WO2007037406A1 - Cis系薄膜太陽電池モジュール及びその製造方法 - Google Patents
Cis系薄膜太陽電池モジュール及びその製造方法 Download PDFInfo
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- WO2007037406A1 WO2007037406A1 PCT/JP2006/319527 JP2006319527W WO2007037406A1 WO 2007037406 A1 WO2007037406 A1 WO 2007037406A1 JP 2006319527 W JP2006319527 W JP 2006319527W WO 2007037406 A1 WO2007037406 A1 WO 2007037406A1
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- Prior art keywords
- cis
- glass
- solar cell
- film solar
- film
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- 239000010409 thin film Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims description 71
- 239000011521 glass Substances 0.000 claims abstract description 114
- 239000000758 substrate Substances 0.000 claims abstract description 78
- 239000005357 flat glass Substances 0.000 claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 claims abstract description 36
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 17
- 239000010408 film Substances 0.000 claims description 42
- 238000004140 cleaning Methods 0.000 claims description 10
- 239000005329 float glass Substances 0.000 claims description 10
- 230000031700 light absorption Effects 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 230000007261 regionalization Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- 238000001035 drying Methods 0.000 abstract description 10
- 238000005406 washing Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 29
- 238000005137 deposition process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 5
- 229910052733 gallium Inorganic materials 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000006124 Pilkington process Methods 0.000 description 4
- KTSFMFGEAAANTF-UHFFFAOYSA-N [Cu].[Se].[Se].[In] Chemical compound [Cu].[Se].[Se].[In] KTSFMFGEAAANTF-UHFFFAOYSA-N 0.000 description 4
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical group [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- HVMJUDPAXRRVQO-UHFFFAOYSA-N copper indium Chemical compound [Cu].[In] HVMJUDPAXRRVQO-UHFFFAOYSA-N 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000006060 molten glass Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910017980 Ag—Sn Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 229910052951 chalcopyrite Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- KYRUBSWVBPYWEF-UHFFFAOYSA-N copper;iron;sulfane;tin Chemical group S.S.S.S.[Fe].[Cu].[Cu].[Sn] KYRUBSWVBPYWEF-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012850 discrimination method Methods 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- -1 laser Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/06—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers
- H01L31/072—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN heterojunction type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/0445—PV modules or arrays of single PV cells including thin film solar cells, e.g. single thin film a-Si, CIS or CdTe solar cells
- H01L31/046—PV modules composed of a plurality of thin film solar cells deposited on the same substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0256—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
- H01L31/0264—Inorganic materials
- H01L31/032—Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312
- H01L31/0322—Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312 comprising only AIBIIICVI chalcopyrite compounds, e.g. Cu In Se2, Cu Ga Se2, Cu In Ga Se2
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/06—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers
- H01L31/072—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN heterojunction type
- H01L31/0749—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers the potential barriers being only of the PN heterojunction type including a AIBIIICVI compound, e.g. CdS/CulnSe2 [CIS] heterojunction solar cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
- Y02E10/541—CuInSe2 material PV cells
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a structure of a CIS-based thin-film solar cell module and a manufacturing method thereof, in particular, a structure of a CIS-based thin-film solar cell module that forms a solar cell device on the air surface side not containing Sn of a float glass substrate, and It relates to the manufacturing method.
- the CIS-based thin film solar cell device is formed on a float blue plate glass substrate manufactured by a float process because of the increase in area and manufacturing cost.
- the float blue plate glass substrate is manufactured by a float method in which the molten glass is buoyed to a predetermined thickness on the molten tin, so that the float surface of the glass substrate contains Sn. The air surface does not contain Sn. Then, it was considered that there was no significant difference in solar cell characteristics, etc., regardless of whether the CIS thin film solar cell device was formed on either the float surface or the air surface of the float soda glass substrate.
- the applicant of the present invention when the CIS-based thin film solar cell device is formed on the air surface side of the float blue plate glass substrate that does not contain Sn, the Sn plate of the float blue plate glass substrate. We found that the conversion efficiency is higher than when a CIS-based thin-film solar cell device is formed on the float surface side that contains.
- Patent Document 1 a method for detecting visible light from Sn existing on the float surface by ultraviolet irradiation is known (for example, Patent Document 1).
- Flat glass is used as the glass substrate for plasma displays, and plasma displays use Ag materials for the display and data electrodes.
- an Ag material that serves as a display electrode or data electrode is applied to the float surface of the glass substrate, acid reduction between Sn present on the float surface of the float glass and Ag ion of the Ag material Ag—Sn colloid is generated by the reaction, and the glass substrate turns yellow, and the quality of the displayed image is greatly impaired.
- the float surface of the float glass It is required that no electrode be formed on the side. Therefore, in the method of determining the float surface of the float glass substrate described in Patent Document 1, since the float surface contains Sn, the float glass substrate is irradiated with ultraviolet rays, and fluorescence from Sn existing on the float surface is detected. The float surface is determined by detection with visible light.
- a float blue plate glass is used as a substrate and a CIS-based thin film solar cell device is formed on the float surface side containing Sn
- Sn is diffused to form an inappropriate defect chalcopyrite structure and a high-efficiency CIS thin-film solar cell device cannot be obtained. Therefore, the float surface and the air surface are discriminated.
- the discrimination method of the float surface of the glass substrate for said plasma display is used for the discrimination process between the float surface and the air surface of the glass substrate of the CIS-based thin film solar cell device.
- the glass substrate is subjected to a cleaning process.
- the glass substrate is not aligned even if the glass substrate is discriminated between the float surface and the air surface, it is necessary to align the glass surface to either one. is there.
- the identification process there is a possibility that the surface of the glass is inverted by subsequent processing or storage. In this case, it cannot be said that the float surface and the air surface are clearly identified. Therefore, it is indispensable to leave the glass substrate on the glass substrate quickly and reliably in a form that allows recognition of the discrimination result between the float surface and the air surface.
- Patent Document 1 JP 2004-51436 A
- the present invention solves the above-mentioned problems, and an object of the present invention is to quickly and reliably identify an air surface that does not contain Sn of float blue sheet glass, and to add a Sn-containing identification marker to a float surface that contains Sn.
- the CIS thin film solar cell is formed by aligning the air surface not containing Sn of the float blue plate gas in one of the top, bottom, left and right directions and forming the CIS thin film solar cell device on the air surface. It is to improve the conversion efficiency and yield of battery devices and reduce manufacturing costs.
- the surface of the blue plate glass which is a float glass, is composed of an air surface not containing Sn and a float surface containing Sn, and CIS (CuInSe) is formed on the air surface of the blue plate glass.
- the surface of the blue plate glass which is a float glass is composed of an air surface containing no Sn and a float surface containing Sn, and CIS (CuInSe type) is formed on the air surface of the blue plate glass.
- the air surface of the blue sheet glass not containing Sn is identified by a glass surface identification means for identifying the presence or absence of Sn on the surface of the blue sheet glass, and the CIS system is defined on the air surface.
- the present invention identifies the float surface of the blue sheet glass containing Sn by the glass surface identification means, and indicates that the float surface contains Sn by the Sn content mark applying means (Or a mark indicating that Sn is not contained on the air surface of the bitumen plate glass not containing Sn) and the CIS thin film solar cell device on the air surface of the blue plate glass not containing Sn.
- the glass surface identification means has a wavelength that emits fluorescence due to the presence of Sn on both surfaces of the blue plate glass and does not transmit (absorb) the glass.
- the ultraviolet ray having a wavelength of about 300 nm, preferably about 250 to 300 nm is irradiated and fluorescence is generated by the irradiation of the ultraviolet ray (the amount of fluorescence generated from Sn is large (a certain value or more))
- the CIS thin film When the solar cell device is not formed, it is distinguished from the surface and no fluorescence is generated (the amount of fluorescence generated from Sn is small! ⁇ (less than a certain value)), the CIS-based thin film solar cell device is The method for producing a CIS-based thin-film solar cell module according to (3) or (4) above, which is identified from a surface to be formed.
- the Sn-containing mark is an ink or paint, laser, glass scribing that can withstand physical or chemical treatment in a subsequent process and that can be identified by a machine or visual observation.
- the present invention provides a film-forming surface (hereinafter referred to as a film-forming surface) on which a CIS-based thin-film solar cell device is formed on the basis of a predetermined number of air surfaces that do not contain Sn cut to a certain size.
- the blue sheet glass loaded in one of the upper, lower, left and right directions (for example, upward) is sequentially conveyed one by one to the glass surface identification means, and the glass surface identification means
- a non-film-formation surface (hereinafter referred to as a non-film-formation surface; for example, a bottom surface) on which a float surface of a blue plate glass containing Sn is identified, and the glass surface identification means does not form a CIS-based thin film solar cell device of blue plate glass.
- the blue plate glass is transported to the next step (CIS-based thin film solar cell device film formation step), and the glass surface identification means transfers the blue plate glass film formation surface (for example, the upper surface).
- the present invention provides a film-forming surface (hereinafter referred to as a film-forming surface) on which a CIS-based thin-film solar cell device is formed on the basis of a predetermined number of air surfaces that do not contain Sn cut to a certain size.
- the non-film-formation surface (hereinafter referred to as the non-film-formation surface; for example, the bottom surface) on which the CIS-based thin film solar cell device of blue plate glass is not formed is given the Sn-containing mark
- a non-film-formation surface (for example, the lower surface) of the blue sheet glass is provided with a Sn-containing mark (or a mark indicating that Sn is not included on the surface of the blue sheet glass that does not contain Sn).
- the film forming surface (for example, the upper surface) is the float surface.
- the Sn-containing mark When the Sn-containing mark is applied, the Sn-containing mark (or Sn-containing bituminous glass containing Sn is not contained on the surface of the blue-plate glass film-forming surface (for example, the upper surface).
- the blue plate glass is used in the next step (cleaning step and CIS-based thin film solar cell device). If the Sn content mark is applied to the film-forming surface (for example, the upper surface) of the blue plate glass, the blue plate glass is turned 180 ° (vertically or horizontally).
- the present invention is the method for producing a CIS-based thin-film solar cell module according to (8), wherein the blue sheet glass excluding the conveying line force is reversed 180 ° (vertically or horizontally) and stacked. .
- the CIS-based thin film solar cell device film forming process includes an alkali barrier layer film forming process, a metal back electrode layer film forming process, a first pattern forming process, and a light absorbing layer film forming process.
- the air surface of the blue sheet glass is inclined upward, downward, lateral, and at a constant angle in a part of the process.
- the present invention quickly and reliably identifies an air surface that does not contain Sn in the float soda glass, and adds a Sn-containing identification mark to the float surface that contains Sn, so that V
- the conversion efficiency and yield of the CIS thin film solar cell module are improved and the manufacturing cost is reduced. can do.
- the present invention relates to a CIS thin film solar cell device 2 or a manufacturing method thereof, in particular, a float blue plate glass substrate (hereinafter referred to as a glass substrate) 2A surface not containing Sn (air surface) A on a CIS thin film solar cell device
- a CIS-based thin-film solar cell module for forming 2 (film formation) or a method for manufacturing the same.
- CIS thin film solar cell module 1 is shown in Fig. 4.
- an alkali barrier layer, a metal back electrode layer 2B, a p-type semiconductor light absorption layer 2C, a high-resistance buffer layer 2D, and a window layer 2E made of an n-type transparent conductive film are stacked in this order on the glass substrate 2A.
- the cover glass 4 is bonded to the upper surface of the laminated CIS-based thin film solar cell device (see Fig. 5) with a plastic resin 3 such as an EV A resin that is cross-linked.
- a knock sheet 5 and a connection box 6 with a cable are installed, and a frame 8 is attached to the outer periphery via a sealing material 7.
- the CIS-based thin film solar cell device 2 is a heterojunction thin film solar cell using a multi-component compound semiconductor thin film as a light absorption layer, particularly a Cu-III-VI group chalcopyrite semiconductor, for example
- copper indium diselenide CISe
- copper indium diselenide / gallium CIGSe
- copper indium diselenide / gallium CIGSSe
- copper indium disoride / gallium CI GS
- thin film diselen It has a light-absorbing layer of p-type semiconductor such as gallium (CIGSe) and a pn heterojunction with a copper indium gallium (CIGSSe) layer as a surface layer.
- the CIS-based thin film solar cell device 2 uses, as a glass substrate, blue plate glass manufactured by a float process.
- the float blue plate glass substrate (hereinafter referred to as a glass substrate) 2A is manufactured by a float method in which a molten glass is floated on a molten Sn to have a predetermined thickness. Both surfaces of the substrate 2A have an air surface A not containing Sn and a float surface containing Sn.
- the CIS (CuInSe) thin film solar cell is formed. Light absorption of battery devices
- Sn is diffused into the light-absorbing layer during heating at 400 to 600 ° C in the film-forming process of the acquisition layer, and a high-efficiency solar cell is formed without forming a chalcopyrite structure that is a desirable crystal system (crystal structure).
- crystal structure a desirable crystal system
- the CIS thin film solar cell device 2 is formed on the surface of the air surface A that does not contain Sn of the glass substrate 2A. There is a need to.
- Figure 2 shows a comparative distribution of the measurement results of 240 conversion efficiencies (Characteristic X and Characteristic Y) of circuit Y with a circuit formed on float surface B containing Sn on glass substrate 2A. Show.
- the method for producing a CIS-based thin film solar cell module of the present invention uses a glass surface identifying means for identifying the presence or absence of Sn on the surface of the glass substrate 2A before the glass cleaning and drying step P4.
- a glass surface identification step PI for identifying the air surface A and the float surface B is provided, and the CIS-based thin film solar cell device 2 is formed on the air surface A.
- a part of the float surface B (outer peripheral portion or A Sn-containing mark indicating that Sn is contained quickly and accurately is applied to a portion which is easy to identify at the four corners) by a durable member or method which does not disappear after the subsequent process.
- the mark is applied with a special paint (for example, a fast-drying fluorescent paint), stamp printing with a special ink (for example, a fluorescent ink), an adhesive sticker with the mark printed thereon, or a laser, sandblast, scriber, etc. Mark the surface of the glass with (diamond) etc. and mark it as a scratch. Marks are letters, numbers, barcodes, and other marks.
- the glass surface identification means P1 emits fluorescence due to the presence of Sn from both surfaces of the glass substrate 2A, and does not transmit (is absorbed) through the glass. Irradiate ultraviolet rays with a wavelength of about 200 to 300 nm, preferably about 250 to 300 nm. When the ultraviolet rays are emitted and fluorescence is generated (the amount of fluorescence generated from Sn is large (a certain value or more)), the CIS-based thin film solar cell device 2 is not formed and the surface is determined as When fluorescence is not generated (the amount of fluorescence generated from Sn is small (less than a certain value)), the surface is determined as the surface on which the CIS-based thin film solar cell device 2 is formed. The fluorescence is received by the light receiving element C, and the presence or absence of tin is determined based on the output amount.
- the glass substrate 2A carried into the glass surface identification step P1 does not contain a certain number of Sn pieces cut into a certain size, and the CIS-based thin film solar cell device 2 is formed on the surface in principle. It is a film surface (hereinafter referred to as a film-forming surface) and is loaded in any one of the top, bottom, left, and right directions (upward in this embodiment), and this is sequentially placed on the glass surface identification means P1.
- the glass surface discriminating means P1 discriminates whether or not the film-forming surface (the upper surface in this embodiment) of the glass substrate 2A is the air surface A.
- the glass surface discriminating means P1 identifies the film-forming surface (in this embodiment, the upper surface) of the glass substrate 2A as the air surface A, and the CIS-based thin-film solar cell device of the glass substrate 2A at the Sn-containing mark imparting portion P2
- the Sn-containing mark is applied to the non-film-formation surface (hereinafter referred to as the non-film-formation surface; in this example, the bottom surface) 2 on which no film is formed
- the glass substrate 2A is used as the next inversion process P3. Carry it (up and down or left and right) without reversing it and carry it to the next glass cleaning / drying process P4.
- the glass surface discriminating means P1 identifies the non-film-forming surface (in this embodiment, the lower surface) of the glass substrate 2A as the air surface A, and the Sn-containing mark applying part P2 forms the film-forming surface of the glass substrate 2A.
- the glass substrate 2A is transferred to the next glass substrate reversing step P3, and 180 ° (up and down or left and right, up and down in this embodiment) Inverted and transported to the next glass cleaning / drying process P4 (case 1) with the film-forming surface (in this embodiment, the upper surface) as the air surface.
- the glass surface discriminating means P1 identifies the non-film-forming surface (the lower surface in this embodiment) of the glass substrate 2A as the air surface A, and the Sn-containing mark imparting portion P2 defines the glass substrate 2A.
- the Sn content mark is given on the film forming surface (upper surface in this example)
- it is excluded from the transfer line, and the excluded glass substrate 2A is inverted 180 ° (up and down in this example) and aligned in a certain direction.
- the excluded glass substrate 2A can be loaded with its Sn-free surface aligned in a certain direction, and this can be used as it is. It can be transported to the purification process P4.
- the glass substrate 2A is made of each glass so that the air surface A of the glass substrate 2A is a film-forming surface located on the upper surface (float surface B is the lower surface).
- the method of aligning the substrates 2A is used, the loading state and the film forming surface of the glass substrate 2A have a horizontal direction and a vertical direction, in which case the air surface A of the glass substrate 2A is other than the upper surface of this embodiment.
- the glass substrates 2A are the lower surface, the left surface, and the right surface.
- the film forming surface is one of the upper surface, the lower surface, the left surface and the right surface, or the non-film forming surface is The lower surface, the upper surface, the right surface, and the left surface opposite to the film forming surface.
- the glass substrate 2A cleaned / dried in the glass cleaning / drying step P4 is subjected to film formation processing of a CIS-based thin film solar cell device on the air surface side of the glass substrate 2A continuously or after temporary storage. Apply P5.
- the CIS-based thin-film solar cell module film formation process includes an alkali barrier layer film formation process, a metal back electrode layer film formation process, a first pattern formation process, a light absorption layer film formation process, a high
- the resist buffer layer forming step, the second pattern forming step, the window layer forming step, and the third pattern forming step are performed in this order.
- the finishing process installation of electrodes
- bus bar ribbon soldering process first output measurement process, packaging process, second output measurement process, test (Pressure resistance test, etc.
- the process is performed in the order of the packing process, etc., and a CIS-based thin film solar cell module is manufactured.
- the air surface A or the film-forming surface of the glass substrate 2A is set in the upward direction, the downward direction, or the horizontal direction in a part of the process. It is also possible to form a film on the air surface A in one state, either in the direction or in the lateral direction inclined at a certain angle.
- the direction of the air surface A or the film forming surface is not limited to the film forming step P5 of the CIS-based thin-film solar cell device in the present invention, but is a glass surface identifying step P1, Sn containing mark applying step P2, and glass Substrate reversal process P3, glass substrate cleaning 'drying process P
- the direction can also be set (adopted) in 4.
- FIG. 1 is a diagram showing front and back surface identification processing step Pl, Sn-containing mark applying step P2 and glass surface inversion processing step P3 of a glass substrate in the method for producing a CIS-based thin film solar cell module of the present invention.
- FIG. 2 In the CIS-based thin film solar cell device of the present invention, the conversion efficiency X of the circuit X formed on the air surface A not containing Sn of the glass substrate 2A and the float surface B containing Sn of the glass substrate 2A
- FIG. 6 is a comparative distribution diagram of conversion efficiency Y of formed circuit Y.
- FIG. 3 is a production process diagram of the CIS-based thin film solar cell module of the present invention.
- FIG. 4 is a configuration diagram of a CIS-based thin film solar cell module of the present invention.
- FIG. 5 is a configuration diagram of a CIS-based thin film solar cell device.
- FIG. 6 is a diagram showing a manufacturing process of float glass used for a glass substrate of a CIS-based thin film solar cell module.
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800360087A CN101278407B (zh) | 2005-09-29 | 2006-09-29 | Cis系薄膜太阳电池组件的制造方法 |
US12/088,779 US20090032109A1 (en) | 2005-09-29 | 2006-09-29 | Cis based thin-film photovoltaic module and process for producing the same |
KR1020087007648A KR101298058B1 (ko) | 2005-09-29 | 2006-09-29 | Cis계 박막 태양 전지 모듈 및 그 제조 방법 |
EP06810907.3A EP1939946A4 (en) | 2005-09-29 | 2006-09-29 | CIS TYPE THIN-FILM SOLAR BATTERY MODULE AND METHOD FOR PRODUCING SAME |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005284058A JP2007096031A (ja) | 2005-09-29 | 2005-09-29 | Cis系薄膜太陽電池モジュール及びその製造方法 |
JP2005-284058 | 2005-09-29 |
Publications (1)
Publication Number | Publication Date |
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WO2007037406A1 true WO2007037406A1 (ja) | 2007-04-05 |
Family
ID=37899826
Family Applications (1)
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PCT/JP2006/319527 WO2007037406A1 (ja) | 2005-09-29 | 2006-09-29 | Cis系薄膜太陽電池モジュール及びその製造方法 |
Country Status (7)
Country | Link |
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US (1) | US20090032109A1 (ja) |
EP (1) | EP1939946A4 (ja) |
JP (1) | JP2007096031A (ja) |
KR (1) | KR101298058B1 (ja) |
CN (1) | CN101278407B (ja) |
TW (1) | TW200723552A (ja) |
WO (1) | WO2007037406A1 (ja) |
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US9646828B2 (en) * | 2008-04-02 | 2017-05-09 | Sunlight Photonics Inc. | Reacted particle deposition (RPD) method for forming a compound semi-conductor thin-film |
US7842534B2 (en) | 2008-04-02 | 2010-11-30 | Sunlight Photonics Inc. | Method for forming a compound semi-conductor thin-film |
US20100098854A1 (en) | 2008-10-17 | 2010-04-22 | Sunlight Photonics Inc. | Pressure controlled droplet spraying (pcds) method for forming particles of compound materials from melts |
KR100977509B1 (ko) * | 2008-10-20 | 2010-08-23 | 주식회사 정호실업 | 태양전지모듈용 버스리본 |
US8110428B2 (en) | 2008-11-25 | 2012-02-07 | Sunlight Photonics Inc. | Thin-film photovoltaic devices |
EP2399295B1 (en) * | 2009-02-20 | 2019-04-10 | Beijing Apollo Ding rong Solar Technology Co., Ltd. | Protective layer for large-scale production of thin-film solar cells |
US8110738B2 (en) | 2009-02-20 | 2012-02-07 | Miasole | Protective layer for large-scale production of thin-film solar cells |
US8115095B2 (en) | 2009-02-20 | 2012-02-14 | Miasole | Protective layer for large-scale production of thin-film solar cells |
KR101014106B1 (ko) * | 2009-03-31 | 2011-02-10 | 엘지이노텍 주식회사 | 태양전지 및 이의 제조방법 |
US7910396B2 (en) | 2009-10-21 | 2011-03-22 | Sunlight Photonics, Inc. | Three-stage formation of thin-films for photovoltaic devices |
US8012788B1 (en) | 2009-10-21 | 2011-09-06 | Sunlight Photonics Inc. | Multi-stage formation of thin-films for photovoltaic devices |
CN102500758B (zh) * | 2011-09-29 | 2013-06-19 | 厦门大学 | 一种金与铜铟硒的核壳纳米晶及其制备方法 |
US10043921B1 (en) | 2011-12-21 | 2018-08-07 | Beijing Apollo Ding Rong Solar Technology Co., Ltd. | Photovoltaic cell with high efficiency cigs absorber layer with low minority carrier lifetime and method of making thereof |
JP2014075430A (ja) * | 2012-10-03 | 2014-04-24 | Sharp Corp | 太陽電池モジュール |
US9837559B2 (en) * | 2013-03-13 | 2017-12-05 | China Sunergy (Nanjing) Co. Ltd. | Soldering system |
CN106494105A (zh) * | 2015-09-07 | 2017-03-15 | 东莞奔迅汽车玻璃有限公司 | 一种钢化玻璃银线印刷方法和一种钢化玻璃 |
DE102015017306B3 (de) * | 2015-12-04 | 2020-03-19 | Solibro Hi-Tech Gmbh | Verfahren zur Herstellung eines Dünnschichtsolarmoduls |
DE102015121144B4 (de) * | 2015-12-04 | 2019-05-09 | Solibro Hi-Tech Gmbh | Dünnschichtsolarmodul |
FR3059001B1 (fr) | 2016-11-24 | 2021-07-23 | Saint Gobain | Procede d'obtention de plaques de verre marquees |
US11458217B2 (en) * | 2017-07-04 | 2022-10-04 | Asahi Kasei Kabushiki Kaisha | Ultraviolet-emitting device |
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Also Published As
Publication number | Publication date |
---|---|
CN101278407B (zh) | 2010-11-17 |
JP2007096031A (ja) | 2007-04-12 |
EP1939946A4 (en) | 2015-07-22 |
TW200723552A (en) | 2007-06-16 |
US20090032109A1 (en) | 2009-02-05 |
EP1939946A1 (en) | 2008-07-02 |
KR20080064814A (ko) | 2008-07-09 |
CN101278407A (zh) | 2008-10-01 |
KR101298058B1 (ko) | 2013-08-20 |
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