Lead leakage prevention packaging structure of perovskite solar cell and packaging method of lead leakage prevention packaging structure
A solar cell and packaging structure technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as lead leakage, and achieve the effects of reducing lead leakage, reducing pollution, and reducing the probability of damage
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Embodiment 1
[0033] combine figure 1 As shown, in the lead-leakage-proof packaging structure of the perovskite solar cell of this embodiment, the perovskite solar cell includes a conductive glass 1, an electron transport layer 2, a perovskite light-absorbing layer 3, and a hole transport layer stacked in sequence. 4. Metal electrode 5; the anti-lead leakage packaging structure includes a protective layer 6, a ceramic packaging layer 7, an edge sealing layer 8, and a packaging glass 9, wherein the protective layer 6 is a molybdenum oxide protective layer, which is thermally evaporated on the metal electrode 5 , which can block the high-energy impact generated by magnetron sputtering to achieve the purpose of protecting the perovskite material, thereby effectively preventing the leakage of lead in the perovskite material; the ceramic packaging layer 7 is an alumina ceramic packaging layer, which is passed through magnetron sputtering The method is sputtered on the molybdenum oxide protective...
Embodiment 2
[0045] combine figure 2 As shown, the difference between the lead leakage prevention packaging structure of the perovskite solar cell of this embodiment and the embodiment 1 is that the lead leakage prevention packaging structure of this embodiment also includes an adhesive layer 11, wherein the adhesive layer 11 is a ring Propylene oxide (PO) adhesive layer, which is located in the cavity 10 formed by the packaging glass 9, the ceramic packaging layer 7 and the edge sealing layer 8, can tightly bond the component and the packaging glass 9, and reduce the physical damage of the perovskite solar cell module. The probability of damage under impact can effectively prevent the diffusion rate of lead in the perovskite material to the environment under the condition of solar cell damage, so that the impact resistance of the perovskite component can be effectively improved, and the component can be effectively prevented. Leakage of lead into the environment.
[0046] When the perov...
Embodiment 3
[0056] combine image 3 As shown, the difference between the lead leakage prevention packaging structure of the perovskite solar cell of this embodiment and the embodiment 1 is that the lead leakage prevention packaging structure of this embodiment also includes an adhesive layer 11, wherein the adhesive layer 11 and the edge The sealing layer 8 is an integrated ultraviolet curing glue, that is, the adhesive layer 11 in the cavity 10 formed by the packaging glass 9, the ceramic packaging layer 7 and the edge sealing layer 8 is the same as the edge sealing layer 8 around the perovskite solar cell. It is made of UV-curable glue, and is integrally formed during the preparation process.
[0057] In this embodiment, the integrated edge sealing layer 8 and adhesive layer 11 are prepared by UV curing and gelling, which can reduce the damage rate of perovskite solar cell modules under physical impact and effectively prevent calcium oxide under the condition of solar cell damage. Whil...
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Abstract
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