent perovskite and crystalline silicon tandem laminated solar cell and preparation method thereof |
| US20200313019A1 (en) * | 2019-03-25 | 2020-10-01 | Panasonic Corporation | Solar cell and solar cell module |
| CN211789098U (en) * | 2020-05-19 | 2020-10-27 | 昆山协鑫光电材料有限公司 | Crystalline silicon-perovskite component |
| CN214588874U (en) * | 2020-12-31 | 2021-11-02 | 福斯特(滁州)新材料有限公司 | Photovoltaic module |
-
2020
- 2020-12-31 CN CN202011638604.0A patent/CN112635595A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005135987A (en) * | 2003-10-28 | 2005-05-26 | Kaneka Corp | Stacked photoelectric conversion device and its manufacturing method |
| EP1724838A1 (en) * | 2005-05-17 | 2006-11-22 | Ecole Polytechnique Federale De Lausanne | Tandem photovoltaic conversion device |
| CN103872160A (en) * | 2014-03-14 | 2014-06-18 | 惠州市易晖太阳能科技有限公司 | Mixed stacked type solar component and manufacturing method thereof |
| CN105047823A (en) * | 2015-06-24 | 2015-11-11 | 华南师范大学 | Semitransparent perovskite and crystalline silicon tandem laminated solar cell and preparation method thereof |
| US20200313019A1 (en) * | 2019-03-25 | 2020-10-01 | Panasonic Corporation | Solar cell and solar cell module |
| CN211789098U (en) * | 2020-05-19 | 2020-10-27 | 昆山协鑫光电材料有限公司 | Crystalline silicon-perovskite component |
| CN214588874U (en) * | 2020-12-31 | 2021-11-02 | 福斯特(滁州)新材料有限公司 | Photovoltaic module |
Non-Patent Citations (1)
| Title |
|---|
| 李春静;杨瑞霞;田汉民;: "钙钛矿/晶硅叠层太阳能电池的研究进展", 物理, no. 06, 12 June 2018 (2018-06-12) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115763607A (en) * | 2021-09-01 | 2023-03-07 | 隆基绿能科技股份有限公司 | Color laminated photovoltaic device |
| CN114497287A (en) * | 2022-04-15 | 2022-05-13 | 浙江爱旭太阳能科技有限公司 | Solar cell composite assembly, preparation method thereof and photovoltaic system |
| WO2024071284A1 (en) * | 2022-09-28 | 2024-04-04 | 株式会社カネカ | Solar cell module production method and solar cell module |
| CN119325284A (en) * | 2024-12-17 | 2025-01-17 | 远东幕墙(珠海)有限公司 | Photovoltaic module, control method of photovoltaic module and related device |
| CN119325284B (en) * | 2024-12-17 | 2025-04-25 | 远东幕墙(珠海)有限公司 | Photovoltaic module, photovoltaic module control method and related device |
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