WO2016031315A1 - 太陽光発電モジュール - Google Patents
太陽光発電モジュール Download PDFInfo
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- WO2016031315A1 WO2016031315A1 PCT/JP2015/064329 JP2015064329W WO2016031315A1 WO 2016031315 A1 WO2016031315 A1 WO 2016031315A1 JP 2015064329 W JP2015064329 W JP 2015064329W WO 2016031315 A1 WO2016031315 A1 WO 2016031315A1
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- power generation
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- transparent substrate
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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
- H10F19/804—Materials of encapsulations
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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
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/30—Coatings
- H10F77/306—Coatings for devices having potential barriers
- H10F77/311—Coatings for devices having potential barriers for photovoltaic cells
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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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- 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
- H10F19/90—Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers
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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
- H10F71/00—Manufacture or treatment of devices covered by this subclass
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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
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/20—Electrodes
- H10F77/206—Electrodes for devices having potential barriers
- H10F77/211—Electrodes for devices having potential barriers for photovoltaic cells
- H10F77/219—Arrangements for electrodes of back-contact photovoltaic cells
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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
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/20—Electrodes
- H10F77/244—Electrodes made of transparent conductive layers, e.g. transparent conductive oxide [TCO] layers
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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
Definitions
- the present invention relates to a photovoltaic power generation module that can suppress a PID phenomenon that causes a significant performance degradation when installed outdoors and can stably obtain a high output.
- Non-Patent Document 1 cover glass used as a transparent substrate member for water intrusion into the power generation module. It has been pointed out that it is caused by the movement of sodium ions inside.
- Patent Document 1 cover glass used as a transparent substrate member for water intrusion into the power generation module.
- Patent Document 2 cover glass used as a transparent substrate member for water intrusion into the power generation module.
- Patent Document 3 cover glass used as a transparent substrate member for water intrusion into the power generation module. It has been pointed out that it is caused by the movement of sodium ions inside.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2014-11270
- Patent Document 2 Japanese Patent Application Laid-Open No. 2011-254116
- Patent Document 3 suppression of the movement of sodium ions in the glass to the cell as described in JP2013-254993A
- Snail Trail (also referred to as Snail Track) A bug that is called has also been reported. Snail trail is a phenomenon that occurs mainly at the interface between the power generation cell and the sealing material, and produces “a trace that looks like a snail”. Snail trails are formed by the formation of minute cracks in the silicon wafer of the cell, and are considered to involve water, oxygen, and carbon dioxide.
- Non-Patent Document 3 the areas where the snail trails are turned to black or gray.
- electrode components such as nanoparticulated Ag, sulfur, phosphorus or chlorine has been observed.
- the snail trail and the troubles accompanying this are also cited as a cause due to deterioration such as corrosion and peeling of electrodes and solder.
- These defects are considered to be caused by acetic acid generated by moisture intrusion into the module or hydrolysis of a sealing material such as EVA.
- EVA a sealing material
- These defects also cause a significant decrease in the reliability of the solar cell as in the case of the PID, but the fundamental solution is difficult, and an immediate countermeasure is required.
- the object of the present invention is to solve the above-mentioned problems, and it is possible to improve the power generation efficiency by a simple and inexpensive method. Moreover, PID and snail trail, which are the main causes of performance deterioration, An object of the present invention is to provide a photovoltaic power generation module capable of suppressing the occurrence of problems associated therewith.
- the present inventors have verified each member in the photovoltaic power generation module at the molecular level and are conscious of the importance of cost reduction.
- Various studies were conducted and various conditions were examined. As a result, it was found that the PID phenomenon hardly occurs when predetermined physical properties are imparted to the surfaces of the respective members inside and outside the photovoltaic power generation module. That is, the object of the present invention is achieved by the following configuration.
- At least the outer peripheral frame, the transparent substrate, the sealing material, and the back sheet as the structural member, and at least one of the following (A) or (B) as the functional member, (A) Cell and interconnector, (B) a transparent electrode, a power generation layer, and a back electrode, A photovoltaic power generation module in which at least a part or all of any of the above members is covered with a coating of a water-repellent surface modifying material.
- the photovoltaic module according to (1), wherein the sheet resistance of the coating of the surface modifying material is 100 ⁇ / sq or more under the condition of a humidity of 85% RH.
- the coating of the surface modifying substance is formed on the surface of one or more members selected from an outer peripheral frame member, a transparent substrate member, and a back sheet member. Any photovoltaic module.
- the present invention it is possible to improve the power generation efficiency inexpensively and easily, and can suppress the occurrence of PID, the snail trail, or the problems associated with them, which are the main causes of the output decrease of the photovoltaic power generation module,
- the reliability and life of the solar power generation module are improved, it is possible to ensure a stable output for a long period of time, and it is extremely useful in manufacturing in a mass production process.
- FIG. 2 is a drawing-substituting photograph showing the light emission state of Invention Sample 1 in Example 1.
- FIG. FIG. 2 is a drawing-substituting photograph showing the light emission state of Invention Sample 1 left under high temperature and high humidity conditions in Example 1.
- FIG. FIG. 6 is a drawing-substituting photograph showing a light emission state of Comparative Sample 1 left under high temperature and high humidity conditions in Comparative Example 1.
- FIG. FIG. 5 is a drawing-substituting photograph showing the light emission state of Invention Sample 2 that was left under high temperature and high humidity conditions in Example 2.
- FIG. 6 is a drawing-substituting photograph showing the light emission state of Invention Sample 3 that was left under high temperature and high humidity conditions in Example 3.
- FIG. 6 is a drawing-substituting photograph showing a light emission state of Invention Sample 4 left in a high temperature and high humidity condition in Example 4.
- FIG. 6 is a drawing-substituting photograph showing the light emission state of Invention Sample 3 that was left under high temperature and high humidity conditions in Example 3.
- FIG. 6 is a drawing-substituting photograph showing a light emission state of Invention Sample 4 left in a high temperature and high humidity condition in Example 4.
- the photovoltaic power generation module of the present invention has at least an outer peripheral frame, a transparent substrate, a sealing material and a back sheet as a structural member, and at least one of the following (A) or (B) as a functional member, (A) Cell and interconnector, (B) a transparent electrode, a power generation layer, and a back electrode, Furthermore, at least a part or all of the surface of any one of the above members is covered with a coating of a water-repellent surface modifying substance.
- a water-repellent surface modifying substance By covering at least a part of the structural member with the coating of the water-repellent surface modifying substance, it is possible to prevent the ingress of moisture and suppress the generation of PID.
- FIG. 1 is a cross-sectional view of a (A) crystal-based photovoltaic power generation module.
- the solar power generation module of this example includes at least an outer peripheral frame 11, a transparent substrate 12, a sealing material 13, a cell 14, an interconnector 15, and a back sheet 16 as a basic configuration.
- FIG. 2 is a cross-sectional view of (B) an amorphous silicon-based or compound-based solar power generation module.
- the solar power generation module of this example includes at least an outer peripheral frame 101, a transparent substrate 102, a sealing material 103, a power generation layer 104, a transparent electrode 105, a back electrode 106, and a back sheet 107 as a basic configuration. .
- the outer peripheral frame, the transparent substrate, the sealing material, and the back sheet are structural members, and are common to all types of solar power generation modules.
- functional members directly involved in the power generation function are (A) cells and interconnectors in crystalline solar power generation modules, and (B) transparent electrodes and power generation in amorphous silicon or compound solar power generation modules. Layer, and back electrode.
- each said structural member is an essential basic structure, and an additional structural element is further added as needed.
- the functional member is important, and any one of these, in particular, a part or all of the laminate of the cell or transparent electrode, the power generation layer, and the back electrode may be covered. Also, it is more effective to form the interconnector when forming the coating on the cell. Furthermore, when forming in these partial areas, it is preferable to form it on the entire surface of one side of the cell or the entire surface of the back electrode.
- a film of a surface modifying substance may be formed on at least one of the outer peripheral frame, the transparent substrate, the sealing material, and the back sheet. Furthermore, if a film is formed on the inner surface of the transparent substrate, that is, the sealed space side, it is possible to prevent the cell from being contaminated by sodium ions or the like present on the transparent substrate, which is also effective. Further, it is preferable that a coating is present at least on the contact surface with the cell. In addition, when using aluminum for an outer periphery flame
- the surface of each constituent element is covered with a coating of the surface modifying substance.
- the thickness of the surface modifying substance coating is preferably 1 nm or more, more preferably 5 nm or more and 500 nm or less, and further preferably 10 nm or more and 160 nm or less. If the film is too thin, it is difficult to obtain the effect, and even if the thickness exceeds a certain value, the effect does not change, so the material is wasted.
- the surface-modifying substance coating can prevent the movement of ultrafine substances such as ions and molecules, and ions such as sodium in the module that cause PID. It is difficult to cause the movement phenomenon.
- the said film is water-repellent, the solar power generation module which rain water and the water
- the sheet resistance is 100 ⁇ / sq or more, preferably 500 ⁇ / sq or more, more preferably 1000 ⁇ / sq or more under the condition of a humidity of 85% RH. Good. If the sheet resistance is equal to or greater than the above value, the performance deterioration of the power generation module due to PID can be effectively prevented.
- the sheet resistance of a member effective under the above humidity conditions is 100 ⁇ / sq or more, but the upper limit is preferably 10 15 ⁇ / sq or less, more preferably 10 10 ⁇ / sq or less.
- the surface resistivity (unit: ⁇ / ⁇ or ⁇ / sq) is usually used.
- This resistance value is referred to as sheet resistance or surface resistance, and is a resistance value when current flows in a unit square (1 cm 2 ) region from one side to the opposite direction.
- a film with high water repellency has a large sheet resistance value.
- the temperature condition for measuring the electrical resistance of the member surface in the present invention is preferably ⁇ 40 ° C. to 100 ° C., more preferably 15 to 85 ° C., and more preferably 20 ° C. to 60 ° C.
- a contact angle of water The larger the contact angle of the coating film with water in the present invention, the better the water repellency, the water penetration into the photovoltaic module can be inhibited, and the initial performance can be maintained for a long time outdoors. Also, dirt attached to the module can be easily removed.
- the contact angle can be measured with a contact angle meter.
- a preferable range of the water contact angle of the coating film is a condition where the measurement temperature is 20 ° C. to 50 ° C. and the measurement humidity is 20% RH to 50% RH, preferably greater than 50 degrees and less than 180 degrees. More preferably more than 100 degrees and less than 150 degrees, still more preferably more than 100 degrees and less than 140 degrees.
- the sliding angle of water The smaller the sliding angle of the coating film with respect to water in the present invention, the more the water repellency is improved and the water penetration into the photovoltaic power generation module can be inhibited, and the initial performance can be maintained for a long time outdoors.
- the sliding angle can be measured with a sliding angle meter.
- the film surface of each member of the solar power generation module is kept horizontal to allow water droplets to adhere, and the film surface is tilted little by little to measure the angle at which the water droplets slide down.
- the sliding angle effective in the present invention is not less than 0.5 degrees and not more than 60 degrees, preferably not less than 0.5 degrees and not more than 50 degrees, more preferably not less than 1 degree and not more than 45 degrees.
- the refractive index of the coating itself applied to the photovoltaic module in the present invention is the same as the refractive index of the transparent substrate member that is a structural member or the cell member that is a functional member, the power generation efficiency when the coating is applied is applied to the photovoltaic module. The same performance as before can be maintained.
- the refractive index of the coating is smaller than the refractive index of the transparent substrate member or cell member, the power generation performance is preferably improved by about 0.5 to 3% due to the antireflection effect.
- the power generation efficiency when the coating is applied maintains the same performance as before applying the coating. it can. Further, when the light transmittance of the coating is higher than the light transmittance of the transparent substrate member or cell member, the power generation performance is improved by about 0.5% to 3%.
- a porous antireflection material may be used, but since the coating in the present invention forms a further water-repellent coating on the porous antireflection material, PID induced by such an antireflection material can also be prevented.
- any organic or inorganic material can be used as long as it has the above characteristics.
- a resin material is preferable.
- the resin material any one of a solvent dilution type, a thermosetting type, and an ultraviolet curable type resin can be used.
- the solvent dilution type resin means a resin in which the precursor of the coating film is not chemically changed even after the coating is formed.
- the thermosetting resin means that the precursor of the coating is cured by heat.
- resin means an ultraviolet ray (or radiation containing light) curable resin means a resin in which a precursor of a coating is cured by ultraviolet rays (or radiation containing light).
- Solvent-diluted resin The solid component, which is the main component for forming the coating, is dissolved in advance, applied to each member of the photovoltaic power generation module, and the coating is formed by evaporating the solvent to obtain the desired coating-forming module.
- the solid content used in the solvent dilution type include acrylic resin, epoxy resin, PC (polycarbonate), TAC (triacetyl cellulose), PET (polyethylene terephthalate), PVA (polyvinyl alcohol), PVB (polyvinyl butyral), and PEI.
- Polyetherimide polyester, EVA (ethylene-vinyl acetate copolymer), PCV (polyvinyl chloride), PI (polyimide), PA (polyamide), PU (polyurethane), PE (polyethylene), PP (polypropylene), PS (Polystyrene), PAN (polyacrylonitrile), butyral resin, ABS (acrylonitrile-butadiene-styrene copolymer), ETFE (ethylene-tetrafluoroethylene copolymer), PVF (polyfluoride) Yl) fluororesin such as, can be used by mixing one of the foregoing such as silicone resin, or two or more.
- EVA ethylene-vinyl acetate copolymer
- PCV polyvinyl chloride
- PI polyimide
- PA polyamide
- PU polyurethane
- PE polyethylene
- PP polypropylene
- PS Polystyrene
- PAN polyacrylonitrile
- the fluorine-based resin is excellent in water repellency and has excellent characteristics as described above. On the other hand, even when other resins are used, a certain degree of effect can be obtained, so that these can be used depending on the use conditions. Furthermore, a resin composition or the like provided with thermosetting or active energy ray curability such as ultraviolet rays can be used.
- Thermosetting resin Dissolve the solids, which is the main component of the coating, and apply it to each member of the photovoltaic module, evaporate the solvent, and then heat the coated surface at room temperature or above to form the coating Thus, a desired module can be obtained.
- the solid content used in the thermosetting type include polymers such as epoxy resins, melamine resins, urea resins, urethane resins, and polyimide resins, and fluororesins, silazane resins, and silicone resins. Two or more kinds can be mixed and used.
- Ultraviolet (or radiation containing light) curable resin Dissolve solids, which is the main component of the film, and apply it to each member of the photovoltaic module and evaporate the solvent.
- a desired module is obtained by forming a cured film by irradiating (or radiation containing light).
- the radiation or electromagnetic wave used for the effect is generally ultraviolet rays, but radiation containing light such as visible light can also be used.
- the solid content used in the ultraviolet (or radiation containing light) curable type include silicone resins, acrylic resins, unsaturated polyester resins, epoxy resins, fluororesins, oxetane resins, and polyvinyl ether resins. Or 2 or more types can be used.
- UV light (or visible light) curing high pressure mercury lamp, constant pressure mercury lamp, thallium lamp, indium lamp, metal halide lamp, xenon lamp, ultraviolet LED, blue LED, white LED, excimer lamp manufactured by Harrison Toshiba Lighting, manufactured by Fusion
- light sources such as H bulbs, H plus bulbs, D bulbs, V bulbs, Q bulbs, M bulbs, etc.
- sunlight it is also possible to use sunlight.
- as a method of curing in the absence of oxygen there is a case where the curing is performed in an atmosphere of nitrogen gas, carbon dioxide gas, helium gas or the like.
- ultraviolet curing it is preferable to irradiate ultraviolet rays of 200 to 400 nm, preferably in the range of 0.1 to 1000 J / cm 2 . Moreover, it is more preferable to irradiate the energy ray active for curing by dividing it into a plurality of times. That is, when the first irradiation is performed for about 1/20 to 1/3 of the total irradiation amount and the necessary remaining amount is irradiated for the second and subsequent times, a cured product having smaller birefringence can be obtained.
- the irradiation time can be appropriately adjusted according to the amount of resin and the degree of curing, and is usually adjusted between about 1 second and 10 minutes.
- the solvent used for dissolving the solid content used as a solvent dilution type, a thermosetting type, or an ultraviolet ray (or radiation containing light) curable type is any solvent that can dissolve or disperse the solid content. It is not limited. Specifically, CF 3 CH 2 OH, F (CF 2 ) 2 CH 2 OH, (CF 3 ) 2 CHOH, F (CF 2 ) 3 CH 2 OH, F (CF 2 ) 4 C 2 H 5 OH, Fluorine alcohol solvents such as H (CF 2 ) 2 CH 2 OH, H (CF 2 ) 3 CH 2 OH, H (CF 2 ) 4 CH 2 OH, and fluorine-containing fragrances such as perfluorobenzene and meta-xylene hexafluoride Group solvents, CF 4 (HFC-14), CHClF 2 (HCFC-22), CHF 3 (HFC-23), CH 2 CF 2 (HFC-32), CF 3 CF 3 (PFC-116), CF 2 ClCFCl
- the dilution rate may be adjusted to an optimum dilution rate depending on the resin and solvent to be used, the thickness of the coating film to be formed, and the drying conditions.
- the solid component is adjusted to 30 to 0.05% by mass in the adjusted solvent.
- the various alcohol solvents, fluorine solvents, ketone solvents, and ester solvents are preferred from the viewpoint of solubility, coating film appearance, and storage stability, and in particular, methanol, ethanol, isopropanol, methyl ethyl ketone, Methyl isobutyl ketone, cyclohexanone, cellosolve acetate, butyl acetate, ethyl acetate, perfluorobenzene, metaxylene hexafluoride, HCFC-225, CFC-113, HFC-134a, HFC-143a, HFC-142b alone or in combination It is preferable to use a mixture.
- Hyflon series Solvay Solexis
- THV series Suditomo 3M
- Neoflon series Daikin Kogyo
- Optoace Daikin Kogyo
- Kyner series Alkama
- Dionion series Dion Co., Ltd.
- Marvell Coat Mitsubishi Gas Chemical Co., Ltd.
- F Top Series Mitsubishi Materials Electronic Chemicals Co., Ltd.
- SDF Coat AGC Seikagaku Co., Ltd.
- a method of immersing the above solution in a cloth or paper and wiping the surface of each member of the solar cell module by hand is used.
- a suitable method can be selected from existing coating methods. Specifically, printing methods such as screen printing, gravure coating method, reverse coating method, bar coating method, spray coating method, knife coating method, roll coating method, die coating method, etc. can be used. (Flow coating), spin coating method, CVD method, mist-CVD method and the like may be used. By selecting an optimum one from these methods and forming a desired film, it is possible to obtain a solar power generation module having a film of a surface modifying material having an arbitrary physical property.
- the film thickness of the coating film to be formed is not particularly restricted and may be about the same as that of a coating film formed from a normal resin material. Specifically, it may be about 1 to 500 ⁇ m. It is also possible to adjust to the desired physical properties by adjusting the film thickness of the coat layer. What is necessary is just to adjust the solid content concentration of the composition solution for application
- the surface-modifying substance film can be effectively formed on the structural member or the functional member.
- the coating film can be formed on the surfaces of the outer peripheral frame member, the transparent substrate member, and the back sheet member, which are structural members, it is possible to suppress PID, snail trails, or problems associated therewith.
- the outer peripheral frame member, the transparent substrate member, and the back sheet member are all covered with a coating of a surface modifying material in advance, and a solar power generation module is assembled, so that It is possible to prevent intrusion of outside air and prevent PID and snail trails or problems associated with them.
- at least one or more of the outer peripheral frame member, the transparent substrate member, and the back sheet member can also achieve an effect by covering only the surface where the member is in contact with air.
- the film may be formed on a functional member.
- a functional member it is effective if it is formed on a cell, and it may be formed on a part or front of the cell member surface. Or you may form in the laminated body of a transparent electrode, an electric power generation layer, and a back surface electrode, However Since these are integrally formed on the transparent substrate, it is necessary to form a film so that these may be covered.
- each member of the power generation module for example, aluminum is often used for the outer peripheral frame from the viewpoint of ease of processing and light weight.
- the transparent substrate is not necessarily limited, and materials such as glass, polycarbonate, acrylic, polyethylene terephthalate (PET), polyethylene naphthalate (PEN), and polyimide (PI) are used.
- the sealing material for example, ethylene-vinyl acetate copolymer (EVA), polyvinyl butyral (PVB), silicone resin, or the like is used, and the cell, the interconnector, the power generation layer, the transparent electrode, and the back electrode are protected.
- PVF polyvinyl fluoride
- PET polyethylene terephthalate
- PE polyethylene
- aluminum, glass, or a laminate thereof is used to protect the sealing material and the internal power generation site.
- butyl rubber, silicone rubber, or the like is used as a caulking agent inside the outer peripheral frame to protect the inside of the power generation module.
- the present invention can be used regardless of the aspect of the photovoltaic power generation module, such as a crystal system, an amorphous silicon system, a compound system such as CIGS, and an organic system such as a hue sensitizing type and an organic thin film type. It can be used for all photovoltaic power generation modules having a power generation substrate.
- various additional components such as an antireflection layer may be added to supplement the necessary functions.
- Teflon AF1601S is soaked into the cloth, so that the outer peripheral aluminum frame, transparent glass substrate and frame of the crystalline solar power module (1650mm x 990mm) so that the thickness of the film is about 0.02 to 0.2 ⁇ m
- the glass substrate and the back sheet were coated with a gap, and hot air was sent with a hair dryer and dried.
- Water contact angle (25 ° C., 40% RH) and sliding angle (25 ° C., 40% RH) and sheet resistance (25 ° C., 85% RH) of the glass transparent substrate of the power generation module (Invention Sample 1) on which the film is formed Were 104.3 degrees, 14.8 degrees, and 5.51 ⁇ 10 4 ⁇ / sq, respectively.
- a voltage of ⁇ 1000 V was applied to the power generation module to emit light, all the internal cells emitted light as shown in FIG. 3, and the light emission amount was set to 100% (reference value).
- the power generation module was left for 150 hours while being exposed to a high temperature and high humidity condition (85 ° C., 85% RH) in a temperature and humidity control device such as a constant temperature and humidity chamber, and then removed from the device and, similarly to the above, ⁇ 1000 V When voltage was applied, light was emitted as shown in FIG. 4, and the light emission at this time was 98% of the light emission before exposure to high temperature and high humidity conditions.
- a high temperature and high humidity condition 85 ° C., 85% RH
- a temperature and humidity control device such as a constant temperature and humidity chamber
- Example 1 As in Example 1, a voltage of ⁇ 1000 V was applied to a photovoltaic power generation module (Comparative Sample 1) that did not form a coating in the same lot as described above, and a light emission amount of 100% (reference value) was obtained. When this module was left to stand for 96 hours while being exposed to high temperature and high humidity (85 ° C., 85% RH) conditions as in Example 1, it was taken out, and when a voltage of ⁇ 1000 V was applied as in Example 1, FIG. Thus, light was emitted at a light emission amount of 2% compared to the reference value.
- Example 2 Infiltrate Teflon AF1601S into the cloth and apply the same film thickness to that of Example 1 to the outer aluminum peripheral frame and glass transparent substrate of the crystalline solar power generation module (1650mm ⁇ 990mm) of the same lot as Example 1. And heated with a hair dryer to dry. Water contact angle (25 ° C., 40% RH) and sliding angle (25 ° C., 40% RH) and sheet resistance (25 ° C., 85% RH) of the glass transparent substrate of the power generation module (Invention Sample 2) on which the film is formed Were measured to be 104.5 degrees, 14.1 degrees, and 4.91 ⁇ 10 4 ⁇ / sq, respectively. When a voltage of ⁇ 1000 V was applied to the power generation module, all the internal cells emitted light, and the light emission amount was set to 100% (reference value).
- This power generation module was left for 130 hours while being exposed to high temperature and high humidity conditions (85 ° C., 85% RH) in the same manner as in Example 1, and when a voltage of ⁇ 1000 V was applied, light was emitted as shown in FIG. The amount of luminescence was 97% before being exposed to high temperature and high humidity conditions.
- Example 3 Infiltrate Teflon AF1601S into the cloth and apply the same film thickness to that of Example 1 to the outer aluminum peripheral frame and glass transparent substrate of the crystalline solar power generation module (1650mm ⁇ 990mm) of the same lot as Example 1. And heated with a hair dryer to dry. Water contact angle (25 ° C., 40% RH) and sliding angle (25 ° C., 40% RH) and sheet resistance (25 ° C., 85% RH) of the glass transparent substrate of the power generation module (Invention Sample 3) on which the film is formed Were 108.1 degrees, 9.7 degrees, and 7.15 ⁇ 10 4 ⁇ / sq, respectively. When a voltage of ⁇ 1000 V was applied to the power generation module, all the internal cells emitted light, and the light emission amount was set to 100% (reference value).
- This power generation module was taken out after being left for 100 hours while being exposed to high temperature and high humidity conditions (85 ° C., 95% RH) in the same manner as in Example 1.
- high temperature and high humidity conditions 85 ° C., 95% RH
- Example 4 Marvel coat RFH-05X is soaked into the cloth, and the same film thickness as in Example 1 is applied to the outer aluminum outer frame and glass transparent substrate of the crystalline solar power generation module (1650mm x 990mm) in the same lot as Example 1. Then, it was coated and heated with a hair dryer and dried. Water contact angle (25 ° C., 40% RH) and sliding angle (25 ° C., 40% RH) and sheet resistance (25 ° C., 85% RH) of the glass transparent substrate of the power generation module (Invention Sample 4) on which the film is formed Were 109.5 degrees, 10.9 degrees, and 1.15 ⁇ 10 4 ⁇ / sq, respectively. When a voltage of ⁇ 1000 V was applied to the power generation module, all the internal cells emitted light, and the light emission amount was set to 100% (reference value).
- This power generation module was taken out after being left for 120 hours while being exposed to high temperature and high humidity conditions (85 ° C., 85% RH) in the same manner as in Example 1.
- high temperature and high humidity conditions 85 ° C., 85% RH
- Example 5 Infiltrate a cloth with a butyl acetate solution in which 4% by mass of polymethylmethacrylate is dissolved, and implement it on the outer peripheral aluminum frame and glass transparent substrate of the crystalline solar power generation module (1659 mm ⁇ 990 mm) of the same lot as in Example 1.
- the film was coated so as to have the same film thickness as in Example 1, hot air was sent with a hair dryer and dried.
- the power generation module was left for 15 hours while being exposed to high-temperature and high-humidity conditions (85 ° C., 95% RH) in the same manner as in Example 1.
- the light emission amount when a voltage of ⁇ 1000 V was applied was high-temperature and high-humidity conditions.
- Example 6 Infiltrate Marvel Coat RFH-05X into the cloth, and apply it to the glass transparent substrate outside the crystal solar power generation module (1650mm x 990mm) of the same lot as in Example 1 so that it has the same film thickness as in Example 1. Then, hot air was sent with a hair dryer and dried. Water contact angle (25 ° C., 40% RH) and sliding angle (25 ° C., 40% RH) and sheet resistance (25 ° C., 85% RH) of the glass transparent substrate of the power generation module (Invention Sample 6) on which the film is formed Were 109.3 degrees, 10.5 degrees, and 0.97 ⁇ 10 3 ⁇ / sq, respectively. When a voltage of ⁇ 1000 V was applied to the power generation module, all the internal cells emitted light, and the light emission amount was set to 100% (reference value).
- the power generation module was left to stand for 30 hours while being exposed to high-temperature and high-humidity conditions (85 ° C., 85% RH) in the same manner as in Example 1, and the amount of luminescence when a voltage of ⁇ 1000 V was applied was high-temperature and high-humidity conditions. The amount of luminescence before exposure to 96%.
- Example 7 Infiltrate Marvel Coat RFH-05X into the cloth, and apply it to the outer peripheral frame of the crystalline solar power generation module (1650mm x 990mm) of the same lot as in Example 1 so as to have the same film thickness as in Example 1. Then, hot air was sent with a hair dryer and dried. Water contact angle (25 ° C, 40% RH) and sliding angle (25 ° C, 40% RH) and sheet resistance (25 ° C, 85% RH) of the aluminum outer frame of the power generation module (Invention Sample 7) on which the film is formed Were 108.3 degrees, 11.2 degrees, and 4.15 ⁇ 10 3 ⁇ / sq, respectively. When a voltage of ⁇ 1000 V was applied to the power generation module, all the internal cells emitted light, and the light emission amount was set to 100% (reference value).
- the power generation module was left to stand for 30 hours while being exposed to high-temperature and high-humidity conditions (85 ° C., 85% RH) in the same manner as in Example 1, and the amount of luminescence when a voltage of ⁇ 1000 V was applied was high-temperature and high-humidity conditions. The amount of luminescence before exposure to 95%.
- Example 8 Infiltrate Marvel Coat RFH-05X into the cloth, apply it to the gap between the outer peripheral aluminum frame and the transparent glass substrate of the crystalline solar power generation module (1650mm x 990mm) of the same lot as in Example 1, and hot air with a hair dryer And dried.
- a voltage of ⁇ 1000 V was applied to the power generation module (Invention Sample 8) on which the film was formed, all the cells inside emitted light, and this light emission amount was set to 100% (reference value).
- the power generation module was left to stand for 30 hours while being exposed to high-temperature and high-humidity conditions (85 ° C., 85% RH) in the same manner as in Example 1, and the amount of luminescence when a voltage of ⁇ 1000 V was applied was high-temperature and high-humidity conditions. The amount of luminescence was 94% before exposure to water.
- the present invention is not limited to the type of power generation substrate such as a single-crystal, polycrystal, amorphous silicon semiconductor type or other silicon type or CIGS, or other compound type, such as a hue sensitized type or an organic thin film type. It can be used to maintain the long-term performance of various types of photovoltaic power generation modules and to improve power generation efficiency. Moreover, it can apply not only to what uses the sunlight used outdoors as an energy source, but to the electric power generation module which uses artificial light as an energy source indoors.
- outer peripheral frame 12 transparent substrate 13: sealing material 14: cell 15: interconnector 16: backsheet 101: outer peripheral frame 102: transparent substrate 103: sealing material 104: power generation layer 105: transparent electrode 106: back electrode 107 : Back sheet
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Abstract
Description
(1)構造部材として少なくとも外周フレーム、透明基板、封止材およびバックシートと、機能部材として少なくとも以下の(A)または(B)の何れかを有し、
(A)セルおよびインターコネクタ、
(B)透明電極、発電層、および裏面電極、
撥水性の表面改質物質の被膜で少なくとも上記いずれかの部材の一部または全てが覆われている太陽光発電モジュール。
(2)前記表面改質物質の被膜のシート抵抗が、湿度が85%RHの条件下で100Ω/sq以上である上記(1)の太陽光発電モジュール。
(3)前記被膜の水の接触角が50度より大きい上記(1)または(2)の太陽光発電モジュール。
(4)前記表面改質物質の被膜面の水の滑落角が0.5度以上60度以下である上記(1)~(3)のいずれかの太陽光発電モジュール。
(5)前記表面改質物質の被膜の屈折率が透明基板部材およびセル部材の屈折率と同じあるいは小さい上記(1)~(4)のいずれかの太陽光発電モジュール。
(6)前記表面改質物質の被膜の光線透過率が透明基板部材およびセル部材と同じかあるいは大きい上記(1)~(5)のいずれかの太陽光発電モジュール。
(7)前記表面改質物質が、溶剤希釈型、熱硬化型または紫外線硬化型のいずれかの樹脂である上記(1)~(6)のいずれかの太陽光発電モジュール。
(8)前記表面改質物質の被膜は外周フレーム部材、透明基板部材およびバックシート部材から選択される1つまたは2つ以上の部材の表面に形成されている上記(1)~(7)のいずれかの太陽光発電モジュール。
(9)前記表面改質物質の被膜は部材が空気と接触している部分に形成されている上記(1)~(8)のいずれかの太陽光発電モジュール。
(10)前記表面改質物質の被膜はセル部材表面の一部または全部に形成されている上記(1)~(7)のいずれかの太陽光発電モジュール。
(11)前記表面改質物質の被膜は基板の内側の一部または全部に形成されている上記(1)~(8)のいずれかの太陽光発電モジュール。
(A)セルおよびインターコネクタ、
(B)透明電極、発電層、および裏面電極、
さらに、撥水性の表面改質物質の被膜で少なくとも上記いずれかの部材の表面の一部または全てが覆われている。このように、撥水性の表面改質物質の被膜で構造部材の少なくとも一部を覆うことにより、水分の進入を防止してPIDの発生を抑制することができる。
表面改質物質の被膜は、各部材に形成したときに、湿度が85%RHの条件下で、シート抵抗が100Ω/sq以上、好ましくは500Ω/sq以上、より好ましくは1000Ω/sq以上であるとよい。シート抵抗が前記値以上であればPIDによる発電モジュールの性能劣化を効果的に防ぐことができる。上記の湿度条件で有効な部材のシート抵抗は、100Ω/sq以上であるが、その上限は好ましくは1015Ω/sq以下であり、より好ましくは1010Ω/sq以下である。
本発明における被膜の水に対する接触角は大きいほど撥水性が向上し、太陽光発電モジュールへの水の侵入を阻害することができ、屋外で長期間初期性能を維持することができる。また、モジュールに付着した汚れも容易に除去できる。接触角は、接触角計で測定できる。本発明における、当該被膜の水の接触角の好ましい範囲は、測定温度が20℃~50℃、および測定湿度が20%RH~50%RHの条件で、好ましくは50度より大きく180度未満であり、より好ましくは100度より大きく150度未満であり、更に好ましくは100度より大きく140度未満である。
本発明における被膜の水に対する滑落角は小さいほど、撥水性が向上し太陽光発電モジュールへの水の侵入を阻害することができ、屋外で長期間初期性能を維持することができる。滑落角は、滑落角計で測定できる。例えば太陽光発電モジュールの各部材の被膜面を水平に保ち水滴を付着させておき、この被膜面を少しずつ傾け水滴が滑り落ちる角度を測定する。本発明において有効な滑落角は、0.5度以上60度以下であり、好ましくは0.5度以上50度以下、より好ましくは1度以上45度以下である。
本発明における光発電モジュールに施される被膜自体の屈折率が構造部材である透明基板部材あるいは機能性部材であるセル部材の屈折率と同じ場合、被膜を施した際の発電効率は被膜を施す前と同じ性能を維持できる。また、被膜の屈折率が透明基板部材あるいはセル部材の屈折率より小さい場合、反射防止効果により発電性能が好ましくは0.5~3%程度向上する。
本発明における光発電モジュールに施される被膜自体の光線透過率が透明基板部材あるいはセル部材の光線透過率と同じ場合、当該被膜を施した際の発電効率は被膜を施す前と同じ性能を維持できる。また、被膜の光線透過率が透明基板部材あるいはセル部材の光線透過率より大きい場合、発電性能が0.5%~3%程度向上する。なお、透明基板部材に発電効率を向上させるために多孔質反射防止材が用いられることがあるが、本発明における被膜は、それら多孔質反射防止材上に更に撥水性の被膜を形成するので、このような反射防止材により誘発されるPIDも防止することができる。
前記表面改質物質は、上記特性を有する物質であれば有機、無機材料を問わず用いることが可能であるが、被膜の形成し易さ、コスト面などを考慮すると、樹脂材料が好ましい。樹脂材料としては、溶剤希釈型、熱硬化型または紫外線硬化型のいずれかの樹脂を用いることができる。
布にテフロンAF1601Sを染みこませ、被膜の厚さが0.02~0.2μm程度となるように、結晶系太陽光発電モジュール(1650mm×990mm)の外側のアルミニウム外周フレーム、ガラス透明基板、フレームとガラス基板およびバックシートとのすき間に塗り込み、ヘアドライヤーで熱風を送り乾燥した。被膜を形成した発電モジュール(発明サンプル1)のガラス透明基板の水の接触角(25℃、40%RH)と滑落角(25℃、40%RH)およびシート抵抗(25℃、85%RH)を測定したところ、各々104.3度、14.8度、5.51×104Ω/sqであった。この発電モジュールに-1000Vの電圧を印加し発光させたところ、図3に示すように内部のセルが全て発光し、この発光量を100%(基準値)とした。
上記と同ロットで被膜を形成しない太陽光発電モジュール(比較サンプル1)に実施例1同様-1000Vの電圧を印加し100%(基準値)の発光量を得た。このモジュールを実施例1と同様に高温高湿(85℃、85%RH)条件下に曝しながら96時間放置した後取り出し、実施例1と同様に-1000Vの電圧を印加すると、図5に示すように基準値と比べ発光量2%で発光した。
布にテフロンAF1601Sを染みこませ、実施例1と同ロットの結晶系太陽光発電モジュール(1650mm×990mm)の外側のアルミニウム外周フレームとガラス透明基板に実施例1と同様の膜厚となるよう塗り込み、ヘアドライヤーで熱風を送り乾燥した。被膜を形成した発電モジュール(発明サンプル2)のガラス透明基板の水の接触角(25℃、40%RH)と滑落角(25℃、40%RH)およびシート抵抗(25℃、85%RH)を測定したところ、各々104.5度、14.1度、4.91×104Ω/sqであった。この発電モジュールに-1000Vの電圧を印加したところ内部のセルが全て発光し、この発光量を100%(基準値)とした。
布にテフロンAF1601Sを染みこませ、実施例1と同ロットの結晶系太陽光発電モジュール(1650mm×990mm)の外側のアルミニウム外周フレームとガラス透明基板に実施例1と同様の膜厚となるよう塗り込み、ヘアドライヤーで熱風を送り乾燥した。被膜を形成した発電モジュール(発明サンプル3)のガラス透明基板の水の接触角(25℃、40%RH)と滑落角(25℃、40%RH)およびシート抵抗(25℃、85%RH)を測定したところ、各々108.1度、9.7度、7.15×104Ω/sqであった。この発電モジュールに-1000Vの電圧を印加したところ内部のセルが全て発光し、この発光量を100%(基準値)とした。
布にマーベルコートRFH-05Xを染みこませ、実施例1と同ロットの結晶系太陽光発電モジュール(1650mm × 990mm)の外側のアルミニウム外周フレームとガラス透明基板に実施例1と同様の膜厚となるよう塗り込み、ヘアドライヤーで熱風を送り乾燥した。被膜を形成した発電モジュール(発明サンプル4)のガラス透明基板の水の接触角(25℃、40%RH)と滑落角(25℃、40%RH)およびシート抵抗(25℃、85%RH)を測定したところ、各々109.5度、10.9度、1.15×104Ω/sqであった。この発電モジュールに-1000Vの電圧を印加したところ内部のセルが全て発光し、この発光量を100%(基準値)とした。
ポリメチルメタクリレートを4質量%溶解させた酢酸ブチル溶液を布に染みこませ、実施例1と同ロットの結晶系太陽光発電モジュール(1659mm×990mm)の外側のアルミニウム外周フレームとガラス透明基板に実施例1と同様の膜厚となるよう塗り込み、ヘアドライヤーで熱風を送り乾燥した。被膜を形成した発電モジュール(発明サンプル5)のガラス透明基板の水の接触角(25℃、40%RH)と滑落角(25℃、40%RH)およびシート抵抗(25℃、85%RH)を測定したところ、各々67.5度、49.7度、1.15×102Ω/sqであった。この発電モジュールに-1000Vの電圧を印加したところ内部のセルが全て発光し、この発光量を100%(基準値)とした。
布にマーベルコートRFH-05Xを染みこませ、実施例1と同ロットの結晶系太陽光発電モジュール(1650mm × 990mm)の外側のガラス透明基板に実施例1と同様の膜厚となるよう塗り込み、ヘアドライヤーで熱風を送り乾燥した。被膜を形成した発電モジュール(発明サンプル6)のガラス透明基板の水の接触角(25℃、40%RH)と滑落角(25℃、40%RH)およびシート抵抗(25℃、85%RH)を測定したところ、各々109.3度、10.5度、0.97×103Ω/sqであった。この発電モジュールに-1000Vの電圧を印加したところ内部のセルが全て発光し、この発光量を100%(基準値)とした。
布にマーベルコートRFH-05Xを染みこませ、実施例1と同ロットの結晶系太陽光発電モジュール(1650mm × 990mm)の外側のアルミニウム外周フレームに実施例1と同様の膜厚となるよう塗り込み、ヘアドライヤーで熱風を送り乾燥した。被膜を形成した発電モジュール(発明サンプル7)のアルミニウム外周フレームの水の接触角(25℃、40%RH)と滑落角(25℃、40%RH)およびシート抵抗(25℃、85%RH)を測定したところ、各々108.3度、11.2度、4.15×103Ω/sqであった。この発電モジュールに-1000Vの電圧を印加したところ内部のセルが全て発光し、この発光量を100%(基準値)とした。
布にマーベルコートRFH-05Xを染みこませ、実施例1と同ロットの結晶系太陽光発電モジュール(1650mm × 990mm)の外側のアルミニウム外周フレームとガラス透明基板のすき間に塗り込み、ヘアドライヤーで熱風を送り乾燥した。被膜を形成した発電モジュール(発明サンプル8)に-1000Vの電圧を印加したところ内部のセルが全て発光し、この発光量を100%(基準値)とした。
12:透明基板
13:封止材
14:セル
15:インターコネクタ
16:バックシート
101:外周フレーム
102:透明基板
103:封止材
104:発電層
105:透明電極
106:裏面電極
107:バックシート
Claims (11)
- 構造部材として少なくとも外周フレーム、透明基板、封止材およびバックシートと、機能部材として少なくとも以下の(A)または(B)の何れかを有し、
(A)セルおよびインターコネクタ、
(B)透明電極、発電層、および裏面電極、
撥水性の表面改質物質の被膜で少なくとも上記いずれかの部材の表面の一部または全てが覆われている太陽光発電モジュール。 - 前記表面改質物質の被膜のシート抵抗が、湿度が85%RHの条件下で100Ω/sq以上である請求項1の太陽光発電モジュール。
- 前記表面改質物質の被膜の水の接触角が50度より大きい請求項1の太陽光発電モジュール。
- 前記表面改質物質の被膜面の水の滑落角が0.5度以上60度以下である請求項1の太陽光発電モジュール。
- 前記表面改質物質の被膜の屈折率が透明基板部材およびセル部材の屈折率と同じあるいは小さい請求項1の太陽光発電モジュール。
- 前記表面改質物質の被膜の光線透過率が透明基板部材およびセル部材と同じかあるいは大きい請求項1の太陽光発電モジュール。
- 前記表面改質物質が、溶剤希釈型、熱硬化型または紫外線硬化型のいずれかの樹脂である請求項1の太陽光発電モジュール。
- 前記表面改質物質の被膜は外周フレーム部材、透明基板部材およびバックシート部材から選択される1つまたは2つ以上の部材の表面に形成されている請求項1の太陽光発電モジュール。
- 前記表面改質物質の被膜は部材が空気と接触している部分に形成されている請求項8の太陽光発電モジュール。
- 前記表面改質物質の被膜はセル部材表面の一部または全部に形成されている請求項1の太陽光発電モジュール。
- 前記表面改質物質の被膜は基板の内側の一部または全部に形成されている請求項1の太陽光発電モジュール。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2016544991A JPWO2016031315A1 (ja) | 2014-08-27 | 2015-05-19 | 太陽光発電モジュール |
| EP15828628.6A EP3073533A4 (en) | 2014-08-27 | 2015-05-19 | Solar photovoltaic power generation module |
| US14/911,171 US20160260856A1 (en) | 2014-08-27 | 2015-05-19 | Solar photovoltaic generation module |
| CN201580001820.5A CN105659387A (zh) | 2014-08-27 | 2015-05-19 | 太阳能发电模块 |
| KR1020167002809A KR20170045144A (ko) | 2014-08-27 | 2015-05-19 | 태양광 발전 모듈 |
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| PCT/JP2015/064329 Ceased WO2016031315A1 (ja) | 2014-08-27 | 2015-05-19 | 太陽光発電モジュール |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20160260856A1 (ja) |
| EP (1) | EP3073533A4 (ja) |
| JP (1) | JPWO2016031315A1 (ja) |
| KR (1) | KR20170045144A (ja) |
| CN (1) | CN105659387A (ja) |
| TW (1) | TW201613118A (ja) |
| WO (1) | WO2016031315A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2023143606A (ja) * | 2022-03-24 | 2023-10-06 | 積水化学工業株式会社 | 太陽光発電シートの設置構造 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449786A (zh) * | 2016-11-22 | 2017-02-22 | 浙江昱辉阳光能源江苏有限公司 | 一种抗冰冻高效太阳能光伏组件 |
| CN106601850A (zh) * | 2016-12-31 | 2017-04-26 | 江苏鹿山光电科技有限公司 | 一种抗蜗牛纹的封装膜及其制造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023143606A (ja) * | 2022-03-24 | 2023-10-06 | 積水化学工業株式会社 | 太陽光発電シートの設置構造 |
| JP7449342B2 (ja) | 2022-03-24 | 2024-03-13 | 積水化学工業株式会社 | 太陽光発電シートの設置構造 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160260856A1 (en) | 2016-09-08 |
| JPWO2016031315A1 (ja) | 2017-04-27 |
| CN105659387A (zh) | 2016-06-08 |
| KR20170045144A (ko) | 2017-04-26 |
| TW201613118A (en) | 2016-04-01 |
| EP3073533A4 (en) | 2017-07-26 |
| EP3073533A1 (en) | 2016-09-28 |
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