KR101120100B1 - Thin film silicon solar cell module and Method for manufacturing thereof, Method for connecting the module - Google Patents
Thin film silicon solar cell module and Method for manufacturing thereof, Method for connecting the module Download PDFInfo
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- KR101120100B1 KR101120100B1 KR1020090135897A KR20090135897A KR101120100B1 KR 101120100 B1 KR101120100 B1 KR 101120100B1 KR 1020090135897 A KR1020090135897 A KR 1020090135897A KR 20090135897 A KR20090135897 A KR 20090135897A KR 101120100 B1 KR101120100 B1 KR 101120100B1
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- solar cell
- glass
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- film
- photovoltaic
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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
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Abstract
The present invention relates to a thin film solar cell module, a method for manufacturing the same, and a method for connecting the modules. In an exemplary embodiment of the present invention, a plurality of photovoltaic films 110 formed in a substantially band shape on a glass 100 coated with a transparent electrode TCO are deposited and laser scribed in a state of being arranged. The busbar electrode 120 is formed by printing a conductive paste on a predetermined area including an edge portion of the glass 100. Then, to insulate the bus bar electrode 120 formed at the edge of the glass 100 and the photovoltaic film 110 positioned on the glass 100, an insulating material is coated with a dispenser to form an insulating film 130. ). It is not necessary to form the insulating film 130. When the insulating film 130 is formed, the conductive paste is surrounded by the insulating film 130 so that the bus bar electrode 120 and the solar power film 110 are connected to each other by using a dispenser. The conductive film 140 is patterned. Subsequently, the thin film solar cell module 170 is completed by bonding the EVA / PVB sheet protective sheet 150 and the rear sheet 160 in order. According to the present invention, the manufacturing process can be simplified, manufacturing cost can be reduced, and since thin film solar cell modules can be easily connected in series, they can be easily applied to building integrated photovoltaic (BIPV). There is an advantage to that.
Thin film solar cell, glass, edge, end, busbar, BIPV
Description
The present invention relates to a thin film solar cell module, and more particularly, to a thin film solar cell module and a method of manufacturing an electrode formed on a side (edge) of a glass for thin film solar cell (glass), and a method of interconnecting the thin film solar cell module.
The voltage from one cell, the smallest unit of a solar cell, is about 0.5 V, which is very small and easily affected by the external environment. Modules of solar cells package these cells. That is, the solar cells are connected in series or in parallel according to the required capacitance.
Various methods of manufacturing the solar cell module have been proposed, and a method of manufacturing a thin film solar cell module which is widely used among them will be described with reference to FIG. 1.
In FIG. 1A, a
In FIG. 1B, the
In FIG. 1C, the
Once bonded state is as shown in Figure 1d. In addition, FIG. 1D illustrates a state in which the Teflon
When the Teflon
Finally, as shown in FIG. 1F, the
The completed solar cell module is sent to the metal electrode through a bus bar when electricity is generated in the solar cell, the junction box provides a structure to collect electricity from the metal electrode.
However, the above-described prior art has the following problems.
First, a process of arranging and fixing ribbons for busbars and junction boxes on photovoltaic films (a-Si, CIGS, CdTe) has been performed by hand at present, which reduces manufacturing hassles and efficiency of manufacturing processes.
In addition, in order to connect the junction box electrodes and the junction box, a process of removing a portion of the protective sheet and the rear sheet was necessary.
In addition, the manufacturing cost could not be reduced because the junction box must be present.
In addition, when the thin film solar cell module manufactured according to the prior art is applied to a building integrated photovoltaic (BIPV), since the wiring must be done through the junction box, the electric wire becomes complicated and it is difficult to apply it directly to the outer wall glass.
Accordingly, an object of the present invention is to solve the above problems, and to manufacture a thin film solar cell module through a simpler and more automated manufacturing process.
Another object of the present invention is to remove the junction box structure in the thin film solar cell module and the process of forming the bus bar arrangement process and the junction box connection hole.
According to a feature of the present invention for achieving the above object, in a state in which a plurality of photovoltaic films are arranged on a glass coated with a transparent electrode (TCO), a predetermined region of the corner at the corner of the glass Printing a conductive paste to form a bus bar electrode; Forming an insulating film around an edge of the solar power film to prevent shunt of the solar power film; Forming a conductive paste to cover the insulating film, and then connecting the bus bar electrode and the solar power film; And it comprises a step of putting the protective sheet and the back sheet on the glass and bonded.
According to another feature of the present invention, in a state in which a plurality of photovoltaic films are arranged on a glass coated with a transparent electrode (TCO), around the edge of the photovoltaic film to prevent shunt of the photovoltaic film Forming an insulating film; Forming a bus bar electrode by printing a conductive paste to cover the insulating layer and include a predetermined area of the corner at a corner of the glass; And it comprises a step of putting the protective sheet and the back sheet on the glass and bonded.
A busbar electrode may be first formed at an edge of the glass coated with the transparent electrode TCO, and the solar cell may be formed on the glass.
The busbar electrodes of the thin film solar cell module manufactured by the above method may be directly connected to connect a plurality of thin film solar cell modules in series.
According to another feature of the invention, the glass of a predetermined size (Glass); A plurality of transparent electrodes (TCO) coated on the glass; A photovoltaic film formed over the transparent electrode in a band shape, each of which is electrically connected in series; And a bus bar electrode formed while covering the edge region of the glass.
In the present invention, a bus bar electrode is formed in a corner portion including the side surface of the thin film solar cell module by various methods to manufacture the thin film solar cell module.
By doing so, the bus bar arrangement of the conventional manufacturing process and the process of fixing the same can be eliminated, but such a process has been performed by hand, but in the present embodiment, all the processes removed therefrom can be automated to shorten the process. .
In addition, since the present invention only needs to connect a portion where the bus bar electrode of the thin film solar cell module is formed, the junction box is not required and the cost is reduced. Can be omitted.
First of all, the thin film solar cell modules can be easily connected in series because they can be connected in series.
Hereinafter, a preferred embodiment of a thin film solar cell module, a method for manufacturing the same, and a method for connecting the modules according to the present invention will be described in detail with reference to the accompanying drawings.
2 is a process chart showing a method of manufacturing a thin film solar cell module according to an embodiment of the present invention.
FIG. 2A illustrates a state in which a plurality of
Here, the structure of the
Next, in a state in which the
In FIG. 2C, an insulating material is coated with a dispenser to insulate the
When the insulating
When the process of FIG. 2d is completed, as shown in FIG. 2e, the
Then, the thin film
3 is a process chart showing a method of manufacturing a thin film solar cell module according to another embodiment of the present invention. 3 is also to form a bus bar electrode on the edge of the glass as in the embodiment of FIG. There are only a few differences in the manufacturing process.
FIG. 3A illustrates a state in which a plurality of
In the state of FIG. 3A, an insulating
When the insulating
When the
Then, the thin film
4 is a configuration diagram in which a plurality of thin film
That is, the thin film
Therefore, it is possible to connect the individual thin film solar cell module (170 or 260) in series only by contacting the corners in accordance with the direction.
Therefore, the thin-film
As described above, in the present embodiment, busbar electrodes are formed on the sidewalls of the thin film solar cell module, and thus the manufacturing process and configuration thereof are simplified. By simply contacting the formed parts, serial connection is possible without the junction box.
Although described with reference to the illustrated embodiment of the present invention as described above, this is merely exemplary, those skilled in the art to which the present invention pertains various modifications without departing from the spirit and scope of the present invention. It will be apparent that other embodiments may be modified and equivalent. Therefore, the true scope of the present invention should be determined by the technical idea of the appended claims.
That is, in this embodiment, after depositing a solar power film on the TCO-coated glass, the busbar electrode is formed on the side of the glass, on the contrary, the busbar electrode is first formed on the side of the TCO-coated glass. After the deposition of the photovoltaic film is also applied to the present invention.
1 is a process chart showing a manufacturing method of a solar cell module according to the prior art
2 is a process chart showing a method of manufacturing a thin film solar cell module according to an embodiment of the present invention.
Figure 3 is a process diagram showing a manufacturing method of a thin film solar cell module according to another embodiment of the present invention
4 is a configuration diagram in which a plurality of thin film solar cell modules manufactured according to the present invention are connected in series
* Description of the symbols for the main parts of the drawings *
100 glass 110: solar power film
120
140: conductive film 150: protective sheet
160: rear sheet 170: thin film solar cell module
Claims (5)
Priority Applications (1)
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KR1020090135897A KR101120100B1 (en) | 2009-12-31 | 2009-12-31 | Thin film silicon solar cell module and Method for manufacturing thereof, Method for connecting the module |
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KR1020090135897A KR101120100B1 (en) | 2009-12-31 | 2009-12-31 | Thin film silicon solar cell module and Method for manufacturing thereof, Method for connecting the module |
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KR20110078963A KR20110078963A (en) | 2011-07-07 |
KR101120100B1 true KR101120100B1 (en) | 2012-03-26 |
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Families Citing this family (2)
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KR101363344B1 (en) * | 2012-01-10 | 2014-02-19 | 주식회사 젠스엔지니어링 | Silicon solar module using a conductive paste in electrodes and its processing for the same |
CN108322184A (en) * | 2018-05-04 | 2018-07-24 | 王志东 | Photovoltaic and optical technology integrated system and construction method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11186572A (en) | 1997-12-22 | 1999-07-09 | Canon Inc | Photoelectromotive force element module |
KR20080039873A (en) * | 2005-06-17 | 2008-05-07 | 디 오스트레일리언 내셔널 유니버시티 | A solar cell interconnection process |
KR100901745B1 (en) * | 2008-03-11 | 2009-06-10 | 키스코홀딩스주식회사 | The manufacturing method of thin-film photovoltaic cells and module |
-
2009
- 2009-12-31 KR KR1020090135897A patent/KR101120100B1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11186572A (en) | 1997-12-22 | 1999-07-09 | Canon Inc | Photoelectromotive force element module |
KR20080039873A (en) * | 2005-06-17 | 2008-05-07 | 디 오스트레일리언 내셔널 유니버시티 | A solar cell interconnection process |
KR100901745B1 (en) * | 2008-03-11 | 2009-06-10 | 키스코홀딩스주식회사 | The manufacturing method of thin-film photovoltaic cells and module |
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