Photovoltaic assembly, working method and preparation method thereof, and reflective adhesive film for gaps
A technology of photovoltaic modules and reflective stickers, which is applied in the direction of photovoltaic power generation, electrical components, semiconductor devices, etc., can solve the problems of low efficiency of components and low utilization of light, and achieve the effect of improving the utilization of light energy
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Embodiment 1
[0025] figure 1 It is a structural schematic diagram of the photovoltaic module of the present invention.
[0026] Such as figure 1 As shown, the present embodiment 1 provides a photovoltaic module, including: a back plate 1, a glass plate 4 covered on the back plate and a number of battery sheets 3 between them, and covering the gaps between the battery sheets 3 Reflective film5.
[0027] Optionally, the gaps of the battery slices 3 include but not limited to the slice gaps and the string gaps of the battery slices.
[0028] Optionally, the reflective film 5 has a width of 4-7 mm. Of course, it can also be adjusted according to the spacing of the cells. Generally, the width of the reflective film is slightly larger than the gap width of the cells.
[0029] Compared with traditional photovoltaic modules (such as Figure 5 As shown), the difference of this photovoltaic module is that during preparation, a number of reflective films are firstly covered on the back plate at ...
Embodiment 2
[0052] See figure 2 On the basis of Example 1, this Example 2 provides a reflective film 5 for gaps, including: an adhesive layer 51 , a substrate layer 52 , a prism layer 53 , and a reflective layer 54 that are sequentially stacked from bottom to top.
[0053] Optionally, the reflective film for gaps is strip-shaped, with a width of 4-7 mm and a thickness of 70 μm-90 μm. Adaptive adjustment can also be made according to the spacing of the cells. Generally, the width of the reflective film is slightly larger than the gap width of the cells.
[0054] Since the adhesive layer and the welding strip also have good cohesiveness, it can be automatically attached to the welding strip. Therefore, the reflective film for the gap can also be used to stick on the welding strip on the surface of the battery sheet, and the welding strip can be attached At least 75% of light incident on the tape surface is reflected onto the cell. Compared with the photovoltaic module without reflective ...
Embodiment 3
[0057] On the basis of embodiment 1, this embodiment 3 provides a working method of the above-mentioned photovoltaic module, and the reflective film is suitable for reflecting the light energy in the gap between the cells to the cells.
[0058] For the specific structure and implementation process of the photovoltaic module, please refer to the relevant discussion of Embodiment 1, and details will not be repeated here.
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