A transparent confluence belt and photovoltaic module and preparation method thereof
A technology of photovoltaic modules and busbars, applied in photovoltaic power generation, electrical components, semiconductor devices, etc., can solve the problems of difficult welding and unsightly appearance of non-transparent metal busbars, and achieve excellent electrical conductivity and strong light transmission.
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[0024] The present invention also discloses a method for preparing the aforementioned transparent confluence belt, which includes the following steps:
[0025] Choline chloride was dried under vacuum at 60°C for 24 hours to become anhydrous choline chloride; anhydrous choline chloride was mixed with maleic acid at a molar ratio of 2:1, and then the mixture was heated and stirred at 90°C for two hour to form a colorless prepolymer A; then mix anhydrous choline chloride and acrylamide at a molar ratio of 1:2, then heat and stir the mixture at 90°C to form a colorless prepolymer 2; then mix anhydrous Choline chloride, maleic acid and acrylamide were mixed at a molar ratio of 2:1:2, and the mixture was heated and stirred at 90°C to form a colorless prepolymer C. Then 1wt% of the cross-linking agent—diethylene glycol diacrylate and 1wt% of the photoinitiator—2-hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone were mixed with the pre- Polymer A, prepolymer B, and prepolymer C were...
Embodiment 1
[0033] The first embodiment of the method for preparing a photovoltaic module of the present invention, taking the preparation of a translucent perovskite photovoltaic module as an example, includes the following steps:
[0034] Step 11. Prepare a transparent slurry for the transparent confluence belt according to the aforementioned method.
[0035] Step 12. Preparation of translucent perovskite solar cells: Use laser cutting P1 on fluorine-doped tin oxide (FTO) glass to divide the cell into 8 sub-cells, and then clean the FTO glass with acetone, isopropanol and deionized water in sequence. The FTO glass was blown dry with nitrogen gas, and a layer of titanium isopropoxide solution was scraped at room temperature to form a hole blocking layer of about 50 nm, and annealed at 500° C. for 30 minutes. TiO after cooling 2 A layer of methylamine iodine and lead chloride mixture (3:1 molar ratio) was coated on top of the layer as a perovskite layer. The solvents are dimethylsulfoxi...
Embodiment 2
[0041] The second embodiment of the method for preparing a photovoltaic module of the present invention, taking the preparation of a green perovskite photovoltaic module as an example, includes the following steps:
[0042] Step 21. Prepare a transparent slurry for the transparent confluence belt according to the aforementioned method.
[0043]Step 22. Preparation of green perovskite solar cells: Use laser cutting P1 on fluorine-doped tin oxide (FTO) glass to divide the cell into 8 sub-cells, and then clean the FTO glass with acetone, isopropanol and deionized water in sequence. Blow dry the FTO glass with nitrogen, deposit a layer of titanium isopropoxide in 2-methoxyethanol solution by coating method, dry at 125°C for 15 minutes, and then anneal at 500°C for 30 minutes. followed by a layer of TiO 2 ethanol solution, annealed at 125°C for 15 minutes, and then annealed at 500°C for 30 minutes. Subsequently, a layer of CsPbBr 3 DMSO solution. Dissolve 72.3 mg of Spiro-MeOTA...
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Abstract
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