A wear-resistant self-cleaning solar panel
A solar cell and self-cleaning technology, which is applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of superhydrophobicity, high light transmittance and mechanical stability, and achieve self-cleaning effect and low thickness , the effect of high light transmittance
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Embodiment 1
[0038] A wear-resistant self-cleaning solar cell panel, comprising a transparent base, on which several continuous microstructures are arranged, the microstructures are inverted triangular pyramids, such as figure 1 As shown, the side wall angle of the inverted triangular pyramid is α, and 30° figure 2 As shown, superhydrophobic nanomaterials form composite surfaces.
[0039] Hot pressing method: place the shaped prefabricated substrate on the microstructure mold for hot pressing precision molding, such as image 3 shown. Place the prefabricated substrate on the mold and heat the temperature to 300-1000°C (depending on the softening temperature of the prefabricated substrate); nitrogen gas is introduced to prevent the mold from being oxidized at high temperature. Through external pressure (0.3 ~ 10MPa pressure, depending on the size of the mold and the proportion of the preform) compression molding, the microstructure of the mold surface will be imprinted on the surface of th...
Embodiment 2
[0042] A wear-resistant self-cleaning solar cell panel, comprising a transparent base, on which several continuous microstructures are arranged, and the microstructures are inverted quadrangular pyramids, such as Figure 4 As shown, its scanning electron microscope image is shown in Figure 5As shown, the side wall angle of the inverted square pyramid is α, and 30° figure 2 As shown, the superhydrophobic nanomaterials form a composite surface, after filling, as Figure 6 shown.
[0043] Cold pressing method: place the shaped prefabricated substrate on the microstructure mold for hot pressing precision molding, such as image 3 shown. Place the prefabricated substrate on the mold, and directly compress and form it by external pressure (1-200MPa pressure, depending on the size of the mold and the proportional preform), and the microstructure on the surface of the mold will be imprinted on the surface of the prefabricated substrate. Finally, the mold is released after releasin...
Embodiment 3
[0047] A wear-resistant self-cleaning solar cell panel, comprising a transparent substrate, on which several continuous microstructures are arranged, the microstructures are inverted hexagonal pyramids, such as Figure 7 As shown, the sidewall angle of the inverted hexagonal pyramid is α, and 30° figure 2 As shown, superhydrophobic nanomaterials form composite surfaces.
[0048] Roller embossing method: The principle of the method is the same as that of hot / cold press forming technology, the difference is that the mold is made on the surface of the roller, such as Figure 8 shown. This method is suitable for large-area preparation of transparent panels with microstructures.
[0049] Indirect filling method: spin coating method, when filling, use a spin coater to drop 0.1 to 10 mL of a suspension containing nanomaterials onto the surface of the microstructure substrate at a speed of 1000 to 8000 rpm for 10 to 60 seconds. After drying at room temperature for 10 minutes, a supe...
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